Web & Software

Custom Software or Ready-Made Platform? 5 Decision Questions for SMEs

May 18, 20264 min read

Getting this question wrong can cost hundreds of thousands of lira over five years. Here are 5 questions to help you make the right call, with real numbers.

You've decided to go digital. You want to move your accounting, order tracking, or customer management into software. Two roads lie ahead: a ready-made platform with a monthly subscription, or a custom-built solution. Which makes more sense? The answer is far more nuanced — and far more consequential — than you might think.

Watch out: In 2026, the vast majority of buyers discover a SaaS platform's hidden costs only after purchasing. The gap between the entry price and the real 5-year cost can be significant.

Question 1: Is your workflow industry-standard or unique to you?

Sales tracking, basic accounting, appointment scheduling — these work similarly across industries. Ready-made platforms make sense here; thousands of businesses have faced the same needs and those tools have matured. But if you have custom production order rules in manufacturing, multi-step driver-based approval flows in logistics, or sector-specific calculations like waste ratios in textiles, a ready-made platform will likely box you in. Ask yourself: how many workarounds have I built just to use this platform? Every workaround is a hidden cost.

Question 2: How many years will you use it, and how many users will there be?

For a 1-2 year need or a small team of 5-10 people, the low upfront cost of a ready-made SaaS is a real advantage. But for longer horizons and growing teams, the picture shifts. Analysis at the 50-user scale shows that the total cost of custom software overtakes the SaaS subscription stack at around the 28th month — and every month after that goes straight into savings. You can run the math yourself: multiply your monthly subscription fee by 36. Compare that figure to a custom software quote. Which is larger?

Question 3: Where is your data, and who controls it?

Customer records, order history, and financial data uploaded to a ready-made platform live on that platform's servers. If you decide to leave, can you export your data? In what format? How quickly? If you don't ask these questions upfront, you may find yourself locked in. For SMEs in Turkey, there's an additional layer: KVKK (personal data protection law). If your customer and financial data is processed on servers abroad, you'll need extra technical and legal steps to stay compliant. With custom software, your data sits wherever you decide — and moves whenever you want.

Question 4: Does this software set you apart from competitors?

If your competitor uses the same platform, that software gives you no competitive edge — it's just a cost. For standard processes like accounting, payroll, or email, there's no point reinventing the wheel; buy a ready-made solution. But if you have unique processes that directly shape your customer experience — a proprietary quoting engine, a custom logistics flow, a bespoke client portal — custom development creates real value in that 10-20% differentiating slice. The smartest approach today is usually both: SaaS for the standard stuff, custom for the parts that set you apart.

Question 5: Have you calculated the real 5-year cost of the ready-made platform?

  • Initial license and setup fee — visible on the first invoice, but implementation assistance may be billed separately.
  • Per-user scaling — how does the price change when you go from 10 to 40 users? Check the pricing table.
  • Integration development costs — connecting the platform to your accounting software, e-commerce stack, or logistics provider may require technical work.
  • Annual price increases — many major platforms have raised prices significantly in recent years; assume some rate of increase over the next five years.
  • Forced plan upgrades — the feature you actually need is often in the next tier up.
  • Currency risk — foreign-currency subscriptions quietly erode your budget when the Turkish lira loses value. Local SaaS or custom software eliminates this risk.
  • Exit costs — data migration, retraining staff, and redesigning processes.
In Turkey, KOSGEB's SME Digital Transformation Support Programme offers grant and interest-support options for digital expenditures, including custom software projects. A DDX (Digital Transformation Maturity Report) is required to apply — look into this step before you start your project.

'We'll start with a ready-made platform and switch when we grow' usually doesn't work out. Switching means starting from scratch — accumulated data, customer profiles, and automation all need to be rebuilt. The decision needs to be sound from the very beginning.

Adorb Dijital

There is no single formula for this decision — but when you answer the five questions above honestly, the picture becomes clear. If your workflows are standard and your horizon is short, a ready-made platform is a sensible starting point. If you have unique processes, a growing team, and long-term plans, the real cost of custom software may be lower than it appears. The most common mistake is treating the two as rivals; for most SMEs, the smart answer is the right combination of both.

Tags:custom softwareSaaSdigital transformationSMEsoftware selection