Train régional rouge à quai sous la verrière d’une grande gare

Our work

Concrete projects, sustainable challenges.

A selection of assignments for public and private organisations, in France and internationally. Maritime and inland waterway transport, rail, mobility and port infrastructure.

Business plan for the port of Colmar Neuf-Brisach — visuel 1 sur 2

Syndicat mixte du port de Colmar Neuf-Brisach (port authority) · 2025–2026

Business plan for the port of Colmar Neuf-Brisach

Analysis of the investment plan, financial modelling and adjustment of the contractual framework.

Multimodal platform at the Chavelot Écoparc — visuel 1 sur 2

Société d’équipement du bassin lorrain (SEBL Grand Est) / Épinal conurbation authority · 2025

Multimodal platform at the Chavelot Écoparc

Feasibility study for a rail-road platform: flow analysis and structuring of the business model.

Development of the Colmar marina — visuel 1 sur 1

CCI Alsace Métropole (chamber of commerce) · 2025

Development of the Colmar marina

Financial diagnosis and preparation of a development plan and a business plan.

Port development at Bray-sur-Seine — visuel 1 sur 1

Bassée-Montois community of communes / National Agency for Territorial Cohesion (ANCT) · 2024

Port development at Bray-sur-Seine

Feasibility study for a new commercial port, interviews and freight flow estimates.

Freight service to Saint-Pierre-et-Miquelon — visuel 1 sur 1

Prefecture of Saint-Pierre-et-Miquelon · 2025

Freight service to Saint-Pierre-et-Miquelon

Stakeholder consultation, flow analysis and financial modelling to prepare the future maritime service contract.

Quai des Seychelles in Concarneau — visuel 1 sur 1

Brittany Region · 2024–2025

Quai des Seychelles in Concarneau

Socio-economic study and definition of the business model for a maintenance area for small-scale fishing.

Financial engineering for Brittany’s marinas — visuel 1 sur 2

Association des Ports de Plaisance de Bretagne · 2024

Financial engineering for Brittany’s marinas

Analysis of the business models of 16 marinas and a roadmap to strengthen their operation and financing.

Rail for low-carbon logistics — visuel 1 sur 1

EU Rail · 2024

Rail for low-carbon logistics

Analysis of rail innovations and their contribution to low-carbon logistics.

ERTMS deployment and the digitalisation of European rail — visuel 1 sur 1

European Commission – DG MOVE · 2022–2024

ERTMS deployment and the digitalisation of European rail

EU-wide data collection, cost-benefit analyses and support for the design of new funding instruments.

Investment plan for the Hanoi metro — visuel 1 sur 2

Asian Infrastructure Investment Bank (AIIB) / Hanoi Metropolitan Railway Management Board (MRB) · 2024

Investment plan for the Hanoi metro

Strategic support, modelling and analysis of the potential for green bond financing.

Port governance at Toulon–Brégaillon — visuel 1 sur 1

Toulon Provence Méditerranée · 2023–2024

Port governance at Toulon–Brégaillon

Contract audit, development plan and financial model for the transition to a new management model.

Generative AI assistants for internal use — visuel 1 sur 1

Caisse des Dépôts · 2026

Generative AI assistants for internal use

Scoping of use cases and deployment of four assistants: document search, meeting minutes and comment synthesis.

Data quality governance — visuel 1 sur 1

Caisse des Dépôts · 2024–2025

Data quality governance

Design of a governance framework – criticality, controls, scorecard and remediation – laying the groundwork for AI Act readiness.

BLUE ARCHES

Serving a more sustainable economy. Consultancy in transport, infrastructure and data.

69 Rue Marx Dormoy, 75018 Paris

© 2026 Blue Arches. All rights reserved.

Legal notice: Blue Arches, SAS (simplified joint-stock company) with share capital of €11,250, registered in Paris under no. 911 408 870 (RCS), registered office 69 rue Marx Dormoy, 75018 Paris. Publication director: Nicolas Gohel. Hosting: Framer B.V., Rozengracht 207B, 1016 LZ Amsterdam, Netherlands.