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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

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SOC 1 / SSAE 18 Examination

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Crypto and Digital Trust

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The Schellman Blog

Joe Sigman

Joe Sigman is a Manager with Schellman based in Denver, Colorado. Prior to joining Schellman in 2021, Joe worked as a Senior Associate at a management consulting firm specializing in IT strategy and compliance, solution architecture, and enterprise digital transformation. Joe has led and supported AI Assessments, Cybersecurity Assessments, Information Security Architecture Solutioning, Information Technology Gap Analysis, and Cloud Migration Roadmaps. Joe has over 6 years of experience comprised of serving clients in various industries, including Information Technology, Professional Services, Healthcare, and Energy. Joe is now focused primarily on ISO Certifications for organizations across various industries.

Blog Feature

Artificial Intelligence | ISO 42001

AI Governance Explained: Why It Matters and What Mature Programs Require

By: Joe Sigman
March 30th, 2026

As organizations scale their use of AI systems in key business processes, customer-facing products, and high impact decisions, the question is no longer whether AI can deliver value, but whether it can be deployed in a way that is reliable, secure, fair, and sustainable over time.

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