Performance platform migration and consolidated history takeover.
Tool change across 60 entities with a real risk of history loss. Functional leadership, test book, reconciliation controls.
The expertise that secures your closings.

IFRS 18 explained: new income statement structure, subtotals, management performance measures (MPM), 2027 timeline and impacts for your finance department.

IFRS 16 explained: the lessee recognises a right-of-use asset and a lease liability on the balance sheet. The real issue is not the entry, but judgement.

IFRS consolidation: scope (IFRS 10, 11, IAS 28), methods, adjustments, currency translation, intragroup eliminations, goodwill and France / IFRS differences.



We help groups produce consolidated financial information that is more reliable, more readable and faster to deliver, without losing business ownership.
Our areas of workConsolidation, IFRS, finance transformation. A single business continuum, delivered by a senior team.
Secure your close cycles, structure consolidation workpapers, safeguard group reporting.
Groups facing critical closings, team gaps or building a consolidation function.
Secure your standards judgments, frame your mergers and acquisitions, document your IFRS positions.
Groups in standards transition, mergers and acquisitions or complex audit topics.
Frame your performance management (EPM) platform, strengthen your data, automate your close-cycle processing.
Finance leadership in EPM migration, consolidation teams reliant on Excel and fragmented data flows.
Anonymized examples of situations where Altesia steps in on sensitive finance topics.
Tool change across 60 entities with a real risk of history loss. Functional leadership, test book, reconciliation controls.

We step in where the stakes are sensitive: consolidated close, audit trail, group data, historical migration, auditor interactions and team autonomy.
Discover our approachListed groups, mid-market companies and funds that have entrusted us with sensitive matters: consolidation, IFRS transitions, finance function transformation.
Asset Management
Mining & Metals
Out-of-home Advertising
Media
Media
Pharma
Banking
E-commerce
Industry
A short conversation with the Altesia team to qualify your context, deadlines, close risks and the level of intervention that fits. No commitment.
Group perimeter, finance organisation, current pressure points.
Close cycles, audit deliverables, regulatory milestones or transactions.
Data quality, accounting judgements, internal team capacity.
Operational reinforcement, project scoping, structuring or senior sparring.