If a standard LIMS covers your processes, buy it. The question gets interesting where your lab outgrows the standard.
The most honest answer first: if a standard LIMS covers your processes, buy it. We say that as a company that builds custom software. Precisely because of that.
A LIMS, a laboratory information management system, runs the backbone of a lab: samples, orders, workflows, reports, instruments. That’s why “buy or build” isn’t a software question. It is the question of how much standard there really is in your lab.
Searching for “LIMS” or “lab software” leads to a long list of products. Whether one of them fits isn’t decided in the brochure but in your workflows.
When a standard LIMS is the right choice
Standard LIMS have matured over years around the workflows of many labs. If your lab works like the labs the standard was built for, you get a lot for free: proven workflows, ongoing maintenance, updates, a vendor that keeps developing the product.
Concretely, these things speak for buying: your processes follow common workflows. Your instruments are widespread and supported. And you don’t need analyses that go beyond the usual.
Economically, the standard wins in that case too: development costs are shared across many labs, and the vendor takes care of maintenance and further development. No custom build beats that math as long as the standard truly fits.
In that case, custom development would be an expensive rebuild of something that exists off the shelf. We advise against it.
Where labs outgrow the standard
It gets interesting in four places, and it usually starts small: with an Excel list next to the LIMS.
Each of these points on its own is a workaround. Together they become an operational risk: manual steps, duplicate data, knowledge that only exists in people’s heads.
The honest test: count the places where your team pulls data out of the LIMS by hand today, reshapes it and feeds it back in somewhere else. Each of those places is a hint that your lab needs more than the standard covers.
AI analysis in particular shifts this math noticeably: lab data is structured, extensive and valuable. If you only manage it instead of analyzing it, you leave the most valuable part on the table.
- Special processes: workflows that can no longer be modeled with the standard’s configuration options.
- Integrations: instruments, portals and existing systems that can’t be connected, or only with great effort.
- Data pipelines: results that should flow automatically into findings, reports and downstream systems.
- AI analysis: patterns and anomalies in lab data that a standard system doesn’t know.
The middle path: extend instead of replace
The good news: “have it built” rarely means “rebuild the whole LIMS”. The smarter path is usually a custom module next to the standard.
The LIMS stays the leading system for everything that is standard. The module takes over what makes your lab special: the special process, the data pipeline, the AI analysis. Cleanly connected via interfaces, without disrupting daily operations.
The advantage of this path: no big bang. The lab keeps working as before while the module is built next to it and takes over step by step.
This way you invest where software sets you apart from other labs. And buy where it doesn’t.
How we know this
We have been working with lab and health data for years. With our own start-up Novid20, we built and operated software connected to 9 labs: in Bavaria alone, it handled more than 3.5 million lab tests per month, live and under the scrutiny of authorities and the media.
From that time we know what lab software has to withstand when it matters: load peaks, sensitive health data, interfaces that must not fail. A lab is no place for experiments. Systems that carry test results have to work every single day.
Whether a custom build pays off for your lab can be checked soberly: What do the workarounds cost today? What does the module cost? And what becomes possible that did not exist before?
In the end, buy or build isn’t a question of belief. Standard belongs where your lab is standard. Custom belongs where it differs. Drawing that line honestly is the real work.
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Moritz Miedler · Founder, replies personally