The accounting profession's largest firms just handed every tax practitioner a blueprint. Their collective growth strategy for 2026 boils down to three moves that translate directly into sustainable, high-margin practices, regardless of your firm's size.
Stop Selling Compliance. Start Owning the Relationship.
The Top 100 are unanimously pivoting toward advisory, and client accounting services just posted its third consecutive year as the fastest-growing niche, with 85% of reporting firms seeing gains. The common thread is not simply adding services; it's repositioning the firm as a financial quarterback rather than a once-a-year preparer.
For tax practitioners, this is a direct call to action. Your clients face intertwined tax, financial, and operational decisions every single day of the year, not just in April. The firms growing the fastest are the ones meeting clients in those moments. That means offering cash flow forecasting, year-round planning conversations, and proactive outreach when tax law changes, like the current wave surrounding the One Big Beautiful Bill Act, create both risk and opportunity for your client base. Advisory work commands higher fees, creates stickier relationships, and is far harder to commoditize than a prepared return.
Be Intentional About Which Clients You Serve.
Growth does not come from taking every engagement that walks through the door. Several Top 100 leaders specifically called out "intentional client selection" as a core pillar of their strategy, and the concept matters just as much in a boutique tax practice as it does at a billion-dollar firm.
Audit your current client list honestly. Which relationships are generating your highest margins? Which industries do you understand deeply enough to deliver real advisory value? Manufacturing, restaurants, construction, healthcare? Concentrating your business development and marketing efforts at the intersection of your expertise and your ideal client profile is how you grow revenue without simply adding workload. Firms using CRM and AI-enabled tools are doing this systematically. Even a basic review of your current portfolio against those criteria is a powerful starting point.
Your Staff Retention Is Your Client Retention.
The Top 100 are investing heavily in lateral hires, leadership development, and embedding an advisory mindset throughout their teams, precisely because they understand the connection between engaged staff and loyal clients. As Your Part-Time Controller's COO put it plainly, staff retention and client retention are directly linked.
For tax practitioners, this means investing in your team's development beyond technical tax training. Equip them to have advisory conversations. Give them exposure to client strategy discussions early. The firms winning the talent competition are the ones where professionals feel like they are building something meaningful, not just grinding through returns.
The path to high-margin growth in a tax practice is not mysterious. The Top 100 are showing it clearly: know your ideal client, deepen every relationship, and build a team that delivers more than compliance. The practitioners who act on that model now will be the ones defining their local markets in five years.
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.
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