Lessons Learned from Assessing Over 200 FedRAMP Offerings: Key Insights from the #1 FedRAMP 3PAO

Schellman is the industry’s #1 FedRAMP Third Party Assessment Organization (3PAO) and has become the first to assess over 200 cloud service offerings on the FedRAMP Marketplace. From over a decade of experience, we’ve accumulated a significant amount of firsthand experience and hard-earned insights into what it actually takes to achieve and maintain federal authorization.

Across impact levels, agency types, and technology stacks, the same patterns keep showing up, and we’ve seen what impacts the programs that move quickly and the ones that stall. In this blog post, we’ll share the key insights we’ve learned from assessing over 200 FedRAMP products and service offerings.

FedRAMP Authorization Is More In-Demand Than Ever

The federal government’s continued reliance on cloud services has grown significantly over the past decade, leading to higher risks and stakes around cloud security. Executive orders on cybersecurity, zero trust mandates, and high-profile incidents have pushed agencies to scrutinize the tools they leverage more carefully than ever.

FedRAMP sits at the center of this level of cloud security as the mechanism used by cloud service providers (CSPs) to demonstrate that their offerings meet the federal government’s security standards. As agencies accelerate their cloud adoption and increasingly require FedRAMP-authorized solutions before procurement, demand for FedRAMP authorization has never been higher.

For CSPs, authorization is no longer a nice-to-have or long-term roadmap objective. It is now a market access requirement. Companies that delay authorization risk being locked out of federal opportunities entirely as agency procurement policies tighten.

The range of services seeking authorization has also expanded significantly. AI-powered platforms, containerized applications, multi-cloud architectures, and SaaS tools that touch sensitive federal data are all moving through the FedRAMP process in new ways. This level of complexity has made experienced guidance even more valuable.

Lessons Learned from Assessing 200 FedRAMP Offerings

From years of assessing over 200 cloud service offerings, Schellman’s team of FedRAMP experts has observed countless patterns and learned many lessons that apply to any CSP seeking authorization, regardless of the size, technology, or impact level of the program being assessed. Our key insights as the #1 FedRAMP 3PAO include:

1. Scope definition is where most programs win or lose before they start

The authorization boundary, meaning the definition of what is and isn’t included in the FedRAMP assessment, is the single most consequential decision a CSP makes before the process even really begins. It’s essential to define your scope appropriately because it has a downstream impact on documentation, applied controls, and assessment gaps that will be uncovered.

If the boundary is drawn too broadly, you risk pulling in systems and components that add assessment complexity without adding meaningful security value. Alternatively, if the boundary is drawn so narrowly that critical data flows and dependencies are excluded, you risk them surfacing during testing and requiring reassessment.

The programs that move faster and smoother are almost always the ones that invest appropriate time upfront to define their boundary clearly, with input from both technical and compliance stakeholders. A well-defined boundary shapes every policy, procedure, and control implementation that follows.

2. GRC, Engineering, and Go-to-Market teams must operate in alignment

FedRAMP should be treated as an organization-wide compliance effort that touches governance, risk, and compliance teams responsible for documentation and control mapping, engineering teams responsible for implementing and evidencing controls, and go-to-market teams managing customer commitments, agency relationships, and sales timelines.

When these groups aren’t aligned, the friction is immediate and costly. Imagine if engineering implements a control one way while GRC documents it another or if sales commit to an authorization timeline that the technical team didn’t agree to.

The CSPs that navigate the process smoothly treat FedRAMP as a cross-functional program with shared ownership, a single source of truth for documentation, and clear accountability across teams. An internal program manager or dedicated authorization lead whose job it is to keep all three functions moving in the same direction is often the difference between a smooth process and a chaotic one.

3. 3PAO selection Is the foundation of trust for your agency customers

The 3PAO selection is more than just a procurement decision. Your 3PAO’s assessment is what your agency customers rely on to make their authorization-to-operate (ATO) decisions. The quality, depth, and credibility of that assessment reflects directly on your program. An agency’s Authorizing Official needs to trust the assessment package in front of them, and that trust flows from the 3PAO’s reputation, rigor, and experience as much as it flows from the CSP’s own security posture.

The relationship between the 3PAO and CSP also shapes the timeline. A 3PAO that has assessed hundreds of programs across similar technology stacks will identify issues earlier, communicate findings more clearly, and work through remediation more efficiently. You should select your 3PAO based on experience and fit, not just availability.

4. Prioritizing appropriate internal resource allocation is critical

One of the more consistent predictors of a program stalling is under-resourcing. CSPs sometimes launch a FedRAMP authorization effort with a lean team, assuming that the 3PAO can carry the weight, but that is the wrong approach.

The evidence-gathering process alone is substantial, involving policies, procedures, system diagrams, system configurations, audit logs, vulnerability scans results, etc. The list of required artifacts is long, and most of it has to come from inside the organization. Engineering time, security team bandwidth, and leadership availability for reviews and decisions all need to be budged deliberately.

The programs that move along on schedule are the ones where someone has done an honest resource assessment before the kickoff, identified where the gaps are, and made deliberate decisions about hiring, backfilling, or bringing in additional support. Resource gaps discovered mid-assessment are far more expensive in both time and money than the ones addressed before the process begins.

5. When the agency sponsor is engaged, everything goes smoother

For CSPs pursuing an Agency authorization path, the relationship with the sponsoring agency’s Authorizing Official and security team is one of the most underrated variables in the entire process. When that relationship is active and collaborative, timelines stay on track and delays are avoided.

An engaged agency sponsor provides early guidance on their specific requirements and risk tolerances, flags concerns before they become blockers, and helps navigate internal review processes on their end.

CSPs that invest in building a genuine relationship with their agency sponsors, by communicating proactively, including them in key milestones, and treating them as partners rather than gatekeepers, consistently have better outcomes than those that have more disconnected relationships.

6. Why experience matters

The lessons learned and pattern recognition that experienced 3PAOs accumulate over time cannot be replicated from simply reading the FedRAMP documentation or completing a handful of assessments.

Experience involves knowing which security gaps are easily remediated and which ones signal deeper issues. It means knowing how different agencies and AOs approach risk decisions, and how to structure findings in a way that supports rather than complicates the ATO process.

Experience involves exposure to different systems, including containerized environments, AI services, and multi-cloud architectures, and knowing how to map controls accurately in situations where the standard framework doesn’t always map cleanly.

As the #1 FedRAMP 3PAO, Schellman’s experience is unmatched, making us the assessor that federal agencies and CSPs trust to get it right. Schellman’s clients have received over 870 ATOs across 71 federal agencies, which is a reflection of our team’s program depth, technical expertise, and commitment to quality that defines how we work.

What’s Changing in FedRAMP and What It Means for Your Authorization

FedRAMP is currently undergoing the most significant modernization effort in its history with its rollout of FedRAMP 20x, which is the program’s initiative to automate and streamline the authorization process. This directional shift signals the federal government’s recognition that the traditional process is too manual and resource-intensive for the pace at which agencies need to adopt cloud services.

Rather than relying on manually assembled documentation packages reviewed by human assessors, 20x strives for continuous, machine-readable evidence of security controls with hopes to reduce the time and effort required to achieve and maintain authorization. For CSPs, this means investing in security automation, continuous monitoring tooling, and machine-readable compliance evidence is the way to prepare for where the program is heading.

What CSPs Need to Know About FedRAMP 20x

The authorization process under 20x is getting faster, but the security standard is not getting lower. 20x is designed to eliminate friction in the traditional process, but the rigor needed for authorization remains high. CSPs should not mistake modernization as an opportunity to cut corners.

Continuous monitoring is becoming more central. A consistent theme in 20x is the shift toward ongoing security validation rather than point-in-time assessments. CSPs should treat their ATO as a starting point under an increasingly continuous model.

Early movers will have an advantage. As the 20x pilot expands and new authorization paths become available over time, CSPs that have already prioritized building mature security programs with strong automation and experienced 3PAO relationships will be positioned to move through updated processes faster.

The Road Ahead to FedRAMP Authorization

For CSPs evaluating how to pursue FedRAMP authorization, the best place to start is assessing where you stand today. This involves understanding your likely authorization boundary, identifying the gap between your current security posture and FedRAMP requirements, and realistically sizing the resource investment before you commit to a timeline.

Key Considerations for Pursuing FedRAMP Authorization

1. Start with the boundary and define what’s in scope. This single decision shapes everything downstream and requires real time and consideration before kickoff.
2. Engage an experienced 3PAO early. A qualified 3PAO can help you assess readiness, identify gaps, and plan your approach before the formal assessment begins.
3. Budget appropriately. FedRAMP authorization is not a one-time event, it requires ongoing investment in continuous monitoring, annual assessments, and maintaining your authorization package. These factors should be key considerations in your resource planning from the start.
4. Treat your agency relationships as a strategic asset. The relationships you build with federal stakeholders will shape both your authorization timeline and long-term success in the federal market.

Schellman has spent over a decade guiding hundreds of organizations through every stage of the FedRAMP journey from readiness assessments and gap analysis through full authorization and continuous monitoring. If you’re evaluating your path to authorization or looking for a 3PAO with the experience to move your program forward with confidence, contact us today to learn more.

In the meantime, discover additional helpful FedRAMP insights in these resources:

• FedRAMP's Latest RFCs: The Top 3 Updates Cloud Service Providers Should Know
• FedRAMP 20x: The Most Frequently Asked Questions
• FedRAMP 20x: What’s Changing and What It Means for Your Business