Audit firms in Ohio

HITRUSTHIPAA

Dublin, Ohio healthcare security and compliance firm listed as a HITRUST External Assessor; offers HIPAA risk assessments.

Dublin, Ohio

PCI DSSISO 27001ISO 27701

Cleveland-headquartered professional services company; its CBIZ Security & Compliance, LLC unit is a PCI Qualified Security Assessor company and an ANAB-accredited ISO/IEC 27001 and 27701 certification body.

Cleveland, Ohio · Tampa, Florida

SOC 1SOC 2HITRUSTCMMC

CPA and advisory firm with offices across the US; performs SOC 1 and SOC 2 examinations and is listed as a HITRUST External Assessor and CMMC C3PAO.

Raleigh, North Carolina · Carlsbad, California · Torrance, California · +51 more

ISO 27001

Dayton, Ohio management system certification body (EAGLE Registrations Inc.) accredited by ANAB for ISO/IEC 27001 certification.

Dayton, Ohio

HITRUSTPCI DSSCMMC

US accounting and advisory firm with offices in many states; listed as a PCI QSA, HITRUST External Assessor and CMMC C3PAO.

Charlotte, North Carolina · Appleton, Wisconsin · Asheville, North Carolina · +72 more

PCI DSSFedRAMPCMMC

Centerville, Ohio assessment firm; the Ignyte entities are listed as a FedRAMP 3PAO, CMMC C3PAO and PCI QSA.

Centerville, Ohio

CMMC

Cybersecurity and managed security firm in Akron, Ohio; authorized CMMC Third-Party Assessment Organization (C3PAO).

Akron, Ohio

SOC 1SOC 2HITRUST

Ohio CPA and advisory firm offering SOC 1 and SOC 2 reporting and HITRUST assessments, with offices in Ohio and Florida.

Cleveland, Ohio · Columbus, Ohio · Canton, Ohio · +3 more

SOC 1SOC 2

Licensed CPA firm headquartered in Cleveland, Ohio, performing SOC 1 and SOC 2 examinations, with offices in Ohio and New Jersey.

Cleveland, Ohio · Akron, Ohio · Lakewood, New Jersey

SOC 1SOC 2HITRUSTPCI DSS

Accounting and advisory firm with offices in Michigan, Illinois, Colorado, Ohio and other states; its cybersecurity practice covers SOC 1 and SOC 2 reporting, PCI DSS and HITRUST.

Southfield, Michigan · Broomfield, Colorado · Denver, Colorado · +17 more

SOC 1SOC 2HITRUSTPCI DSS +1

Pittsburgh-based CPA and advisory firm with offices in Columbus and McLean; performs SOC examinations and is listed as a PCI QSA, HITRUST External Assessor and CMMC C3PAO.

Pittsburgh, Pennsylvania · Columbus, Ohio · McLean, Virginia

SOC 1SOC 2PCI DSS

Accounting, technology and advisory firm with US offices in the Midwest, Mid-Atlantic and New England and offices in India; its services include SOC reporting and PCI DSS assessments.

Chicago, Illinois · Alexandria, Virginia · Marlborough, Massachusetts · +13 more

ISO 27001CMMC

Fairlawn, Ohio certification body accredited by ANAB for ISO/IEC 27001 certification and listed as an authorized CMMC Third-Party Assessment Organization (C3PAO).

Fairlawn, Ohio

PCI DSS

Fairlawn, Ohio-based cybersecurity firm offering penetration testing, incident response and compliance services, including PCI DSS assessments as a QSA company.

Fairlawn, Ohio

FedRAMP

GMS Registrar appears on the FedRAMP Marketplace — recognized assessors (3PAO) as of 2026-10-27. This firm appears on the official registry, not independently verified by Agent Index.

Highland Heights, Ohio

FedRAMPGovRAMP

RISC Point appears on the FedRAMP Marketplace — recognized assessors (3PAO) as of 2026-10-27. This firm appears on the official registry, not independently verified by Agent Index.

Cleveland, Ohio