Gross Margin in Startup Finance

Gross margin is the percentage of revenue remaining after subtracting the direct costs of delivering your product or service. It is one of the most important financial metrics for any startup.

Investors look at gross margin early because it signals whether a business can eventually be profitable. High gross margins give startups room to invest in growth. Low margins often mean structural problems that are hard to fix later.

Key Takeaways

• Revenue minus COGS: Gross margin equals revenue minus cost of goods sold (COGS), divided by revenue, expressed as a percentage.
• SaaS margins are typically high: Software businesses often achieve 60-80% gross margins because digital products have low marginal delivery costs.
• Low margins limit growth: A business with thin gross margins has less money left over to invest in sales, marketing, and product development.
• Investors use it to benchmark: Gross margin tells investors how capital-efficient your business model is compared to other companies in the same sector.

What is Gross Margin?

Gross margin is the portion of revenue remaining after subtracting the direct costs of producing or delivering your product. It is calculated as (Revenue minus COGS) divided by Revenue, multiplied by 100 to express it as a percentage.

A 70% gross margin means that for every $100 in revenue, $70 remains after covering the direct cost of delivery. That $70 must then cover all operating expenses.

• COGS for SaaS: In software, direct costs include hosting, third-party software licenses, payment processing fees, and customer success salaries directly tied to delivery.
• COGS for physical products: For hardware or consumer goods startups, COGS includes manufacturing, materials, shipping, and packaging costs.
• Not the same as profit: Gross margin does not account for operating expenses like sales, marketing, engineering, or general and administrative costs.

According to Bessemer Venture Partners' SaaS benchmarks, top-tier SaaS businesses maintain gross margins of 70-80% or higher as they scale.

How Gross Margin Works in Practice

In practice, gross margin is tracked monthly alongside revenue and helps founders understand how efficiently the business delivers its product. It changes as you add headcount, switch infrastructure providers, or negotiate better supplier pricing.

Tracking gross margin monthly gives founders an early warning when delivery costs are creeping up faster than revenue.

• Hosting costs affect SaaS margins: As usage grows, cloud infrastructure costs rise. Founders who do not optimize infrastructure spend see margins compress as the product scales.
• Customer success allocation: If your CS team spends most of their time on onboarding and support, some portion of their salaries should be counted in COGS, reducing gross margin.
• Pricing affects margin directly: Raising prices while keeping delivery costs stable is the simplest way to improve gross margin without cutting anything.

The discipline of reviewing gross margin monthly catches problems early. A margin that was 75% at $100K ARR should not quietly drop to 55% at $500K ARR without a clear explanation.

Why Gross Margin Matters for Startups

Gross margin matters because it determines how much of each dollar of revenue is available to fund growth. High margins give startups the financial flexibility to invest in sales, marketing, and product while low margins force constant tradeoffs.

Startups with thin margins often find themselves unable to afford the growth investments that competitors with healthier margins can make freely.

• Scalability signal: A business where each new customer costs nearly as much to serve as they pay creates a margin problem that gets worse, not better, with scale.
• Fundraising conversations: Investors compare gross margins across portfolio companies and benchmarks. Being below sector average raises questions that founders need clear answers for.
• Path to profitability: A startup needs sufficient gross margin to eventually cover operating expenses. Without it, the path to profitability requires either price increases or cost reductions that may not be feasible.

Understanding your gross margin and what drives it gives you a clear lever for improving your financial position without needing more revenue.

What is a Good Gross Margin for a Startup?

A good gross margin depends on the business model. SaaS companies typically target 70-80%. Marketplaces run 50-70%. Hardware or physical product startups often see 30-50%. Below-sector margins always require a clear explanation.

There is no universal target because different business models have fundamentally different cost structures.

• SaaS at 70-80%: Software businesses with low marginal delivery costs should achieve margins in this range. Below 60% for SaaS often signals over-reliance on services or high support costs.
• Marketplace at 50-70%: Platforms that take a cut of transactions have margins in this range, depending on payment processing and trust-and-safety costs.
• Hardware below 50%: Physical products carry higher COGS from manufacturing, materials, and logistics, making 30-50% margins typical and sometimes acceptable to investors.

Knowing your sector benchmark and understanding why you are above or below it is more important than hitting a specific number in isolation.

Conclusion

Gross margin is not just a financial metric. It is a signal about whether your business model is fundamentally sound. Founders who understand it early make better pricing, hiring, and investment decisions. At LOW/CODE Agency, we help founders build software products designed for strong unit economics from day one.

At LOW/CODE Agency, we've helped 450+ clients build and scale digital products. Our clients include global brands like Medtronic, American Express, Coca-Cola, Zapier, and Sotheby's.

Frequently Asked Questions

What is the formula for gross margin?

Gross margin equals (Revenue minus Cost of Goods Sold) divided by Revenue, multiplied by 100 to express as a percentage.

Is gross margin the same as profit margin?

No. Gross margin only subtracts direct delivery costs. Profit margin also subtracts operating expenses like sales, marketing, and administrative costs.

What is a healthy gross margin for a SaaS startup?

Most SaaS benchmarks target 70-80%. Below 60% is a concern for investors and usually indicates high service or support costs embedded in delivery.

Can a startup have a negative gross margin?

Yes, and it is more common than people think in early stages. It means the cost to deliver the product exceeds what customers pay, which is unsustainable long-term.

How do you improve gross margin?

Raise prices, reduce delivery costs through infrastructure optimization, negotiate better supplier terms, or reduce the manual service element of product delivery.

Why do investors look at gross margin before profitability?

Because gross margin shows the structural efficiency of the business model. A startup losing money but with 80% gross margins has a path to profitability. One with 20% margins does not.