// The Most Important Points at a Glance
What You'll Take Away from This Article
- Odoo v18 integrates consolidation directly into the Accounting app: no separate group account needed, instead chart-of-accounts mapping and automatic aggregation of multiple companies.
- For a legally compliant group consolidation, however, there are important gaps: currency differences don't end up in equity, intercompany elimination via "omission" carries risks (e.g. for VAT posting lines), and group-level correction entries are missing.
- Conclusion: strong progress for the management view, but for genuine legal consolidation syscoon recommends specialized software or our own solution.
In version 18, Odoo has taken a significant step forward in developing its consolidation functionality. Now that the previously separate consolidation app has been fully integrated into the Accounting app, the question arises: what's behind this change, and how does consolidation in Odoo v18 work in detail?
This article examines the underlying concepts, the challenges in implementation, and the differences between a purely management-oriented and a legal group consolidation.
Cornerstones of Odoo v18 Consolidation
Consolidation in Odoo v18 is based on several core principles that promise both flexibility and simplified handling.
No Separate Group Accounts
Instead of dedicated group accounts, the approach relies on direct integration into existing accounting structures.
Chart of Accounts Mapping
Each company's chart of accounts can be individually mapped to the chart of accounts of all other companies. This makes flexible assignment possible and simplifies consolidated reporting.
Aggregation of Multiple Companies
By selecting and combining multiple companies, the user can retrieve cumulative values – each in the currency of the currently active company. This allows for a unified view of results without the need for manual conversions.
Elimination of Intercompany Transactions
Unlike traditional elimination entries, intercompany transactions in Odoo v18 are simply "omitted." Instead of complex correcting entries, these items are automatically excluded, which is meant to simplify the process.
Reporting Based on Local P&L/Balance Sheet Reports
Consolidated reporting is generated directly from the local profit and loss statements and balance sheets. Thanks to intelligent account mapping, the data from all companies can be merged to provide a unified view.
Challenges and Limitations
As tempting as these innovations may appear at first glance, there are still some critical points to consider – especially in the context of a legal group consolidation.
Currency Differences and Equity
Currency differences are not shown in equity. As a result, in the consolidated view – especially when foreign-currency companies are included – assets and liabilities never fully reconcile.
Risks in Eliminating Intercompany Transactions
The "omission" principle can lead to unintended side effects. For example, in intercompany transactions that include VAT posting lines, these lines could mistakenly also be eliminated – especially when they were posted in the same journal, even though their external nature should prevent their exclusion. Likewise, currency differences are often not accounted for in the consolidation.
Lack of a True Group Structure
Since the mapping is applied directly to the local P&L and balance sheets, no "true" group balance sheet is created. The structure of the consolidated reports often differs significantly from the individual company reports, which can make comparison and analysis more difficult.
No Correction Entries at the Group Level
Another criticism is the lack of any option to make correction entries or adjustments at the level of the entire group.
Note: The problems from points 3 and 4 could theoretically be resolved by introducing a fictitious "group company" that serves as a central point for adjustments.
Management Consolidation: A Significant Step Forward
From the perspective of management consolidation, Odoo v18 offers clear advantages.
Transparency and Ease of Maintenance
Direct mapping within the local charts of accounts represents an improved alternative to the previous approach. It allows for a more transparent presentation and is significantly easier to maintain – a decisive advantage in a dynamic business environment.
Focus on Relevant Currencies
While the system offers the ability to fully map all companies onto one another, in practice usually only one main currency is relevant – possibly supplemented by a second. This excess capacity is more than sufficient in many cases and makes daily work easier.
Conclusion
For companies primarily interested in a consolidated management view, Odoo v18 thus represents a clear step forward. It provides the flexibility and transparency needed to present financial figures in a single currency on a cumulative basis – provided there are no statutory consolidation requirements. For P&L figures as well as balance sheet metrics, however, this is entirely sufficient.
For further tasks related to legal consolidation, we recommend specialized software or syscoon's legal consolidation solution.