Of 60 answers

The most named companies in the study, and S&P 500 financials, with how many of their 60 AI answers named them.

SWIFT47/60TRANSUNION46/60EXPERIAN42/60COINSTAR41/60NAVY FEDERAL CREDIT UNION41/60ZELLE41/60BLOOMBERG L.P.38/60TRADINGVIEW38/60BANCO POPULAR DE PUERTO RICO37/60PAYPAL37/60VENMO37/60CHEXSYSTEMS33/60EQUIFAX33/60MORNINGSTAR32/60S&P GLOBAL31/60ALPACA MARKETS30/60COINBASE30/60PINWHEEL29/60STRIPE29/60XERO29/60ACORNS28/60AFFIRM28/60PAYFAST (PAYGATE)28/60PAYONEER28/60INTERACTIVE BROKERS26/60CHARLES SCHWAB19/60THE HARTFORD9/60MOODY'S21/60CME GROUP19/60ACCENTURE11/60CHUBB10/60MORGAN STANLEY6/60AMERICAN EXPRESS14/60SYNCHRONY FINANCIAL12/60FACTSET20/60NASDAQ19/60ALLSTATE11/60WELLS FARGO18/60PAYCHEX10/60ARES MANAGEMENT3/60
Rezolve Ai
MethodDemo
Back to the study
AI visibility statementFinance AI Visibility Study 2026Issued October 14, 2026
Account holder

Simpson Thacher & Bartlett

stblaw.com

Law firmsAdvisers and services

Money20/20 attendee

Statement period
October 9 to 14, 2026
when the AI assistants were asked
Account no.
586 of 2,219
its rank by overall score
Place in its category
9th of 32 law firms
Closing balance

Named in

3of 60 answers

by 3 of 4 assistants

Statement note

What this means for Simpson Thacher & Bartlett

AI assistants name this law firm in 5% of answers, which is ahead of the typical company in its sector. It has an overall score of 36 out of 100, ranking 586th of 2,219. Its website passes 3 of 14 technical checks for AI tool readiness.

We asked 15 unbranded questions about its market, so no question mentioned Simpson Thacher & Bartlett by name. AI assistants named it in 3 of the 60 answers. Counting only how often it is named, it ranks 77th of 346 in its sector. The typical advisory or services firm is named in 0.0% of answers.

Overall score
36Overall score
  • Visibility8
  • Citations0
  • Sentiment100
  • Site quality67
  • AI readiness36
Summary of account
Named by AI in
5.0%
3 of 60 answers
Share of mentions
15.8%
of the mentions of it and its 5 peers
AI readiness
3/14
technical checks passed. Typical for its sector: 4
Rank in its sector
69 of 346
by overall score, where the typical advisory or services firm scores 27

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Line itemsSection 01

Every question, and where the company came up

Simpson Thacher & Bartlett came up on 1 of 15 questions. Open any window to read that answer.

  1. 01Are high-end corporate law firms worth the investment for public companies seeking IPO support?0/4
  2. 02How does a boutique corporate law firm compare to a large international law firm for complex transactions?0/4
  3. 03How can a company resolve conflicts of interest with its chosen corporate law advisor?0/4
  4. 04Which practice areas are most important when choosing a corporate law firm for institutional clients?0/4
  5. 05Corporate law firm vs. in-house legal team for managing regulatory compliance — which is better for a growing company?0/4
  6. 06How do large corporate law firms assist clients with navigating complex regulatory environments?0/4
  7. 07Options for small businesses seeking corporate legal advice without engaging a full-service law firm0/4
  8. 08What is the average hourly rate for top-tier corporate law firms in the United States?0/4
  9. 09What should you do if you’re unhappy with your current corporate legal counsel’s responsiveness?0/4
  10. 10What are the top qualities to look for in a corporate law firm as a business client?0/4
  11. 11What are alternatives to hiring a corporate law firm for contract review and negotiation?0/4
  12. 12Best US-based corporate law firms for cross-border mergers and acquisitions3/4
  13. 13Is it more cost-effective for midsize businesses to retain a corporate law firm or pay case-by-case?0/4
  14. 14How do corporate law firms usually structure billing for large-scale deals?0/4
  15. 15Typical services offered by corporate law firms for multinational public companies0/4
Total namedOpenAI: 1/15Claude: 1/15Perplexity: 0/15Gemini: 1/15All assistants: 3/60
named the companyanswered without naming itdid not answer

Columns, left to right: OpenAI, Claude, Perplexity, Gemini. Across the study, on 50% of the questions where a company is named, only one AI assistant names it.

Transaction detailSection 02

What Claude actually said

An answer that names the company

Claudenamed the company

“Best US-based corporate law firms for cross-border mergers and acquisitions”

… Simpson Thacher & Bartlett LLP's New York office acts as the main hub of its global work and is known for its representation of an elite clientele on high-end work.

Skadden, Arps, Slate, Meagher & Flom LLP has a premium global practice which has built widespread coverage and expertise across regions and areas of law on the foundation of its longstanding, market-leading reputation for US law advice.

Additional Notable Firms

Wachtell, Lipton, Rosen & Katz remains a standout practice for transactional work, including high-profile domestic and cross-border M&A.

Freshfields U …

The AI’s answer as we received it, shortened and not checked for accuracy.

PayeesSection 03

Where the mentions went

The companies these answers named, and how the mentions were split between this company and its peers.

Also named

CompanyTimes named
  1. 01
    Davis Polk & Wardwell LLP
    1
  2. 02
    Cravath, Swaine & Moore LLP
    1
  3. 03
    Simpson Thacher & Bartlett LLP
    1
  4. 04
    Skadden, Arps, Slate, Meagher & Flom LLP
    1

Share of mentions

CompanyShare
  1. Davis Polk & Wardwell LLP
    26.3%
  2. Skadden, Arps, Slate, Meagher & Flom LLP
    26.3%
  3. Simpson Thacher & Bartlett
    15.8%
  4. Cravath, Swaine & Moore LLP
    15.8%
  5. Cleary Gottlieb Steen & Hamilton LLP
    10.5%
  6. Sullivan & Cromwell LLP
    5.3%
ReferrersSection 04

Websites the AI used as sources

How many times each website was listed as a source in these answers

  1. 01
    chambers.com
    10
  2. 02
    acc.com
    6
  3. 03
    legal500.com
    5
  4. 04
    leanlaw.co
    5
  5. 05
    anthemeap.com
    5
  6. 06
    linkedin.com
    4
  7. 07
    legalclarity.org
    4
  8. 08
    law.yale.edu
    3
  9. 09
    en.wikipedia.org
    3
  10. 10
    daeryunlaw.com
    3

Simpson Thacher & Bartlett is in the study as a law firm.

By assistantSection 05

Which AI assistants named the company

Answers naming it, out of answers received

Claude
1/15
Gemini
1/15
OpenAI
1/15
Perplexity
0/15
Market comparisonSection 06

How Simpson Thacher & Bartlett compares with all 2,219 companies

Every tower is a company in the study, taller for a higher overall score and lit where AI assistants named it. Its own group stays lit. Hover a tower to see it, and click to open it.

What makes up the score

Each part is scored out of 100.

Visibility
8

How often AI assistants name the company, and how that compares with its peers

Citations
0

How often AI uses the company's own website as a source

Sentiment
100

How positively AI describes the company

Site quality
67

How well built the website's own pages are

AI readiness
36

How easily AI tools can read and use the website

Visibility is calculated from the answers on this page. How the score is built.

Against its sectorSection 07

Compared with advisory and services firms

346 companies in this sector. The gold tick on each bar is the typical company.

Overall score
36
Ranks 69 of 346. Typical company: 27
Named in answers
5.0%
Ranks 77 of 346. Typical company: 0.0%
AI readiness
36
Ranks 38 of 346. Typical company: 29
Against its categorySection 08

Compared with law firms

32 companies in this category. The gold tick on each bar is the typical company.

Overall score
36
Ranks 9 of 32. Typical company: 28
Named in answers
5.0%
Ranks 8 of 32. Typical company: 0.8%
AI readiness
36
Ranks 3 of 32. Typical company: 21
AI agentsSection 09

Ready for AI agents

What this website publishes for an AI agent to read, use and pay through, on a scale of six levels.

  1. 0
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5

Level 1: Basic web presence. Two of robots.txt, a sitemap and Link headers are in place.

To reach level 2:
  • Content Signals
Can an AI agent check out here?

Not by itself. Simpson Thacher & Bartlett publishes none of the agent payment protocols we look for. An agent would have to click through the website like a person.

Agent payment protocols
  • x402Not present
  • MPPNot present
  • AP2Not present
  • ACPNot present
  • UCPNot present
Interfaces for AI agents
  • MCP Server CardNot present
  • A2A Agent CardNot present
  • Agent SkillsNot present
  • API CatalogNot present
  • llms.txtNot present
  • WebMCPCould not check
Show every check, for your technical team
Discoverability
80 of 100
  • robots.txtPassed

    A valid robots.txt with crawl rules at the site root.

    study: 86.1%
  • SitemapPassed

    An XML sitemap listing the pages, ideally referenced from robots.txt.

    study: 87.9%
  • Link headersNot met

    Send Link headers such as rel="api-catalog" or rel="describedby" on the homepage.

    study: 1.5%
  • DNS for AI DiscoveryPassed

    SVCB or HTTPS records under _agents that advertise agent endpoints.

    study: 4.3%
Content accessibility
0 of 100
  • Markdown negotiationNot met

    Return a markdown version when asked with Accept: text/markdown, for example at the CDN.

    study: 6.2%
  • llms.txtNot met

    Publish an llms.txt with a short summary and the key links.

    study: 31.0%
Bot access control
32 of 100
  • AI bot rulesPartly met

    Add explicit robots.txt groups for the main AI crawlers.

    study: 92.7%
  • Content SignalsNot met

    Add a Content-Signal line for search, ai-input and ai-train to robots.txt.

    study: 2.3%
  • Web Bot AuthNot present

    Only relevant if you run your own agents or crawlers: publish a signing key directory.

    study: 0.3%
APIs, auth and MCP
0 of 100
  • API CatalogNot met

    List public APIs in a linkset at /.well-known/api-catalog.

    study: 1.3%
  • OAuth discoveryNot met

    Publish OpenID Connect or OAuth server metadata under /.well-known.

    study: 6.3%
  • OAuth Protected ResourceNot met

    Serve protected resource metadata at /.well-known/oauth-protected-resource.

    study: 5.3%
  • auth.mdNot met

    Publish an auth.md describing how agents sign in.

    study: 0.2%
  • MCP Server CardNot met

    Offer an MCP server and publish its server card under /.well-known.

    study: 0.8%
  • A2A Agent CardNot met

    Publish an agent card at /.well-known/agent-card.json.

    study: 0.2%
  • Agent SkillsNot met

    Publish a skills index with the main tasks agents can do.

    study: 1.0%
  • WebMCPCould not check

    Register key actions such as search or cart as WebMCP tools.

    study: 0.0%
  • ARD manifestNot met

    Publish an ai-catalog.json listing every agent interface.

    study: 0.2%

Score 28 of 100 · 97% of checks could run · checked on October 9, 2026 · www.stblaw.com · 2,200 companies scanned

See how every company did, and how this was measured.

AI readinessSection 10

The checks behind the AI readiness score

3 of 14 passed. This list is for your technical team. The percentage is how many companies in the study pass each check.

These 14 checks ran during the audit and are what the AI readiness part of the overall score counts. The scan above ran later and is stricter on Link headers and Markdown, so a check can pass here and not there.

Show the 14 checks

Discoverability

  • Passedrobots.txt publishedstudy: 85.1%
  • PassedXML sitemapstudy: 79.4%
  • Not metHTTP Link headers (RFC 8288)study: 42.5%

Content Accessibility

  • Not metMarkdown content negotiationstudy: 7.4%
  • Not metllms.txt publishedstudy: 28.1%
  • PassedToken budget (page weight)study: 97.3%

Bot Access Control

  • Not metExplicit AI bot rulesstudy: 11.5%

API / Auth / MCP

  • Not metAPI Catalog (.well-known/api-catalog)study: 1.1%
  • Not metOAuth Authorization Server discoverystudy: 5.2%
  • Not metOAuth Protected Resource discoverystudy: 4.6%
  • Not metMCP Server Cardstudy: 0.2%
  • Not metA2A Agent Cardstudy: 0.0%
  • Not metWebMCP toolsstudy: 0.3%
  • Not metAgent Skills declaredstudy: 0.1%
AI crawlersSection 11

What AI crawlers may read (robots.txt)

This website sets no rules for any AI crawler by name, like 86% of the websites whose rules we could read. Every AI crawler follows its general rules.

Training AI

  • GPTBotpartly
  • ClaudeBotpartly
  • Anthropic-AIpartly
  • Google-Extendedpartly
  • Applebot-Extendedpartly
  • Meta-ExternalAgentpartly
  • FacebookBotpartly
  • Bytespiderpartly
  • CCBotpartly
  • Diffbotpartly
  • Omgilibotpartly

AI search

  • OAI-SearchBotpartly
  • Claude-SearchBotpartly
  • PerplexityBotpartly
  • Applebotpartly
  • Amazonbotpartly
  • YouBotpartly

Answering questions

  • ChatGPT-Userpartly
  • Claude-Userpartly
  • Perplexity-Userpartly
  • DuckAssistBotpartly
  • MistralAI-Userpartly

Read from the website’s own rules file (robots.txt). An asterisk marks a crawler the file names. The rest follow its general rules. “Partly” means only some pages are blocked.

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ShareSection 12

Share this result

Overall score 36 of 100 badge for Simpson Thacher & Bartlett

A badge of this result that you can show on your own website. Copy the code below.

<a href="https://aeo-audit.rezolve.com/us/finance/stblaw.com"><img src="https://aeo-audit.rezolve.com/finance/badges/stblaw.com.svg" alt="Overall score 36 of 100, Finance AI Visibility Study 2026" width="280" height="64"></a>
End of statement
All 2,219 companiesHow we measured this
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