By Evince Technologies. Published 5 November 2026.
What Odoo offers
Odoo is a modular business platform with apps for areas such as accounting, sales, inventory, manufacturing and HR. It has a community edition and a paid enterprise edition, and it can be hosted in different ways. Check the current features and pricing directly with Odoo, as both change over time.
A key strength is that many modules already work together, so you do not have to build common functions from nothing.
When Odoo is a good fit
Odoo is worth a serious look if your processes are close to what its standard modules do, if you want many departments on one platform and if you are willing to adapt some ways of working.
It can also suit businesses that want to start quickly with a few modules and have access to a capable implementation partner.
When custom ERP makes more sense
Custom software can be the better fit when your core workflow is unusual and central to how you compete, when you need a simple tool for a focused process, or when customising a platform would touch so much that you lose the benefit of its standard features.
It also suits a business with existing systems that work well, where the real need is to fill a specific gap between them.
Customisation and upgrades
Any platform can be extended, but each custom module has to be tested and possibly reworked as new versions arrive. Ask how many customisations you will need, who maintains them and what your next major upgrade would involve.
Custom ERP avoids dependence on a vendor roadmap, but you own the maintenance plan. Budget for that as well. Neither path is free of long-term work.
Compare costs over several years
For Odoo, include any licences, hosting, implementation, customisation, training and support. For custom ERP, include discovery, development, hosting, security, maintenance and future changes.
Get written estimates based on your real workflows. Headline prices alone rarely tell you what the system will cost once it fits the way you work.
Run a practical test
Take your three hardest real workflows, including the exceptions, and ask each option to demonstrate them. A standard demo will always look smooth. The awkward cases show how much change you would really need.
Include the people who do the work in that review. They will often spot problems that managers do not see.
Questions to decide with
How much of our process is truly different from other companies? What must we change if we adopt the standard way? Who will own requirements and testing inside our business? What happens to our data and customisations if we change provider? Can we start with one area and expand later?