Fifteen years ago, launching Client Advisory Services (CAS) inside a traditional public accounting firm was a “learn-as-you-go” experience for Christine Triantos. There was no playbook. She was building the plane while flying it—and she made plenty of mistakes along the way.
One of the biggest and most costly? Pricing.
The Pricing Trap: Hourly Rates and False Confidence
Early on, the logic seemed sound: start with an hourly rate. There was no prospect analysis and no upfront data access—just time and materials. After all, the team assumed nothing could go wrong if they simply billed for the time incurred.
They were wrong.
When a CAS firm leads with hourly pricing, client expectations are automatically anchored to minimal fees. The situation never seems “that bad” until the team actually gets into the data. Suddenly, they are staring at broken systems, messy books, and years of cleanup.
By the time the firm realizes the scale of the mess, they are incurring massive amounts of time—often from higher-level staff during onboarding—driving costs even higher. Christine quickly realized two things:
- They were spending far more time than anticipated.
- They were left hoping the client wouldn’t balk at the invoice once it arrived.
Even worse, hourly pricing shifted the client’s mindset. Instead of seeing the firm as a trusted advisor, clients began scrutinizing value based on how long tasks took. Every hour became a debate; every invoice became a negotiation.
The Fixed-Fee Pivot—And Why It Failed (At First)
Did pivoting to fixed fees solve the problem? Not exactly. Without proper prospect analysis, moving to fixed fees actually decreased margins. Clients knew how long tasks used to take, but the firm now absorbed all the inefficiencies. Scope creep became inevitable.
The root cause was structural:
- No upfront access to client data
- No clear understanding of transaction volume
- No clarity on staffing needs
- No defined scope boundaries
Christine learned that when you don’t know what you’re getting into, you cannot staff appropriately. Going into an engagement blind is never the right approach.
The Redo: Fixed Fees Done Correctly
If there were a “redo,” it would start with fixed fees—but executed with a better strategy.
At one point, they locked into 12-month fixed-fee engagement letters without the right protective language or a full prospect analysis. The result? The first three months often had zero margin due to cleanup work. Even if the team became highly efficient later, they were stuck with their initial pricing decisions for a full year.
The solution was a major pivot:
- Shorter Commitments: They reduced engagement letters from 12 months to 30-day agreements, renewed monthly. Clients felt more comfortable committing to a month-to-month arrangement.
- Dynamic Scaling: They added language tying fees to data volume and activity levels. If volume changed by a defined percentage over 30, 60, or 90 days, a pricing conversation was automatically triggered.
- Phased Pricing: They stopped offering a single monthly fee. Instead, pricing was broken into: onboarding, knowledge transfer, and defined service buckets.
This approach protected the firm, mitigated risk, and restored margin integrity.
Boundaries, Expectations, and Client Behavior
Pricing problems often reveal a deeper issue: boundaries. Some clients simply don’t want to change. Christine found that delivery expectations and timelines must be clearly defined—both verbally and in writing. Her engagement letters began to spell out exactly what the firm would deliver, when it would be delivered, and what the client had to provide to stay on schedule.
Late data creates “pick-up and put-down” time, which destroys CAS margins and burns out teams. To combat this, the engagement letter now specify’s:
- Required data submission dates
- The number of business days needed to complete work
- How client delays shift the final delivery timelines
This protects the team, the firm’s other clients, and the firm’s credibility. Many successful firms now include a full page of client responsibilities—often 20+ bullets—covering communication expectations and access requirements.
Technology Enables Efficiency—Fixed Fees Enable Technology
Hourly models discourage efficiency. If senior staff doing manual work equals more revenue, there is no incentive to invest in technology.
Fixed fees change that equation. They incentivize firms to:
- Push work down to the right staff levels
- Automate repetitive processes
- Implement technology that actually improves margins
Without fixed fees, your own efficiency works against your bottom line!
The “Never Again” List: Risk Control Lessons
Trial and error created a clear “never again” list for Christine’s practice:
- No depositing client cash or checks
- No chasing client receivables or calling vendors
- No paper documents
- No mail sent to the firm’s address
Handling client cash flow creates unacceptable risk. Everything must be electronic. This isn’t just a sales filter—it’s serious risk management. These policies should be stated in proposals and reinforced in engagement letters.
Protecting the CAS Leader’s Capacity
One of the most overlooked challenges in CAS growth is the capacity of the leader. Too often, CAS leaders are expected to be the strategic architects of the practice while simultaneously managing a full book of business.
That model is not sustainable.
Building a CAS practice requires intentional time for pricing strategy, engagement letter design, risk mitigation, and staffing models. These frameworks cannot be “borrowed” from audit or tax; they must be built from scratch.
Firms must protect their CAS leader’s time. Give them the space to evolve from a practitioner to a strategic builder of an entirely new revenue stream.
The CAS Playbook: Six Non-Negotiables
- Always send pricing only after a full prospect analysis and data access (get a signed NDA first).
- Use engagement letter language to manage client responsibilities, volume changes, and pricing adjustments.
- Identify revenue streams before cutting into margins.
- Define barriers to entry—what you will not do—and communicate them clearly.
- Protect CAS leadership capacity with intentional strategic focus.
- Say “no” to protect margins and long-term sustainability.
The most successful CAS practices clearly define their ideal client—and they have the courage to stick to it.
To hear the full podcast, visit: https://www.youtube.com/watch?v=gIcF9v_0kYY&t=1181s
Interested in our CAS Specific Engagement Letters & Statement of Work? Reach out to Deneen Dias at: [email protected]
