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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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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

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PCI 3DS Compliance

ISO Certifications

ISO Certifications

ISO 27001

ISO 42001

ISO 27701

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ISO-20000-1

Privacy Assessments

Privacy Assessments

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US State Privacy Assessments

Microsoft SSPA/DPR Assessment

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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

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EPCS-DEA Audits

Health Data Host (HDS) Certification

Penetration Testing

Penetration Testing

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Social Engineering

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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

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Schellman Training

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Leadership Team

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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.

Will Carlson

Will Carlson is a Senior IT Associate at Schellman in Cincinnati, Ohio. Prior to joining Schellman in 2018, Will was a Senior IT Consultant in the internal audit and financial advisory solution at a national audit firm. Will has worked on a variety of IT projects including SOC examinations, CSA STAR, CIS CSC 20, HITRUST, ISO 27001, IT SOX and Anti-Money Laundering engagements. Through multiple IT audits, Will has acquired holistic knowledge of the best practices for: corporate policy and procedure, risk assessment, change management, logical access, cloud configuration, network & physical security, and data recovery.

Blog Feature

How to Make More Quantifiable Impacts with Philanthropic Endeavours

By: Will Carlson
September 9th, 2021

Every year, millions of people donate to nonprofit organizations with the hope of making a positive impact in their local and greater communities. These statistics speak for themselves:

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