100 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.
Are you a readiness, vCISO, or pentest firm? Get listed, or upgrade to Pro →
What each service is, and which one you need
A short definition of what the service actually does, the signal that tells you when you need it, and a link to the full hub for the comparison, buying guidance, and FAQs. The count next to each is the number of firms in that category right now.
- Readiness firms (69) →
Readiness firms run a gap assessment against the SOC 2 Trust Services Criteria, then help close what is missing (policies, evidence, control design) before your CPA firm opens fieldwork.
You need this if You are starting your first SOC 2 program and nobody in-house has run one before.
- Penetration testing firms (60) →
Penetration testing firms run authorized, hands-on tests of web applications, APIs, cloud infrastructure, mobile products, or networks, then document exploitable paths and remediation priorities.
You need this if A customer, risk program, product release, or assurance requirement calls for independent testing. For Trust Services Criteria mapping, use the narrower SOC 2 pentest directory.
- vCISO firms (51) →
A vCISO is a part-time outside security leader who owns the program: policy, risk decisions, vendor questions, and the relationship with your auditor, without a full-time hire.
You need this if Someone needs to be accountable for security decisions, and a full-time CISO is not the right size for where you are yet.
- ISO 27001 firms (36) →
ISO 27001 consultants build and run the Information Security Management System the certification requires, often alongside SOC 2 for companies pursuing both.
You need this if A customer or region requires ISO 27001 specifically, or you want SOC 2 and ISO 27001 to share one evidence program instead of two.
- Compliance consulting firms (74) →
Compliance consultants run the SOC 2 program day to day: control ownership, evidence collection, vendor risk, and coordination with your auditor, broader than a one-time readiness push.
You need this if You want an ongoing outside partner running the program year to year, not just a push to your first audit.
Certification is a separate buying path
An ISO 27001 consultant can build and prepare your ISMS, but an independent certification body audits it and issues the certificate. Compare ISO 27001 certification companies, then use the ISO 27001 certification cost guide to separate implementation, Stage 1 and Stage 2, surveillance, and recertification costs.
Details to compare before you contact a firm
Each profile gives you the decision details we could establish from the firm’s published material.
- Services and specialties: what the provider says it does, so you can narrow the list before a sales call.
- Fit and engagement context: the type of work, buyer, or problem the firm is set up to handle.
- Verification status: a Verified label means we confirmed the firm and its services from its published material.
All 100 service firms
One row per firm, with services, location, and verification status shown at a glance.
- ReadinessISO 27001Compliance consultingPenetration testingvCISOBahrain, UK, and US · Bahrain
- Adversis VerifiedPenetration testingvCISOReadinessRemote, USA · USA
- Archlight VerifiedReadinessPenetration testingvCISOISO 27001Compliance consultingMinneapolis, MN · USA
- 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
- Cycore VerifiedReadinessvCISOISO 27001Miami, FL · 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
- SECNORA VerifiedPenetration testingReadinessvCISOISO 27001Compliance consultingHaaslava, Estonia and Grapevine, TX · Estonia
- 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
- traztech VerifiedReadinessPenetration testingvCISOISO 27001Compliance consultingToronto, ON · Canada
- 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 to assess a profile, 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?
We list firms when we can describe their services and best-fit context from published material. A Verified label means we confirmed the firm and its services from its own published material. Open a profile to review its specialties, location, pricing signal, and supporting details before you contact a provider.
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.