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Vendor comparison · 2 companies

Grant Thornton vs GuidePoint Security

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  • Grant Thornton
  • GuidePoint Security
Grant Thornton vs GuidePoint Security: Products, Customers and Funding Compared
Grant ThorntonGrant Thornton sells cybersecurity advisory services that help security and privacy programs operate continuously through connected initiatives.grantthornton.comGuidePoint SecurityGuidePoint Security sells cybersecurity consulting services alongside managed security services and vulnerability management and penetration testing engagements.guidepointsecurity.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 as a Service[4]AppSec tooling expertise to identify vulnerabilities. It also provides remediation recommendations.
  • AI-augmented Application Security Services[4]Application security assessments that incorporate AI with expert oversight.
  • Agentic AI Security Services[4]Visibility and control of autonomous AI across its entire lifecycle.
Categories
Headquarters
Not stated on its pagesReston, United States[2]
Founded
Not stated on its pages2011[2]
Ownership and funding
Not stated on its pagesPrivately held[3][7]
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]
  • September 15, 2026GuidePoint Security expanded its Identity and Access Management practice with three new service offerings.[6]
  • July 7, 2026GuidePoint Security appointed Scott Rachford as Chief Executive Officer, effective immediately, succeeding founder Michael Volk, who becomes Executive Chairman.[5]
G2 and Gartner Peer Insights
  • G2: listed, seen November 3, 2026[3]
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 3, 2026[7]
  • 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.From its own pages, GuidePoint Security sells mainly to small and mid-sized businesses, global enterprises and government agencies across nearly every major industry. Its network services are described for both enterprise and government IT environments. Its cloud offerings address organizations running multi-cloud environments or AWS, Azure, Google or Oracle. Its managed offerings are described for organizations that need certain skills and resources within their cybersecurity program.
Last verified
October 14, 2026September 27, 2026

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

GuidePoint Security full record

  1. [1]guidepointsecurity.comGuidePoint Security · guidepointsecurity.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Guidepoint security opens new global headquarters amid continued growthGuidePoint Security · guidepointsecurity.com · published June 3, 2025 · Tier A
  3. [3]Guidepoint security attracts new round of growth capitalGuidePoint Security · guidepointsecurity.com · published October 10, 2023 · Tier A
  4. [4]Cybersecurity Consulting Services | GuidePoint SecurityGuidePoint Security · undated page, accessed October 25, 2026 · Tier A
  5. [5]GuidePoint Security Appoints Scott Rachford as Chief Executive OfficerBusiness Wire · published July 7, 2026 · Tier A
  6. [6]GuidePoint Security Expands Identity and Access Management Practice With Three New Service OfferingsBusiness Wire · published September 15, 2026 · Tier A
  7. [7]GuidePoint Security LLC Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 25, 2026 · Tier C
  8. [8]Cloud Security Assessments | GuidePoint SecurityGuidePoint Security · undated page, accessed November 3, 2026 · Tier A
  9. [9]Cybersecurity Services | GuidePoint SecurityGuidePoint Security · undated page, accessed November 3, 2026 · Tier A

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