Your SaaS Stack Is Costing You More Than You Think
You’ve probably had this conversation: someone in your team mentions they’re switching between five different tools to complete one piece of work, re-entering data multiple times because nothing talks to anything else. You shrug and move on—it’s just how modern business works, right?
Wrong. That £350-a-month subscription stack you’ve built is only the beginning of the cost.
When you add up the real expense—not just the fees, but the time your team spends switching tools, correcting duplicated data, training new staff on six different interfaces, and building spreadsheet workarounds for the gaps between your tools—you’re often looking at paying for a full-time employee worth of wasted hours. Every single week.
The Math That Nobody Tells You
Let’s work through a realistic example. A service business with eight team members uses six different SaaS tools:
Monthly SaaS spend: £350 across CRM, project management, invoicing, time tracking, document management, and accounting.
But here’s what’s really happening:
• A project manager spends 2 hours a week copying data from the CRM into the project tool.
• Your bookkeeper re-enters invoices manually into the accounting system because the invoicing tool doesn’t integrate.
• New team members take three weeks to learn how to navigate the ecosystem and find information.
• Someone maintains a master spreadsheet that’s not quite synced with any official system, which breaks monthly.
• Your team lead spends Friday afternoons reconciling data across platforms.
That’s roughly 5-7 hours per week of frustrated, repetitive work that generates zero value.
At an average billable rate of £35-50 per hour (cost to your business, not what you charge clients), you’re burning £10,000-£18,000 a year on manual workarounds. On top of the £4,200 you’re already paying in subscriptions.
Total real cost: £14,000-£22,000 annually. That’s the salary of a part-time employee—except you’re not getting any strategic work from them.
The Alternative: One System Built For You
A custom business application for a team your size typically costs £10,000-£15,000 to build, with ongoing maintenance at £1,000-£1,500 monthly.
Year one cost: £22,000-£33,000.
But everything talks to everything. There’s no re-entering data, no spreadsheet chaos, no switching tax. Your team loses the friction and gains back 5-7 hours per week.
By year two, you’re paying £12,000-£18,000 annually while your SaaS stack still costs £14,200. After three years, your custom system has paid for itself multiple times over—and it gets better as you refine it based on how your team actually works.
Do the Math Yourself
Here’s a simple calculation you can do right now:
1. Add up all your monthly SaaS subscriptions and multiply by 12.
2. Estimate the total hours your team spends per week on data entry, copying, manual workarounds, and tool-switching. Be honest—include training time for new staff.
3. Multiply those hours by your average hourly cost (salary ÷ 1,800).
4. Add the two numbers together.
If that total is over £15,000 annually, a custom application probably makes financial sense.
Not Every Business Needs Custom Software
Before you think we’re pushing everyone toward bespoke development: if your processes are straightforward, your team is small, and your current stack works, don’t fix what isn’t broken. Off-the-shelf tools are often genuinely the right choice.
But if you’re managing multiple platforms, losing data quality, drowning in spreadsheets, or onboarding people for three weeks, the hidden cost of your SaaS stack is probably drowning your margins.
The question isn’t “Can we afford a custom app?”—it’s “Can we afford to keep pretending our current setup is free?”
If you’re curious about what that math looks like for your specific situation, let’s do the calculation together. No obligation, just clarity. Head to our app development page to start a conversation.
Frequently Asked Questions
Q: What if we’re only spending £100-150 a month on SaaS tools?
Even at lower subscription costs, if your team is losing 5+ hours weekly to workarounds, the true cost is still likely £10,000+. The fee is just the visible tip. Calculate the hidden hours—that’s where the real expense lives.
Q: How long does it take to build a custom app?
For a typical SMB application (CRM-style system, workflow automation, integrations), 8-12 weeks is realistic. You’ll see working prototypes in weeks 2-3. Some businesses go live in 6 weeks with a focused scope.
Q: What if we outgrow a custom app?
That’s actually good news. A well-built system is designed to scale. Adding features or users usually costs far less than buying new SaaS tools. It’s infinitely more flexible than being locked into a vendor’s feature set.
Q: Aren’t custom apps difficult to maintain?
Well-built custom apps require far less maintenance than people expect. We build them with clean code, clear documentation, and ongoing support. Bugs are rarer than in complex SaaS integrations because there’s less moving parts.
Q: What happens if we need to switch vendors later?
Your data is yours. A custom app built on modern architecture means you can export, migrate, or integrate with other systems easily. You’re never locked in—that’s the whole point.
Q: How do we know if we’re a good fit for custom software?
Read our guide on when to replace your SaaS stack with a custom application. If three or more signals match your situation, it’s worth a conversation.
