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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 delivered by full-time employees. No outsourcing. No compromises.

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About Us

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 (low-to-no team churn = less audit fatigue) mean our clients experience greater continuity and quality.We also understand how distracting unplanned work can be, so we focus on client-centric KPIs to help keep your business moving uninterrupted.

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SOC & Attestations

SOC & Attestations

SOC 1 / SSAE 18 Examination

SOC 2 Examination

SOC 3 Examination

SOC for Supply Chain

SOC for Cybersecurity

C5 Attestation

CSA STAR Programs

Payment Card Assessments

Payment Card Assessments

PCI DSS Validation

PCI SSF

PCI P2PE Validation

PCI PIN Assessments

PCI 3DS Compliance

ISO Certifications

ISO Certifications

ISO 27001

ISO 42001

ISO 27701

ISO 9001

ISO 22301

ISO-20000-1

Privacy Assessments

Privacy Assessments

APEC Certification

GDPR Assessment

International Privacy Assessments

US State Privacy Assessments

Microsoft SSPA/DPR Assessment

Privacy Program Assessment

FERPA Assessment

EU Cloud Code of Conduct

Federal Assessments

Federal Assessments

FedRAMP®

CMMC / NIST SP 800-171

FISMA/NIST

ITAR

CJIS

IRAP

FTC Consent Decrees

Healthcare Assessments

Healthcare Assessments

HITRUST CSF Certification

HIPAA Compliance

HIPAA Express

EPCS-DEA Audits

Health Data Host (HDS) Certification

Penetration Testing

Penetration Testing

Application

Network

Mobile

Social Engineering

Cloud

Physical

Hardware and IoT

Advanced Series

Cybersecurity Assessments

Cybersecurity Assessments

Cloud Configuration Assessments

Ransomware Assessments

NIST Cybersecurity Framework Assessments

Schellman Software Security Assessment (S³A)

TISAX®

SWIFT Customer Security Programme

Internal Audit Co-Sourcing

Crypto and Digital Trust

Crypto and Digital Trust

Schellman Training

Schellman Training

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Sustainability Services

AI Services

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About Us

Leadership Team

Leadership Team

Corporate Social Responsibility

Corporate Social Responsibility

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Strategic Partnerships

Strategic Partnerships

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Blog

The Schellman Blog

Stay up to date with the latest compliance news from the Schellman blog.

CHRIS SCHELLMAN

Chris Schellman is the CEO and Founder of Schellman, which is an accredited CPA Firm, PCI QSA Company, ISO 27001 Registrar, FedRAMP 3PAO, and a HITRUST CSF Assessor. He began his career focusing on IT audits and SAS 70’s and has now contributed to nearly 2,000 SOC examinations.

Blog Feature

SOC Examinations

5 Things You Should Already Know About SSAE 16

By: CHRIS SCHELLMAN
May 16th, 2010

Last month, the AICPA issued a set of standards that CPAs who do assurance engagements at service companies should examine carefully.

Blog Feature

SOC Examinations

SSAE 16 - An Introduction

By: CHRIS SCHELLMAN
May 10th, 2010

In 2001, an international effort began to “converge” the disparate accounting standards of the world in order to provide a framework that better meets the demands of globalization. The various national standard setting boards have spent years cooperatively developing a single set of international standards to which countries are encouraged to adopt. In the United States, the American Institute of Certified Public Accountants (AICPA) is actively revising and re-codifying many US accounting standards to better align with these new international standards.

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