Decision guide
Bespoke software vs off-the-shelf: the honest framework
Vendors will tell you to buy. Developers will tell you to build. Here's the framework we actually use with clients — including the cases where bespoke is the wrong answer.
Start with the only question that matters
Is the process you're trying to support a commodity or a differentiator? Payroll, accounting, email — commodity. Every business does them the same way, brilliant off-the-shelf products exist, and customising them is burning money. Buy, configure lightly, move on.
But the process that makes customers choose you — how you quote, schedule, price, deliver, or manage the data only you have — is a differentiator. Forcing it into generic software means sanding off the edges that made you competitive. That's where bespoke earns its keep.
The real cost comparison
Off-the-shelf looks cheaper because the subscription is the visible number. The honest comparison includes the invisible ones:
- Per-seat pricing forever. £40/user/month across 25 staff is £12,000 a year, every year, rising with each price review. Ten years of that funds a substantial bespoke build you'd own outright.
- The workaround tax. Every "we just export it to Excel and fix it there" is payroll spent compensating for software that almost fits. Put hours against it — our ROI calculator makes that a two-minute job.
- Integration friction. Off-the-shelf tools each hold a slice of your data; making them agree often costs more than the tools themselves.
- Bespoke's own costs. Build price, hosting, and a maintenance allowance — typically a modest annual percentage of the build cost. Anyone who quotes a build with zero ongoing cost is hiding something.
When off-the-shelf is the right answer
We tell clients to buy, not build, when a mature product covers 85%+ of the need, when the process is genuinely standard, when they need it live in a fortnight, or when there's no appetite to own software at all. Bespoke systems are assets, and assets need owners. If nobody in the business will care about it after launch, buy the subscription.
When bespoke wins decisively
- The workflow is the competitive advantage, and generic tools flatten it.
- You're paying for three or four overlapping subscriptions plus the spreadsheets that glue them together.
- Per-seat costs are scaling painfully with headcount.
- Off-the-shelf vendors keep saying "that's on the roadmap" about the one feature you actually need.
- Your data is the asset, and you want it in a system you control rather than hostage to a vendor's export button.
The hybrid most businesses miss
This is rarely all-or-nothing. The pattern that works for most SMEs: keep commodity functions on excellent off-the-shelf products, and build the differentiating layer — the quoting engine, the client portal, the operations dashboard — bespoke, integrated with what you keep. You get ownership where it matters and someone else's R&D budget where it doesn't. Much of our bespoke work is exactly this connecting layer, and on Microsoft-centric estates the platform you already pay for often supplies the plumbing.
Where we fit in
Power Analytix builds exactly this kind of solution — scoped in writing, priced fixed, delivered by senior engineers. If you'd rather have it done than read about it, book a free scoping call.
The five-question test
- Does this process differentiate us, or is it commodity?
- What does "almost fits" cost us per year in workarounds and seats?
- Will a named person own this system after launch?
- What happens to our data if we leave the vendor — or the developer?
- Have we priced the hybrid, not just the extremes?
Answer those honestly and the decision usually makes itself. If you'd like a second opinion with no agenda — we build bespoke software and regularly tell people not to buy it — ask us.