How to Build a Finance Function for a Growing Business

The Finance Setup That Got You Here May Not Get You There

Almost every successful founder-led business reaches this point.

Early on, finance is deliberately simple.

The founder knows the numbers. A bookkeeper or outsourced accountant keeps the records straight. A spreadsheet tracks cash. Decisions happen quickly because the founder holds most of the context in their head.

That can work extremely well.

Then the business grows.

There are more people, customers, entities, markets, investors and decisions. The founder cannot personally reconcile every number or approve every payment. The board wants better information. Forecasting becomes harder. Cash moves faster. The business may be preparing for institutional capital.

The finance setup does not necessarily fail dramatically.

It simply stops being good enough for the decisions the company now has to make.

What Does It Mean to Institutionalise Finance?

Institutionalising finance means moving financial knowledge and control out of the founder’s head and into a reliable operating system for the business.

That does not mean bureaucracy.

It does not mean hiring a large finance department.

It does not mean buying an expensive ERP because the company has reached an arbitrary revenue threshold.

It means the business can answer important financial questions reliably without depending on one person.

• Can we trust the monthly numbers?
• Do we know where cash will be in 13 weeks?
• Do we understand what is driving performance?
• Can management see problems before they become crises?
• Are financial controls appropriate for the size of the business?
• Can the board make decisions from the information it receives?
• Would an investor or buyer trust the financial information?
• Can the finance function operate without the founder personally holding it together?

If the answer to several of those is no, the business has probably outgrown its current finance setup.

Mohamed Chaudry’s Finance Function Maturity Framework

I think about finance-function development as seven connected capabilities.

1. Start With Reliable Numbers

Do not start finance transformation with dashboards.

Start with whether the underlying numbers are right.

A growing business needs a predictable monthly close and clear ownership of the core reconciliations.

At minimum, I want confidence around:

• Bank and cash
• Revenue
• Receivables
• Payables
• Payroll
• Accruals and prepayments
• Debt
• Tax
• Intercompany balances where relevant

The management accounts should reconcile to the accounting system.

Management should not have one revenue number in the finance pack and another in the commercial dashboard without understanding why.

2. Build Real Cash Visibility

A profitable business can still run out of cash.

That becomes more important as the company grows because cash timing becomes more complex.

Customers may pay later. Inventory may increase. New markets require investment before revenue arrives. Hiring happens ahead of growth. Tax, debt and capex create large periodic movements.

A growing company normally needs two views of cash.

The objective is not simply to predict the closing bank balance.

It is to give management enough warning to change the outcome.

3. Add Controls Without Creating Bureaucracy

Founders sometimes resist controls because they associate them with large-company bureaucracy.

Poor controls are not entrepreneurial.

They are simply risky.

As the business delegates, it needs proportionate control over:

• Bank access
• Payment approval
• Purchasing
• Supplier setup
• Customer credit
• Expenses
• Payroll changes
• Contracts
• Journal entries
• Financial-system access

The appropriate control environment for a £10m founder-led company is not the same as for a listed multinational.

That is the point.

Controls should match the risk.

4. Move From Budgeting to Real Forecasting

Historic accounts tell you what has already happened.

A scaling company also needs to understand what is likely to happen next.

The forecast should connect financial outcomes to business drivers.

A useful forecast also includes scenarios.

Management should understand the base case, downside and the assumptions that would move the company from one to another.

5. Turn Finance Into Decision Support

This is where the finance function starts behaving differently.

Instead of reporting:

Revenue is 8% below budget.

Finance asks:

• Why?
• Is it volume, price, timing or retention?
• Is the issue temporary or structural?
• What does it do to the full-year forecast?
• What does it do to cash?
• What should management change?

The report becomes the beginning of the conversation rather than the end.

What Should a Management Finance Pack Contain?

The exact pack depends on the company, but a growing business will usually need some version of:

More pages do not make the pack better.

A good pack reduces the time required to understand the business.

6. Build Governance Before Investors Force You To

A funding round often exposes the gap between entrepreneurial finance and institutional finance.

An investor will expect reliable reporting, forecast discipline, documented assumptions, board-quality information and financial controls.

If those only start being built after diligence begins, the company is already behind.

The better approach is to build toward institutional standards as the business approaches institutional capital.

That does not mean pretending to be a public company.

It means being able to answer investor questions with evidence rather than reconstructing the answer after they ask.

7. Build the Finance Team in the Right Order

A common mistake is solving every finance problem by hiring a more senior person.

Seniority should match the work.

A £10m company may need a strong controller and periodic CFO leadership.

It may not need a full-time CFO.

Another company at the same revenue may be raising institutional capital, entering three countries and considering an acquisition.

That company may need significant CFO leadership immediately.

Revenue alone does not determine the structure.

Complexity and consequence do.

What I Learned Building Finance Across Eight Countries

As Group CFO of a business scaling rapidly across eight countries with more than 900 people, a substantial part of my job was exactly this transition.

The business was entrepreneurial and growing quickly.

Finance had to mature without slowing that growth down.

The lesson was that institutionalising finance is not one giant project.

It is a sequence.

You build the reporting the business needs now.

Then the controls required as delegation increases.

Then forecasting as capital allocation becomes harder.

Then governance as boards and investors require more.

Then you strengthen the team so the function no longer depends on the CFO personally producing everything.

A Practical Finance Function Maturity Model

These are not rigid revenue bands.

They describe capability.

Do You Need a Full-Time CFO to Build This?

Not necessarily.

In many founder-led businesses, the design and build phase is more CFO-intensive than the steady-state function that follows it.

For example:

• An Operating CFO diagnoses the gaps
• The reporting and forecasting architecture is rebuilt
• Controls and governance are established
• The team structure is redesigned
• A strong controller or Finance Director takes ownership of the day-to-day function

That can make institutionalising finance particularly suitable for an interim or defined Operating CFO mandate.

The company gets experienced CFO judgement for the difficult build phase without automatically committing to a permanent CFO structure before it needs one.

What Not to Do

Mohamed’s Finance Function Pressure Test