Dockia Blog
Custom software vs SaaS benefits: decision guide for companies
2026-02-18 • 8 min
Strategic comparison to choose between SaaS and custom software based on workflows, TCO, speed, and operating margin.
Choosing between custom software and SaaS depends on your needed operational control, 3-year total cost of ownership, and how fast your processes evolve.
- •Custom software eliminates per-seat recurring costs and adapts business logic to your actual workflows, not the other way around.
- •SaaS is ideal for standard functions (HR, basic billing) but penalizes companies with differentiated processes or high volume.
- •Compare 36-month TCO including licenses, integrations, training, support, and opportunity cost from tool limitations.
Case Study
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FAQ
When does custom software make more sense than SaaS?
When your core processes differentiate you from competitors, when user volume makes per-seat pricing unworkable, or when integrations with existing systems are critical.
How long does it take to recoup custom software costs vs SaaS?
In well-scoped projects, the break-even vs equivalent SaaS typically lands between 18–30 months, with exponential gains from year 3 onward.
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