Extentis,

group

expertise

accountant,

of advice

and audit

EXTENTIS, the extension of your business

Accounting expertise & Advice

  • Local businesses
  • Start-ups & High-growth Companies
  • Family groups and holdings
  • Culture & Creative Sector

Accounting expertise & Advice

Legal Advice & Secretarial Services

  • Company Formation & Legal Life
  • Secretarial & Legal Formalities
  • Statutory modifications
  • Legal advice for transfers

 

Legal Advice & Secretarial Services

Social et paie

  • Payroll management and social declarations DSN
  • Social & HR assistance and advice
  • Outsourced HR Function

Social et paie

Office Management

  • Outsourcing administrative and accounting management
  • Financial steering

Office Management

Audit-Due Diligence

  • Legal Missions
  • Due diligence and other contractual assignments
  • Contractual Mandates
  • Support & Strategic Advice

Audit-Due Diligence

Consolidation

  • Full outsourcing or consolidation support
  • Consolidated Financial Statements for Groups
  • Compliance with standards and their regulatory evolutions

 

Consolidation

Corporate - Evaluation

  • Due diligence
  • Support for business sale or acquisition
  • Evaluation
  • Funding search
  • Reversal

 

Corporate - Evaluation

Wealth management

  • Property Survey
  • Transmission of Heritage
  • Investment Strategy

Wealth management

Recruitment

  • Recruitment of accounting and finance profiles.
  • Employer Brand.
  • Onboarding: New employee integration pathway.

Recruitment

Experts committed to your side

We support you in your success

We are a generalist firm, offering a 360° approach to support your business in all its dimensions.

Our teams intervene in Accounting expertise, consolidation, statutory audit, transaction services, social and legal law, and wealth management in order to meet the needs of entrepreneurs at every stage of their development.

Because every business is unique, we support The entrepreneurs whatever their sector of activity: Retail, industry, real estate, technology, holding and finance, training, office supplies, and others.

"Success depends on preparation, and without it, failure is certain!"

Jack Nicklaus

Customer loyalty
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clients from all sectors
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specialised activity centres
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Collaborators & Experts
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The triple   As 

Our values & commitments

At Extentis, the integrity, expertise, and respect of our specialists make us a reliable and committed partner.

Excellence

Excellence in our professions is a given: rigour, expertise and accuracy are our daily watchwords.

Efficiency

Thanks to tailor-made, long-term support, we offer each of our clients a personalised approach for maximum effectiveness.

Engagement

We are committed to supporting you as a partner to inform your strategic decisions.

Our excellence & efficiency

Our support

Rigor, expertise, exactitude and precision are our bywords on a daily basis. Our employees possess sharp skills as well as the necessary tools to ensure you receive quality work.

«Beyond the figures, we combine technical expertise and in-depth analysis to provide essential solutions and insights for your business, whatever its situation.»

We are committed to creating and regularly offering you new tools, particularly in the digital domain, to facilitate our interactions and streamline exchanges.

«Bespoke is a must as every company is different, and we must implement ad hoc measures according to your requests.»

We remain committed to being by your side at all times.
Positioned as «partners», we are here to listen and help you make the best decisions for the future of your business.

«Committed to your side and passionate about our professions, we build trusting relationships with the companies we support.»

"A good swing comes from mastering the fundamentals!"

Jack Nicklaus

The latest accounting news

The' news with Extentis

Starting a Business: Key Steps with an Accountant

From project definition to launch, an accountant can be an indispensable ally in securing each stage.

Sole traders: How to manage your accounting obligations?

Discover the key steps for the calm and compliant management of your business.

How to optimise your taxation in 2025?

Taxation can seem complex, but with good organisation and the help of an accountant, you can reduce your expenses while remaining compliant.

They trust us

Always looking for new talent

Join our team

Fancy joining a company that values your talent and ambition? Apply now and come share our vision for supporting and advising entrepreneurs.

Consolidation Assistant

Accounting Assistant

Chief Accountant

CDI

Excellence

Our firm

Efficiency

Engagement