ACCEO is an independent building engineering consultancy providing technical advice to all project owners (local authorities, commercial real estate, industrial companies, and property stakeholders). ACCEO operates across the entire building lifecycle to ensure regulatory compliance, optimize performance, and preserve long-term asset value. 

Its expertise rests on four core pillars: 

• Energy and environmental performance: energy management, monitoring, and photovoltaics 

• Elevators and vertical mobility 

• Universal accessibility 

• Asbestos and building health 

Across all these fields, ACCEO offers end-to-end (360°) support: 

• Regulatory and technical audits 

• Opportunity and feasibility studies: de-risking projects and facilitating decision-making, providing technical, financial, and profitability guidance 

• Owner’s representation and project management: supporting projects throughout their lifecycle (design, contractor selection, site supervision, and final handover) 

• Operational monitoring 

• Compliance inspections (elevators and asbestos) 

Thanks to total independence from contractors and facility operators, ACCEO delivers neutral, tailored advisory services, facilitating decision-making and ensuring tight control over capital investment budgets. 

Discover our next-generation 3D Solar Cadastre, a decision-making tool combining 3D spatial modeling and meteorological data to accurately calculate the photovoltaic potential, financial ROI, and carbon reduction for any building, car park, real estate portfolio, or territory. By providing unbiased engineering data, this solution significantly accelerates the upfront phase of PV projects while maintaining high accuracy. 

ACCEO is committed to accelerating the energy transition of buildings. We support property owners in decarbonizing their assets through energy audits, thermal renovation, and solar integration. Internally, we reduce our environmental footprint through low-emission mobility, responsible IT practices, and resource conservation across all branches, delivering sustainable engineering expertise for lasting impact. 

Labels: ISO14001, Ecovadis Silver  

• Solar cadastre:  over 100 client territories, including PEMB (Paris Est Marne & Bois) 

• Social Housing & Property Managers: Major housing providers (Paris Habitat, Groupe 3F, CDC Habitat, Action Logement Immobilier) and commercial real estate managers (Foncia, Citya, Nexity). 

• Corporate & Industrial Real Estate: Leroy Merlin, Orange, La Poste Immobilier