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Schellman began as a SOC audit firm 20+ years ago. While we still issue more than 2,000 SOC reports each year, our clients’ trust has propelled our expansion. Today, we offer nearly 60 types of audits and assessments.

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Schellman is the only Top 50 CPA firm focused exclusively on IT Compliance and Cybersecurity, and we’re the #1 service provider for FedRAMP Assessments. Our industry-leading NPS scores, client retention, and employee retention mean our clients experience greater continuity and quality.

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SOC & Attestations

SOC & Attestations

SOC 1 / SSAE 18 Examination

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Privacy Assessments

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Cybersecurity Assessments

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Schellman Software Security Assessment (S³A)

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Crypto and Digital Trust

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The Schellman Blog

Matthew Gierl

Matthew Gierl is a Senior Associate with Schellman. Prior to joining the firm in February of 2018, Matthew worked as a IT Risk Consultant specializing in SOC 1 and SOC 2 testing. As a Senior Associate with Schellman, Matt is now focused primarily on helping organizations across various industries achieve different ISO certifications.

Blog Feature

ISO Certifications

What are the ISO 22301 Requirements?

By: Matthew Gierl
January 9th, 2024

ISO 22301 is structured much like other ISO management system standards, featuring introductory clauses (1–3) alongside its core requirement clauses (4–10). Of these, Clause 8 (Operation) is the linchpin of standing up a Business Continuity Management System (BCMS) and achieving ISO 22301 certification.

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