How Can an Accountant Help with Law Firm Budgeting and Forecasting?

At Towerstone Accountants we provide specialist accountancy services for solicitors and law firms operating under SRA regulation. This article has been written to explain How can an accountant help with law firm budgeting and forecasting in clear practical terms so you understand how the rules apply in day to day practice. Our aim is to help you stay compliant protect client money and make informed financial decisions.

Running a law firm has never been simple, but in recent years the financial pressure has increased noticeably. Fee income is less predictable, costs are rising, and regulatory expectations remain high. In my experience, many solicitors are excellent at legal work yet understandably less confident when it comes to forward planning, budgeting, and forecasting.

This is where a good accountant can make a meaningful difference. Not by producing abstract spreadsheets that sit in a drawer, but by helping you understand where your firm is heading, what pressures are coming, and how to make decisions with confidence rather than guesswork.

In this article, I will explain how an accountant can support law firm budgeting and forecasting in a practical, realistic way. I will cover how budgeting differs for law firms, what forecasting should actually look like in practice, how regulatory and cash flow pressures are built into the numbers, and how I work with solicitors to turn figures into clear actions.

Why budgeting and forecasting matter so much in a law firm

Many firms still rely heavily on hindsight. Annual accounts are prepared, tax is calculated, and the focus quickly shifts back to client work. The problem is that accounts tell you where you have been, not where you are going.

Law firms face a unique mix of challenges:

• Income that fluctuates by matter type, client, and season

• Lock up tied up in work in progress and debtors

• Regulatory costs that cannot be ignored

• Staff costs that are difficult to flex quickly

• Partner drawings that depend on future performance

Without proper budgeting and forecasting, decisions are often reactive. Partners may draw too much, recruitment happens at the wrong time, or cash flow problems appear with little warning.

An accountant’s role is to help you move from reacting to planning.

The difference between budgeting and forecasting

These two terms are often used interchangeably, but they serve different purposes.

A budget is a plan. It sets out what you expect or aim to happen over a defined period, usually a financial year. It answers questions such as:

• What level of fee income are we targeting

• What costs do we expect to incur

• What profit should this produce

• How much can partners safely draw

A forecast is a live projection. It evolves as real data replaces assumptions. It answers questions such as:

• Based on current performance, where will we end up

• Are we ahead or behind plan

• Do we need to change course

In my work with law firms, the budget provides direction, while the forecast provides control.

Why law firm budgeting is different from other businesses

One of the biggest mistakes I see is using generic business budgeting templates for law firms. Legal practices have features that must be reflected properly.

These include:

• Work in progress that may not convert to fees for months

• Client money that must be segregated and cannot be used

• Billing delays caused by matter progression

• High reliance on people rather than inventory

• Partner drawings rather than fixed salaries

A competent accountant understands these nuances and builds them into the model from day one.

Starting with a realistic fee income budget

Everything in a law firm budget flows from fee income, so this is where the work begins.

Rather than guessing a top line number, I prefer to break fee income down into meaningful components, for example:

• Fee income by department or practice area

• Recurring work versus one off matters

• Known clients versus new business

• Historical seasonal trends

This allows us to challenge assumptions. If conveyancing income is forecast to rise, what evidence supports that? If litigation is expected to dip, what does that mean for staffing?

By grounding the income budget in reality, we avoid building the rest of the plan on sand.

Using historical data properly

Past performance is not a guarantee of future results, but it is still one of the best starting points.

An accountant will analyse:

• Fee income trends over several years

• Recovery rates on work in progress

• Write offs and write ups

• Billing delays

• Bad debt history

This analysis often reveals patterns partners were not consciously aware of. For example, a department that looks profitable on paper may actually suffer from slow billing, creating cash pressure.

Good budgeting brings these issues into the open.

Building staff costs into the budget

Staff costs are usually the largest expense in a law firm, and they are also the hardest to adjust quickly.

A proper budget will consider:

• Current headcount by role

• Salary levels and planned increases

• Employer National Insurance and pensions

• Bonus structures

• Recruitment plans

An accountant helps you see the full cost of staffing decisions, not just headline salaries. This is particularly important when considering new hires or promotions.

I often see firms underestimate how much additional fee income is required to justify one extra solicitor. Budgeting makes this visible.

Accounting for overheads and fixed costs

Beyond people, law firms carry significant fixed costs.

These may include:

• Premises and service charges

• Professional indemnity insurance

• Software and case management systems

• Regulatory fees

• Marketing spend

An accountant will review these costs carefully, challenge assumptions, and ensure nothing material is overlooked.

This is also where we build in expected increases, rather than being caught out later in the year.

Partner drawings and profit planning

One of the most sensitive areas of law firm budgeting is partner drawings.

In many firms, drawings are based on expectation rather than cash reality. This can lead to problems if profits do not materialise as planned.

An accountant helps partners understand:

• The difference between profit and cash

• How drawings impact working capital

• What level of drawings is sustainable

• The consequences of over drawing

By modelling different scenarios, we can agree a drawings policy that balances partner needs with firm stability.

Cash flow forecasting and why it is critical

In my opinion, cash flow forecasting is even more important than profit budgeting for law firms.

You can be profitable on paper and still run out of cash.

A cash flow forecast tracks:

• When fees are actually billed

• When cash is expected to be received

• Ongoing overhead payments

• Tax liabilities

• Partner drawings

This allows us to spot pinch points well in advance and take action, whether that means adjusting drawings, accelerating billing, or arranging finance.

Managing lock up through forecasting

Lock up, meaning work in progress plus debtors, is a constant challenge for law firms.

An accountant uses forecasting to:

• Highlight slow moving matters

• Show the cash impact of delayed billing

• Set targets for reducing lock up

• Monitor progress month by month

Reducing lock up by even a small amount can release significant cash, often without increasing fees.

Scenario planning and stress testing

One of the most valuable contributions an accountant can make is helping partners think through what if scenarios.

For example:

• What if fee income drops by ten percent

• What if a key partner leaves

• What if professional indemnity costs rise sharply

• What if a major client delays payment

By modelling these scenarios, we remove uncertainty and replace it with informed decision making.

This approach became especially important during recent economic shocks, and many firms now see it as essential rather than optional.

Forecasting tax liabilities accurately

Tax surprises are one of the fastest ways to damage cash flow.

An accountant will build tax forecasting into the overall plan, including:

• Corporation tax or income tax

• VAT where applicable

• Partner personal tax liabilities

• Timing of payments

This ensures that money is set aside in advance, rather than scrambling to find funds when a bill arrives.

It also supports sensible planning around partner drawings.

Supporting regulatory compliance through financial planning

Law firms operate in a regulated environment, and budgeting cannot ignore this.

The Solicitors Regulation Authority expects firms to manage their finances properly, particularly where client money is involved.

Budgeting and forecasting support compliance by:

• Ensuring sufficient resources are available

• Avoiding financial instability

• Supporting the COFA’s role

• Demonstrating good governance

In my experience, firms with strong financial planning are far less likely to face regulatory issues.

The accountant’s role in management information

Budgets and forecasts are not static documents. They only work if they are monitored.

An accountant helps produce management information that compares:

• Actual performance versus budget

• Updated forecasts versus original plans

• Variances and their causes

This information should be clear, timely, and focused on decision making rather than accounting jargon.

When partners understand the numbers, they engage with them.

Helping partners make strategic decisions

Financial planning is not just about survival. It is also about growth.

An accountant can support decisions such as:

• Opening a new office

• Investing in technology

• Merging with another firm

• Exiting unprofitable practice areas

By modelling the financial impact, partners can weigh risk and reward properly.

Working alongside other advisers

In many firms, budgeting and forecasting involves multiple advisers.

These may include:

• Practice management consultants

• Banking relationship managers

• Insurers

• The Law Society of England and Wales

An experienced accountant will collaborate with these advisers, ensuring that financial plans align with operational reality.

Common mistakes I see law firms make

Despite good intentions, I see the same errors repeatedly.

These include:

• Over optimistic income assumptions

• Ignoring cash flow

• Treating the budget as a one off exercise

• Failing to update forecasts

• Allowing drawings to drift

An accountant’s job is not just to build models, but to challenge these behaviours constructively.

How often budgets and forecasts should be reviewed

There is no single right answer, but in most firms I recommend:

• An annual budget

• Monthly or quarterly forecast updates

• Regular partner reviews

The goal is not perfection, but awareness.

Technology and budgeting tools

Modern accounting software makes budgeting and forecasting more accessible than ever.

An accountant can help you:

• Choose appropriate tools

• Integrate them with existing systems

• Interpret the output correctly

Technology supports the process, but it does not replace professional judgement.

The human side of budgeting

One aspect that is often overlooked is the emotional side of financial planning.

Budgets touch on sensitive issues such as:

• Partner income

• Performance comparison

• Resource allocation

A good accountant approaches these conversations with tact and clarity, helping partners focus on the bigger picture rather than individual interests.

My professional perspective

In my opinion, budgeting and forecasting should be seen as essential management tools, not administrative burdens.

When done well, they provide:

• Confidence in decision making

• Early warning of problems

• A shared understanding among partners

• A platform for sustainable growth

An accountant who understands law firms does far more than crunch numbers. They act as a financial sounding board and a source of calm, informed advice.

Final thoughts

Law firm budgeting and forecasting are not about predicting the future perfectly. They are about being prepared.

With the right accountant involved, these processes become practical, relevant, and genuinely useful. They help you understand your firm, protect its stability, and plan its next steps with confidence.

In an environment where financial pressure and regulatory scrutiny continue to grow, that support is no longer a luxury. It is a necessity.

You may also find our guidance on How do accountants support solicitors with business planning and growth and How can solicitors improve cash flow without breaching SRA rules useful when reviewing related SRA and accounting obligations. For a broader overview of solicitor accounting and compliance topics you can visit our solicitors accounts rules hub which brings all related guidance together.