97 SOC 2 service firms that prepare you for the audit.
These firms get you ready for SOC 2: readiness and gap work, penetration testing, fractional security leadership, ISO 27001, and broader compliance consulting. They do not issue the report; an independent CPA firm does. Pick a service hub below to compare in depth, or scan the full one-row-per-firm list further down.
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Start with the right hub
Each service has its own hub with the full comparison, buying guidance, and FAQs. The count next to each is the number of firms in that category right now.
- Readiness firms (66) →
Gap assessments and remediation that get you audit-ready before the CPA firm arrives.
- Penetration testing firms (58) →
Independent penetration tests that satisfy the testing many SOC 2 reports expect.
- vCISO firms (47) →
Fractional security leadership to own the program when you have no in-house CISO.
- ISO 27001 firms (33) →
Consultants who run ISO 27001 alongside SOC 2 for buyers who need both.
- Compliance consulting firms (72) →
Broader compliance consulting that runs the program day to day.
All 97 service firms
One row per firm, verified first then alphabetical. The Featured badge never changes the order.
- Adversis VerifiedPenetration testingvCISOReadinessRemote, USA · USA
- Archlight VerifiedReadinessPenetration testingvCISOISO 27001Compliance consultingMinneapolis, MN · USA
- Axipro VerifiedReadinessISO 27001Compliance consultingPenetration testingLondon, United Kingdom · UK
- BEMO VerifiedReadinessPenetration testingvCISOISO 27001Compliance consultingUnited States · USA
- Bishop Fox VerifiedPenetration testingTempe, AZ · USA
- Cobalt VerifiedPenetration testingSan Francisco, CA · USA
- Control and Function VerifiedReadinessISO 27001vCISOCompliance consultingDenver, CO · USA
- Control Logics VerifiedReadinessCompliance consultingTampa, FL · USA
- Coral Esecure VerifiedReadinessPenetration testingISO 27001Compliance consultingNew Jersey, USA · USA
- Cyber Forte VerifiedReadinessPenetration testingISO 27001Compliance consultingMelbourne, VIC · Australia
- CYBRI VerifiedPenetration testingNew York, NY · USA
- Cypro VerifiedReadinessPenetration testingvCISOISO 27001Compliance consultingLondon, UK · UK
- Doyensec VerifiedPenetration testingNew York, NY · USA
- Fortbridge VerifiedPenetration testingLondon, UK · UK
- Fractional CISO VerifiedvCISOReadinessISO 27001Newton, MA · USA
- Genius GRC VerifiedReadinessCompliance consultingvCISOISO 27001Woodstock, GA · USA
- Illumen VerifiedvCISOISO 27001Compliance consultingPacific Northwest, USA · USA
- Include Security VerifiedPenetration testingNew York, NY · USA
- Isecurion VerifiedReadinessPenetration testingvCISOISO 27001Compliance consultingBangalore, India · India
- Latacora VerifiedvCISOReadinessCompliance consultingRemote, USA · USA
- NCC Group VerifiedPenetration testingCompliance consultingManchester, UK · UK
- NetSPI VerifiedPenetration testingMinneapolis, MN · USA
- Neutral Partners VerifiedReadinessISO 27001Compliance consultingMiami, FL · USA
- Practical Assurance VerifiedPenetration testingReadinessvCISOBoston, MA · USA
- Praetorian VerifiedPenetration testingAustin, TX · USA
- Precursor Security VerifiedPenetration testingISO 27001Leeds, UK · UK
- Raxis VerifiedPenetration testingAtlanta, GA · USA
- Rhino Security Labs VerifiedPenetration testingSeattle, WA · USA
- Rhymetec VerifiedvCISOPenetration testingReadinessCompliance consultingISO 27001New York, NY · USA
- Romano Security Consulting VerifiedReadinessvCISOCompliance consultingISO 27001Macclesfield, UK · UK
- RSI Security VerifiedReadinessCompliance consultingPenetration testingSan Diego, CA · USA
- Securis360 VerifiedReadinessPenetration testingISO 27001Compliance consultingPittsburgh, PA · USA
- SideChannel VerifiedvCISOReadinessISO 27001Worcester, MA · USA
- Silent Sector VerifiedReadinessPenetration testingvCISOISO 27001Compliance consultingScottsdale, AZ · USA
- Software Secured VerifiedPenetration testingOttawa, ON · Canada
- Soter Advisory VerifiedReadinessvCISOCompliance consultingISO 27001US · USA
- Sprocket Security VerifiedPenetration testingMadison, WI · USA
- Testpros VerifiedReadinessPenetration testingISO 27001Compliance consultingReston, VA · USA
- Tevora VerifiedCompliance consultingPenetration testingISO 27001Irvine, CA · USA
- Trail of Bits VerifiedPenetration testingNew York, NY · USA
- Trava Security VerifiedReadinessPenetration testingvCISOISO 27001Compliance consultingIndianapolis, IN · USA
- TrustedCISO VerifiedvCISOReadinessISO 27001Remote, USA · USA
- TrustedSec VerifiedPenetration testingFairlawn, OH · USA
- Truvantis VerifiedReadinessPenetration testingvCISOISO 27001Compliance consultingSan Francisco, CA · USA
- URM Consulting VerifiedISO 27001ReadinessCompliance consultingPenetration testingUnited Kingdom · UK
- vCISO.com VerifiedvCISOReadinessISO 27001Pittsburgh, PA · USA
- ReadinessCompliance consultingvCISOPenetration testingBS · Bahamas
- vCISOPenetration testingISO 27001Compliance consultingColombia · Colombia
- ReadinessvCISOCompliance consultingFairfield, CT · USA
- ReadinessCompliance consultingUnited States · USA
- vCISOReadinessCompliance consultingPenetration testingUnited States · USA
- ReadinessvCISOCompliance consultingSan Francisco, CA · USA
- vCISOCompliance consultingMinneapolis, MN · USA
- Penetration testingCompliance consultingClaymont, Delaware (US HQ); New Delhi, India (operations) · USA
- ReadinessPenetration testingvCISOCompliance consultingSofia, Bulgaria · Bulgaria
- ReadinessISO 27001Dublin, Ireland · Ireland
- ReadinessCompliance consultingFort Lauderdale, FL · USA
- ReadinessCompliance consultingUnited States · USA
- ReadinessvCISOCompliance consultingHouston, TX · USA
- Compliance consultingvCISONashville, TN · USA
- ReadinessPenetration testingCompliance consultingLeeds, UK · UK
- ReadinessPenetration testingCompliance consultingWashington, DC · USA
- ReadinessPenetration testingvCISOCompliance consultingNorth Providence, RI · USA
- vCISOCompliance consultingWalton on Thames, UK · UK
- ReadinessPenetration testingISO 27001vCISOCompliance consultingNavi Mumbai, India · India
- ReadinessCompliance consultingLewisville, TX · USA
- vCISOPenetration testingCompliance consultingReadinessUnited States · USA
- ReadinessCompliance consultingPenetration testingvCISOAustin, TX · USA
- ReadinessCompliance consultingNokomis, FL · USA
- ReadinessUSA · USA
- ReadinessPenetration testingvCISOISO 27001Compliance consultingCalicut, Kerala, India · India
- ReadinessCompliance consultingPenetration testingISO 27001United States · USA
- Penetration testingvCISOCompliance consultingNoida, India · India
- Penetration testingCompliance consultingNew York, NY · USA
- ReadinessvCISOCompliance consultingDenver, CO · USA
- ReadinessCompliance consultingUnited States · USA
- ReadinessCompliance consultingSheridan, WY · USA
- ReadinessCompliance consultingBass Harbor, ME · USA
- Penetration testingCompliance consultingMassachusetts, US · USA
- Penetration testingvCISOReadinessCompliance consultingISO 27001Birmingham, UK · UK
- ReadinessCompliance consultingBoston, MA · USA
- Penetration testingCompliance consultingReadinessLeawood, KS · USA
- ReadinessCompliance consultingAkron, OH · USA
- ReadinessvCISOCompliance consultingNew York, NY · USA
- ReadinessCompliance consultingLeawood, KS · USA
- ReadinessvCISOPenetration testingCompliance consultingAnjou, QC · Canada
- ReadinessvCISOPenetration testingCompliance consultingISO 27001Porto, Portugal · Portugal
- ReadinessCompliance consultingUnited States · USA
- ReadinessPenetration testingvCISOCompliance consultingFarmington, UT · USA
- Penetration testingvCISOCompliance consultingBethesda, MD · USA
- ReadinessUSA · USA
- Compliance consultingvCISOSan Mateo, CA · USA
- ReadinessPenetration testingvCISOCompliance consultingNew York, NY · USA
- ReadinessvCISOCompliance consultingAshburn, VA · USA
- Compliance consultingCoventry, RI · USA
- Penetration testingNew York, NY · USA
- vCISOCompliance consultingUnited States · USA
SOC 2 service firms: frequently asked questions.
What a service firm is, why it cannot also audit you, how we order the list, and whether SOC 2 requires any of this.
What is a SOC 2 service firm versus a SOC 2 auditor?
A service firm prepares you for the audit: readiness and gap work, penetration testing, fractional security leadership, ISO 27001, or broader compliance consulting. It does not issue the report. The SOC 2 report itself is an attestation that only an independent CPA firm can sign. Use this directory to get ready; use an auditor to get attested.
Can the same firm do my readiness work and my SOC 2 audit?
No. Auditor independence rules prevent the firm that performs your readiness or remediation work from also issuing your SOC 2 report. That is why we keep this support directory strictly separate from the auditor directory. A readiness consultant gets you prepared; an independent CPA firm performs the attestation.
How are the firms ordered and verified?
Ordering is payment-blind: verified firms first, then alphabetical by name. The Featured badge is display-only and never reorders the list, so a paid placement can never jump the queue. Verified means we confirmed the firm and its services from its own published material; an unverified or thin record is not shown here.
Does SOC 2 require these services?
SOC 2 does not formally require readiness work, a vCISO, or a separate compliance consultant. Many companies use them to close gaps and run the program faster, and a penetration test is commonly expected to support the report, but the only mandatory party is the independent CPA firm that issues the attestation. You can engage as many or as few of these services as you need.