Accounting expertise for global companies in France
International Business Services
Primexis works with international groups, their French subsidiaries, and foreign investors to manage their accounting, tax, and administrative obligations in France. Our dedicated team – 70 English-speaking multidisciplinary specialists under the supervision of French Certified Public Accountants (French CPAs) – handles the complete or partial outsourcing of your finance function to ensure compliance, high-quality production, and seamless coordination with your teams abroad.
We ensure the reliable and secure management of your accounts thanks to our thorough understanding of IFRS, US GAAP, and French GAAP frameworks and our ISAE 3402 Type II and SSAE 18 certified processes, recognized for their high standards of internal control.
We work in all sectors of activity with particularly in-depth experience in technological companies, startups, and hospitality investment where managing multi-standards and international flows and producing reliable reporting is essential.
Your Challenges
Are you setting up or managing a French subsidiary of an international group and are looking for an experienced accounting firm with French CPAs to support you locally? Do you want to outsource your accounting, tax, or reporting processes within a secure framework aligned with international standards (IFRS or US GAAP)? Do you need to address challenges in tax compliance, performance management, or the digital transformation of your finance function?
Get in touch with us to discuss your challenges and learn about our tailor-made solutions.
French Subsidiaries of International Groups
Our team, including French CPAs, support French subsidiaries of international groups with the complete or partial handling of their administrative, accounting, and tax functions. We ensure reliable production, compliance with French and international standards, and seamless coordination with your teams abroad.
Our tailor-made services
- Managing financial reporting
- Preparing annual accounts and French tax declarations
- Providing GAAP conversion for French subsidiaries’ accounts prepared by your Shared Service Center
- Handling all local French obligations: taxes, tax returns, and annual accounts
- Domiciliation services of your entity in Paris La Défense, France, in the heart of a major business district
- English-speaking contacts specialized in assisting international structures
Our areas of expertise
- Creating and setting up a new subsidiary in France (full installation assistance)
- Technical consulting on transfer pricing
- Legal and accounting reorganization: mergers, carveouts, transferring activities, etc., in line with French and group requirements
Hospitality Investment in France
Primexis assists French and international investors with their hospitality projects in France at every stage of the investment cycle. We structure and manage all the entities involved – operating companies (Opco), property companies (Propco), and holding companies (Holdco) – with a personalized approach in close coordination with the various project stakeholders.
We combine precise accounting, expertise in the hospitality industry, and an in-depth understanding of structuring challenges for international investors in France.
Our areas of expertise
- Acquiring and transferring hotel assets: audits, structuring, and coordination
- Investor reporting: consolidating hospitality, property, and financial data
- Providing accounting support for hospitality renovation or construction projects
- Financial consulting: business plans, distribution plans, and cash flow projections
Tech & Start-up
Our specialized teams assist startups, particularly in the tech and Saas sectors, at every stage of their development. We work using an agile approach, offering solutions tailored to rapid growth, financial structuring, and compliance challenges.
Our areas of expertise
- Structuring the finance function during the growth phase: organization, processes, and tools
- Creating and automating customized financial reporting
- Redesigning internal controls and securing flows
Tax Compliance Review
Our French CPA team assists you in carrying out the Tax Compliance Review (TCR), a voluntary measure established by Decree No. 2015-25 of January 13, 2021, allowing companies to secure their tax situation in France and minimize their exposure to risks in the event of a control. Our approach is based on prevention, transparency, and compliance.
Our areas of expertise
- Providing assistance throughout the entire TCR process
- Carrying out the 10 points of the control, as defined in the official specifications
- Preparing and delivering a precise and detailed mission report
- Providing access to best practices and recommendations for targeted adjustments
Client
IT solutions group, 150 million euros in turnover
Engagement objectives
Standardize annual financial statements
Our involvement
- Carried out GAAP conversion: US to FR GAAP
- Assisted with tax compliance (direct & indirect tax)
- Processed merger transactions
- Tested the Accounting Entries File (FEC) / (SAF-T)
- Provided operational support in migrating to a new ERP
- Assisted during the Social and Economic Committee’s audits
Client
International hospitality investor group, 2 billion euros in assets under management
Engagement objectives
Prepare investor reporting and annual financial statements
Our involvement
- Prepare monthly reporting under FR GAAP & IFRS
- Financial management and monitoring of renovation work
- Provided tax compliance (direct and indirect tax) services
- Assisted with tax audits
- Coordinated with asset managers and the hotel operations team
- Assisted with due diligence in the context of asset transfers
Client
Legal intelligence platform, 20 million euros in turnover
Engagement objectives
Administrative accounting and tax outsourcing engagement
Our involvement
- Integrated the client’s accounting data from their existing system (CRM and P2P software) into our accounting solution
- Filed routine tax returns
- Created a monthly reporting template with an EBITDA analysis
Internationally Recognized High Standards for Internal Control
Primexis ISAE 3402 Type II & SSAE 18 certified
Primexis is ISAE 3402 Type II and SSAE 18 certified for its accounting services and payroll management. Renewing these certifications confirms our continuous commitment to security, reliability, and risk management.
These international accreditations place Primexis among the few accounting firms in France to have an internal control certification that complies with the strictest standards, which strengthens our clients’ trust, especially in multi-site or international environments.
Our Teams, Our Expertise
Our International Business Services (IBS) team provides you with precise accounting, tax, and reporting expertise for international groups. We assist you using an agile method, state-of-the-art digital tools, and a collaborative approach that is perfectly suited to multicultural environments.
- 70 dedicated accountants (and French CPAs) with multidisciplinary profiles
- 100% English-speaking team capable of working with your multi-country teams, Shared Service Centers, and headquarters
- High performing digital tools and standardized processes in compliance with the strictest international standards (ISAE 3402 Type II and SSAE 18)
- Proven experience in multi-GAAP accounting (French GAAP, IFRS, and US GAAP) for international groups, subsidiaries, holdings, and entities
- Recognized sectorial expertise, specifically in hospitality investment and the tech/startup ecosystem
Our firm offers multi-sector assistance
Disclosure Management
Finance BPO
Private Equity Fund Services
Planning to set up or expand in France?
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