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Data & Research14. Mai 202627 min read

The European AI Index 2026: Europe's Largest Private AI Companies

Europe's top 15 private AI companies, their combined valuation, and the gap with the US giants. Triple-sourced from primary funding announcements and downloadable under CC BY 4.0.

By BuiltInEu Research Team
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The European AI Index 2026: Europe's Largest Private AI Companies

Quick answer: Europe's 15 largest private AI companies are worth a combined $73.2 billion as of May 2026. Helsing (Munich, defence AI) leads at $14.1 billion, followed by Mistral AI (Paris, foundation models) at $13.7 billion. London now hosts five of the top 15 companies, anchored by Wayve, the newly disclosed Ineffable Intelligence and Recursive Superintelligence, Synthesia, and Quantexa. The entire European top 15 equals 8.6 percent of OpenAI alone and 4.3 percent of the US top 10.

Every valuation in this index is triple-sourced from primary funding announcements, tier-one financial press, and (for the new UK frontier labs) the UK Companies House register. Companies operating in Europe but legally incorporated in the United States are excluded from the main ranking under a strict legal-headquarters rule and covered in a dedicated section. The full dataset is downloadable as CSV and JSON under CC BY 4.0.

For the sortable, filterable version, see the companion page: The European AI Index 2026.

Europe's 15 largest private AI companies ranked by valuation as of May 2026. Helsing leads at $14.1B, followed by Mistral AI at $13.7B and Wayve at $8.6B. Combined valuation $73.2B across 6 countries and 8 categories. OpenAI alone is 11.6x the entire European top 15. Source: BuiltInEu European AI Index 2026.

Key Takeaways

Headline numbers

  • $73.2 billion combined valuation of Europe's top 15 private AI companies
  • $852 billion OpenAI's standalone valuation (Multiples.vc, 30 April 2026)
  • 8.6 percent Europe's top 15 as a share of OpenAI alone
  • 11.6 times OpenAI's valuation as a multiple of Europe's entire top-15 combined

Country leaders

  • United Kingdom: $24.3 billion combined across 5 companies (Wayve, Ineffable Intelligence, Recursive Superintelligence, Synthesia, Quantexa)
  • Germany: $22.6 billion combined across 4 companies (Helsing, Quantum Systems, Parloa, DeepL)
  • France: $19.7 billion combined across 3 companies (Mistral AI, AMI Labs, Harmattan AI)

Category split

  • Foundation models and superintelligence labs: $27.3 billion across 4 companies (the single largest sub-sector)
  • Defence AI: $21.9 billion across 4 companies (Helsing, Quantum Systems, ICEYE, Harmattan AI)
  • Autonomous driving: $8.6 billion (Wayve)
  • Agentic AI and enterprise automation: $5.0 billion (Parloa, Wonderful)

Capital concentration

  • Top 3 (Helsing, Mistral, Wayve) account for 49.8 percent of European AI valuation
  • Top 5 account for 62.9 percent
  • The Multiples.vc fourth-ranked US private AI company (Cursor / Anysphere, $50 billion) is worth 68 percent of the entire European top 15 combined

Vintage and momentum

  • 2017 is the most common founding year among the top 15 (Wayve, Synthesia, DeepL)
  • Four of the top 15 were founded in 2024 or 2025: AMI Labs, Ineffable Intelligence, Recursive Superintelligence, Harmattan AI. All four broke into the index inside their first eighteen months of operation.
  • Defence AI accounts for 4 of 15 companies in the index; in early 2024 the same category accounted for 2.

Table of contents

  1. The top 15
  2. The gap with the US
  3. Country breakdown
  4. Category breakdown
  5. Operationally European, legally American
  6. Why Europe loses its winners
  7. Valuation timeline
  8. Just outside the top 15
  9. Fallen and acquired unicorns
  10. Methodology
  11. How to cite this data
  12. Sources
  13. Download raw data

The top 15

Europe's 15 largest private AI companies by post-money valuation, as of 2026-05-14. Ranked by latest disclosed primary round in US dollars.

RankCompanyHQFoundedValuationLast roundCategory
1HelsingMunich, DE2021$14.1BSeries D €600M, Jun 2025 [1]Defence AI
2Mistral AIParis, FR2023$13.7BSeries C €1.7B (ASML-led), Sep 2025 [2]Foundation models
3WayveLondon, GB2017$8.6BSeries D $1.2B, Feb 2026 [3]Autonomous driving
4Ineffable IntelligenceLondon, GB2025$5.1BSeed $1.1B, Apr 2026 [4]Foundation models / superintelligence
5AMI LabsParis, FR2025$4.5BSeed $1.03B, Mar 2026 [5]World models
6Recursive SuperintelligenceLondon, GB2025$4.0BPre-Series A $500M, May 2026 [6]Foundation models / superintelligence
7SynthesiaLondon, GB2017$4.0BSeries E $200M, Jan 2026 [7]Video / generative AI
8Quantum SystemsGilching, DE2015$3.5BSeries C ext. €180M, Nov 2025 [8]Defence AI
9ParloaBerlin, DE2018$3.0BSeries D $350M, Jan 2026 [9]Agentic AI
10ICEYEEspoo, FI2014$2.8BSeries E €150M, Dec 2025 [10]Defence / EO + AI analytics
11QuantexaLondon, GB2016$2.6BSeries F $175M, Mar 2025 [11]Decision intelligence
12DeepLCologne, DE2017$2.0BSeries C $300M, May 2024 [12]Translation / NLP
13WonderfulAmsterdam, NL2025$2.0BSeries B €130M, Mar 2026 [13]Enterprise AI agents
14Multiverse ComputingSan Sebastián, ES2019$1.76BSeries C (reported), Feb 2026 [14]LLM compression
15Harmattan AIParis, FR2024$1.5BSeries B $200M (Dassault-led), Jan 2026 [15]Defence drone AI

Combined valuation: $73.16 billion. Full citations and primary source URLs in the Sources section. Three data-freshness flags apply: DeepL (May 2024), Multiverse Computing (Series C in progress per Bloomberg, not yet closed), and Helsing's confirmed $14.1B is used as headline even though a reported $18B Series E is in advanced talks per the Financial Times.

Europe's 15 largest private AI companies by valuation (USD millions)

What the ranking shows

Three structural observations stand out.

Foundation models and superintelligence labs are now the largest sub-sector. Mistral AI, Ineffable Intelligence, AMI Labs, and Recursive Superintelligence together account for $27.3 billion, or 37 percent of the European AI index. Two of these companies (Mistral, AMI Labs) are in Paris. The other two (Ineffable Intelligence, Recursive Superintelligence) are in London and were both publicly disclosed inside the past six weeks. Together they represent more than $9 billion of valuation that did not appear in any European AI ranking as recently as March 2026.

Phone screen displaying the Mistral AI logo against the company's website featuring its pixel-art mouse mascot. Paris-based Mistral AI is the second-largest private AI company in Europe at $13.7 billion, behind Helsing.

London has emerged as Europe's frontier-AI cluster. Five of the top 15 are headquartered in London (Wayve, Ineffable Intelligence, Recursive Superintelligence, Synthesia, Quantexa) and account for $24.3 billion combined. The pattern is recent: two of those five were registered at UK Companies House within the past seven months. Both Ineffable Intelligence (David Silver, ex-DeepMind) and Recursive Superintelligence (Tim Rocktäschel, UCL and ex-DeepMind) are spinouts from the same UCL and Google DeepMind ecosystem. The Recursive Superintelligence founders specifically cited the United Kingdom's regulatory framework outside the EU AI Act as a deliberate reason for choosing UK incorporation [6].

Defence AI remains the second pillar. Helsing, Quantum Systems, ICEYE, and Harmattan AI combine to $21.9 billion across four companies. Eighteen months ago this category had two entrants. The 2022 to 2026 acceleration in defence-tech capital, driven by the war in Ukraine and by EU and NATO procurement reforms, has rebalanced what European private AI looks like in valuation terms.

Phone screen displaying the Helsing logo against a backdrop of military drones and the company's "Protecting our democracies" tagline. The Munich-based defence AI company is the largest private AI company in Europe, valued at $14.1 billion as of June 2025.

The gap with the US

The Multiples.vc ranking of the world's largest private AI companies, data as of 30 April 2026, places the US top 10 at a combined $1.715 trillion [16]. OpenAI alone stands at $852 billion. Anthropic at $380 billion. xAI at $250 billion. The fourth-ranked US private AI company, Cursor (Anysphere), is at $50 billion.

The gap, to scale: Europe's top 15 private AI companies are worth $73.2B combined versus OpenAI alone at $852B. Europe's top 15 equals 8.6 percent of OpenAI alone, 4.3 percent of the US top 10, and 68 percent of Cursor.

European AI top 15 vs US top 10 vs OpenAI alone (USD millions)

ComparisonValuationMultiple of European top 15
European top 15 (combined)$73.16B1.00x
Helsing (European #1)$14.1B0.19x
Cursor / Anysphere (US #4)$50.0B0.68x
xAI (US #3)$250.0B3.42x
Anthropic (US #2)$380.0B5.19x
OpenAI (US #1)$852.0B11.65x
US top 10 combined$1,715.0B23.44x

The arithmetic: combining every company in this index does not match Cursor (Anysphere), the fourth-largest US private AI company. The combined top 15 European AI sector is worth 8.6 percent of OpenAI on its own, and 4.3 percent of the US top 10. Anthropic alone, at $380 billion, is worth 5.2 times the entire European top 15.

These ratios are not a judgment on company quality. Helsing, Mistral, Wayve, Ineffable Intelligence, AMI Labs, and Recursive Superintelligence are exceptional companies on any continent. The ratios reflect where growth-stage capital is currently being deployed, and where Europe's growth-stage capital is not.

Country breakdown

European AI valuation by country (USD millions)

CountryCompaniesCombined valuation
United Kingdom5$24.3B
Germany4$22.6B
France3$19.7B
Finland1$2.8B
Netherlands1$2.0B
Spain1$1.76B

The United Kingdom leads in absolute valuation for the first time in any tracked European AI ranking. The lead is fresh: in the March 2026 snapshot, before Ineffable Intelligence and Recursive Superintelligence were publicly disclosed, the UK total was approximately $15.2 billion and Germany led. The April and May 2026 London frontier-AI rounds add $9.1 billion in a six-week window.

Germany's $22.6 billion is anchored by Helsing's $14.1 billion. Strip Helsing out and the German total drops to $8.5 billion, behind France ex-Mistral ($6.0 billion). France's total is concentrated in two Paris foundation-model labs (Mistral, AMI Labs) plus Harmattan AI. Finland enters via ICEYE alone, which has been a quiet $2-billion-class company since late 2025 with operational drone-intelligence contracts across NATO. Spain enters via Multiverse Computing's LLM compression thesis. The Netherlands enters via Wonderful, Europe's newest enterprise-AI unicorn.

Notable absences from the top 15: Switzerland, Sweden, Denmark, Norway, Poland, Italy, Ireland, Portugal. Each hosts venture-backed AI companies, but none above the $1.5 billion threshold of the fifteenth-ranked company. The Nordic AI scene's largest valuations are absent for structural reasons covered in Operationally European, legally American (Lovable's Stockholm operations but Delaware incorporation) and Fallen and acquired unicorns (Sana acquired by Workday, Silo AI acquired by AMD).

Category breakdown

European AI valuation by category (USD millions)

CategoryCompaniesCombined valuation
Foundation models / superintelligence4$27.30B
Defence AI4$21.90B
Autonomous driving1$8.60B
Agentic AI / enterprise automation2$5.00B
Video / generative AI1$4.00B
Decision intelligence1$2.60B
Translation / NLP1$2.00B
LLM compression1$1.76B

The European AI index is not following the US pattern, but it is closer to it than it was three months ago. In the Multiples.vc US top 10, three of ten companies (OpenAI, Anthropic, xAI) are foundation-model laboratories worth a combined $1.482 trillion. In Europe, the equivalent slot is now four companies worth a combined $27.3 billion: still a fifty-fold gap, but a different story than the one the previous snapshot told.

Beyond foundation models, Europe has built a defence-AI cluster ($21.9 billion across four companies), a focused autonomous-driving thesis (Wayve), and a series of vertical and enterprise-AI businesses with no exact American analogue at the private-company level. Parloa and Wonderful, both agentic-AI platforms targeting enterprise customers, sum to a $5 billion sub-sector that does not have a publicly tracked US private equivalent at the same focus.

Operationally European, legally American

Five widely cited "European AI companies" are excluded from the main index because their legal headquarters is in the United States, most commonly as a Delaware C-corporation. Two of them are top-three-class by valuation and would distort comparisons if included.

CompanyOperational HQLegal HQValuationLast round
PoolsideParis, FRPoolside, Inc. (US)$12.0BSeries C ~$2B (Nvidia-led), Oct 2025 [17]
LovableStockholm, SELovable Labs, Inc. (Delaware)$6.6BSeries B $330M, Dec 2025 [18]
Hugging FaceParis / New YorkHugging Face, Inc. (Delaware)$4.5BSeries D $235M, Aug 2023 [19]
Black Forest LabsFreiburg, DEBlack Forest Labs Inc. (Delaware)$3.25BSeries B $300M, Dec 2025 [20]
ElevenLabsLondon / New YorkElevenLabs Inc. (US)$3.3BSeries C $180M, Jan 2025 [21]

These five represent $29.65 billion of AI valuation built primarily in Europe but assigned to US legal entities. The pattern is consistent: European founders, European-heavy engineering teams, European customers in many cases, but a Delaware C-corporation as the legal entity that holds the equity and the intellectual property.

The reasons are not mysterious. Y Combinator and most growth-stage US venture funds require their portfolio companies to be Delaware C-corps. Several of these companies took US-led growth rounds and redomiciled. Lovable disclosed the Delaware structure in interviews; Sovereign Magazine published a dedicated editorial on the topic in early 2026 [22]. Hugging Face has been a Delaware entity since founding despite its French co-founders and Paris office.

Two consequences follow. First, the headline "European AI" valuation depends heavily on what counting rule is applied. Adding the operationally European cohort to the top 15 produces a combined $102.81 billion, raising the European share of OpenAI to 12.1 percent. Removing them produces the $73.2 billion figure used as the headline of this index. Second, equity in these companies is held under US law, taxed under US rules, and subject to US export controls. From an industrial-policy standpoint they are American companies with European labour costs.

The European Commission has not commented publicly on this trend. The UK's AI Opportunities Action Plan and France's France 2030 funding rounds explicitly favour locally incorporated entities.

Why Europe loses its winners

The pattern in the previous section is not unique to AI. In September 2024 the European Commission published The Future of European Competitiveness, a report authored by Mario Draghi, former president of the European Central Bank and former prime minister of Italy, at the request of Commission president Ursula von der Leyen. The report quantifies the phenomenon precisely [23]:

Between 2008 and 2021, 147 unicorns were founded in Europe — startups that went on to be valued over USD 1 billion. 40 of these have relocated their headquarters abroad, with the vast majority moving to the US.

Close to thirty percent of European unicorns relocate. The Draghi report names the mechanism in the same chapter:

Many EU companies with high growth-potential prefer to seek financing from US VCs and to scale up in the US market where they can more easily generate wide market reach and achieve profitability faster.

The structural arithmetic supports the choice. The share of global venture capital raised in the European Union is 5 percent, against 52 percent in the United States and 40 percent in China [23]. For AI specifically the gap is wider: 61 percent of global AI start-up funding goes to US companies, 17 percent to China, 6 percent to the EU. Atomico's State of European Tech 2025 puts the same problem in dollar terms: $177 billion flowed into US tech in the first nine months of 2025, against $44 billion of European startup funding for the full year. US deep tech companies raise $100 million-plus rounds five times more often than European peers.

The legal mechanism behind the relocation is the "Delaware flip", a documented procedure in which a non-US company becomes a wholly owned subsidiary of a newly formed US parent, typically a Delaware C-corporation. Index Ventures, Cooley, Orrick, and Morrison Foerster all publish public playbooks for non-US founders who want to do this. The trigger is almost always the same: a US-led growth round whose investors require a US-domiciled parent.

The Draghi report's deeper observation is that the consequences compound. Europe produces inventors and seed-stage companies. It loses them at growth stage to a deeper US capital market. The result, the report states, is that no European company with a market capitalisation above EUR 100 billion has been founded from scratch in the past fifty years, while all six US companies above USD 1 trillion were founded in that period.

The five companies in the previous section, totalling $29.65 billion of AI valuation, are this pattern in 2026. The acquired companies (Aleph Alpha into Cohere, Silo AI into AMD, Sana into Workday, Faculty AI into Accenture) are the same pattern at the exit stage.

One counter-example in this index is worth noting. Ineffable Intelligence and Recursive Superintelligence, Europe's two largest 2026 AI rounds outside Mistral, are both UK-registered companies in good standing at Companies House. Both took US-led rounds (Sequoia, Lightspeed, Google, GV, Nvidia). Neither flipped. The Recursive Superintelligence founders specifically cited UK incorporation as a deliberate regulatory choice [6]. The pattern is not inevitable.

Valuation timeline

European top 15 cumulative vs OpenAI valuation (USD millions, 2020-2026)

Plotting cumulative European top-15 valuation against OpenAI's single-company trajectory from 2020 forward shows the divergence on its own axis. Both lines climb. OpenAI climbs faster in absolute terms.

In 2020, OpenAI was valued at approximately $14 billion. The future European top 15 (as it would later look) totalled approximately $1.2 billion. The ratio was 11.7 times. By 2026 the ratio is 11.6 times. Both totals grew roughly 61-fold over the period, which means the proportional gap is essentially unchanged across the entire modern AI investment cycle. In absolute terms it has widened from $12.8 billion to $778.8 billion.

Just outside the top 15

Three companies are commonly cited as European AI unicorns but fall just below the $1.5 billion cut-off used in this snapshot:

  • Tekever (Lisbon, Portugal), $1.33 billion. Defence drone AI-as-a-service. Last priced round was €70 million late-stage growth in May 2025 [24].
  • Owkin (Paris, France), $1.0 billion. Healthcare AI, Sanofi anchor partner since 2021. Last priced round was a $175 million strategic investment in September 2024 [25].
  • Tractable (London, United Kingdom), $1.0 billion. Computer vision for insurance claims. Last priced round was a $65 million SoftBank Vision Fund 2 Series E in 2023 [26].

All three are real European AI unicorns under any reasonable definition. They are listed here for context and to make explicit which companies the index excludes and why.

Fallen and acquired unicorns

Several companies that would have appeared in earlier versions of this index no longer qualify as independent European private AI companies.

Aleph Alpha (Heidelberg, Germany). Founded in 2019 and once positioned as Germany's sovereign-LLM champion, Aleph Alpha pivoted away from frontier foundation-model development in 2024 in favour of regulated-enterprise deployments. The company was acquired by Cohere (Toronto, Canada) in 2025 in a transaction reportedly valuing the combined entity at approximately $20 billion [27]. Founder Jonas Andrulis departed. Aleph Alpha is no longer an independent European AI company.

Builder.ai (London). Reached a $1.5 billion post-money valuation in May 2023 on a thesis of "AI builds your software for you." Subsequent reporting documented heavy reliance on offshore human developers rather than AI capabilities, and accounting irregularities at scale [28]. The company filed for insolvency on 2025-05-20 after creditor Viola Credit seized $37 million from its accounts. CEO Sachin Dev Duggal departed amid fraud allegations and a parallel money-laundering inquiry in India. Approximately $450 million of investor capital was lost.

Stability AI (London). Pioneered open-weight image generation with Stable Diffusion. Reached a $1 billion valuation in October 2022 and was for a time the highest-profile European generative-AI company. Founder Emad Mostaque resigned in March 2024. Prem Akkaraju was installed as CEO in June 2024 with James Cameron joining the board [29]. The company continues operating into 2026 in a restructured form but has not priced a primary round since, and is not at a verifiable valuation that would qualify for the index.

Silo AI (Helsinki). Would have ranked in the European top 10 prior to its $665 million acquisition by AMD in mid-2024 [30]. Now a US-public-parent subsidiary, Silo AI is excluded from the private-company ranking by methodology, but its acquisition itself is a data point about how European AI capacity flows under foreign acquisition.

Sana (Stockholm). Acquired by Workday for $1.1 billion in September 2025 [31]. Removed from the European private-AI universe by the acquisition.

Faculty AI (London). Acquired by Accenture for approximately $1 billion in January 2026 [32]. Removed from the European private-AI universe by the acquisition.

The pattern across the past 24 months is consistent. The companies that exit the European private-AI universe most cleanly are the ones that succeed: through acquisition by a US public parent (Silo, Sana, Faculty) or through Delaware redomicile in pursuit of growth-stage capital. The companies that remain in the European cohort are typically those that have not yet had a successful US-led exit event.

Did we miss a company?

This dataset is deliberately narrow: legal HQ in EU, EEA, UK, or Switzerland; private; AI as the primary product; most recent disclosed post-money valuation at or above $1.5 billion. If you know of a European AI unicorn that fits and we missed it, write to info@builtineu.eu. We update this quarterly and credit verified tip-offs in the next release.

Methodology

What "European" means in this index. The geographic scope covers the European technology ecosystem, not the political boundaries of the European Union. The legal-headquarters rule accepts four jurisdictions:

  • European Union (27 member states): the political and regulatory bloc.
  • European Economic Area beyond the EU (Norway, Iceland, Liechtenstein): non-EU but inside the EU Single Market for goods, services, capital, and labour.
  • United Kingdom: left the EU in January 2020 but remains the largest European venture-funding market and hosts more European AI unicorns than any other single country. Excluding the UK would remove Wayve, Ineffable Intelligence, Recursive Superintelligence, Synthesia, Quantexa, and Tractable from the picture: more than $24 billion of valuation and five of the top fifteen entries. Any "European AI" index that drops these companies stops being useful as a benchmark.
  • Switzerland: not an EU member but home to ETH Zürich, EPFL, and a venture ecosystem closely integrated with German and French capital flows. Included for completeness, although no Swiss company makes the current top 15.

Other European tech-ranking publications (Sifted, Atomico's State of European Tech, EU-Startups, TechEU, the European Commission's Draghi report) all use the same wider grouping. Restricting strictly to EU member states would produce a smaller, less useful dataset and would diverge from how the European tech ecosystem is conventionally measured.

Inclusion rule. A company is included if it satisfies all four conditions on 2026-05-14: (1) legal headquarters in the European Union, European Economic Area, United Kingdom, or Switzerland; (2) no public listing on any stock exchange; (3) AI is the primary product, not a secondary feature of a non-AI business; (4) most recent disclosed post-money valuation is at or above $1.5 billion.

Ranking metric. Latest disclosed post-money equity valuation in US dollars, converted from EUR at the European Central Bank reference rate for 2026-05-12 (1 EUR = 1.1738 USD). Where a company has secondary-market or tender-offer valuations that differ from the most recent primary round, the primary round number is used and the discrepancy is noted.

HQ rule. Strict legal headquarters. Founder nationality is not used. For the two new UK frontier labs in this snapshot (Ineffable Intelligence and Recursive Superintelligence), legal status was verified directly against the UK Companies House register. This rule excludes:

  • Hugging Face (Delaware C-corp, Paris and New York offices, French co-founders)
  • ElevenLabs (US legal entity, London and New York offices, Polish co-founders)
  • Lovable (Lovable Labs Inc., Delaware C-corp, Stockholm operations)
  • Black Forest Labs (Black Forest Labs Inc., Delaware C-corp, Freiburg operations)
  • Poolside (Poolside, Inc., US legal entity, Paris operations)
  • Cohere (Toronto, Canada; non-European)
  • Dataiku (Paris-founded, New York HQ since 2015)
  • Legora (Stockholm-founded, New York HQ; $5.55B legal-AI unicorn since March 2026)
  • Google DeepMind (subsidiary of Alphabet, public US parent)
  • Isomorphic Labs (functionally an Alphabet portfolio company)
  • Silo AI (acquired by AMD in 2024, now a US-public-parent subsidiary)
  • Scaleway (subsidiary of Iliad SA, public parent)
  • Aleph Alpha (acquired by Cohere in 2025, no longer independent)

The five companies in the first bracket are covered in Operationally European, legally American.

Source rule. Each valuation in the ranking is triple-sourced. Tier 1 sources (Reuters, Financial Times, Bloomberg, CNBC, the company's own funding announcement, Companies House) are preferred. Tier 2 sources (TechCrunch, Sifted, EU-Startups, The Information, UCL News) are used as second or third confirmation. Aggregator-of-aggregators sources are not counted as primary. Where sources disagree by more than 10 percent the most recent Tier-1 figure is used and the discrepancy is noted in the per-company notes in the downloadable CSV.

Exclusion: Roark Aerospace. Roark Aerospace, a Cambridge-based counter-drone defence company, has been reported by Crunchbase, Tracxn, PitchBook, and a Boxing Day 2025 press release to have raised a $210 million Series B at a $1.6 billion post-money valuation. No tier-one financial outlet (Reuters, Financial Times, Bloomberg, Wall Street Journal, CNBC) has independently confirmed the round, and an investigative publication (Resilience Media) published an article in early 2026 titled "Inside the case of Roark Aerospace: The British defence unicorn no one can verify" describing unresolved diligence concerns. The company is therefore excluded from this index pending tier-one independent confirmation of the round.

Data freshness. All valuations reflect funding rounds disclosed on or before 2026-05-14. Companies that announced rounds after this date are deferred to the next quarterly update. Three valuations in the index carry data-freshness flags: DeepL's $2.0 billion is from a May 2024 round and there has been no priced round since (DeepL was reported to be weighing a $5 billion US IPO in October 2025 [12]); Multiverse Computing's $1.76 billion uses a Bloomberg-reported Series C in progress from February 2026 that had not closed as of 2026-05-14; Helsing's headline figure is the confirmed $14.1 billion Series D from June 2025, although a reported $18 billion Series E was in advanced talks per the Financial Times as of 2026-05-09.

Limitations. Private-company valuations reflect a single transaction at a single moment with a selected investor set, not a market-clearing price. Secondary-market activity around Mistral AI and Helsing in late 2025 suggests some headline numbers may be conservative; tender-offer activity around Lovable suggests the opposite. Use this index as a benchmark, not a price.

How to cite this data

Quick citation:

BuiltInEu Research Team (2026). The European AI Index 2026. Retrieved from https://builtineu.eu/blog/european-ai-companies-2026

APA 7th edition:

BuiltInEu Research Team. (2026, May 14). The European AI Index 2026: Europe's largest private AI companies. BuiltInEu. https://builtineu.eu/blog/european-ai-companies-2026

News and blog citation:

According to BuiltInEu's European AI Index 2026, Europe's 15 largest private AI companies are worth a combined $73.2 billion, equal to 8.6 percent of OpenAI's standalone valuation (source).

License: Creative Commons Attribution 4.0 International (CC BY 4.0). Free to share and adapt with attribution.

Sources

  1. Helsing newsroom, Series D €600M announcement, June 2025. https://helsing.ai/newsroom/helsing-raises-eur600m-to-invest-in-european-technological-sovereignty. Bloomberg coverage of in-progress Series E, May 2026: https://www.bloomberg.com/news/articles/2026-05-09/german-drone-startup-may-see-18b-valuation-in-fundraising-ft. TechCrunch confirmation: https://techcrunch.com/2026/05/11/daniel-ek-backed-defense-tech-helsing-to-raise-1-2b-at-18b-valuation/
  2. Mistral AI press, Series C €1.7B with ASML, September 2025. https://mistral.ai/news/mistral-ai-raises-1-7-b-to-accelerate-technological-progress-with-ai. CNBC coverage: https://www.cnbc.com/2025/09/09/ai-firm-mistral-valued-at-14-billion-as-asml-takes-major-stake.html. ASML press release: https://www.asml.com/en/news/press-releases/2025/asml-mistral-ai-enter-strategic-partnership
  3. Wayve press, Series D $1.2B, February 2026. https://wayve.ai/press/series-d/. CNBC coverage: https://www.cnbc.com/2026/02/24/wayve-fundraise-nvidia-microsoft.html. UKTN coverage: https://www.uktech.news/ai/wayve-valuation-massive-series-d-investment-20260225
  4. Ineffable Intelligence seed $1.1B, April 2026. Bloomberg: https://www.bloomberg.com/news/articles/2026-04-27/sequoia-and-nvidia-back-ex-deepmind-researcher-at-5-1-billion-value. CNBC: https://www.cnbc.com/2026/04/27/deepmind-ineffable-intelligence-record-seed-funding-nvidia-google.html. UK Companies House registration #16865241: https://find-and-update.company-information.service.gov.uk/company/16865241
  5. AMI Labs seed $1.03B, March 2026. TechCrunch: https://techcrunch.com/2026/03/09/yann-lecuns-ami-labs-raises-1-03-billion-to-build-world-models/. Crunchbase News: https://news.crunchbase.com/venture/world-model-ai-lab-ami-raises-europes-largest-seed-round/. Tech.eu: https://tech.eu/2026/03/10/yann-lecun-s-paris-based-ai-world-model-startup-raises-more-than-1bn/
  6. Recursive Superintelligence pre-Series A $500M, May 2026. Sifted: https://sifted.eu/articles/recursive-superintelligence-500m. UCL News: https://www.ucl.ac.uk/news/2026/apr/ucl-researchers-lead-two-europes-largest-ever-ai-funding-rounds. Implicator.ai on the $4B valuation: https://www.implicator.ai/recursive-superintelligence-raises-500m-from-gv-and-nvidia-at-4b-valuation/
  7. Synthesia press, Series E $200M, January 2026. https://www.synthesia.io/post/series-e-200-million-4-billion-valuation-future-work. TechCrunch: https://techcrunch.com/2026/01/26/synthesia-hits-4b-valuation-lets-employees-cash-in/. CNBC: https://www.cnbc.com/2026/01/26/nvidia-alphabet-vc-arms-back-synthesia.html
  8. Quantum Systems Series C extension €180M, November 2025. Bloomberg: https://www.bloomberg.com/news/articles/2025-11-27/defense-startup-quantum-systems-triples-valuation-to-3-billion. EU-Startups: https://www.eu-startups.com/2025/11/quantum-systems-passes-e3-billion-valuation-with-e180-million-injection-backing-its-nato-deployed-platforms/. TechStartups: https://techstartups.com/2025/11/27/german-drone-startup-quantum-systems-triples-valuation-to-3-5b-after-180m-funding-round/
  9. Parloa Series D $350M, January 2026. TechCrunch: https://techcrunch.com/2026/01/15/parloa-triples-its-valuation-in-8-months-to-3b-with-350m-raise/. Parloa press: https://www.parloa.com/parloa-in-the-press/parloa-valued-at-3-billion-with-350m-series-d/. Tech.eu: https://tech.eu/2026/01/15/parloa-raises-350m-tripling-valuation-to-3bn/
  10. ICEYE Series E €150M, December 2025. Bloomberg: https://www.bloomberg.com/news/articles/2025-12-05/general-catalyst-bakcs-sattelite-startup-iceye-at-2-8-billion-valuation. Via Satellite: https://www.satellitetoday.com/finance/2025/12/08/iceyes-latest-raise-values-company-at-2-8-billion/. Insurance Journal: https://www.insurancejournal.com/news/international/2025/12/08/850176.htm
  11. Quantexa Series F $175M, March 2025. TechCrunch: https://techcrunch.com/2025/03/04/quantexa-nabs-175m-at-a-2-6b-valuation-to-double-down-on-data-analytics-for-ai/. UKTN: https://www.uktech.news/ai/quantexa-valuation-jumps-to-2-6bn-after-fresh-funding-round-20250305. Tech.eu: https://tech.eu/2026/01/08/ai-unicorn-quantexa-reports-revenue-boost-as-losses-halve/
  12. DeepL Series C $300M, May 2024. DeepL press: https://www.deepl.com/en/press-release/deepl-announces-300-million-investment-at-2-billion-valuation-fueled-by-global-demand-for-ai-language-solutions. TechCrunch: https://techcrunch.com/2024/05/22/deepl-the-ai-language-translation-startup-nabs-300m-on-a-2b-valuation-to-focus-on-b2b-growth/. SiliconANGLE on the reported $5B IPO: https://siliconangle.com/2025/10/02/ai-translation-startup-deepl-reportedly-weighing-5b-ipo/
  13. Wonderful Series B €130M, March 2026. EU-Startups: https://www.eu-startups.com/2026/03/amsterdam-based-enterprise-ai-agent-platform-wonderful-raises-e129-8-million-series-b-at-e1-7-billion-valuation/. Insight Partners: https://www.insightpartners.com/ideas/wonderful-raises-150m-series-b-to-accelerate-enterprise-ai-adoption-in-30-markets/. Silicon Canals on the prior round: https://siliconcanals.com/wonderful-raises-100m/
  14. Multiverse Computing Series C reported, February 2026. Bloomberg: https://www.bloomberg.com/news/articles/2026-02-10/ai-firm-multiverse-said-to-hit-1-5-billion-value-with-new-funds. Sifted on confirmed Series B: https://sifted.eu/articles/multiverse-computing-raises-215m-increases-valuation-5x. TechCrunch: https://techcrunch.com/2025/06/12/multiverse-computing-raises-215m-for-tech-that-could-radically-slim-ai-costs/
  15. Harmattan AI Series B $200M (Dassault-led), January 2026. Bloomberg: https://www.bloomberg.com/news/articles/2026-01-12/dassault-invests-in-french-dronemaker-at-1-4-billion-valuation. TechCrunch: https://techcrunch.com/2026/01/12/harmattan-ai-raises-200m-series-b-led-by-dassault-aviation-becomes-defense-unicorn/. Defense News: https://www.defensenews.com/global/europe/2026/01/12/dassault-aviation-invests-in-harmattan-ai-at-14-billion-value/
  16. Multiples.vc, World's Largest Private AI Companies, data as of 30 April 2026.
  17. Poolside Series C ~$2B (Nvidia-led), October 2025. TechFundingNews: https://techfundingnews.com/nvidia-prepares-up-to-1b-investment-as-poolsides-valuation-jumps-to-12b/. Fortune: https://fortune.com/2024/09/12/ai-startup-poolside-3-billion-valuation-bain-capital-ventures/. Wikipedia entry confirming Paris HQ status: https://en.wikipedia.org/wiki/Poolside_AI
  18. Lovable Series B $330M, December 2025. Lovable blog: https://lovable.dev/blog/series-b. TechCrunch: https://techcrunch.com/2025/12/18/vibe-coding-startup-lovable-raises-330m-at-a-6-6b-valuation/. CNBC: https://www.cnbc.com/2025/12/16/ai-startup-lovables-round-values-it-at-6point6-billion-sources.html
  19. Hugging Face Series D $235M, August 2023. Last priced primary round.
  20. Black Forest Labs Series B $300M, December 2025. TechCrunch: https://techcrunch.com/2025/12/01/black-forest-labs-raises-300m-at-3-25b-valuation/. Tech.eu: https://tech.eu/2025/12/01/black-forest-labs-secures-300m-series-b-at-325b-valuation/. BFL press: https://bfl.ai/blog/our-300m-series-b
  21. ElevenLabs Series C $180M, January 2025.
  22. Sovereign Magazine, "Sweden's AI Darling Lovable Is Actually a Delaware Company": https://www.sovereignmagazine.com/eu-focus/swedens-ai-darling-lovable-is-actually-a-delaware-company-and-thats-europes-real-problem/
  23. Draghi, M. (2024, September). The Future of European Competitiveness. Part A: A competitiveness strategy for Europe. European Commission. Published under CC BY 4.0. https://commission.europa.eu/topics/eu-competitiveness/draghi-report_en. Direct PDF: https://commission.europa.eu/document/download/97e481fd-2dc3-412d-be4c-f152a8232961_en. Cited statistics: 40 of 147 European unicorns relocating HQ (2008-2021); 5 percent of global VC raised in EU vs 52 percent US; 6 percent of global AI start-up funding to EU vs 61 percent US.
  24. Tekever late-stage growth €70M, May 2025. Tech.eu: https://tech.eu/2025/05/06/tekever-becomes-the-latest-unicorn-in-europes-defencetech-industry/
  25. Owkin strategic round $175M, September 2024. Owkin press: https://owkin.com/news/owkin-announces-175m-strategic-investment. Sanofi anchor partnership 2021: https://www.sanofi.com/en/media-room/press-releases/2021/2021-11-18-08-00-00-2342929
  26. Tractable Series E $65M, 2023. SoftBank Vision Fund 2 led. Crunchbase profile: https://www.crunchbase.com/organization/tractable. PitchBook: https://pitchbook.com/profiles/company/113083-21
  27. Cohere acquisition of Aleph Alpha, 2025.
  28. Bloomberg, Builder.ai unicorn-to-bankruptcy investigation: https://www.bloomberg.com/news/features/2025-07-30/startup-builder-ai-goes-from-1-5-billion-unicorn-to-bankruptcy. Rest of World: https://restofworld.org/2025/builderai-ai-apps-downfall/
  29. Stability AI leadership changes, 2024-2025. Wikipedia: https://en.wikipedia.org/wiki/Stability_AI
  30. AMD acquisition of Silo AI for $665M, July 2024.
  31. Workday acquisition of Sana for $1.1B, September 2025.
  32. Accenture acquisition of Faculty AI, January 2026.
  33. Atomico, State of European Tech 2025. https://www.stateofeuropeantech.com/. European Central Bank EUR/USD reference rates: https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/eurofxref-graph-usd.en.html

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License: Creative Commons Attribution 4.0 International (CC BY 4.0). Free to share and adapt with attribution.

Attribution required: When using this data, cite "Source: BuiltInEu European AI Index 2026" with a link to https://builtineu.eu/blog/european-ai-companies-2026.

Next update: Quarterly. The next refresh is scheduled for August 2026.

For the sortable, filterable view of the same dataset, see the companion research page: The European AI Index 2026.

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