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Interim HR Manager

Interim HR Manager

Call on a transition HR Director or HR Manager to secure a critical period for your company. Restructuring, rapid growth, unexpected departure: our senior executives are operational within 48 hours.

Talent

Flexibility Total

Results Guaranteed

Experts Certified

Solutions Tailor-Made

Benefits

Benefits of interim HR management

An immediately operational HR executive for your exceptional situations and critical projects

Operational within 48 hours: our transition HR Directors are immediately available to take charge of your HR function

Overqualified profiles: HR Directors with 20+ years of experience having managed crisis situations in companies of 50 to 5,000 employees

Framed assignment with objectives, scope, deliverables, and duration defined from the start. Regular reporting and end-of-assignment review

Neutrality and objectivity: the transition manager has no internal political stakes, they act exclusively in the company’s interest

Integrated skills transfer: before departure, the transition manager trains and supports your future permanent HR Director or HR Manager

Assignment flexibility: full-time or part-time, from 3 to 18 months depending on the nature and duration of the situation to manage

Our methodology

Why choose BoostRH for interim HR management?

Maximum responsiveness: qualified profile proposals within 24 hours, operational start within 48 hours for urgent situations

Network of 100+ HR transition managers: experienced HR Directors and HR Managers, available throughout France and overseas territories

Precise matching: profile selection based on your industry, company size, and the exact nature of the assignment

Structured assignment monitoring: monthly reporting, regular checkpoints with management, scope adjustment if necessary

All situations mastered: restructurings, workforce reduction plans, mergers & acquisitions, rapid growth, departures, HR transformation projects

Controlled and transparent cost: all-inclusive daily billing, no social charges, no end-of-contract severance

Let’s discuss your needs

Our guarantees

Why trust us?

Certified expertise

All our HR Directors are certified and have at least 10 years of experience

Certified expertise

Intervention within 48 hours in case of HR emergency

Measurable ROI

Average 45% reduction in HR costs in the first year

Guaranteed quality

98% client satisfaction across our HR assignments

Our team

Our HR transition managers

Senior HR Directors with 20+ years of experience, seasoned in crisis management and complex situations

Renaud V

Lyon

RH en temps partagé

Effective change management: occupational risk assessment (DUERP), prevention action plans (PAPRIPACT), quality of working life, mergers, reorganisations, a calmer workplace climate, engaged teams, successful projects.

Skills Development Coaching International OHS Generalist HR Professional

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Christelle C

Paris

RH en temps partagé

More than 10 years of experience, specialising in project management, quality of working life and working conditions, health and safety at work, prevention of psychosocial risks, conflict management, harassment investigations, social dialogue, and training and managerial support.

Industrial Relations HR Consulting QWC International OHS Generalist HR Professional

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François D

Strasbourg

RH en temps partagé

After more than ten years in HR, I share my expertise with companies (very small and medium-sized businesses), local authorities, associations and others, to support them on their day-to-day HR issues and on their cultural, managerial and organisational transformations.

Labor Law Industrial Relations International OHS Generalist HR Professional

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Aude D

Paris

RH en temps partagé, Manager RH de transition

As a Part-Time HR Director, I divide my time between HR assignments and the development of my coaching activities.

Personnel administration Labor Law Skills Development Industrial Relations HR Policy HR Consulting Recruitment Coaching QWC International Generalist HR Professional

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Ines L

Paris

RH en temps partagé, Manager RH de transition

An employment law and employee relations lawyer with a strong operational HR dimension, I work at the interface between legal matters, human resources and transformation challenges. My career combines large groups, international environments and consulting in employment law and employee relations. I support HR departments, managers and operational teams on social dialogue, sensitive individual situations, transformations, health and safety at work (SSCT) and psychosocial risk (RPS) issues, and on making practices legally sound, with a pragmatic, structured and solution-oriented approach.

Personnel administration Social Audit HR Consulting Skills Development Labor Law International HR Policy Industrial Relations OHS Generalist HR Professional

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Sandrine L

Paris

RH en temps partagé

An experienced part-time HR Manager, for more than 15 years I have supported companies in the process of structuring themselves (industrial SMEs, IT services companies) in their development: recruitment, onboarding, employer brand, skills and social dialogue. My experience allows me to support transformations and strong growth with agility and pragmatism.

Payroll Personnel administration Labor Law Skills Development Industrial Relations HR Policy HR Consulting Social Audit Recruitment International Generalist HR Professional

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Laura K

Paris

RH en temps partagé, Manager RH de transition

A committed, trustworthy and proactive part-time HR Manager, I support SMEs, start-ups and large groups on all their HR challenges: strategy, culture, structuring, recruitment and HR projects!

Personnel administration Labor Law Skills Development Industrial Relations HR Policy HR Consulting HR Digitalization Recruitment QWC International Generalist HR Professional

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Lucie B

Bruxelles

RH en temps partagé

An HR generalist with 10 years of international experience. I support management teams and staff on organisation, talent development and legal compliance issues. My experience in transformation, European expansion and coaching has allowed me to develop a human and strategic approach to the profession.

Labor Law Skills Development HR Policy HR Consulting Recruitment International Generalist HR Professional

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Jean-Laurent T

Monaco

RH en temps partagé, Manager RH de transition

After more than 15 years leading the HR function in demanding environments, I now support company directors, HR directors and HR teams in their human, social and organisational transformation projects.

Personnel administration Labor Law Skills Development Industrial Relations HR Policy HR Consulting Recruitment QWC International Generalist HR Professional

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Ronald G

Bruxelles

RH en temps partagé, Manager RH de transition

I work on organisational transformation and human capital development projects, and with everyone involved in your recruitment and personnel management processes.

Personnel administration Labor Law Skills Development Recruitment International Generalist HR Professional

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Client testimonial

Trusted by Our Clients

Louise ZIDOUNI

Administrative Manager

I would like to thank Ariane, of Boost'RH Groupe, for her highly effective support, her very pragmatic approach and her excel…

Guillaume HUMBERT

HR Project Manager

The Boost'RH Groupe teams were extremely responsive when we arrived with our urgent need, and we quickly met Patricia, who is…

Stephanie REILLY

Director of Human Resources

I would like to thank you sincerely for the excellent support your team has given us over the past few weeks. We have had the plea…

Maguy KISSA

CFO

Boost'RH understood our issues and needs, and provided us with Elodie, an experienced external HR manager, who delivered top-…

Philippe LEMAIRE

Head of School

On 1 December 2018, our business was sold to a European plastics group. With no HR resource on site, we turned to Boost'RH, w…

Ralph MONTANDON

General Manager

Since April 2012, we decided to outsource the entire HR function of our Clichy site to Boost'RH Groupe. We had the opportunit…

Franck BARON

General Manager

An outsourced service that meets our expectations, a very professional approach and conscientious follow-up.

Marie GUEUDET

Administrative and Financial Manager

Boost'RH does an excellent job of HR support. They are professional, responsive, and very thorough. It is a pleasure to work …

Pablo CADORET

General Manager

I would like to commend the professionalism, availability and flexibility of the services provided by Ariane. Boost'RH gave u…

Clément DIETSCHY

Co-founder

The responsiveness and flexibility of Boost'RH Groupe is perfect for a young startup. Thank you!

Frequently asked questions

FAQ - Interim HR Management

In what situations should you use interim HR management?

The most common situations are: unexpected departure of the HR Director, restructuring or workforce reduction plan, merger-acquisition requiring harmonization of HR policies, rapid growth exceeding your current HR capacity, major HR transformation project.

What is the average duration of a transition assignment?

From 3 to 12 months depending on the complexity of the situation. Simple replacement assignments last on average 4 to 6 months. Transformation or restructuring projects can extend to 12-18 months. The duration is always defined upfront and adjustable.

How much does a transition HR Director cost?

From €1,200 to €2,500 per day depending on the profile and assignment complexity. Monthly flat rate available for long assignments (from €15,000/month for full-time). These rates include everything: no additional social charges or management fees.

Can the transition manager be hired afterward?

Yes, if both parties wish, a conversion-to-permanent-contract clause is included in our contracts. It's even common: about 15% of our transition assignments convert to permanent hires. This option is discussed from the assignment brief.

Do you operate throughout France for interim HR management?

What is the difference between interim HR management and interim HR?

The interim HR manager is a senior executive who takes on a strategic assignment with precise objectives and deliverables. The interim worker replaces an absent employee on identical tasks. Interim HR management implies strategic leadership, change management, and a commitment to measurable results.

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