Webinar Recap: Top 3 Common Financial Mistakes Law Firms Make and How to Avoid Them

Law firm owners are often surrounded by financial information, but that does not always mean they have financial clarity. A firm may know how much revenue came in last month, what is sitting in the bank account, and whether the books are ready for tax season, yet still struggle to answer the questions that matter most for sustainable growth: whether the firm is truly profitable, whether the team has enough capacity to support more work, whether pricing is aligned with the cost of delivery, and whether a new hire will strengthen or weaken the business model.

In this Law Firm Growth Ideas session, Sharon Means welcomed Rush Shaw, a fractional CFO who works with professional service firms, for a practical discussion about the financial mistakes law firm owners frequently make as they try to grow. The conversation focused on the difference between historical accounting and forward-looking financial strategy, why the right CFO fit depends on the firm’s operating model, and how margin discipline can help law firms grow in a way that protects profit rather than simply increasing revenue.

The core message of the session was that growth by itself does not solve financial problems. In fact, when a law firm grows without understanding its margins, cash flow, pricing, and capacity, it can become larger, busier, and less profitable at the same time. A healthier approach starts by understanding the numbers, defining the right financial targets, and using those targets to guide decisions about staffing, pricing, marketing, and operations.

Speakers

Rush Shah

Fractional CFO for $1M+ Service Businesses.

With 20+ years of finance and leadership experience, Rush helps service business owners make informed decisions without guesswork or full-time CFO costs.

Sharon Means, CPA

Fractional Integrator, Clarity, Accountability, and Growth Playbooks for Law Firms

With a background as a CPA and 5+ years as a Fractional Integrator, Sharon focuses exclusively on helping law firms running on EOS, The Entrepreneurial Operating System, perform more effectively.

Why Financial Clarity Matters for Law Firms

 

Many law firm owners reach a point where revenue is growing, the team is expanding, and the firm appears to be moving in the right direction, yet the owner still feels pressure around cash, profit, or capacity. This usually happens when the firm is measuring growth at the top line but not paying enough attention to what is happening underneath the revenue number.

A law firm can increase revenue and still reduce its net margin if the additional revenue requires more attorneys, more administrative support, higher marketing spend, more technology, more management infrastructure, and more operational complexity. Sharon noted that she often sees firms grow from the $1 million to $3 million range and assume that the same model will continue to work as they scale, only to discover that the infrastructure required for the next stage of growth changes the economics of the firm.

Rush emphasized that this is why law firm owners need to understand the relationship between revenue, profit, and cash. Revenue shows what the firm brings in, profit reflects what remains after expenses under accounting rules, and cash shows what is actually moving in and out of the bank. Because those three numbers do not always tell the same story, firm owners need financial reporting and forward-looking analysis that help them understand where the business really stands.


Mistake 1: Confusing Accounting Functions With CFO-Level Strategy

 

One of the first mistakes Rush addressed was the tendency to confuse the role of a controller, accountant, bookkeeper, or CPA with the role of a CFO. While these roles are related and often work together, they are not designed to solve the same problem inside a business.

Accounting and controller functions are generally focused on historical accuracy, tax compliance, bookkeeping, audits, month-end reporting, and making sure the firm’s financial records are reliable. These functions help the firm understand what already happened and ensure that the books are accurate enough to support compliance, reporting, and decision-making.

The CFO function, by contrast, is focused on the future of the business. A CFO helps the firm think through planning, forecasting, analysis, cash flow, capital needs, financial risk, key performance indicators, pricing, profitability, and strategic decision-making. Instead of simply reporting where the firm has been, the CFO helps leadership understand where the firm is going and what needs to change in order to reach its goals.

Sharon added an important practical point: when a firm’s accounting is disorganized, the first step may not be to hire a CFO. If the books are inaccurate or incomplete, the firm may need to fix the accounting foundation before CFO-level strategy can be effective. A good CFO can identify that issue, but using CFO-level resources to do basic bookkeeping or cleanup work can become an expensive way to solve a problem that should be handled at a different level.


Mistake 2: Assuming Every CFO Is the Same

 

The second mistake Rush identified was assuming that every CFO brings the same perspective, skill set, and approach. Although the title may be the same, the type of CFO a business needs depends heavily on the company’s stage, industry, operating model, and financial goals.

A startup CFO may be focused on fundraising, burn rate, runway, investor reporting, and aggressive growth. A product-based or manufacturing CFO may spend more time on cost of goods sold, inventory, unit economics, capital allocation, and production costs. A nonprofit CFO, private-equity-backed CFO, or service-based CFO will each approach the financial function through a different lens because the business models are fundamentally different.

For law firms, the most relevant CFO experience is usually service-based financial strategy. A law firm is not managing inventory in the same way a product company does, and it is not usually operating with the same fundraising priorities as a venture-backed startup. Instead, law firms need financial guidance around utilization, staffing, project management, matter profitability, pricing, cash flow timing, and the relationship between people’s time and the firm’s revenue.

Rush’s advice was to hire the CFO based on the problem the firm needs to solve rather than the title alone. A law firm that needs help with capacity planning, pricing, margin discipline, and sustainable growth should look for someone who understands the economics of a service-based business and can translate financial data into decisions that fit the way a law firm actually operates.


Mistake 3: Treating Margin as an Afterthought

 

The third mistake was the central theme of the session: many law firms start with revenue and treat margin as whatever happens to be left over. When a firm begins with the question, “How do we grow revenue?” without also asking what margin must be protected, expenses can expand alongside growth until profit becomes unpredictable.

Rush described this as a common but risky pattern. A firm increases revenue, adds people, invests in marketing, expands software, increases overhead, and then looks at the end of the period to see what remains. In that model, profit is not being intentionally managed; it is simply the residue left after the firm has made a series of growth decisions.

His recommended approach is to start with the desired net margin and then build the growth plan around that target. Because net margin is a percentage of revenue, it gives the firm a scalable benchmark that can apply whether the business is at $1 million, $5 million, or $10 million in revenue. By defining the margin first, the firm can make decisions about pricing, staffing, and volume with a clearer understanding of what each decision does to the economics of the business.

This approach also helps law firm owners separate the idea of being busy from the idea of being profitable. More matters, more clients, and more revenue are not automatically better if they require so much additional labor and overhead that the owner’s net margin declines. Sustainable growth requires the firm to protect profitability while expanding capacity in a deliberate way.


The Balanced Growth Approach

 

Rush explained his balanced growth approach as a relationship between revenue, profit, cash, and reinvestment. Revenue creates the opportunity for profit, net margin determines how much of that revenue remains, cash flow management determines whether profit translates into usable cash, and cash can then be reinvested into growth when the underlying economics make sense.

The problem with starting only at revenue is that the firm may grow without a clear strategy for keeping enough of what it earns. When the firm instead starts by solidifying net margin, it creates a healthier foundation for decisions about hiring, pricing, marketing, and expansion. Once the margin target is clear and cash is being managed intentionally, the firm can reinvest in revenue-generating activities from a stronger position.

Sharon connected this concept to the “Profit First” mindset, where owners intentionally set aside profit rather than waiting to see what remains after expenses. Although the mechanics may differ by firm, the principle is similar: owners need to decide what profitability should look like and build the business model around that reality instead of hoping profit will appear at the end.

Rush emphasized that margin discipline is especially important because it works as a percentage of revenue. A fixed profit number may rise or fall depending on the size of the firm, but a net margin percentage allows leadership to understand how much of every dollar is being retained as the business scales.


A Practical Law Firm Scenario

 

To make the discussion concrete, Rush walked through a scenario involving a trust and estates law firm. In the example, the firm completed 379 client matters in the prior year, with each matter priced at approximately $5,000, resulting in about $1.895 million in revenue.

From that revenue, approximately 49 percent went to the cost of service, which included costs tied directly to billable work, while another 26 percent went to operating expenses such as administrative staff, rent, marketing, software, and other overhead. After those expenses, the firm was left with a net margin of approximately 25 percent.

The firm’s new goal was to increase net margin to 35 percent while adding up to 60 new client matters per year, raising rates by up to 10 percent, hiring a legal assistant, and allowing for modest increases in salaries and overhead. Rather than starting with a revenue target and guessing whether the firm would remain profitable, Rush worked backward from the desired margin and modeled what the firm would need in terms of pricing, volume, labor, costs, and capacity.

Using that approach, the model showed that the firm would need approximately 437 client matters for the year and an average matter price of around $5,500 in order to preserve the 35 percent net margin. If the firm billed hourly instead of using a fixed-fee matter structure, the model showed that the firm would need to bill at a minimum hourly rate of about $367 to maintain that same margin.

The value of the model was not that every law firm should copy those exact numbers, because different practice areas, billing structures, staffing models, and client economics will produce different results. The value was that the firm could see, before making decisions, how pricing, matter volume, staffing, labor hours, overhead, and target margin worked together.


Why Capacity Has to Be Part of the Financial Model

 

The law firm scenario also highlighted a point that often gets missed in revenue planning: the firm cannot evaluate growth without evaluating capacity. A full-time employee may technically have 2,080 working hours in a year, but not every hour is available for billable work because attorneys and staff also spend time on vacation, internal meetings, administrative tasks, business development, networking, training, and other nonbillable responsibilities.

In Rush’s example, each type of role had a certain amount of labor required per matter. The partner, associate attorney, staff attorney, paralegal, and legal assistant each contributed time to the completion of a matter, and the model accounted for those hours when determining whether the projected matter volume was realistic.

This kind of capacity modeling helps a firm understand whether it can actually deliver the work required by its financial goals. A revenue target may look attractive on paper, but if achieving it requires the team to operate far beyond a sustainable capacity level, the firm risks burnout, quality problems, client service issues, and turnover.

Sharon pointed out that when firms ignore capacity, they may push strong performers beyond a reasonable limit, which can lead those people to leave. When that happens, the firm may be left trying to maintain higher revenue goals with a weaker or more strained team, which creates operational and financial pressure at the same time.


Why Revenue Growth Alone Can Be Misleading

 

Rush then compared the margin-based approach with a revenue-only approach. If the firm kept its existing 25 percent margin and tried to reach the same profit target without improving margin or adjusting price, it would need roughly $1.4 million to $1.5 million in additional revenue and nearly 300 more client matters.

That comparison made the cost of inaction clear. By protecting margin through pricing and operational discipline, the firm could reach the desired financial outcome with a much smaller increase in matter volume. By contrast, trying to grow into the same profit target without improving margin would require significantly more work, much more capacity, and likely additional hiring, which would then place further pressure on the very margin the firm was trying to preserve.

This is why Rush described his approach as growth through efficiency rather than growth at all costs. A firm that understands margin can make better decisions about when to raise prices, when to hire, when to invest in marketing, and when to adjust operations. A firm that focuses only on revenue may not realize until much later that its growth strategy created more complexity without producing the level of profit the owner expected.


How a CFO Helps Keep the Firm on Track

 

Rush described the CFO’s role as an ongoing process of setting targets, building strategy, analyzing performance, and optimizing decisions as conditions change. The work does not end once the firm creates a financial model, because the model has to be tested against real performance month after month.

A CFO helps the firm determine whether it is on pace to hit its goals and, just as importantly, why it may be ahead or behind. If the firm expected a certain number of new matters but is falling short, the issue might be marketing spend, intake conversion, pricing, staffing, practice area mix, or some other operational factor. By reviewing the data consistently, the firm can identify these issues early enough to make meaningful course corrections.

Sharon connected this to accountability, noting that many firm owners avoid looking at financials because the numbers feel intimidating or confusing. When financial review becomes a regular monthly discipline, however, the owner no longer has to wait until year-end tax preparation to discover whether the business is healthy. Instead, the firm can review the numbers while there is still time to change the outcome.

Rush also made an important distinction between reviewing actual results against a budget and reviewing forecasts against targets. Actual-versus-budget reporting shows where the firm stands at a specific point in time, while forecast-versus-target analysis helps the owner understand whether the firm is likely to reach its goals. For a business owner trying to make decisions, that forward-looking view is often more useful because it tells the story of where the business is heading.


Key Takeaways for Law Firm Owners

 

1. Know which financial role your firm actually needs

A law firm may need bookkeeping, accounting cleanup, tax planning, controller-level reporting, CFO-level strategy, or some combination of these functions, but the owner needs to understand the difference before hiring help. Accurate books are the foundation for useful financial strategy, and a CFO can only provide meaningful guidance when the underlying financial information is reliable.

2. Choose a CFO based on fit, not title

Because different CFOs specialize in different business models, law firms should look for financial guidance that understands service-based economics. A CFO who understands utilization, staffing, matter profitability, pricing, and cash flow timing will be better equipped to help a law firm make decisions that match the realities of the business.

3. Start with margin before chasing revenue

Revenue growth can feel like progress, but it does not automatically create a healthier firm. By starting with a target net margin, law firm owners can make more disciplined decisions about pricing, hiring, and growth while protecting the profitability of the business.

4. Understand the difference between profit and cash

A firm can show profit on its financial statements and still feel pressure in the bank account because collections, accounts receivable, capital investments, debt payments, and accounting methods can all affect the relationship between profit and cash. Owners need to understand both numbers in order to make informed decisions.

5. Connect pricing to labor, overhead, and capacity

Pricing should not be based only on what the firm has charged historically or what competitors appear to be charging. It should reflect the labor required to deliver the work, the cost of the team, the firm’s overhead, the desired margin, and the capacity required to serve clients well.

6. Measure capacity before adding more matters

More clients and more matters can create growth, but they can also create burnout if the team does not have enough realistic capacity to deliver the work. Capacity planning helps the firm understand when it can absorb more volume, when it needs to hire, and when pricing or process improvements may be the better lever.

7. Use financial forecasting as a management tool

A financial model should not sit untouched after it is created. By reviewing forecast-versus-target performance on a regular basis, law firm owners can spot problems earlier, understand what is driving performance, and make better decisions before the end of the year.


Final Takeaway

 

The strongest message from the session was that sustainable law firm growth begins with margin discipline, not revenue alone. A firm that grows without understanding its margins may become larger and more complex while leaving the owner with less profit, more stress, and a team operating beyond sustainable capacity.

By clarifying financial roles, choosing the right CFO fit, building a margin-based growth model, and reviewing performance consistently, law firm owners can make decisions with much greater confidence. Instead of reacting to financial results after they happen, they can shape the future of the firm through clearer targets, better pricing, smarter hiring, and stronger accountability.

Rush summarized the difference well: a reactive approach responds to what already happened, while a proactive financial approach shapes what happens next. For law firms that want to grow in a healthier way, the goal is not simply to increase revenue; the goal is to build a business that is profitable, sustainable, and financially clear at every stage of growth.