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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

PCI PIN Assessments

PCI 3DS Compliance

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ISO Certifications

ISO 27001

ISO 42001

ISO 27701

ISO 9001

ISO 22301

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

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Federal Assessments

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CMMC / NIST SP 800-171

FISMA/NIST

ITAR

CJIS

IRAP

FTC Consent Decrees

Healthcare Assessments

Healthcare Assessments

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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

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Jeannette Buttler

Jeannette Buttler is a manager with Schellman based in New York, New York. Prior to joining Schellman in 2021, Jeannette worked as a senior manager, for an accounting firm specializing in IT attestation and compliance services. She also led and supported various other projects, including NYDFS compliance, SOX and SOC projects. Jeannette has over 7 years of experience comprised of serving companies of all sizes, including start-ups, Fortune 1000, and publicly traded companies, with a strong focus on technology (including digital currency and blockchain) and the financial services sector. Jeannette is now focused primarily on SOC engagements for organizations across various industries.

Blog Feature

Compliance and Certification | SchellmanLife

Five Best Qualities Of An Auditor

By: Jeannette Buttler
June 25th, 2022

If you ever went to college, you might remember how you considered where you wanted to go. The academic distinction, the on-campus facilities, their post-degree outlook—you wanted the best of the best education if you were going to pay a premium for the experience.

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