What is profitability?

Published Wednesday 17 June 2026

Table of contents

• What is profitability?
• Profit vs profitability
• How to measure profitability
• How to calculate profitability
• Why profitability matters
• What affects profitability
• How to increase profitability
• Track your profitability with Xero
• FAQs on profitability

Key takeaways

• Profitability measures how efficiently your business turns revenue into profit, while profit is simply the total amount of money left after expenses.
• There are several profitability ratios you can use, including gross profit margin, net profit margin, operating profit margin, EBITDA, return on assets and return on equity.
• Improving profitability often comes down to managing costs, reviewing your pricing, reducing inefficiencies and getting paid on time.
• Tracking your profitability regularly helps you spot problems early and make confident decisions about where to invest your time and money.

What is profitability?

Profitability is a measure of how efficiently your business converts its revenue into profit. Unlike profit, which is a flat number, profitability is expressed as a ratio or percentage that shows how much of each pound you earn actually ends up as profit.

For small businesses, profitability is one of the clearest indicators of financial health. A business can bring in strong revenue but still struggle if too much of that income goes toward covering costs. Understanding your profitability helps you set prices, control expenses and plan for growth with confidence.

Profit vs profitability

Profit and profitability are related but they tell you different things about your business. Knowing the difference helps you make better financial decisions.

Profit is the total amount of money your business keeps after paying all its expenses. It's a straightforward number. If your business earned £200,000 in revenue and spent £150,000, your profit is £50,000.

Profitability, on the other hand, is the percentage of revenue that becomes profit. It shows how efficiently your business operates. Using the same example, your profitability (net profit margin) would be 25%, because £50,000 is 25% of £200,000.

For example, Business A earns £1,000,000 in revenue and keeps £50,000 in profit. That sounds like a lot, but it's only a 5% profit margin, meaning high revenue but low profitability. Business B earns £100,000 in revenue and keeps £40,000 in profit. That's a 40% profit margin: lower revenue but much higher profitability.

Business A has more profit in absolute terms, but Business B is far more efficient at converting sales into earnings. Most small businesses benefit from focusing on profitability rather than chasing revenue alone.

How to measure profitability

There are several ratios you can use to measure profitability, and each one gives you a different view of your business's financial performance. The numbers you need for these calculations can be found on your profit and loss statement. For a deeper dive into each ratio, see our guide to profitability ratios.

Gross profit margin

Gross profit margin shows what percentage of your revenue is left after covering the direct costs of delivering your products or services. These direct costs are also called cost of goods sold (COGS).

A high gross profit margin means you're keeping a large share of each sale before accounting for overheads like rent, marketing or salaries. It's a useful starting point for understanding whether your pricing covers your production costs. Learn more in our guide to profit margin.

Net profit margin

Net profit margin goes further than gross profit margin by accounting for all your business expenses, not just direct costs. This includes overheads like rent, utilities, insurance, marketing and loan interest.

This ratio gives you the clearest picture of your overall profitability. It tells you what percentage of every pound earned actually stays in your business after everything has been paid.

Operating profit margin

Operating profit margin measures the profit your business generates from its core operations, before interest and tax. It strips out financing costs and tax obligations to show how well your day-to-day business activities perform.

This ratio is particularly helpful if you want to evaluate how efficiently you're running your business without the influence of your tax situation or how you've structured your borrowing.

EBITDA

EBITDA stands for earnings before interest, taxes, depreciation and amortisation. It measures your business's operating performance by removing the effects of financing decisions, tax environments and non-cash accounting entries.

While EBITDA is more commonly associated with larger companies, it can be useful for small businesses that are seeking investment, applying for funding or considering a sale. It gives potential investors or buyers a cleaner view of your operational earnings.

Return on assets (ROA)

Return on assets shows how effectively your business uses its assets to generate profit. It compares your net profit to your total assets, including equipment, property, inventory and cash.

A higher ROA means you're getting more value from what you own. This ratio is especially relevant if your business holds significant physical assets or inventory.

Return on equity (ROE)

Return on equity measures how much profit your business generates relative to the equity invested in it. If you have business partners or investors, ROE shows how well you're using their capital to create returns.

Even for sole traders, ROE can be a useful benchmark. It helps you understand whether the money you've invested in your business is working harder than it would in other investments.

How to calculate profitability

Once you know which profitability ratios matter for your business, the calculations are straightforward. Here are the formulas and worked examples for the most common ratios.

Gross profit margin

Gross profit margin = (Revenue - Cost of goods sold) / Revenue x 100

For example, if your business earned £120,000 in revenue and your cost of goods sold was £45,000, your gross profit margin would be: (£120,000 - £45,000) / £120,000 x 100 = 62.5%. That means you keep 62.5p of every pound earned after covering direct costs.

Net profit margin

Net profit margin = (Revenue - All business expenses) / Revenue x 100

Using the same £120,000 revenue, if your total business expenses (including direct costs, rent, salaries, marketing and other overheads) came to £96,000, your net profit margin would be: (£120,000 - £96,000) / £120,000 x 100 = 20%. That means 20p of every pound earned is actual profit.

Operating profit margin

Operating profit margin = Operating profit / Revenue x 100

If your operating profit (revenue minus operating expenses, but before interest and tax) was £30,000 on £120,000 revenue: £30,000 / £120,000 x 100 = 25%.

EBITDA

EBITDA = Net profit + Interest + Taxes + Depreciation + Amortisation

If your net profit was £24,000, you paid £3,000 in interest, £5,000 in taxes and had £4,000 in depreciation and amortisation, your EBITDA would be: £24,000 + £3,000 + £5,000 + £4,000 = £36,000.

Return on assets (ROA)

ROA = Net profit / Total assets x 100

If your net profit was £24,000 and your total assets were worth £200,000: £24,000 / £200,000 x 100 = 12%.

Return on equity (ROE)

ROE = Net profit / Shareholder equity x 100

If your net profit was £24,000 and the total equity in your business was £80,000: £24,000 / £80,000 x 100 = 30%.

You can find the figures you need for these calculations on your profit and loss statement and balance sheet.

Why profitability matters

The more profit you capture from each sale, the more efficient your business is. Higher profitability means that growth in sales translates directly into stronger earnings. It also means you can maintain a good income without needing to work more hours or take on more clients.

Profitability is under real pressure for many UK small businesses right now. Xero Small Business Insights (XSBI) data from 440,000 UK small businesses shows that sales grew just 2.9% year on year in the March quarter of 2026, the smallest rise in 2 years, while energy and finance costs continued to climb. That combination of slower revenue growth and rising expenses is squeezing margins across the board.

Profitability also plays a central role when you're making decisions about your business. It helps you work out which products or services are worth investing in, whether your pricing is right and where you might be overspending. Without a clear view of your margins, it's easy to grow revenue while your actual earnings shrink.

Lenders and investors look at profitability too. If you're applying for a business loan or seeking outside funding, strong profitability ratios show that your business can generate returns, not just revenue.

What affects profitability

Several factors influence how profitable your business is, and most of them are within your control. Understanding what drives your margins helps you take action before small issues become bigger problems.

Revenue and pricing

Your pricing strategy has a direct impact on profitability. Setting prices too low can mean you're busy but not earning enough to cover your costs. Regularly reviewing your prices, especially as your own costs rise, helps protect your margins.

Cost management

Direct costs like materials and stock, along with indirect costs such as rent and utilities, eat into your profit. Keeping a close eye on where your money goes and renegotiating with suppliers can make a meaningful difference.

Competition and market conditions

External factors like new competitors, shifts in customer demand or economic downturns can all affect your profitability. Staying aware of your market helps you adapt your pricing, products or services before margins take a hit.

Operational efficiency

How you run your business day to day matters. Time spent on manual admin, duplicated processes or chasing late payments is time that could go toward revenue-generating work. Streamlining your operations, whether through better workflows or automation, directly supports stronger margins.

How to increase profitability

Improving profitability doesn't always mean earning more. Often it's about keeping more of what you already earn. For a more detailed breakdown, see our guide on how to increase profits. Here are practical steps you can take.

• Review your pricing regularly and increase prices where the market supports it.
• Cut back on discounts and promotions that don't generate a clear return.
• Set clear targets for your marketing spend so every pound has a measurable impact.
• Shop around for suppliers and negotiate better rates, or buy in bulk where it makes sense.
• Streamline your workflows to reduce wasted time and duplicated effort.
• Track projects against budgets so you can spot overruns before they affect your bottom line.
• Automate repetitive tasks like invoicing, bank reconciliation and expense tracking to free up your time.

Late payments can also erode profitability by tying up cash that could be reinvested. XSBI data shows UK small businesses waited an average of 29 days to be paid in early 2026, with payments arriving 8.2 days past terms. Chasing overdue invoices and managing cash-flow gaps adds hidden costs that eat into margins, making prompt invoicing and clear payment terms another lever worth pulling.

Track your profitability with Xero

Keeping on top of your profitability starts with having clear, up-to-date financial data. Xero's cloud accounting software gives you a real-time view of your income, expenses and margins, all in one place.

With automated bank feeds, invoicing and expense tracking, you spend less time on manual bookkeeping and more time understanding your numbers. Customisable reports, including profit and loss statements and trend analysis, make it straightforward to monitor your margins and spot changes early.

Whether you're reviewing your gross profit margin or tracking overdue invoices, Xero helps you stay in control of your profitability. Get one month free.

FAQs on profitability

Here are answers to some frequently asked questions about profitability.

What is a good profit margin for a small business?

A good net profit margin varies by industry, but most small businesses aim for somewhere between 7% and 10%. Service-based businesses often achieve higher margins than those selling physical products, because they typically have lower direct costs.

How often should you review your profitability?

You should review your profitability at least once a month. Monthly reviews help you catch trends early, such as rising costs or declining margins, so you can adjust before they become a bigger problem.

What is the most common profitability ratio?

Net profit margin is the most widely used profitability ratio because it accounts for all your business expenses. It gives you the clearest single number for how much of your revenue you're actually keeping as profit.

Can a business be profitable but still fail?

Yes. A business can show a healthy profit margin on paper but still run into trouble if it doesn't have enough cash to cover day-to-day expenses. This is why monitoring cash flow alongside profitability is so important.

How can accounting software help with profitability?

Accounting software automates data entry and calculations, giving you accurate, real-time profitability figures without manual spreadsheet work. It also makes it easier to generate reports, track trends over time and identify areas where you can cut costs or improve pricing.