What are the most valued startups in the AI governance market?

Last updated: 7 September 2026

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market research pitch 2026 statistics AI governance market

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The AI governance market is expanding around evaluation, observability, security, compliance and tools that help enterprises control increasingly complex AI systems.

This ranking tracks the most valuable AI governance startups using announced valuations, acquisition prices, fundraising signals and carefully constructed estimates.

We update this list every month so the ranking reflects new funding rounds, acquisitions and other valuation signals as they become available.

And if you want to better understand this new industry, you can download our pitch covering the AI governance market.

A quick summary table

Metric Value
Most valuable AI governance startup Arize AI, $915M
Second most valuable AI governance startup Braintrust, $800M
Median AI governance startup valuation About $25M
Share of AI governance valuation captured by top 10 About 56%
Top AI governance valuation vs. median About 37x
Median valuation-to-capital-raised ratio About 4.5x
AI governance startups valued at $1B+ 0
Market map chart showing top companies and startups in the AI governance market

This market map, featured in our AI governance market deck, highlights top companies and startups in the AI governance market

Top startups in the AI governance market ranked by valuation

Here is an updated table that ranks the top startups in the AI governance market based on their latest reported or estimated valuations.

If you want more details about their fundraising activity, you can check our list of the startups who have raised the most funding in the AI governance market.

# Startup Name What They Do Current Valuation ($) Valuation Confidence Level Valuation Type Evidence Status Total Funding ($) Funding Confidence Level
1 Arize AI AI evaluation and observability $915M Full Confidence Acquisition Value Observed $131M Strong Confidence
2 Braintrust AI evaluation and observability platform $800M Full Confidence Announced Private Round Valuation Observed $124.3M Strong Confidence
3 Protect AI Secures AI models and supply chains $635M Full Confidence Acquisition Value Observed $108.5M Strong Confidence
4 Patronus AI AI evaluation and agent simulation $430M–$460M Strong Confidence Announced Private Round Valuation Observed $70.5M Strong Confidence
5 HiddenLayer Protects enterprise AI models and agents $380M–$400M Strong Confidence Announced Private Round Valuation Observed $186M Strong Confidence
6 Robust Intelligence AI model security and red-teaming $325M–$375M Strong Confidence Acquisition Value Estimated $44M Strong Confidence
7 Galileo Enterprise AI evaluation platform $250M–$450M Partial Confidence Implied Valuation from Raise Implied $68M Strong Confidence
8 Fiddler AI observability, safety and governance $220M–$300M Strong Confidence Implied Valuation from Raise Implied $100M Strong Confidence
9 Advai AI testing and assurance $180M–$330M Partial Confidence Implied Valuation from Raise Implied $31M Strong Confidence
10 Lakera Runtime security for generative AI $202M Full Confidence Acquisition Value Observed $30M Strong Confidence
11 Mindgard Automated AI red teaming protection $150M–$250M Partial Confidence Implied Valuation from Raise Implied $42M Strong Confidence
12 Cranium Enterprise AI security governance platform $135M–$250M Partial Confidence Implied Valuation from Raise Implied $72M Strong Confidence
13 Lasso Security Secures enterprise AI models agents $150M–$200M Strong Confidence Implied Valuation from Raise Implied ~$45M Partial Confidence
14 JetStream Security Enterprise AI governance control plane $140M–$200M Strong Confidence Implied Valuation from Raise Implied $34M Strong Confidence
15 Prompt Security Runtime protection for generative AI $160M Full Confidence Acquisition Value Observed $23M Strong Confidence
16 Arthur AI monitoring evaluation and security $140M–$180M Partial Confidence Active Raise Valuation Estimated $64M Strong Confidence
17 CalypsoAI Enterprise AI inference security $145M Full Confidence Acquisition Value Observed $43.2M Strong Confidence
18 Credo AI Enterprise AI governance and compliance $125M–$165M Partial Confidence Comparables-Based Estimate Estimated $41.3M Strong Confidence
19 Dynamo AI Enterprise AI risk and compliance $100M–$160M Partial Confidence Comparables-Based Estimate Estimated $23.9M+ Partial Confidence
20 Virtue AI AI security and runtime protection $100M–$140M Partial Confidence Acquisition Value Estimated $30M Strong Confidence
21 Harmonic Security Prevents sensitive data leakage to AI $90M–$140M Partial Confidence Implied Valuation from Raise Estimated $26M Strong Confidence
22 Vijil Builds secure and reliable AI agents $85M–$140M Partial Confidence Implied Valuation from Raise Implied $23M Strong Confidence
23 LatticeFlow Evidence-based AI governance $65M–$100M Partial Confidence Implied Valuation from Raise Implied $26.3M Strong Confidence
24 Kolena AI model testing platform $60M–$100M Partial Confidence Implied Valuation from Raise Implied $21M Strong Confidence
25 Singulr AI Enterprise AI governance and security $50M–$80M Partial Confidence Implied Valuation from Raise Estimated $10M Strong Confidence
26 Openlayer AI testing governance and observability $55M–$70M Strong Confidence Comparables-Based Estimate Estimated $19.3M Strong Confidence
27 Portal26 Enterprise GenAI governance and security $55M–$65M Strong Confidence Implied Valuation from Raise Implied $15.1M Strong Confidence
28 DeepKeep AI-native security across AI lifecycle $45M–$80M Low Confidence Comparables-Based Estimate Estimated $17M Strong Confidence
29 Modulos Automated enterprise AI compliance governance $50M–$70M Strong Confidence Implied Valuation from Raise Implied $17.2M Strong Confidence
30 2021.AI Enterprise AI governance platform $45M–$70M Partial Confidence Comparables-Based Estimate Estimated $12.6M Strong Confidence
31 Seldon Enterprise AI deployment and monitoring $45M–$75M Low Confidence Acquisition Value Estimated $33M Strong Confidence
32 HoneyHive AI agent evaluation and observability $40M–$65M Partial Confidence Comparables-Based Estimate Estimated $7.4M Strong Confidence
33 ModelOp Enterprise AI lifecycle governance platform $40M–$60M Strong Confidence Comparables-Based Estimate Estimated $16.7M Strong Confidence
34 WhyLabs AI monitoring and observability $40M–$60M Partial Confidence Acquisition Value Estimated $14M Strong Confidence
35 Aporia AI observability and guardrails $45M–$55M Strong Confidence Acquisition Value Observed $30M Strong Confidence
36 Holistic AI Enterprise AI governance and assurance $35M–$60M Partial Confidence Comparables-Based Estimate Estimated Undisclosed Low Confidence
37 Distributional / Talaria Scientific AI testing now scientific software $30M–$50M Low Confidence Proxy-Based Estimate Estimated $30M Strong Confidence
38 Mind Foundry Responsible enterprise AI solutions $30M–$50M Partial Confidence Revenue or ARR Multiple Estimate Estimated $19M Strong Confidence
39 TrojAI AI application security and testing $40M Full Confidence Acquisition Value Observed $12.1M Strong Confidence
40 Armilla AI AI assurance and warranties $25M–$45M Partial Confidence Implied Valuation from Raise Implied $6.7M Strong Confidence
41 Guardrails AI Open-source AI reliability guardrails $30M–$45M Strong Confidence Implied Valuation from Raise Implied $7.5M Strong Confidence
42 ValidMind Enterprise AI governance for finance $30M–$45M Strong Confidence Revenue or ARR Multiple Estimate Estimated $8.1M Strong Confidence
43 Mona Production AI performance monitoring $25M–$40M Low Confidence Revenue or ARR Multiple Estimate Estimated ~$9M Partial Confidence
44 Trustible Enterprise AI governance software $25M–$40M Partial Confidence Implied Valuation from Raise Implied $6.4M+ Partial Confidence
45 Enkrypt AI AI security testing and compliance $20M–$40M Low Confidence Acquisition Value Estimated $2.35M Strong Confidence
46 Themis AI Quantifies AI model uncertainty $20M–$40M Low Confidence Comparables-Based Estimate Estimated $2.8M Strong Confidence
47 AIShield AI model and GenAI security $20M–$35M Low Confidence Comparables-Based Estimate Estimated Undisclosed Low Confidence
48 Invariant Labs Security guardrails for agentic AI $15M–$35M Low Confidence Acquisition Value Estimated Undisclosed Low Confidence
49 Lumenova AI Enterprise AI risk and governance $18M–$32M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
50 QuantPi AI risk management platform $18M–$30M Partial Confidence Comparables-Based Estimate Estimated $5.2M Strong Confidence
51 BreezeML Enterprise AI testing and governance $18M–$30M Low Confidence Comparables-Based Estimate Estimated $4.1M Strong Confidence
52 Hamming Voice-agent testing and monitoring $18M–$30M Partial Confidence Implied Valuation from Raise Estimated $4.3M Strong Confidence
53 Enzai Enterprise AI governance and enablement $18M–$28M Partial Confidence Comparables-Based Estimate Estimated $4M Strong Confidence
54 Citrusx AI validation explainability and monitoring $18M–$27M Partial Confidence Comparables-Based Estimate Estimated $4.5M Strong Confidence
55 Giskard AI testing and red teaming $15M–$28M Low Confidence Comparables-Based Estimate Estimated ~$5M incl. grants Partial Confidence
56 Scorecard Testing and evaluation for agents $15M–$25M Strong Confidence Implied Valuation from Raise Implied $3.75M Strong Confidence
57 Athina AI Collaborative AI evaluation platform $15M–$25M Partial Confidence Implied Valuation from Raise Estimated $3.5M Strong Confidence
58 FairNow Automated enterprise AI governance $15M–$25M Partial Confidence Acquisition Value Estimated $4.2M Strong Confidence
59 Preamble Generative AI security controls $12M–$25M Low Confidence Comparables-Based Estimate Estimated $4M Strong Confidence
60 Calvin Risk Quantitative AI risk management platform $16M–$24M Strong Confidence Comparables-Based Estimate Estimated $5.5M Strong Confidence
61 Leap Labs AI interpretability for scientific discovery $12M–$22M Partial Confidence Implied Valuation from Raise Estimated $3M Strong Confidence
62 Prodago Data and AI governance workflows $12M–$22M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
63 Datatron MLOps and model governance $12M–$22M Low Confidence Comparables-Based Estimate Estimated ~$12M Partial Confidence
64 Deepchecks AI testing and evaluation $10M–$20M Strong Confidence Acquisition Value Estimated $14M Strong Confidence
65 Guardrail Technologies Enterprise AI security and compliance $12M–$20M Partial Confidence Implied Valuation from Raise Implied $3M Strong Confidence
66 Deeploy Runtime AI governance platform $12M–$20M Partial Confidence Comparables-Based Estimate Estimated ~$3M Partial Confidence
67 Vera Generative AI safety guardrails $10M–$20M Low Confidence Comparables-Based Estimate Estimated $3.3M Strong Confidence
68 CertifAI Independent AI testing and certification $10M–$20M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
69 SuperAlign Enterprise AI security infrastructure $10M–$20M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
70 Konfer Continuous AI agent governance assurance $10M–$18M Low Confidence Proxy-Based Estimate Estimated $3.2M Strong Confidence
71 Validaitor AI assurance and compliance platform $8M–$16M Low Confidence Comparables-Based Estimate Estimated Undisclosed Low Confidence
72 Fairly AI / Asenion AI governance risk compliance platform $9M–$15M Partial Confidence Comparables-Based Estimate Estimated $3.1M Strong Confidence
73 AutoAlign Generative-AI security and governance $7M–$15M Low Confidence Proxy-Based Estimate Estimated $35K disclosed grant Partial Confidence
74 Censius AI model observability platform $8M–$15M Low Confidence Revenue or ARR Multiple Estimate Estimated $0 reported Low Confidence
75 Confident AI LLM evaluation and observability platform $9M–$14M Partial Confidence Implied Valuation from Raise Implied $2.2M Strong Confidence
76 trail Automated enterprise AI governance compliance $9M–$14M Partial Confidence Comparables-Based Estimate Estimated ~$1.7M Partial Confidence
77 Saidot Knowledge-graph based AI governance $8M–$13M Partial Confidence Comparables-Based Estimate Estimated $1.8M Strong Confidence
78 KomplyAI AI governance risk compliance platform $6M–$12M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
79 NannyML Machine-learning performance monitoring $6M–$12M Low Confidence Acquisition Value Estimated $2M Strong Confidence
80 Code4Thought AI assurance and governance $6M–$12M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
81 Tibo Prevents corporate data leakage to AI $4M–$12M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
82 Atla AI AI agent evaluation and reliability $6M–$12M Low Confidence Proxy-Based Estimate Estimated $5M Strong Confidence
83 Numalis Certifies AI robustness and compliance $7M–$12M Low Confidence Implied Valuation from Raise Estimated $6.5M Strong Confidence
84 Mithril Security Privacy-preserving secure AI infrastructure $5M–$15M Low Confidence Acquisition Value Estimated $1.7M Strong Confidence
85 Adversa AI AI agent runtime security $5M–$10M Low Confidence Proxy-Based Estimate Estimated ~$0.2M disclosed Partial Confidence
86 Asher Informatics Healthcare AI governance platform $5M–$10M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
87 Zetane Enterprise AI document intelligence $5M–$9M Strong Confidence Implied Valuation from Raise Implied $2M Strong Confidence
88 Halluminate Training environments for computer agents $5M–$9M Partial Confidence Implied Valuation from Raise Estimated $0.5M Strong Confidence
89 Zuverise (Zupervise) AI risk transparency and observability $4M–$8M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
90 Fairo Responsible AI governance software $4M–$8M Low Confidence Proxy-Based Estimate Estimated No material equity funding disclosed Low Confidence
91 Etiq AI AI testing fairness and debugging $4M–$7M Strong Confidence Implied Valuation from Raise Implied ~$2M Partial Confidence
92 SigmaRed Regulated-enterprise AI governance $2M–$6M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
93 Daios User-sovereign AI alignment research $2M–$5M Low Confidence Proxy-Based Estimate Estimated Undisclosed grant funding Low Confidence
94 Aligned AI AI alignment and safety systems $3M–$5M Partial Confidence Revenue or ARR Multiple Estimate Estimated $1.1M Strong Confidence
95 CertKOR AI AI ethics auditing and controls $2M–$5M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
96 Trubrics Product analytics for AI agents $2M–$3M Strong Confidence Comparables-Based Estimate Estimated $0.5M Strong Confidence
97 Seclea Responsible AI governance platform $1M–$3M Low Confidence Proxy-Based Estimate Estimated ~$0.3M Partial Confidence
98 equalityAI Healthcare AI bias governance $0M–$1M Low Confidence Proxy-Based Estimate Estimated $1.25M Strong Confidence
99 Trst.ai AI trust platform now inactive $0M–$1M Low Confidence Proxy-Based Estimate Estimated Undisclosed Low Confidence
Chart comparing the 2026 size of the AI governance market with other markets of similar size

This chart, featured in our AI governance market deck, compares the 2026 size of the AI governance market with other markets of similar size

Key valuation trends in the AI governance market

Insights

  • The AI governance market is highly concentrated. The top 10 companies represent about 56% of the combined valuation in this dataset, even though the ranking includes almost 100 startups.
  • Acquisitions are a major source of value creation in AI governance. Arize AI, Protect AI, Lakera, Prompt Security, CalypsoAI and TrojAI represent roughly $2.1 billion of transaction value combined.
  • AI security businesses have produced some of the strongest capital efficiency in the market. Lakera reached a $202 million acquisition value after raising $30 million, while Prompt Security reached $160 million after raising $23 million.
  • Robust Intelligence also stands out. Its estimated $350 million acquisition value is close to eight times the company's $44 million in cumulative funding.
  • Patronus AI has a midpoint valuation near $445 million after raising $70.5 million. That represents roughly 6.3 times cumulative funding and shows the premium attached to specialized AI evaluation infrastructure.
  • The AI governance market has a steep valuation curve. Arize AI is valued at roughly 37 times the market median, while no company in the dataset has yet crossed the $1 billion valuation threshold.
  • Established governance platforms are clustered much lower than the category leaders. Modulos, ModelOp, Openlayer and Portal26 sit around the $50 million to $65 million level despite meaningful product maturity and cumulative funding.
  • Open-source infrastructure can still support strong valuation multiples. Guardrails AI's estimated $30 million to $45 million valuation equals roughly four to six times its $7.5 million of funding.
Chart showing Credo

This chart, featured in our AI governance market deck, looks at Credo's strategy in AI governance

A few words about our methodology

As you can see, we built a database that ranks startups in the AI governance market based on their current valuation.

Estimating AI governance startup valuations is not always straightforward. Many companies do not publicly disclose their valuation, and available information varies widely depending on the company and its stage.

To build this ranking, we applied a structured valuation methodology and cross-checked information across multiple reliable sources.

Whenever possible, we relied on direct disclosures. These include announced valuations from completed funding rounds, public filings for listed companies, or official acquisition prices.

When an AI governance company is publicly listed, we use its current market capitalization as the reference valuation.

If an AI governance startup was acquired and no independent valuation can reasonably be estimated today, we use the acquisition price as the main reference point.

When a startup recently raised capital but the valuation was not disclosed, we estimate the implied valuation using typical dilution levels for that stage of fundraising.

In some cases, we also estimate valuations using operating metrics such as revenue, ARR, customer traction or enterprise adoption, combined with valuation multiples from comparable AI governance companies.

When direct financial data is not available, we may rely on carefully selected comparable startups and other signals such as hiring growth, investor quality, product traction or adoption of an AI evaluation, security or compliance platform.

All estimates follow a strict evidence hierarchy. Recent funding rounds with announced valuations carry the most weight, followed by acquisition prices, strong operating metrics and comparable company analysis.

We also carefully evaluate the age of every data point. Recent information carries more weight, while older data is treated cautiously and adjusted conservatively when necessary.

Whenever information is uncertain or incomplete, we clearly distinguish between confirmed facts and reasonable inferences.

Because AI governance valuation data is not always fully public, each startup in the ranking is assigned a confidence level based on the reliability, recency and consistency of the available evidence.

Full confidence means the valuation is supported by strong and recent evidence. Strong confidence means the estimate is well supported but includes minor inference. Partial confidence means the estimate relies more heavily on indirect signals. Low confidence means available information is limited or inconsistent.

When confidence is lower, we take a more conservative approach by widening the valuation range. This helps reflect the uncertainty and increases the probability that the true valuation falls within the estimated range.

This reflects how we conduct all our research, including the work behind our report covering the AI governance market.

In a world where LLMs hallucinate and unreliable information is everywhere, our goal is simple: provide data you can trust.

If you want the full detail on a specific valuation estimate, feel free to contact us and we will gladly explain.

Finally, know that we update the dataset once per month, so come back here if you need fresh information.

Chart showing the projected CAGR of the AI governance market

This chart, featured in our AI governance market deck, shows annual funding in AI governance startups

Related blog posts

- Is the AI Governance Market growing now?

- What are the top startups in the AI governance market?

- A complete list of business models in AI governance

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