Rolling out Odoo in your company: how to avoid the project that never ends
On paper, an ERP rollout looks simple. You pick a tool, set a schedule, launch the project. Then, a few months later, as if by magic, everyone saves time.
In the reality of a business, it rarely goes like that.
An Odoo rollout is not just about installing software. It touches the beating heart of your SME: how you sell, invoice, buy, track inventory and share information. If these projects go off track so often, it is because they are treated as IT projects, when they are first and foremost projects about how people are organized.
The problem is not rolling out Odoo. The problem is rolling out Odoo in a real organization, with its habits, its constraints and its natural resistance.
The first trap: trying to do everything at once (the Big Bang effect)
This is probably the most classic mistake. When a company changes ERP, it often tells itself: “While we're at it, let's rethink everything.”
So everything gets piled on: the sales CRM, quotes, invoicing, purchasing, inventory, manufacturing, the website and accounting. All in the same batch.
On paper, it makes sense. In real life, that is exactly how a project turns into a financial black hole. Teams today are saturated with change. By adding a sprawling, poorly prioritized ERP, you create fatigue instead of buy-in.
That is why at Hors du Commun, our method is built on breaking things down. Never confuse the final target vision with the first version deployed (V1). A company absorbs a series of small wins far better than one big abstract project.
Why do ERP projects fail so often?
It is almost never because Odoo is "incapable" of doing the job. Most of the time, failures come from people and data:
1. Too much talk about features, not enough about processes
A project is not won by ticking off a list of software modules. It is won when you can answer: Who does what? At what point? With what approval? When these answers are vague during theinitial audit, the configuration becomes purely theoretical.
2. Trying to reproduce the old system
This is the comfort zone trap. You ask the new ERP to look like the old software you actually wanted to replace. You bend the tool with custom development that is not needed, make it rigid and pay a high price to preserve bad habits.
3. The data is a nightmare
Complexity rarely comes from the tool, but from your history: duplicates, contradictory references, parallel Excel files. Cleaning up and migrating this data to Odoo is a huge step that should never be underestimated.
4. Teams are involved too late
Training teams just before go-live is not enough. You need to prepare them, involve them in business workshops and manage resistance throughout the project.
What does a serious rollout look like?
A serious rollout is not necessarily spectacular. Above all, it is clear and structured.
An ERP can be technically installed and perfectly configured, and still miss its target. All it takes is for the sales team to keep using its old Excel files on the side, or for sales administration not to trust the new data.
In our approach at Hors du Commun, an Odoo project never stops on go-live day. It follows a precise backbone:
- Scoping and naming a client point of contact (SPOC).
- Process definition and analysis of the technical environment.
- Development in phases, one after another.
- A 2 to 4 week trial period (to identify bugs and the team's real friction points before launch).
- Go-live.
- Intensive training and ongoing support.
That is why we always set apart the level of post-project maintenance and support. A rollout with no follow-up after go-live is just a project whose problems have been pushed back a few weeks.
What a company should clarify before launching Odoo
Before even talking about configuration or quotes, here are the strategic questions to settle internally:
📋 The ERP preparation checklist
- Who owns the project internally? A project without an identified "SPOC" (Single Point Of Contact) with decision-making power gets bogged down within a few weeks.
- What must V1 absolutely cover? What has to work on day one? What can wait for V2? Set a strict scope to avoid an overengineered "monster".
- Which data is worth migrating? Separate the data that is useful day to day from the "historical heritage" you keep just for reassurance. Migrating everything is expensive.
- What support after go-live? A company that moves all its logistics to Odoo needs a highly responsive safety net in the first months.
In conclusion
A company-wide Odoo rollout does not succeed just because you chose a good ERP. It succeeds because you chose a good method.
The right method means starting from real pain points on the ground, scoping before building, splitting the project so you do not put everything in the first wave, testing, training and, above all, supporting your people to overcome resistance to change.
The real definition of a good rollout is fairly simple: it is not a project that looks impressive on a PowerPoint slide. It is a tool that the company can actually absorb, use every day, and then grow.
❓ FAQ: Rolling out Odoo with confidence
- McKinsey & Company (Getting an ERP transformation back on track): https://www.mckinsey.com/.../getting-an-erp-transformation-back-on-track
- McKinsey & Company (Change is changing): https://www.mckinsey.com/.../change-is-changing...
- Panorama Consulting Group (ERP Failures & Mistakes): https://www.panorama-consulting.com/how-an-erp-consultants-mistakes-can-lead-to-erp-failure/
- Gartner (Change Management in ERP): https://www.gartner.com/en/articles/finance-erp
Article written by Billy Felicie
Odoo integration and change management expert at Hors du Commun (Lyon). I have been helping SME business owners structure their processes and roll out their ERPs successfully for more than 5 years.