Gross profit margin
Gross profit margin measures the percentage of revenue that remains after deducting the direct costs of producing or delivering goods and services. It is the first and most important profitability layer in the income statement, revealing whether a business has sufficient pricing power and cost efficiency to fund operations, growth, and profit.
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What is gross profit margin?
Gross profit margin is the share of each pound of revenue that remains after paying the direct costs of delivering the product or service. It is calculated by subtracting cost of goods sold from revenue, then dividing by revenue. The result is expressed as a percentage.
This metric answers a fundamental question: how efficiently does the business convert revenue into profit before operating expenses are considered? A company with a 75% gross margin keeps 75 pence from every pound of revenue to cover sales, marketing, R&D, administration, and profit. A company with a 30% gross margin keeps only 30 pence, leaving far less room for investment and error.
Gross profit margin is distinct from operating margin and net profit margin. Gross margin only accounts for direct costs. Operating margin adds operating expenses (sales, marketing, R&D, admin). Net margin includes all costs, including interest and taxes. Each layer reveals different aspects of business performance, but gross margin is the foundation. If gross margin is weak, no amount of operational efficiency can deliver strong profitability.
How to calculate gross profit margin
Gross Profit Margin = ((Revenue - COGS) / Revenue) x 100
For example, if a company generates 5,000,000 pounds in revenue and incurs 1,500,000 pounds in cost of goods sold, gross profit is 3,500,000 pounds and gross profit margin is 70%.
The challenge lies in correctly classifying which costs belong in COGS. For SaaS companies, COGS typically includes hosting and infrastructure, customer support, payment processing fees, and third-party API costs. For e-commerce, it includes product cost, shipping, packaging, and warehouse labour. Misclassifying operating expenses as COGS (or vice versa) distorts the metric and makes benchmarking unreliable.
| Component | Included in COGS | Not included in COGS |
|---|---|---|
| SaaS | Hosting, support staff, APIs, payment processing | Sales, marketing, R&D, general admin |
| E-commerce | Product cost, shipping, packaging, warehouse labour | Marketing, technology, corporate overhead |
| Manufacturing | Raw materials, direct labour, factory overhead | Sales, R&D, administrative expenses |
| Professional services | Billable staff costs, project materials | Business development, unbillable time, overhead |
Gross profit margin in a metric tree
The tree reveals that gross profit margin improves through two levers: increasing revenue per unit (pricing power) or reducing the direct cost per unit (cost efficiency). Businesses with strong brands or differentiated products can command higher prices, improving the revenue side. Businesses with scale advantages can negotiate better supplier terms and spread fixed infrastructure costs across more units, improving the cost side. The most profitable businesses improve both simultaneously.
Gross profit margin benchmarks
| Industry | Typical gross margin | Notes |
|---|---|---|
| SaaS | 70-85% | Best-in-class exceed 80%. Margins below 70% warrant investigation. |
| E-commerce | 30-50% | Varies by product category. Private label products have higher margins. |
| Manufacturing | 25-45% | Capital-intensive with higher COGS. Automation improves margins over time. |
| Professional services | 40-60% | Constrained by utilisation rates and billable vs non-billable time. |
| Retail (grocery) | 25-35% | Thin margins offset by high volume and inventory turnover. |
| Marketplace (on take rate) | 60-90% | High margins on commission revenue but lower on first-party sales. |
For SaaS companies, gross margin is a key indicator of business quality. Investors and analysts use it to assess scalability because high gross margin means the cost of serving each additional customer is low relative to the revenue they generate. A SaaS company with 80% gross margin has far more room to invest in growth than one with 60% gross margin. Gross margin is also a core input to the Rule of 40 framework.
How to improve gross profit margin
- 1
Review and optimise pricing
Many businesses underprice their products relative to the value they deliver. Conduct pricing research, test price increases on new customers, and implement value-based pricing tiers. Even a 5% price increase flows directly to gross margin if volume remains stable.
- 2
Reduce infrastructure costs through scale and negotiation
Renegotiate cloud hosting, API, and payment processing contracts annually. Implement reserved capacity pricing, auto-scaling, and architecture optimisations. Infrastructure costs should grow more slowly than revenue.
- 3
Automate service delivery
Reduce the human labour component of COGS by investing in self-serve support, automated onboarding, and product-led service delivery. Every support ticket or manual process eliminated improves gross margin permanently.
- 4
Shift revenue mix towards higher-margin products
If the business sells a mix of products or services with different margins, focus sales and marketing efforts on the higher-margin offerings. Professional services often carry lower margins than software, so shifting the mix towards software revenue improves the overall blended margin.
Related metrics
Cost of Goods Sold
COGS
Financial MetricsMetric Definition
COGS = Beginning Inventory + Purchases During Period - Ending Inventory
Cost of goods sold (COGS) represents the direct costs attributable to producing the goods or delivering the services that a company sells. It is the single largest determinant of gross margin and a critical input to pricing and profitability analysis.
Operating Margin
Core business profitability
Financial MetricsMetric Definition
Operating Margin = (Operating Income / Revenue) x 100
Operating margin measures the percentage of revenue that remains after paying for both cost of goods sold and operating expenses. It isolates the profitability of core business operations, excluding the effects of financing decisions and tax strategies.
Gross Profit
Revenue minus cost of goods sold
Financial MetricsMetric Definition
Gross Profit = Revenue - Cost of Goods Sold (COGS)
Gross profit is the revenue remaining after deducting the direct costs of producing goods or delivering services. It represents the profit available to cover operating expenses, debt service, and generate net income.
Decompose gross margin into its pricing and cost drivers
Build a metric tree that breaks gross profit margin into revenue per unit and cost per unit so you can identify whether pricing improvements or cost reductions will have the greatest impact on profitability.
