Migrating from Holded to Odoo: a step-by-step guide
If your company has grown with Holded and you are starting to notice that it falls short on warehousing, production, sales chains or custom reporting, migrating from Holded to Odoo is a logical step. Odoo covers invoicing, CRM, inventory, projects and many more modules on a single platform, with room to adapt to the way you work. At Nextdoo, an Official Odoo Partner based in Valencia, we guide that change with a clear method so you don't lose data along the way and the business keeps running. In this guide we explain, plainly, what gets migrated, in which phases and which risks need to be controlled.
Why consider migrating from Holded to Odoo
Holded is a convenient tool to get started: invoicing, basic accounting and lightweight management. The problem appears when the company adds processes the tool doesn't cover well: lot-based stock control, manufacturing, complex price lists, customer portals or cross-area reporting. That's where many SMEs start working with parallel spreadsheets, which is exactly what an ERP should prevent.
Odoo solves that leap because it's modular: you activate only what you need today and add modules as the business demands, without switching systems. Before deciding, it's worth comparing both options with judgment; for that you can read our detailed comparison in Odoo vs Holded, where we are fair to the strengths of each platform and explain which type of company each one suits.
What data is migrated from Holded to Odoo
In a Holded to Odoo migration, the information that gives value and continuity to your operations is transferred. Typically you migrate: customers and suppliers with their tax and contact details, the product and service catalog with prices and references, sales and purchase invoices, open quotations and orders, and the accounting balances needed to start accounting in Odoo consistently.
Not everything is carried over as is, and being honest here matters. Attachments, internal notes or very old historical records can be migrated selectively or kept as a reference archive, so as not to drag along noise. The decision on what comes in and what gets archived is made with you at the start of the project, with a clear snapshot of your current Holded, so no one gets any surprises later.
The phases of an orderly migration
We work in phases so the risk is always under control. First we run an analysis: we review how you use Holded, which Odoo modules you need and which data is critical. Then we prepare the Odoo environment and define the mapping, that is, which Holded field corresponds to which Odoo field, which is where much of the success is decided.
Next comes the trial migration: we load the data into a test environment and validate that the figures add up, that the invoices look right and that the workflows work. Only when that test is clean do we plan the final migration and go-live, usually choosing a cut-off date to avoid duplicating work between the two systems. You can see the operational detail in our Odoo migration checklist.
Common risks and how we avoid them
The most common risk is data loss or mismatch: unvalidated imports that leave balances not matching Holded's accounting. We avoid it with the test environment and closing controls, comparing customer, supplier and balance totals before signing off on the load.
Other risks are business downtime during the change, insufficient team training and poorly set expectations. We reduce downtime with a well-planned cut-off date and, if needed, a brief overlap period. Training is scheduled before go-live so the team arrives prepared. And expectations are set from the start: what gets migrated, what gets archived and what is left for a second phase.
How long it takes and what it costs
The timeline depends on the volume of data, the number of modules and how much you need to adapt Odoo to your processes. A simple Holded to Odoo migration, focused on invoicing and CRM, is quick; a project with warehousing, manufacturing and custom reporting takes more weeks because of the configuration phase, not so much because of the data transfer itself.
On cost, let's be clear: it depends on the Odoo license, the configuration hours and the scope of customization, so any standalone figure would be misleading. Any references you may see are an indicative estimate, not binding; for official license terms it's best to check the Odoo website. At Nextdoo we prepare a fixed proposal after the initial analysis, with the scope in writing so you know exactly what you're contracting.
How to start your migration with Nextdoo
The first step is a brief conversation to understand your current Holded, your sector and what's holding you back today. With that information we run the analysis, define the scope and present you a phased plan with realistic timelines and no empty promises.
We are an Official Odoo Partner specialized in retail, based in Valencia and serving all of Spain, and we support every migration from start to finish, including subsequent support. If you'd like to assess your specific case, write to us through our Odoo Consulting page and we'll review it together.
Frequently asked questions
Is data lost when migrating from Holded to Odoo?
It doesn't have to be. With well-done mapping and a prior trial migration, customers, invoices and balances are validated before go-live. The whole point of the phased method is precisely that no information is lost or mismatched.
What exactly is migrated from Holded to Odoo?
Typically you migrate customers and suppliers, the product catalog, sales and purchase invoices, open quotations and orders, and the opening accounting balances. Very old historical records or attachments are migrated selectively or archived for reference.
How long does the migration take?
It depends on the volume of data and the number of modules. A project focused on invoicing and CRM is quick, while one with warehousing, manufacturing and custom reporting requires more weeks of configuration. After the initial analysis we give you a realistic timeline.
Can I keep operating during the migration?
Yes. We plan a cut-off date to minimize downtime and, if necessary, a brief overlap period. The business keeps running while go-live in Odoo is completed.
How much does it cost to migrate from Holded to Odoo?
The cost depends on the Odoo license, the configuration hours and the scope of customization, so we give a fixed proposal after the analysis. Any indicative figure is a reference estimate, not binding; the official license terms are on the Odoo website.
Related resources
Official information: Official Odoo documentation.