8 Advisory
Independent European advisory firm providing financial due diligence, structuring, modelling and financing support for infrastructure and energy projects.
8advisory.comEight Advisory, presented in the ranking as 8 Advisory, is an independent consulting firm founded in 2009. Its Infrastructure, Energy & Project Finance team supports investment funds, companies and public authorities.
The practice covers financing, modelling, transaction consulting and model reviews across energy transition, transport, telecommunications, social infrastructure and public utilities.
Principal activities
Buy-side, sell-side and refinancing-related financial reviews.
Support with financing and refinancing, including coordination with lenders.
Model construction, review and analytical support for projects and bids.
- Client base: Sponsors, investors, companies, lenders or public authorities active in infrastructure and real assets.
- Engagement model: Senior-led advice tailored to the project, transaction, financing structure and jurisdiction.
8 Advisory operates in a market where financial structure, regulation, technical risk and long-term asset economics are closely connected. Its published capabilities emphasize infrastructure, energy and project finance. View the firm’s website ↗
Sector and transaction coverage
- Energy and renewables
- Telecommunications
- Transport
- Social infrastructure
- Public utilities
- Capital-intensive projects
- Buy-side diligence
- Sell-side diligence
- Debt financing
- Refinancing
- Public and private tenders
- Model reviews
The precise scope of an engagement depends on the client, asset, financing plan, procurement route and regulatory setting. Infrastructure assignments may require financial, commercial, technical and public-sector workstreams to be coordinated.
Market position
8 Advisory is positioned as a independent consulting and transaction-advisory firm. Its relevant market is defined more by specialist capabilities and transaction experience than by balance-sheet size alone.
Distinctive focus: Multidisciplinary transaction support centered on project finance, modelling and European infrastructure.
Competitive context
8 Advisory competes with advisers whose services overlap in infrastructure sectors, client types, geographies and transaction structures. Relevant competitors can include investment banks, project-finance boutiques, transaction consultants and technical infrastructure advisers.
Comparable firms are selected according to overlap in business model, client segment, service coverage, geographic activity and mandate profile. Inclusion does not imply an exhaustive competitor set or an equivalence in scale, ranking or market position.
Leadership
| Person | Current position | Institutional background |
|---|---|---|
| Lionnel Gérard | Partner | Transaction Services and Infrastructure & Project Finance |
| Guillaume Catoire | Partner | Transaction Services and Infrastructure & Project Finance |
| Jean-Eden Domingo | Partner | Infrastructure & Project Finance |
Leadership information reflects the roles presented in the public sources reviewed on 20 August 2026. View the current team ↗
Corporate and regulatory information
Eight Advisory provides consulting and transaction services through national member entities. The applicable legal entity and professional regulation depend on the office and engagement.
View registered-entity details
| Principal legal entity | Eight Advisory SAS |
| Brand used in ranking | 8 Advisory |
| Regulatory status | Varies by entity and service |
| Registration identifier | N/A |
| Primary jurisdiction | France |
Principal offices
- Paris
- London
- Brussels
- Frankfurt
- Munich
- Hamburg
- Zurich
- Amsterdam
- Cologne
- Madrid
- Milan
- New York
Rankings and recognition
Ranking inclusion is editorially determined. The existence or maintenance of a Wiki profile does not influence ranking eligibility, tier or position.
Related institutions and subjects
Sources and data transparency
The following sources were accessed on 20 August 2026:
- Infrastructure, Energy & Project Finance — services, sectors, practice data and leaders.
- Locations — office network.
- Advisory Ranking — Top 20 Real Assets & Infrastructure Advisory 2026 inclusion and tier classification.
