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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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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

Red Teaming

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.

Blog Feature

Cybersecurity Assessments | TPRM

How to Improve Your TPRM with External Assistance and Validation

By: Sara Mylin
January 16th, 2025

These days, it’s not enough to simply secure your organization—you’ve to ensure your vendors are secure as well. More and more, bad actors aren’t stopping at the first line of infiltration—they’re using the access obtained to penetrate through to affect their victim’s supply chain, making it incredibly important for organizations everywhere to maintain effective and comprehensive third-party risk management (TPRM), something that can be elevated by way of an external assessment.

Blog Feature

ISO Certifications | TPRM

ISO 27001 Third-Party Risk Management Requirements

By: Jenelle Tamura
April 26th, 2012

If your organization is seeking ISO 27001 certification, and you outsource physical hosting to a third-party vendor, you may be wondering if and how to include them in the scope of your Information Security Management System (ISMS).

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