Altesia Consulting
Finance Transformation.

Consolidation. IFRS. Group reporting.

The expertise that secures your closings.

More than 50 finance teams supported.
Our positioning
Business meeting
Professional presentation
Strategic meeting

We help groups produce consolidated financial information that is more reliable, more readable and faster to deliver, without losing business ownership.

Our areas of work
Our work

Three areas of intervention

Consolidation, IFRS, finance transformation. A single business continuum, delivered by a senior team.

Consolidation & reporting

Secure your close cycles, structure consolidation workpapers, safeguard group reporting.

Groups facing critical closings, team gaps or building a consolidation function.

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IFRS & transactions

Secure your standards judgments, frame your mergers and acquisitions, document your IFRS positions.

Groups in standards transition, mergers and acquisitions or complex audit topics.

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Finance & data

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.

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Case studies

A few engagements where reliability was the brief.

Anonymized examples of situations where Altesia steps in on sensitive finance topics.

All case studies
Multi-entity group · Finance and data transformation

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.

60entities migrated with complete history
Modern architecture
Senior consulting firm

Field-tested expertise for finance leadership teams.

We step in where the stakes are sensitive: consolidated close, audit trail, group data, historical migration, auditor interactions and team autonomy.

Discover our approach
They trust us

Our clients

Listed groups, mid-market companies and funds that have entrusted us with sensitive matters: consolidation, IFRS transitions, finance function transformation.

Clients

AEW

Asset Management

Eramet

Mining & Metals

Giraudy

Out-of-home Advertising

La Ligne Media

Media

Médialine

Media

Sanofi

Pharma

Société Générale

Banking

Veepee

E-commerce

Veralia

Industry

Our certifications
PMP Certified
Project Management Professional
Project Management Institute
Microsoft PL-300
Microsoft Certified Data Analyst Associate
Microsoft
Confidential scoping · 30 minutes

Need to secure a consolidation, reporting or finance systems topic?

A short conversation with the Altesia team to qualify your context, deadlines, close risks and the level of intervention that fits. No commitment.

Quiet meeting space, editorial register
1
Context

Group perimeter, finance organisation, current pressure points.

2
Deadlines

Close cycles, audit deliverables, regulatory milestones or transactions.

3
Risks

Data quality, accounting judgements, internal team capacity.

4
Level of intervention

Operational reinforcement, project scoping, structuring or senior sparring.