Seamless migration to Odoo from your accounting system
Import your data from Winbooks, Sage BOB 50, Sage 100, Horus or Exact Online into Odoo — even mid-year — with full history and advanced accounting support.
- Full history preserved
- PDF attachments included
- Mid-year migration
Supported accounting software
We migrate these accounting systems—or a custom source—into Odoo, with full history and every attachment intact.
100M+
Accounting entries successfully migrated with complete transaction history.
100%
Data integrity maintained during migration, verified by our validation system.
80%
Average time saved compared to traditional migration methods and manual data entry.
Built for accountants who can’t afford data loss
From mid-year migrations to full historical preservation, every Twinbooks transfer is engineered to keep your books intact.
Migrate Without Closing Your Books
Transfer your financial data to Odoo even if your fiscal year is still open and active.
Mid-Year Migration
No need to wait for year-end closing - migrate at any time without disruption.
Real-Time Transfer
Keep your business running while migration happens in the background.
Reconciliation Support
Automatically match and verify transactions across both systems.

Complete Import & Historical Data Preservation
Import and maintain your entire financial history from Winbooks, Sage BOB 50, Sage 100, Horus and Exact Online — including all document attachments.
PDF Attachments Included
All your invoices, receipts and documentation move with your data.
Full Transaction Import
Import and transfer years of financial records with complete accuracy.
Data Integrity Verification
Automated checks ensure nothing gets lost in the transition.

Advanced Accounting Features
Go beyond basic migration with support for specialized accounting needs.
Analytical Accounting
Transfer multi-dimensional analytical structures for detailed business insights.
Asset Management
Maintain your complete asset register with depreciation schedules intact.
VAT and Tax Configurations
Preserve all tax settings and historical VAT data for compliance.

Clear pricing per accounting database
Each tier applies to one accounting database. Pricing depends mainly on entry volume, assets, history depth and overall file complexity.
The tiers below apply to one accounting database
They cover standard accounting migrations on WinBooks, Horus, Sage BOB 50, Integrix Accounting, Sage 100, WinBooks On Web and Exact Online.
These volumes are indicative benchmarks
The final tier depends on the combined volumes, history and specific requirements of the file.
Basic
500€
Indicative price per accounting database
For a small, straightforward accounting database with limited volume.
- Up to approximately 5,000 accounting entries
- Up to 25 assets
- PDF documents included
- Maximum 3 fiscal years
- No analytics, foreign currency or custom VAT setup
Intermediate
1500€
Indicative price per accounting database
For a medium-sized accounting database with a few specific requirements.
- Approximately 5,000 to 20,000 accounting entries
- Approximately 25 to 250 assets
- PDF documents included
- Usually 3 to 5 fiscal years
- Limited analytics or functional requirements
Advanced
3000€
Indicative price per accounting database
For a large database with a longer history or more complex requirements.
- Approximately 20,000 to 60,000 accounting entries
- Approximately 250 to 1,000 assets
- PDF documents included
- Usually 5 to 10 fiscal years
- Analytics, foreign currency or custom VAT can be included
Enterprise
5000€
Indicative price per accounting database
For a very large database or one combining several major constraints.
- Approximately 60,000 to 150,000 accounting entries
- Approximately 1,000 to 2,500 assets
- PDF documents included
- More than 10 fiscal years or a very dense history
- Above 150,000 entries or 2,500 assets: custom quote
When the migration needs a tailored setup
If the project requires a more tailored configuration or work outside the standard scope, we prepare a quote based on the real implementation effort.
Contact us- Multi-company recovery or specific cross-company structures.
- Importing historical data into an Odoo database that is already in use.
- If data outside accounting must also be recovered, such as commercial data in Sage 100 GesCom.
Trusted by accountants and finance teams
Hear from companies who have already moved to Odoo with Twinbooks.
Feedback from clients and partners who already migrated to Odoo.
“A game changer in the Odoo world: with Twinbooks, all our new clients can now recover all their past data and get the full Odoo experience.”

Arnault Vandeveld
Project Manager, Business & IT at SoWhat!
“We asked Twinbooks to migrate five years of accounting for six companies from WinBooks Online to Odoo 19. Working with the Twinbooks team was efficient, the final result fully met our expectations, and the migration saved us a very significant amount of time.”

Fabrice Dortu
CEO at DorFadoo
“Twinbooks helped us migrate our 12 years of financial data from Winbooks to Odoo. It was a seamless process and the team was very helpful.”

Serge Thiry
CFO at Elium
“With Twinbooks we can easily migrate our clients from Winbooks to Odoo even if the fiscal year is not closed. It's a great tool and the team is very helpful.”

Hervet Simo
Partner at ARCA Fiduciaire
An ecosystem already working with Twinbooks
Accounting firms, Odoo partners and advisory teams we work with on a regular basis.
Ready to migrate to Odoo from Winbooks, Sage BOB 50, Sage 100, Horus or Exact Online?
Start your seamless migration today — no need to close your fiscal year. Keep your complete history with all attachments intact.

























