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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

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Leadership Team

Corporate Social Responsibility

Corporate Social Responsibility

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Strategic Partnerships

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The Schellman Blog

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

Bill Soverns

Bill Soverns is a Senior Associate with Schellman based in Dallas, Texas. Prior to joining Schellman, Inc in 2021, Bill worked as the CISO, for a nationwide Contact Center specializing in Information Security oversight and all compliance initiatives including PCI, SOC1, SOC2, HITRUST, and HIPAA. Bill also led and supported various other projects including enterprise wide implementations of various antivirus, FIM, SIEM solutions. Bill has over 30 years of experience comprised of serving clients in various industries, including Contact Centers, Payment processing switches, and financial institutions. Bill is now focused primarily on PCI-DSS assessments for organizations across various industries.

Blog Feature

Payment Card Assessments | PCI DSS

PCI DSS for Security Leaders – How to Take a Proactive Approach

By: Bill Soverns
May 21st, 2024

If you’re a newly hired CISO or Director for an organization that’s required to achieve and maintain PCI DSS, you may be wondering how and where you can get started so that you’re ready when it comes time for the assessment to begin.

Blog Feature

Payment Card Assessments

What Service Providers Should Know About the Updates in PCI DSS v4.0

By: Bill Soverns
April 6th, 2022

When Princess Leia sent R2-D2 to deliver a message to Obi-Wan Kenobi during Star Wars Episode IV: A New Hope, she changed the course of the Rebellion against the Evil Empire in one of science fiction’s most iconic films.

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