Fast, Predictable Audit Delivery
Our proven, structured audit process delivers CPA-issued reports in as little as four weeks—helping you meet customer, investor, and sales deadlines without sacrificing quality.
Trusted SOC 2 & HIPAA Audit Firm for SaaS and Cloud-First Companies
Reliable Expertise for Your Business Journey
Zero Day, recognized as an industry leader, provides unparalleled audit and penetration testing services. Our dedication to excellence is reflected in our specialization across SOC 1, SOC 2 (Type I & II), penetration testing, and HIPAA—making us the trusted partner for B2B, SaaS, and a spectrum of industries.
Meet the TeamCompanies that trust Zero Day
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Our Mission
Audits Built for Cloud Speed—Without Compromise
We help cloud-native companies complete SOC 2 and HIPAA audits in weeks, not quarters — without sacrificing independence or audit quality.
Licensed, U.S.-Based CPA Firm
ZeroDay is a fully licensed, U.S.-based CPA firm, providing independent audits that meet AICPA standards and are trusted by enterprise customers and regulators.
Deep GRC Platform Integrations
We integrate directly with leading GRC platforms like Drata, Vanta, Secureframe, TrustCloud, and Sprinto to automate evidence collection and reduce audit friction.
Clear, Transparent Communication
Our clients experience a clearly defined scope, consistent communication, and full visibility into each stage of the audit—so you always know what's happening and what's next.
Proven Client Satisfaction
With high client retention and consistent 5-star feedback, ZeroDay is trusted as a long-term compliance partner—not just a one-time audit provider.
Fast, structured audits without sacrificing quality.
A 4-Week SOC 2 & HIPAA Audit Process for Cloud-Native Teams
Our proven four-week audit process helps SaaS companies complete SOC 2 audits, HIPAA compliance audits, and other audit services on a predictable timeline—from readiness assessment through final CPA-issued report.
- Week 1
Kickoff & Scope
Compliance onboarding, GRC setup, and audit scope definition.
- Week 2
Policy & Evidence
Policy templates delivered, system description drafted, evidence uploaded.
- Week 3
Remediate & Finalize
Control gaps identified and resolved, evidence finalized.
- Week 4
Audit & Report
Testing completed and your CPA-issued report is reviewed, signed, and delivered.
Certifications and Achievements
Over 20 years of combined compliance experience
We've worked with companies at every stage—from early startups to established enterprises—helping them navigate complex regulatory requirements with clarity, speed, and confidence.
20+ YRS
Decades of hands-on expertise in compliance, auditing, and cloud-native environments.
98%
Of our clients continue to work with us year after year.
4 Weeks
Typical delivery for a high-quality, CPA-issued audit report.
Our Team
Led by Compliance and Security Experts
ZeroDay's team is made up of licensed CPAs, cybersecurity professionals, and compliance specialists with deep experience supporting SaaS, cloud-native, and regulated organizations through complex audits and security requirements.
PS
Patrick Sesi
Co-Founder & CTO
Background in cloud security and compliance delivery. Leads onboarding, system review, and audit strategy.
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Lance Samona
Managing CPA
Licensed U.S. CPA responsible for final report review and issuance.
JG
Jaime Guri
Account Manager
Guides clients through scheduling, communication, and day-to-day audit coordination.
Fast audits. Clear guidance. Real results.
What Our Clients Say
“Patrick explained the process clearly and kept us on track. The report was delivered on time, exactly as promised.”
“Zero Day gave us confidence throughout the SOC 2 process. The audit was fast, smooth, and collaborative.”
“By far the most responsive audit team we've worked with. They understand startups and move fast.”
Credentials
Independent, Standards-Based Assurance
Our audits are performed by a licensed CPA firm, with SOC reports issued in accordance with AICPA AT-C 105 and 205 and HIPAA evaluations mapped directly to federal regulatory requirements—each report signed by a licensed CPA.
Consult with us today!
Fill out the form to schedule a free, 30-minute consultation with a senior-level compliance expert today!
Why Work with Us:
- Speed Without Compromise
- Deep, Specialized Expertise
- Seamless, Modern Process