The tax profession is shifting, and firms that fail to evolve risk being left behind. Compliance work, once the bread and butter of every tax practice, has become increasingly commoditized. Clients who once accepted hours of billable work now push back on fees as automation and technology have compressed that same work into minutes. The result? A race to the bottom on pricing that leaves tax professionals overworked, undervalued, and wondering what comes next.
The answer, for a growing number of firms, is client advisory services.
What Are Client Advisory Services?
Client advisory services, commonly called CAS, refers to a broad range of financial and strategic offerings that go well beyond traditional tax compliance and bookkeeping. At the foundational level, CAS can include accounts payable and receivable, payroll processing, and financial reporting. At the higher end, it encompasses cash flow forecasting, budgeting, KPI tracking, business strategy, and fractional CFO services.
In short, CAS moves you from being a recorder of the past to a guide for the future. Rather than delivering a tax return once a year and going dark, you become embedded in your client's financial life on an ongoing basis.
Why Tax Firms Are Paying Attention
The demand for advisory services has been building for years, accelerated by the pandemic and the rapid adoption of cloud-based accounting technology. When businesses faced unprecedented uncertainty, they turned to their tax professionals for answers, not just compliance. Many firms that stepped up discovered clients were eager, and willing to pay, for proactive guidance.
According to Accounting Today's survey of the top 100 tax firms, CAS is now the number one service offering among those firms. A 2023 AICPA survey found that nearly 60% of firms offering CAS reported double-digit revenue growth. The momentum is undeniable.
For smaller and mid-size practices, this represents a significant opportunity. The same technology that compressed compliance work, cloud platforms, automation tools, and AI-powered applications, also makes it more feasible than ever for lean teams to manage ongoing client relationships efficiently.
How Your Firm Benefits
The business case for CAS is compelling on multiple fronts. First, it creates recurring, year-round revenue that smooths out the feast-or-famine cycle that defines most tax practices. Second, it deepens client relationships in a way that one-time compliance engagements simply cannot, positioning you as a trusted advisor rather than a vendor. Third, firms with strong recurring revenue streams command higher valuations, which matters enormously for succession planning or a future sale.
There is also a competitive distinction argument. In a market where clients increasingly view tax prep as a commodity, CAS gives you a reason to stand out and a defensible reason to hold your fees.
How to Get Started
The most practical approach is to start with your existing clients. Identify those who are already asking questions about cash flow, growth, or financial decisions and use those conversations as an entry point. You do not need to launch a full CFO advisory program on day one. Start with one or two clients, define the scope clearly in your engagement letter, and build from there.
Move away from hourly billing for these services and toward fixed fees or tiered packages. This creates pricing clarity for clients and predictable income for your firm. Invest in training your team on advisory skills and cloud-based tools, and document your processes so the service can scale.
The shift from compliance to advisory is not a trend, it is the trajectory of the profession. The firms that embrace it now will be better positioned for everything that comes next.
Dr. Christine Gervais is a licensed CPA, using her skills to help businesses grow and achieve their fullest potential. Christine has a Master’s degree in accounting from Southern New Hampshire University in addition to holding her CPA license for over a decade. Notably, Christine is a nationally recognized speaker providing education to other CPAs on how to best serve clients as well as instruction on a wide variety of topics for business owners on how to maximize success. Christine prides herself on the value she can bring to clients with her extensive tax knowledge and provides strategic, forward-thinking financial strategies to help clients grow. When not behind her desk, you can find Christine spending quality time with her daughter and stepson or tending to the family’s excessively loved farm animals.
Subscribe to the TPN Newsletter!
Like what you're reading?
Subscribe to our FREE newsletter and we'll deliver content like this directly to your inbox.