Contact Us

Services

Suite of Services

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.

Download a PDF of All Services

Learning Center

About Us

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 mean our clients experience greater continuity and quality.

Leadership Team
In a sea of sameness, we consistently apply our core values to stand apart.
Corporate Social Responsibility
Our B Corp certification underscores our commitment to a more sustainable future for the marketplace, our people, the community, and the environment.
Careers
Join a team of the industry’s most talented individuals at a company where one of our core values is People First.
Strategic Partnerships
We’re proud to collaborate with a diverse set of providers while remaining steadfast in our commitment to impartiality and independence.

Schellman's 2025 People & Talent Report

2025 People & Talent Report

Certificate Directory

Services

Services

View All Services

SOC & Attestations

SOC & Attestations

SOC 1 / SSAE 18 Examination

SOC 2 Examination

SOC 3 Examination

SOC for Supply Chain

SOC for Cybersecurity

SOC Essentials for Early-Stage Companies

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

ISO 14001

ISO 45001

ISO 50001

Privacy Assessments

Privacy Assessments

Global CBPR & PRP Certification

GDPR Assessment

International Privacy Assessments

US State Privacy Assessments

Microsoft SSPA/DPR 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

DoD IL6

Healthcare Assessments

Healthcare Assessments

HITRUST 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 Services

AI Red Teaming

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

MTCS Certification

ENS Certification

Crypto and Digital Trust

Crypto and Digital Trust

Schellman Training

Schellman Training

Sustainability Services

Sustainability Services

AI Governance

Learning Center

About Us

About Us

Leadership Team

Leadership Team

Corporate Social Responsibility

Corporate Social Responsibility

Careers

Strategic Partnerships

Strategic Partnerships

Certificate Directory

The Schellman Blog

Adam Bush

Blog Feature

Payment Card Assessments | PCI DSS

PCI DSS Compliance FAQ: Script Management and Integrity Validation for Payment Pages

By: Bill Soverns
February 18th, 2026

Managing scripts on payment pages has become a key focus area under PCI DSS, particularly as third-party and dynamically loaded scripts introduce new risk. As attacks targeting client-side scripts continue to increase and PCI DSS v4.x places greater emphasis on ongoing monitoring, organizations are expected to demonstrate not only visibility into payment page scripts, but also effective controls to detect unauthorized changes.

Blog Feature

National Self-Check Month

By: Adam Bush
February 15th, 2021

{