Zero Day CPA
Zero Day CPA is a Michigan-based boutique accounting firm focused on SOC 1, SOC 2, and HIPAA audits for B2B SaaS and service organizations. It offers readiness assessments, gap analyses, and Type I, Type II, and combined-framework audits with on-site or remote delivery.
At a glance
| Headquarters | West Bloomfield, Michigan |
|---|---|
| Founded | Not disclosed |
| Firm type | Boutique licensed CPA firm (Zero Day CPA, PC) |
| Type 2 planning range | $7K–$10K (published planning range (Sept 2026)) |
| Typical fieldwork window | 2–6 wk |
| Frameworks (per firm) | SOC 1, SOC 2, SOC 3, HIPAA |
| Official website | zerodaycpa.com |
Best fit
Early-stage startups that want a low-cost, flexible first SOC 2 with direct partner access.
Before you engage
A small boutique — confirm capacity, timelines, and which legal entity signs your report.
Questions about Zero Day CPA
What does Zero Day CPA's $7K–$10K planning range cover?
Our planning range for a standard startup Type 2, compiled from published materials in September 2026. It is not a quote: scope, added Trust Services Criteria, and readiness work move the final fee.
Is Zero Day CPA a licensed firm that can sign a SOC 2 report?
It is listed as a boutique licensed CPA firm (Zero Day CPA, PC). SOC 2 reports must be signed by a licensed CPA firm — confirm the license and which legal entity signs your report before engaging.
Does Zero Day CPA cover HIPAA or ISO 27001 too?
Public materials list SOC 1, SOC 2, SOC 3, and HIPAA. ISO 27001 is not listed — ask directly if you need it.
Get a scoped quote
Audit fees depend on your size, scope, and readiness. Get comparable quotes from Zero Day CPA and similar licensed firms.
Request quotes from Zero Day CPA & peersFree · No obligation · Takes 2 minutes
Alternatives to Zero Day CPA
Comparable firms buyers also evaluate — same buyer stage, different trade-offs:
Thoropass
Auditor-led assurance practice · From $9,995
Prescient Assurance
AICPA-accredited SOC audit firm · pricing on request
MJD Advisors
SOC-focused licensed CPA firm · $15K–$35K
Compare quotes from these firms
One request reaches the firms above — scoped quotes, free, no obligation.
How it works: tell us once (4 questions, 2 min) → we match licensed auditors to your size and scope → they send scoped quotes directly. Free, no obligation.
← All auditors · SOC 2 cost guide · How to choose an auditor