Introduction
Gross margin is the structural feature that makes SaaS economics fundamentally different from every other business model in TMT. A SaaS company with 80% gross margins converts $0.80 of every revenue dollar into gross profit available for R&D, sales, marketing, and operating profit. A hardware company at 35% gross margins or an IT services company at 30% gross margins must generate nearly three times the revenue to produce the same gross profit dollars. This margin advantage is the foundation of the SaaS valuation premium and the reason why SaaS companies trade on revenue multiples rather than EBITDA multiples.
What COGS Includes in a SaaS Business
SaaS cost of goods sold is narrower and lower than in most businesses because there is no manufacturing, no physical distribution, and no raw materials. SaaS COGS typically includes:
- SaaS Cost of Goods Sold (COGS)
The direct costs of delivering the software service to customers. For SaaS companies, this includes: cloud infrastructure costs (compute, storage, and bandwidth from AWS, Azure, or Google Cloud), customer support and success team costs directly attributable to service delivery, third-party software and data costs embedded in the product, DevOps and site reliability engineering (SRE) costs for maintaining uptime and performance, and payment processing fees. SaaS COGS explicitly excludes R&D (product development), sales and marketing, and general and administrative expenses, which sit below the gross margin line.
Cloud infrastructure is typically the largest single COGS component, representing 10-25% of revenue for most SaaS companies. Companies running compute-intensive workloads (AI inference, real-time data processing, video streaming) sit at the higher end, while companies delivering lightweight application software sit at the lower end. Customer support costs represent another 5-10% of revenue, with the ratio declining as companies shift from human support to automated and self-service models.
The critical economic insight is that SaaS COGS scales sub-linearly with revenue. Adding 1,000 new customers to a SaaS platform increases cloud costs marginally (more compute and storage) but does not proportionally increase support costs, DevOps headcount, or third-party fees. This creates operating leverage within the gross margin itself: as the company scales, gross margins tend to improve because revenue grows faster than the cost of delivery.
Gross Margin Benchmarks and Tiers
SaaS gross margins cluster in a relatively narrow band, but the differences within that band have significant implications for valuation.
| Gross Margin Range | What It Signals | Typical Business Profile |
|---|---|---|
| 85-90% | Highly efficient cloud-native platform | Pure software, product-led growth, minimal support costs |
| 75-85% | Strong SaaS economics | Standard enterprise SaaS with dedicated support |
| 70-75% | Acceptable but room for improvement | Higher support costs, some professional services bundled |
| 60-70% | Blended model concerns | Heavy professional services, infrastructure-intensive, or AI compute costs |
| Below 60% | Not a true SaaS business | Likely tech-enabled services or hardware-dependent |
The current 2025 benchmark target is 75% or higher for subscription-only gross margin. Total gross margin (including professional services revenue, which carries lower margins of 20-40%) typically ranges from 71-72%. TMT bankers evaluating a SaaS company should always separate subscription gross margins from blended gross margins, because the subscription margin reflects the quality of the core business model while blended margins are diluted by lower-margin services.
Why Gross Margins Matter for Valuation and M&A
Gross margin quality directly affects how a SaaS company is valued and how attractive it is as an acquisition target.
Gross margins determine operating leverage. A company with 80% gross margins that grows from $50 million to $100 million in ARR generates $40 million in incremental gross profit. If operating expenses grow by only $20 million over the same period, the company captures $20 million in incremental operating income, a 40% incremental EBITDA margin on the new revenue. A company with 65% gross margins generates only $32.5 million in incremental gross profit from the same revenue growth, capping the potential EBITDA margin expansion. This is why PE firms like Thoma Bravo prefer targets with gross margins above 75%: the operating leverage is simply more powerful.
Gross margins signal business model quality. A SaaS company with 85% gross margins is delivering pure software with minimal delivery cost, indicating high scalability and low variable cost per customer. A SaaS company at 65% has either a heavy services component, an infrastructure-intensive product, or cost structure inefficiencies. In M&A processes, low gross margins relative to peers require explanation and create buyer skepticism about the purity and scalability of the SaaS model.
Gross margin improvement is a PE value creation lever. When a PE firm acquires a SaaS company, one common operational improvement is to improve gross margins by 3-5 percentage points through renegotiating cloud hosting contracts (volume discounts from AWS or Azure), automating customer support (reducing headcount), and optimizing infrastructure architecture (reducing compute waste). Each point of gross margin improvement flows directly to EBITDA and multiplies through the exit valuation.
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