A busy order book can still leave very little in the bank. Many owner-managed businesses discover this when sales rise but wages, materials, finance costs and overheads rise faster. Learning how to improve profit margins means looking beyond turnover and understanding exactly what each sale contributes to the business.
For a growing business, stronger margins create choices. They provide room to invest, build a cash reserve, reward staff and cope with an unexpected fall in demand. The aim is not to cut every cost or push prices up without thought. It is to make informed decisions that protect the value of the work you do.
Start with the right profit margin figures
Profit margin is the percentage of sales income left after costs. Gross profit margin shows what remains after direct costs, such as stock, materials, subcontractors or delivery. Net profit margin goes further, taking account of overheads including rent, salaries, software, insurance, marketing and professional fees.
Both figures matter. A café may have a healthy gross margin on food but a weak net margin because staffing levels and premises costs are too high. A consultant may have few direct costs but lose profitability through underpriced work and too much non-billable time.
Use management accounts to review margins monthly or quarterly rather than waiting for year-end accounts. Compare the current figure with the same period last year, your budget and, where meaningful, typical levels in your sector. A single percentage is only the beginning. The useful question is why it changed.
Separate margin from markup
Markup is the amount added to cost when setting a selling price. Margin is the proportion of the selling price retained as profit. They are not interchangeable.
If an item costs £60 and is sold for £90, the markup is 50 per cent, but the gross margin is 33.3 per cent. Confusing the two can leave a business pricing well below the level needed to cover its overheads. Build pricing from the margin you need, not from a familiar markup used years ago.
For VAT-registered businesses, assess profitability using sales and costs excluding VAT. VAT collected from customers is generally not income, and VAT paid on eligible business purchases is generally recoverable. Including it can obscure the commercial picture.
How to improve profit margins through better pricing
Pricing is often the quickest area to review, yet many businesses avoid it because they are worried about losing customers. That concern is reasonable, particularly in competitive local markets. However, holding prices still while supplier costs, wages and energy bills increase is also a decision – and usually an expensive one.
Start by calculating the full cost of delivering each product or service. Include labour time, materials, supplier charges, card fees, packaging, travel and a fair share of overheads. For service businesses, factor in time spent quoting, answering queries, correcting errors and managing the client relationship. If those hours are necessary to win and deliver work, they have a cost.
Then review which customers, jobs and product lines genuinely make money. A large client may generate impressive revenue but demand frequent small changes, extended credit and senior staff time. A smaller client on a clear scope and prompt payment terms may be more profitable. This does not automatically mean ending difficult relationships. It may mean changing the scope, minimum order value, payment terms or price.
A price increase is easier to communicate when it is specific and planned. Give appropriate notice, explain the effective date clearly and focus on the quality, reliability or specialist value you provide. Consider phased increases for long-standing customers where appropriate. The right approach depends on your market, contracts and customer base, but pricing should be reviewed routinely rather than only in a crisis.
Control costs without damaging the business
Cost control should not mean buying the cheapest option in every category. A cheaper supplier that causes delays, poor quality or more staff time can reduce margin rather than improve it. The objective is to remove waste and negotiate from a position of knowledge.
Review regular spending line by line. Subscriptions, mobile contracts, merchant fees, utilities, insurance, vehicles and software licences can continue long after they are useful. Ask whether each cost supports sales, delivery, compliance or efficiency. If it does, test whether the business is receiving the right level of value.
Direct costs deserve the same attention. Renegotiate supplier terms when volumes have grown, seek alternatives where quality is comparable and reduce avoidable wastage. Stock-based businesses should monitor slow-moving lines closely. Cash tied up in stock that cannot be sold at a sensible price is not helping either cash flow or margin.
Payroll requires particular care. Staff are often the reason customers stay, so indiscriminate cuts can harm service and create expensive turnover. A more constructive review looks at scheduling, overtime, productivity, training and whether responsibilities are matched to the right level of experience. Better processes can improve output without asking people to work harder for longer.
Make sales mix and operations work harder
Not all revenue is equally profitable. Analyse sales by customer, product, service, location or project to identify where the best returns are being made. This can reveal opportunities to promote higher-margin services, bundle complementary work or stop discounting the products that already sell well.
For trades and project-based businesses, job costing is particularly valuable. Record estimated labour and materials against actual costs for each job. Over time, patterns become clear: certain types of work may consistently overrun, certain sites may create extra travel costs, or quotes may fail to allow for project management. Future estimates can then be based on evidence rather than optimism.
For professional services, capacity is a major driver of margin. Track chargeable time, write-offs and the reasons work exceeds the agreed scope. Clear engagement terms, staged billing and a process for approving additional work can prevent valuable hours disappearing from the invoice.
Small operational improvements also add up. Reducing rework, improving stock ordering, automating repetitive administration and shortening the time between completing work and issuing an invoice can all protect margin. Do not invest in technology simply because it is fashionable. Choose systems that solve a known bottleneck and measure whether they deliver the expected saving.
Protect cash flow as margins improve
Profit and cash are connected, but they are not the same. A business can make a paper profit while struggling to pay suppliers because customers pay late or too much cash is tied up in stock and work in progress.
Set clear credit terms before work begins and invoice promptly. Follow up overdue invoices consistently and make it easy for customers to pay. For larger projects, deposits or stage payments can prevent the business from funding a client’s work for months. Monitor debtor days alongside profit margins, because a sale that is never collected provides no benefit.
A rolling cash flow forecast gives early warning of pressure points. It helps directors see whether a planned purchase, VAT payment, corporation tax liability or payroll run can be funded comfortably. It can also show when there is enough headroom to invest in equipment, recruitment or marketing that supports profitable growth.
Use tax planning as part of the commercial plan
Tax should be managed efficiently, but it should not drive every decision. Spending £1 simply to save corporation tax rarely makes commercial sense. The better question is whether a purchase is needed, affordable and likely to generate a return for the business.
Good records and timely bookkeeping make tax planning more effective. They allow likely VAT, corporation tax and personal tax liabilities to be estimated before deadlines arrive. Depending on the business structure and circumstances, planning may include reviewing remuneration, pension contributions, capital expenditure, available reliefs and the timing of income or costs.
The details depend on the company, its owners and current tax rules, so personalised advice is essential. What works for a limited company may not suit a sole trader, partnership or landlord. The important point is to plan early enough to retain options, rather than looking for last-minute fixes after the financial year has ended.
Turn the numbers into regular decisions
The strongest margin improvements usually come from consistent review, not one dramatic change. Set a small number of measures that are relevant to your business: gross margin, net margin, average sale value, labour recovery, stock wastage, debtor days or profit by project. Review them at a regular management meeting and agree who will take action.
When a figure moves in the wrong direction, investigate quickly. A fall in margin may be caused by a supplier increase, a discount given by one salesperson, an inaccurate quote or an unprofitable contract. Finding the cause while the information is current is far easier than trying to reconstruct it months later.
Your accounts should do more than meet a filing deadline. With up-to-date bookkeeping, practical budgeting and clear management information, they can show where effort is being rewarded and where it is being lost. A regular conversation with an adviser such as RK & Co can bring an independent view to those decisions, particularly when growth is making the business more complex.
Better margins are built by understanding the numbers behind each decision, then making small, timely adjustments with confidence. That gives your business a firmer base for the opportunities ahead.