CISO Tribune

Vendor comparison · 2 companies

Grant Thornton vs Trail of Bits

Grant Thornton sells cybersecurity advisory services that help security and privacy programs operate continuously through connected initiatives. Trail of Bits sells security reviews and engineering services across application security, cryptography, blockchain, AI/ML, low-level systems, and software supply chain. CISO Tribune files both under Security consulting and advisory. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Grant Thornton
  • Trail of Bits
Grant Thornton vs Trail of Bits: Products, Customers and Funding Compared
Grant ThorntonGrant Thornton sells cybersecurity advisory services that help security and privacy programs operate continuously through connected initiatives.grantthornton.comTrail of BitsTrail of Bits sells security reviews and engineering services across application security, cryptography, blockchain, AI/ML, low-level systems, and software supply chain.trailofbits.com
What it sells
  • Technology Modernization[2][6]Advisory work on updating an organization's technology.
  • Outsourcing Services[5]Outsourcing services that keep clients focused on their core.
  • Application Security[1][2][3]Code, cloud, and architecture review that finds the root cause and the fix for the whole bug class.
  • Blockchain[1][2][3]Review of every layer of a blockchain system, from smart contracts to nodes and bridges.
  • Cryptography[1][2][3]PhD-level cryptographers build and break real protocols.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • November 2, 2026Grant Thornton Advisors announced, together with New Mountain Capital and CBIZ, that it completed its $5 billion acquisition of CBIZ.[13]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: listed, seen November 3, 2026[3]
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, Grant Thornton sells audit services to private equity-backed and owner-managed companies. Not-for-profit and higher education organizations are named as audit clients. Grant Thornton's cybersecurity advisory services are aimed at security and privacy programs. Adopters of blockchain, digital assets and Web3 are named as a group Grant Thornton serves. Grant Thornton's buy-side diligence draws on partnership with private equity investors.Trail of Bits describes review work for blockchain systems, covering smart contracts, nodes, and bridges. Trail of Bits describes security work on AI systems, from training data to deployed agent loops. Trail of Bits describes advising on the security challenges that come with advancing health research infrastructure.
Last verified
October 14, 2026October 19, 2026

Where they overlap

  • Security consulting and advisory is the primary category of both Grant Thornton and Trail of Bits.

Where they differ, field by field

  • Trail of Bits is also filed under AI model and agent security, Static application security testing and Software supply chain security.
  • Grant Thornton lists Technology Modernization and Outsourcing Services. Trail of Bits lists Application Security, Blockchain and Cryptography.

How they differ

CISO Tribune files both Grant Thornton and Trail of Bits under Security consulting and advisory as their primary category. CISO Tribune also files Trail of Bits under AI model and agent security, Static application security testing, and Software supply chain security. Grant Thornton sells cybersecurity advisory services aimed at security and privacy programs, along with data privacy consulting and identity governance and access management capabilities. Its other offerings include technology modernization, outsourcing services, audit services, and tax work.

Trail of Bits sells security reviews and engineering services across application security, cryptography, blockchain, AI/ML, low-level systems, and software supply chain. Its blockchain work covers every layer, from smart contracts to nodes and bridges, and its AI review runs from training data to deployed agent loops. Trail of Bits also maintains more than 100 open-source projects, among them Slither, Echidna, and Manticore. Both companies name blockchain among the areas they work in, Grant Thornton for adopters of blockchain, digital assets and Web3 and Trail of Bits for system review.

Grant Thornton names private equity-backed and owner-managed companies as audit clients, along with not-for-profit and higher education organizations. Grant Thornton works across a network of 156+ markets. On November 2, 2026, Grant Thornton Advisors announced with New Mountain Capital and CBIZ that it completed its $5 billion acquisition of CBIZ. Trail of Bits works with ARPA-H on security challenges in health research infrastructure. Trail of Bits also evaluated a frontier large language model on offensive security tasks for the UK's Frontier AI Taskforce.

What it sells: Grant Thornton

What Technology Modernization does[2][6]
Grant Thornton's technology modernization team applies deep technology, data, cloud and automation experience with proven partners to find the path to client goals. Offerings named include IT strategy, application portfolio strategy and IT cost optimization.

What it sells: Trail of Bits

What Blockchain does[1][2][3]
Trail of Bits reviews every layer of a blockchain system, from smart contracts to nodes and bridges, backed by Slither, Echidna, and Medusa. Trail of Bits maintains Slither, Echidna, and Manticore alongside the Building Secure Contracts guide.
What Cryptography does[1][2][3]
Trail of Bits employs PhD-level cryptographers who build and break real protocols, from zero-knowledge proofs and MPC to post-quantum migrations. Trail of Bits pulls cryptographers, compiler people, and systems engineers onto the same review.

Questions about Grant Thornton and Trail of Bits

What do Grant Thornton and Trail of Bits sell?
Grant Thornton sells Technology Modernization and Outsourcing Services. Trail of Bits sells Application Security, Blockchain and Cryptography.
Are Grant Thornton and Trail of Bits in the same category?
Yes. Security consulting and advisory is the primary category of both on CISO Tribune.
Who are Grant Thornton and Trail of Bits sold to?
From its own pages, Grant Thornton sells audit services to private equity-backed and owner-managed companies. Trail of Bits describes review work for blockchain systems, covering smart contracts, nodes, and bridges.
What have Grant Thornton and Trail of Bits announced recently?
November 2, 2026: Grant Thornton Advisors announced, together with New Mountain Capital and CBIZ, that it completed its $5 billion acquisition of CBIZ.

About Grant Thornton

Grant Thornton sells cybersecurity advisory services that help security and privacy programs operate continuously through connected initiatives. Grant Thornton states that organizations need better visibility across relevant identities, data, systems and third-party relationships. Grant Thornton says cyber, AI, fraud, compliance and audit risks increasingly overlap, but many organizations still manage them in silos.[1]

Grant Thornton offers data privacy consulting to protect sensitive information and support business objectives. Grant Thornton names identity governance and access management capabilities to protect critical systems and information. Grant Thornton names information security consulting and cyber defense to strengthen resilience against evolving threats. In Grant Thornton's 2026 AI Impact Survey, seventy-eight percent of business executives lack strong confidence that they could pass an independent AI governance audit within 90 days.[1][4]

Grant Thornton says cyber, risk, compliance, privacy and resilience challenges are interconnected. Grant Thornton says it helps organizations manage risk as a connected system through integrated risk management, specialized expertise and solutions designed for measurable outcomes. Grant Thornton Advisors launched a Quantitative Risk service and CoE to support growing demand for risk, modelling and analytics expertise.[5]

Grant Thornton says its Outsourcing Services keep clients focused on their core. Grant Thornton says it guides every stage of a client's automation journey. Grant Thornton's technology modernization team applies deep technology, data, cloud and automation experience with proven partners to find the path to client goals. Grant Thornton names IT strategy, application portfolio strategy and IT cost optimization among its offerings. Grant Thornton and Stax have united to provide end-to-end insight across the full M&A value chain. Grant Thornton's buy-side diligence is grounded in decades of partnership with private equity investors. Grant Thornton offers Exit Planning and Sell-side Diligence for management teams, sponsors and advisors. For a transaction that involves a carve-out, Grant Thornton assists with the transitional services agreements (TSAs), planning and post-close management of the project.[5][6]

Grant Thornton's Enterprise Assurance Services bring independent attestation and certification under a single, integrated delivery model. Grant Thornton's professionals perform audits of companies across the globe. Grant Thornton says its audits combine predictive modeling, patented ledger analytics technology and artificial intelligence. Grant Thornton says it uses its technology to test full populations of data rather than sampling. Grant Thornton says its teams deliver audits under PCAOB standards. Grant Thornton tailors audit services for private equity-backed and owner-managed companies. Grant Thornton says not-for-profit and higher education organizations need audit providers who understand their priorities and invest in lasting relationships. Grant Thornton says it can help adopters of blockchain, digital assets and Web3 overcome obstacles.[8][10]

On tax, Grant Thornton says its focus is saving time and money, without sacrificing quality, while helping clients take advantage of enterprise tax automation. Grant Thornton says it can help businesses transform VAT/GST compliance.[11]

Grant Thornton works across a network of 156+ markets. Grant Thornton describes alyx as a streamlined platform that connects real people with the right resources and latest tech.[1][12]

Grant Thornton on the record

Sources

Grant Thornton full record

  1. [1]Cyber & Privacy | Grant ThorntonGrant Thornton · undated page, accessed October 14, 2026 · Tier A
  2. [2]Audit & Assurance, Tax and Advisory Services | Grant ThorntonGrant Thornton · undated page, accessed November 1, 2026 · Tier A
  3. [3]Grant Thornton Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed November 1, 2026 · Tier C
  4. [4]2026 AI Impact Survey Report | Grant ThorntonGrant Thornton · undated page, accessed November 3, 2026 · Tier A
  5. [5]Advisory Services | Grant ThorntonGrant Thornton · undated page, accessed November 3, 2026 · Tier A
  6. [6]Technology Modernization | Grant ThorntonGrant Thornton · undated page, accessed November 3, 2026 · Tier A
  7. [7]Transaction Advisory | Grant ThorntonGrant Thornton · undated page, accessed November 3, 2026 · Tier A
  8. [8]Audit & Assurance Services | Grant ThorntonGrant Thornton · undated page, accessed November 3, 2026 · Tier A
  9. [9]Financial Statement Audits | Grant ThorntonGrant Thornton · undated page, accessed November 3, 2026 · Tier A
  10. [10]Audit Technology Services | Grant ThorntonGrant Thornton · undated page, accessed November 3, 2026 · Tier A
  11. [11]Tax Technology & Transformation | Grant ThorntonGrant Thornton · undated page, accessed November 3, 2026 · Tier A
  12. [12]About Grant Thornton | Grant ThorntonGrant Thornton · undated page, accessed November 3, 2026 · Tier A
  13. [13]Newsroom | Grant ThorntonGrant Thornton · published November 2, 2026 · Tier A

Trail of Bits full record

  1. [1]trailofbits.comTrail of Bits · trailofbits.com · undated page, accessed October 19, 2026 · Tier A
  2. [2]About · Trail of BitsTrail of Bits · undated page, accessed November 10, 2026 · Tier A
  3. [3]Services · Trail of BitsTrail of Bits · undated page, accessed November 10, 2026 · Tier A
  4. [4]Ruby Security Field Guide — Guide · Trail of BitsTrail of Bits · undated page, accessed November 10, 2026 · Tier A
  5. [5]Offchain Security Council Rotation · Trail of BitsTrail of Bits · undated page, accessed November 10, 2026 · Tier A

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