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

Last updated: 13 July 2026

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In our AI governance market deck, you will find everything you need to understand the market

The AI governance market brings together startups that help organizations evaluate, monitor, secure, and control artificial intelligence systems.

This ranking compares 99 AI governance startups using their latest reported acquisition prices, funding-round valuations, and carefully constructed valuation estimates.

We update this list every month to reflect new funding rounds, acquisitions, operating data, and changes in market conditions.

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 Braintrust, $800M
Second most valuable AI governance startup Protect AI, $700M
Median AI governance startup valuation Approximately $24M
Share of AI governance valuation captured by the top 10 Approximately 54.5%
Top AI governance valuation vs. median Approximately 33.3 times
Median valuation-to-capital-raised ratio Approximately 5.0 times
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 detaild 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 Braintrust AI observability and evaluations $800M Full Confidence Announced Private Round Valuation Observed $121M Strong Confidence
2 Protect AI Secures AI applications and models $700M Full Confidence Acquisition Value Observed $109M Strong Confidence
3 Arize AI AI observability and evaluation $350M–$500M Strong Confidence Implied Valuation from Raise Implied $131M Strong Confidence
4 Patronus AI Tests and evaluates AI agents $330M–$500M Strong Confidence Implied Valuation from Raise Implied $70M Strong Confidence
5 Robust Intelligence Tests and secures AI models $400M Full Confidence Acquisition Value Observed $44M Strong Confidence
6 Galileo GenAI evaluation and observability $280M–$400M Strong Confidence Implied Valuation from Raise Implied $68M Full Confidence
7 Lakera Protects generative AI applications $280M–$320M Strong Confidence Acquisition Value Estimated $30M Full Confidence
8 CalypsoAI Enterprise generative AI security guardrails $180M Full Confidence Acquisition Value Observed $41M Strong Confidence
9 Prompt Security Secures enterprise generative AI usage $180M Full Confidence Acquisition Value Observed $23M Full Confidence
10 Arthur AI monitoring and governance platform $140M–$220M Partial Confidence Comparables-Based Estimate Estimated $60M Full Confidence
11 JetStream Security Enterprise AI governance security $160M–$190M Strong Confidence Implied Valuation from Raise Implied $34M Full Confidence
12 Fiddler AI observability and governance platform $120M–$160M Strong Confidence Implied Valuation from Raise Implied $100M Strong Confidence
13 HiddenLayer Detects attacks against AI models $110M–$160M Partial Confidence Revenue or ARR Multiple Estimate Estimated $56M Full Confidence
14 Credo AI Responsible AI governance platform $110M–$150M Strong Confidence Announced Private Round Valuation Estimated $41M Strong Confidence
15 Virtue AI AI safety and security $110M–$145M Strong Confidence Implied Valuation from Raise Implied $30M Partial Confidence
16 Mind Foundry High-stakes AI decision systems $100M–$150M Partial Confidence Revenue or ARR Multiple Estimate Estimated $44M Partial Confidence
17 Distributional AI testing and evaluation $95M–$145M Partial Confidence Implied Valuation from Raise Implied $30M Full Confidence
18 Lasso Security Secures LLMs and AI agents $90M–$140M Partial Confidence Comparables-Based Estimate Estimated $6M Full Confidence
19 Vijil Builds trust infrastructure for agents $95M–$135M Strong Confidence Implied Valuation from Raise Implied $23M Strong Confidence
20 Harmonic Security Prevents sensitive AI data leakage $85M–$125M Partial Confidence Implied Valuation from Raise Implied $24M Strong Confidence
21 Dynamo AI Enterprise AI compliance platform $75M–$120M Partial Confidence Implied Valuation from Raise Estimated $19M Full Confidence
22 Kolena AI model testing platform $75M–$120M Partial Confidence Implied Valuation from Raise Implied $21M Strong Confidence
23 ModelOp Enterprise AI governance software $70M–$110M Partial Confidence Implied Valuation from Raise Implied $16M Strong Confidence
24 Cranium Manages enterprise AI security risks $60M–$100M Partial Confidence Revenue or ARR Multiple Estimate Estimated $32M Partial Confidence
25 LatticeFlow Trustworthy AI testing platform $60M–$95M Partial Confidence Implied Valuation from Raise Implied $15M Full Confidence
26 Modulos AI compliance automation platform $55M–$85M Strong Confidence Implied Valuation from Raise Implied $11M Partial Confidence
27 Openlayer AI testing and governance platform $50M–$75M Strong Confidence Comparables-Based Estimate Estimated $19M Full Confidence
28 Portal26 Manages enterprise generative AI adoption $50M–$70M Strong Confidence Implied Valuation from Raise Implied $15M Full Confidence
29 Singulr AI Enterprise AI governance platform $45M–$70M Partial Confidence Implied Valuation from Raise Implied $10M Full Confidence
30 Seldon Enterprise ML deployment governance $40M–$70M Low Confidence Acquisition Value Estimated $33M Strong Confidence
31 DeepKeep Protects models and AI applications $40M–$65M Partial Confidence Implied Valuation from Raise Implied $10M Partial Confidence
32 Mindgard Automates AI security red teaming $40M–$65M Partial Confidence Implied Valuation from Raise Implied $12M Full Confidence
33 Aporia AI observability and guardrails $40M–$60M Partial Confidence Acquisition Value Estimated $30M Full Confidence
34 ValidMind Financial AI risk management $40M–$55M Partial Confidence Revenue or ARR Multiple Estimate Estimated $8M Partial Confidence
35 Monitaur Regulated model governance platform $30M–$55M Partial Confidence Implied Valuation from Raise Implied $13M Full Confidence
36 Holistic AI Enterprise AI governance platform $25M–$40M Partial Confidence Revenue or ARR Multiple Estimate Estimated Not provided Low Confidence
37 Invariant Labs Secures autonomous AI agent systems $25M–$55M Low Confidence Acquisition Value Estimated Not provided Low Confidence
38 AIShield Protects models against adversarial attacks $25M–$50M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
39 TrojAI Secures and tests AI applications $25M–$45M Partial Confidence Acquisition Value Estimated $8M Partial Confidence
40 Trustible Enterprise AI governance management platform $25M–$40M Strong Confidence Implied Valuation from Raise Implied $6M Strong Confidence
41 Guardrails AI LLM guardrails and assurance $25M–$40M Partial Confidence Revenue or ARR Multiple Estimate Estimated $8M Full Confidence
42 Armilla AI AI assurance and insurance $24M–$38M Partial Confidence Implied Valuation from Raise Implied $7M Partial Confidence
43 HoneyHive AI agent observability platform $25M–$38M Strong Confidence Implied Valuation from Raise Implied $7M Strong Confidence
44 WhyLabs AI monitoring and model security $20M–$40M Low Confidence Acquisition Value Estimated $14M Full Confidence
45 Deeploy AI governance and MLOps platform $20M–$35M Partial Confidence Implied Valuation from Raise Implied $8M Partial Confidence
46 CitrusX AI validation and explainability $18M–$35M Partial Confidence Implied Valuation from Raise Implied $4M Full Confidence
47 Hamming Voice agent testing platform $20M–$32M Partial Confidence Implied Valuation from Raise Implied $4M Strong Confidence
48 Scorecard AI agent evaluation platform $20M–$30M Strong Confidence Implied Valuation from Raise Implied $4M Full Confidence
49 Calvin Risk Quantitative AI risk management $18M–$30M Partial Confidence Implied Valuation from Raise Implied $5M Partial Confidence
50 2021.AI Enterprise responsible AI governance platform $18M–$30M Partial Confidence Implied Valuation from Raise Estimated $4M Low Confidence
51 Athina AI LLM evaluation and monitoring $18M–$28M Partial Confidence Comparables-Based Estimate Estimated $4M Strong Confidence
52 FairNow Automates AI governance and compliance $15M–$30M Partial Confidence Acquisition Value Estimated $4M Strong Confidence
53 Censius AI monitoring and explainability $15M–$30M Low Confidence Comparables-Based Estimate Estimated Not provided Low Confidence
54 Enzai Automated AI governance platform $16M–$28M Partial Confidence Implied Valuation from Raise Implied $4M Strong Confidence
55 BreezeML Embeds governance into ML workflows $15M–$25M Partial Confidence Comparables-Based Estimate Estimated $4M Strong Confidence
56 Atla AI AI agent evaluation engine $15M–$25M Partial Confidence Comparables-Based Estimate Estimated $6M Partial Confidence
57 Konfer Agentic compliance platform $12M–$25M Low Confidence Implied Valuation from Raise Implied Not provided Low Confidence
58 Preamble Configurable AI safety controls $12M–$25M Low Confidence Comparables-Based Estimate Estimated Not provided Low Confidence
59 SuperAlign Enterprise AI security platform $12M–$25M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
60 Mona AI monitoring and observability $12M–$25M Low Confidence Revenue or ARR Multiple Estimate Estimated $4M Low Confidence
61 Confident AI LLM evaluation platform $12M–$20M Partial Confidence Implied Valuation from Raise Implied $3M Strong Confidence
62 Numalis Validates safety-critical AI systems $13M–$18M Partial Confidence Comparables-Based Estimate Estimated $6M Partial Confidence
63 Deepchecks AI testing and evaluation platform $10M–$20M Partial Confidence Acquisition Value Estimated $14M Strong Confidence
64 Saidot EU AI governance SaaS $10M–$18M Partial Confidence Implied Valuation from Raise Implied $2M Strong Confidence
65 Vera Enforces enterprise generative AI policies $10M–$18M Partial Confidence Implied Valuation from Raise Estimated $3M Strong Confidence
66 QuantPi AI risk management platform $10M–$17M Partial Confidence Implied Valuation from Raise Implied $2M Strong Confidence
67 Enkrypt AI Provides guardrails and AI red-teaming $9M–$15M Partial Confidence Implied Valuation from Raise Implied $2M Full Confidence
68 Datatron MLOps and AI governance $8M–$15M Low Confidence Proxy-Based Estimate Estimated $3M Strong Confidence
69 NannyML ML monitoring and drift detection $8M–$15M Low Confidence Acquisition Value Estimated $1M Full Confidence
70 Giskard AI model security testing $8M–$15M Partial Confidence Implied Valuation from Raise Implied $2M Strong Confidence
71 trail AI governance GRC platform $8M–$15M Partial Confidence Implied Valuation from Raise Implied $2M Strong Confidence
72 Lumenova AI Integrated AI governance platform $8M–$14M Partial Confidence Revenue or ARR Multiple Estimate Estimated Not provided Low Confidence
73 Prodago Data and AI governance $6M–$15M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
74 Fairo Responsible AI governance tooling $6M–$15M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
75 Fairly AI AI risk compliance platform $7M–$13M Low Confidence Comparables-Based Estimate Estimated $3M Partial Confidence
76 Themis AI AI uncertainty and debiasing $7M–$13M Low Confidence Comparables-Based Estimate Estimated $3M Partial Confidence
77 Mithril Security Protects private AI data processing $7M–$12M Partial Confidence Revenue or ARR Multiple Estimate Estimated $1M Strong Confidence
78 Zetane Complex document AI platform $7M–$12M Strong Confidence Implied Valuation from Raise Implied $2M Full Confidence
79 Advai AI assurance and stress-testing $6M–$12M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
80 AutoAlign Industrial AI assistant platform $6M–$12M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
81 Validaitor AI governance and compliance suite $5M–$12M Low Confidence Implied Valuation from Raise Implied Not provided Low Confidence
82 Guardrail Technologies AI security governance software $4M–$10M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
83 KomplyAI AI governance risk and compliance $4M–$10M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
84 Code4Thought Audits AI and software systems $4M–$9M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
85 Trst.ai AI trust and governance $4M–$9M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
86 Aligned AI Develops human-aligned AI systems $4M–$9M Low Confidence Proxy-Based Estimate Estimated $1M Low Confidence
87 Etiq AI ML testing and debugging copilot $5M–$7M Partial Confidence Revenue or ARR Multiple Estimate Estimated $1M Partial Confidence
88 equalityAI Healthcare AI compliance platform $3M–$8M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
89 Leap Labs AI interpretability research tools $3M–$8M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
90 Trubrics Tracks feedback for AI products $3M–$7M Low Confidence Implied Valuation from Raise Implied Not provided Low Confidence
91 Halluminate Trains financial-services AI agents $3M–$7M Low Confidence Revenue or ARR Multiple Estimate Estimated Not provided Low Confidence
92 Daios AI governance software $2M–$7M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
93 Adversa AI Tests AI systems against attacks $2M–$6M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
94 Certifai Tests and certifies AI systems $2M–$6M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
95 CertKOR AI Audits personal data used by AI $2M–$5M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
96 SigmaRed AI governance consulting and compliance $2M–$5M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
97 Zuverise AI governance, unverified $1M–$4M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
98 Seclea Responsible AI lifecycle governance $1M–$4M Low Confidence Implied Valuation from Raise Implied Not provided Low Confidence
99 Asher Informatics Clinical AI governance platform $1M–$4M Low Confidence Proxy-Based Estimate Estimated Not provided Low Confidence
100 Tibo Prevents workplace AI data leaks $1M–$3M Low Confidence Proxy-Based Estimate Estimated Not provided 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 top 10 AI governance startups represent approximately $3.9B in midpoint value, or about 54.5% of the combined valuation across the entire ranking.
  • Braintrust and Protect AI alone account for $1.5B in value, which is greater than the combined midpoint valuation of Arize AI, Patronus AI, and Galileo.
  • AI security companies Protect AI, Robust Intelligence, Lakera, CalypsoAI, Prompt Security, and JetStream Security represent about $1.9B in combined value from only $281M in disclosed funding.
  • Acquisitions have become an important source of liquidity in AI governance, with several of the highest-ranked companies reaching clearer and often richer outcomes through strategic buyers.
  • Evaluation and observability companies Braintrust, Arize AI, Patronus AI, Galileo, Fiddler, HoneyHive, and Scorecard collectively represent approximately $2.2B in value.
  • The median AI governance startup is valued at about $24M, while Braintrust is valued at roughly 33 times that amount, showing how concentrated the market remains.
  • Robust Intelligence reached an observed acquisition value equal to approximately 9.1 times its disclosed funding, demonstrating the strategic value of securing and testing AI models.
  • Prompt Security reached a $180M acquisition value after raising $23M, producing a value-to-funding multiple of approximately 7.8 times.
  • Early-stage AI agent infrastructure can remain capital efficient. Portal26, Trustible, HoneyHive, Scorecard, and Zetane represent about $148M in combined midpoint value from only $34M in funding.
Chart showing Credo

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

A few word 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 the available information can vary 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, enterprise customer traction, or product 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, regulatory relevance, or acquisition interest.

All estimates follow a strict evidence hierarchy. Recent funding rounds with announced valuations carry the most weight, followed by acquisition values, 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 valuation data is not always fully public, each AI governance 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

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