Streamline FedRAMP and RMF security control assessments with an AI-powered assistant for control lookup, artifact analysis, and SAR-ready write-up generation.

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Course on CoAssessor. Write SAR-ready security control writeups in hours, not days.

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Subscription — Subscription on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Pricing — One plan, published openly: $49/month after a 30-day free founding trial. No credit card to start. Cancel anytime. 5-hour time-savings guarantee.
About — About on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Contact — Contact on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Dashboard — Dashboard on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Courses — Free NIST 800-53 Rev 5 course taught by Kamil Zakari (CISSP, CISM, CISA), creator of the KamilSec channel. Included with your CoAssessor founding trial.
Assessment Chat — Assessment Chat on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Assessment Navigator — Assessment Navigator on CoAssessor. Write SAR-ready security control writeups in hours, not days.
AC Controls Analysis — ACControls Analysis on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Accessibility Settings — Accessibility Settings on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Admin Dashboard — Admin Dashboard on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Artifact Analysis — Artifact Analysis on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Audit Log — Audit Log on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Community — Community on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Control Coverage Audit — Control Coverage Audit on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Control Data Validation — Control Data Validation on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Control Gap Analysis — Control Gap Analysis on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Control Lookup — Control Lookup on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Course Editor — Course Editor on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Data Sync Dashboard — Data Sync Dashboard on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Deployment Status — Deployment Status on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Document Library — Document Library on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Document Processing — Document Processing on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Evidence Management — Evidence Management on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Integrations — Integrations on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Members — Members on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
QA Testing Dashboard — QATesting Dashboard on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Reports — Reports on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
SOC Gap Analysis — SOCGap Analysis on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Session Details — Session Details on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
System Monitoring — System Monitoring on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
User Management — User Management on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Writeup Generator — Writeup Generator on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.
Writeup Review — Writeup Review on CoAssessor. Streamline FedRAMP and RMF security control assessments with an AI-powered assis.

Write SAR-ready control assessments in hours, not days.

CoAssessor is the AI-powered NIST SP 800-53 security control assessment platform built for federal compliance professionals. Look up any control in plain English, upload artifacts for instant sufficiency scoring, generate SAR-style writeups in seconds, and track your full assessment in one workspace.

Start Your Free 30-Day Founding Trial

30-day free trial for founding members — no credit card required. Then $49/month. Cancel anytime.

Founding 50: limited seats remaining (updated live on the live site). Includes free NIST 800-53 course by Kamil Zakari (CISSP, CISM, CISA). If CoAssessor doesn't save you at least 5 hours on your next assessment, tell us and we'll refund your month.

What CoAssessor Does

Control Lookup: Search the full NIST SP 800-53 Rev 5 library with plain-language translations and testing procedures
Artifact Analysis: Upload evidence and get instant AI-powered sufficiency scoring
Writeup Generator: Generate SAR-style assessment writeups in seconds
Gap Analysis: Identify compliance gaps across your control baseline
Evidence Management: Track, organize, and link evidence to controls
AI Assessment Chat: Ask assessment questions and get authoritative answers from NIST publications

Built For

Independent Assessors (IAs), Third-Party Assessment Organizations (3PAOs), ISSOs, FedRAMP Consultants, Agency System Owners, and Compliance & Risk Professionals.

Pricing

Professional: $49/month — Full control lookup, artifact analysis, writeup generator, gap analysis, evidence management. 30-day free trial for founding members (no credit card). Cancel anytime, self-service. Your work is never deleted.

View full pricing details →

Frequently Asked Questions

Is my assessment data secure?

CoAssessor runs on hardened cloud infrastructure with encryption at rest and in transit. Access is controlled per-user with role-based permissions, and every action is logged in a full audit trail. Your data is never shared with third parties or used to train models.

Does CoAssessor cover NIST 800-53 Rev 5?

Yes. CoAssessor includes the complete NIST SP 800-53 Rev 5 control catalog — every family, every control, every enhancement — with plain-language translations, testing procedures, and FedRAMP mapping.

Can AI-generated writeups be trusted in a real audit?

CoAssessor drafts the narrative — the assessor reviews and owns the final writeup. Every edit is tracked in a full audit trail. The AI accelerates the first draft; human judgment ensures the final quality. This is an assistive workflow, not a black box.

What does it cost?

Founding members get a 30-day free trial with no credit card required. After the trial, the Professional plan is $49/month. Cancel anytime, self-service. Your work is never deleted.

Free NIST 800-53 Course

Expert-led course on NIST SP 800-53 Rev 5 for working assessors. Taught by Kamil Zakari (CISSP, CISM, CISA). Free for founding members — no credit card required.

Enroll free →

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