2 min read
What net margin measures
Net margin (also called net profit margin) divides net profit after tax by total revenue and expresses the result as a percentage. A figure of 8% means the business retains £8 from every £100 of turnover after paying all operating costs, financing charges, and corporation tax.
Unlike gross margin, which stops at cost of goods sold, net margin captures the full cost stack — wages, overheads, depreciation, and interest. That makes it a more complete picture of trading efficiency.
How lenders use net margin
Commercial lenders examine net margin when evaluating whether a business generates enough profit to cover debt repayments. A borrower with high revenue but a thin or negative net margin may struggle to meet regular instalments, even if headline turnover looks strong.
Lenders typically compare a company's net margin against sector averages rather than applying a universal threshold. Retail and distribution businesses commonly run at 2–5%, while professional services firms may exceed 20%. Context matters more than the absolute number.
Where net margin has deteriorated over the look-back period, a lender will generally ask the director to explain the trend before proceeding. Illustrative figures used here are not a quote or offer.
Improving net margin before a credit application
Directors preparing a lending application can strengthen their position by addressing margin compression early. Common levers include renegotiating supplier contracts, reducing discretionary overhead, and retiring high-cost short-term debt that inflates interest charges.
Where a temporary event — a one-off write-off or an exceptional cost — has suppressed recent net margin, it is worth providing a clear management-accounts explanation alongside the application. Lenders routinely adjust for non-recurring items when the supporting narrative is credible.
Related metrics
Net margin sits alongside gross margin and EBITDA margin in a lender's profitability review. Debt service cover ratio translates profitability into a direct repayment capacity test, while working capital measures the short-term liquidity that sustains day-to-day operations.
Frequently asked questions
Is there a minimum net margin lenders require?
There is no universal minimum. Lenders set thresholds relative to your sector and loan structure. A business with a consistently positive margin, steady revenue, and adequate security can often borrow even where the margin is modest.
Does net margin affect interest rates offered?
Profitability is one pricing input alongside security, loan-to-value, and loan term. A stronger margin may support a lower risk weighting, but pricing depends on the full credit picture. Any rates quoted are indicative, not contractual.
Funding for UK limited companies
Credicorp lends to your company, not to you personally — short-term working capital with no personal guarantee. See what your business could access.