Your Sector

The G.A.C. Group experts are professionals in your sector.

Agri-food

BTP & Construction

Retail

Industry

Energy & Environment

Health

Information technology

Transport & Mobilities

Aerospace & Defense
Our services

Innovation

Accelerate your innovation projects and strategies to create sustainable growth opportunities and have a positive impact on your company and your local ecosystem.

CIR / CII / CICo / JEI

IP BOX

Grants & subsidies

Open and Co-Innovation

ideXlab open-innovation platform

Innovation Marketing

Innovation strategy consulting

Collaborative European projects

Public policy evaluation

Human Resources

Support HR strategy and challenges from economic performance to social performance.

DSN: compliance and training

DSN: managing HR indicators

Social security audit

Management of occupational risks

Fragility in the workplace

Payroll, HR & professional risk training

Environmental Performance

Build your decarbonization and environmental and energy performance trajectories.

Energy audits and compliance (decrees, ISO 50001)

Financing the energy transition

Energy taxation

EPR & waste: eco-design, recovery, compliance

Carbon footprint / BEGES

Taxation

Meet financial challenges by controlling local taxation, innovation and energy.

Local taxation

Energy taxation

Innovation taxation

Our digital offers

Digitize processes to create new opportunities for innovation and improve team productivity.
Our News & Resources

last news

PCP WISE Call for Tenders: Driving Innovation in Water Management Across Europe

Tax News

Recension de jurisprudence rendue par les Tribunaux administratifs en matière de fiscali...

Events & training

Webinars

DSN: why doing nothing is no longer an option?

Training

DSN training: a 3-level course

Resources

White papers

Infographics

Replay of webinars

Web series

Podcasts

Customer success

AD'OCC - Supporting a region in its innovation strategy

Igesa - Audit of social charges
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professional development

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White papers

AI and sobriety: when artificial intelligence accelerates decarbonization

22 October 2025

Discover how AI contributes to decarbonization

How a small business found new growth drivers by diversifying its markets

10 October 2025

Find out how one SME identified new markets in 6 months

White Paper: DSN, CRM and DSN substitution

6 October 2025

Find out everything you need to know about DSN, CRMs and substitute DSN in our new White Paper.

Public aid: 2025 guide to convince funders

September 30, 2025

Discover the strategies and best practices for successfully applying for public funding.

FRUGAL IA: REDUCING THE ENERGY FOOTPRINT OF ARTIFICIAL INTELLIGENCE

AI frugale: reducing the energy footprint of artificial intelligence

September 8, 2025

Discover how artificial intelligence goes green

Business property tax 2025 - Complete guide

Property tax 2025 - Anticipate before the deadline

August 26, 2025

Has your 2025 property tax notice arrived? Don't leave it unanalyzed.

Breaking a technological deadlock to relaunch a strategic project: an inspiring case study

August 25, 2025

Discover how to overcome an R&D bottleneck with an innovative approach

CIR 2025 and the seed industry: points of vigilance

CIR and the seed industry: points to be aware of to secure your tax credit

August 25, 2025

Find out how to secure your CIR in the seed industry

Plastics and the circular economy: challenges, innovations and levers for a systemic transition

26 June 2025

Discover trends and innovations in plastics circularity.

PFAS: Understand, evaluate and act - towards alternatives to eternal pollutants

20 May 2025

Find out all you need to know about PFAS and its alternatives

Special file: Taux AT/MP 2025

May 6, 2025

Discover the keys to understanding, anticipating and effectively managing your occupational injury rate in 2025. Secure your strategy and adopt best practices!