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Invest in an in-house system or rent one?

20. June 2025
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Digitalisation and automation are key topics for businesses of all sizes today. But when is it worth investing in the development of your own in-house system and when is it better to lease an existing system?
At a certain stage of a company's development, every organization has to make a decision: does it make sense to build its own customized in-house system, or is it more effective to rent a ready-made solution (so-called SaaS - software as a service)? The answer depends primarily on the size of the company, its needs, ambitions and long-term strategy.

Small companies: Excel, templates and simple tools are usually enough
For the smallest companies, start-ups or entrepreneurs in the beginning, hiring a ready-made system or working with tools such as Excel, Google Sheets, Trello or simple CRM systems (e.g. Pipedrive) is perfectly sufficient. The advantage of these tools is:
  • Low purchase price (often free or for a low monthly fee)
  • Immediate usability without the need for implementation
  • Easy accessibility and intuitive operation

For these companies, it's especially important to respond quickly to change, not waste time with complex processes, and keep operating costs low. In this context, in-house system development is unnecessarily demanding and economically disadvantageous.

Medium-sized companies: own system as a growth tool and know-how carrier
When a company starts to deal with more complex work organisation, the number of employees grows, the volume of data increases and efficiency, automation and scalability become key topics, a rented system often becomes limiting. At this stage, it makes sense to consider developing your own customized system.

The main advantages of a custom system:
  • Full control over functions and data
  • The system is precisely tailored to the company's specific processes
  • It enables the preservation and development of company know-how
  • The possibility of automating routine activities, thus saving time and money
  • Gradual development of the system according to the company's current needs

Although the initial investment is higher, the return in terms of process streamlining and competitiveness is often very significant.

Large corporations: complexity and robustness - it pays to hire sophisticated solutions
For the largest companies that operate in many countries, have thousands of employees and highly complex processes, even a simple in-house system is no longer enough. In this case, it pays to use large enterprise systems such as SAP, Oracle or Microsoft Dynamics.

These systems bring:
  • Robust functionality for finance, production, HR, logistics and other areas
  • International support and scalability
  • Security and stability at enterprise level
  • Integration with other tools (e.g. accounting, data warehouses)

Developing such a complex customized system would be extremely costly and risky, which is why even large companies often choose to rent it, including professional implementation and support.

What about you? Do you need an in-house system for your company? We will be happy to help you with the development, or we can consult on solution options.

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