Custom software or SaaS – when does which solution pay off for your company?

Buy or build: the questions that support the decision

The starting point is not technology but process. If your workflow is standard for your industry – writing invoices, managing appointments, creating quotes – a ready-made solution is usually the sensible choice. If it is instead the reason customers buy from you, you should not squeeze it into the logic of someone else's product. Also ask yourself how many systems have to be connected and how often your requirements change.

A useful test: list your ten most important requirements and check how many of them a standard product meets without detours. If it covers the vast majority, much speaks for SaaS. If the decisive requirements remain open or you end up with awkward workarounds using spreadsheets and add-on tools, take a look at custom software or a hybrid solution.

Comparing costs properly: subscription, project and operation

SaaS looks cheaper because the initial investment is small. Over the years, however, user licenses, add-on modules and integration costs add up, and switching providers causes effort of its own. Custom software first requires a project budget, followed by operation, hosting, maintenance and further development. So do not compare the price of the first year, but the total cost over the period in which you plan to use the solution.

Our packages give guidance for development projects: Starter from €2,500, Professional from €8,000 and Enterprise on request – depending on scope, interfaces and complexity. An MVP or a first process building block can be a good way to limit risk: you start small, learn in operation and expand afterwards. We prepare a specific quote after the free initial consultation.

Dependence, data ownership and exit: what should be regulated by contract

With SaaS, you use software that does not belong to you. That is not a drawback as long as the terms are right. Before signing, check how you can export your data, in which format and under what conditions, where the data is stored, whether a data processing agreement exists, and how price changes and notice periods are handled. Without an export option, a later switch quickly becomes expensive.

Custom software involves a dependence as well: on the development partner. So agree in writing which usage rights you receive, whether source code and documentation are handed over, and how maintenance and further development are regulated. Clean documentation and common technologies make sure you can change partners if necessary. This does not replace legal advice.

The middle path: use standard software, close gaps selectively

Between buying and building lies a broad field. Many companies do well using an established product for CRM, accounting or project management and closing the gaps individually: with interfaces, automations, a customer portal or a dashboard that combines data from several systems. That way you keep the proven core and invest only where standard falls short.

The reverse path also occurs: a spreadsheet solution or a grown legacy system is replaced by a custom application because error-proneness and dependence on individual people have become too great. In both cases, what matters is a clear target picture and the willingness to proceed in small steps instead of replacing everything at once.