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GUIDE

How long does it take to implement Odoo? Timelines and stages of an ERP project

Your Odoo implementation timeline depends above all on the functional scope, the quality of your data and your team's availability. In practice, a well-scoped project goes live within 6 to 40 weeks. This guide sets out the factors that drive the duration, the typical phases and realistic ranges by company size.

What drives the Odoo implementation timeline

  • The number of modules and processes: sales and invoicing alone go live quickly; adding manufacturing, analytics or multi-warehouse logistics extends the project.
  • The level of customisation: standard configuration is fast, whereas bespoke developments require design, build and testing.
  • Data migration: the volume and, above all, the cleanliness of your files weigh heavily on the schedule.
  • Third-party integrations: e-commerce, EDI, banks or an existing business application to connect.
  • Your internal availability: how quickly your key users respond is often the number one accelerator.

Discover our approach on the Odoo ERP solutions page.

The typical phases of an Odoo project

  • 1. Audit & scoping — process review, scope, backlog. 1 to 4 weeks.
  • 2. Setup & configuration — the heart of the project, 3 to 12 weeks depending on scope.
  • 3. Data migration — cleansing and import, 1 to 6 weeks, run in parallel.
  • 4. Testing & acceptance — business scenarios and fixes, 2 to 6 weeks.
  • 5. Training — key users and end users, 1 to 3 weeks.
  • 6. Go-Live & support — switchover, then stabilisation.

Some phases overlap: it is this parallel working that makes tight deadlines achievable without sacrificing quality.

Duration ranges by project size

Quick Start — around 6 to 12 weeks. Tight scope, standard configuration, limited data migration. Ideal for a small business or SME.

Standard project — around 12 to 25 weeks. Several departments, full accounting, some developments and integrations.

ERP transformation — around 25 to 40 weeks. Broad multi-company scope, manufacturing, bespoke developments, often split into phases.

Moving from an older version? Take a look at our Odoo migrations.

Shortening the timeline safely

  • Define a minimum viable scope and defer secondary items to a phase 2.
  • Prepare your data in advance.
  • Appoint available key users empowered to make decisions quickly.
  • Build on proven components rather than developing everything from scratch.

Our Karizma One offering provides a ready-to-use foundation that shortens timelines.

Frequently asked questions about timelines

With a tight scope and clean data, a company can be operational in 6 to 12 weeks in a Quick Start format, provided key users are available.

They combine a broad scope, numerous developments, integrations and a large data migration, on top of change management.

Yes, a phased roll-out is recommended for transformation projects: a priority core first, then the additional modules. It reduces risk.

Let's estimate your project timeline together

In 30 minutes, we scope your requirements and give you a realistic timeline range.

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