Transformation and Human Resources Consultancy

Our promise is to be your partner of choice 
in tackling the challenges of your transformation projects.

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Together, we turn HR solutions into a driver of collective progress.

Group Key Figures

€1.31 billion

in turnover in 2025

8 600

employees, 50 per cent of whom are based overseas

62

country

Key Figures: Consulting

Leader

from the HR committee

1 200

staff members

350

offices in France

350 offices in mainland France

A network across the country that enables us to provide our clients with local support, closely attuned to the economic realities of each region.

Our international presence

We offer a comprehensive range of services, delivered on an international scale, combining expertise in remuneration, talent management, pensions and employee benefits.

OI GLOBAL PARTNERS Talent management
MILLIMAN Pensions and employee benefits
WORLD COMPENSATION NETWORK Remuneration consultancy
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Our values at the service of your Terres Humaines

Teamwork, Excellence, Trust & Entrepreneurial Spirit

CSR as a strategic pillar

Diot-Siaci has established Corporate Social Responsibility (CSR) as one of the pillars of its Horizon 2029 strategic plan. Its commitment to CSR forms part of the Group’s reaffirmed strategy and its raison d’être.

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Promoting our employer brand and sharing value

We support organisations in structuring and optimising their total remuneration policies: pay, employee benefits, employee savings and pension schemes, and employee share ownership. We provide investment advice tailored to their strategic priorities and strengthen staff engagement through clear and effective HR communication.

Successful organisational transformation

We support organisations in clarifying their structure and developing a shared strategy, underpinned by high-quality social dialogue. Working alongside them at key moments, we help to engage teams and ensure that transformations are sustainable over the long term.

Protecting human capital

We support organisations in optimising and managing their social protection schemes, whilst fully taking into account issues relating to health, quality of life and working conditions. Through data analysis and our prevention, support and guidance measures, we help to prevent risks, inform decision-making and sustainably safeguard human capital and team engagement.

Developing talent and teams

We support organisations in recruiting, assessing and developing the key skills of tomorrow, by facilitating transformation and strengthening collective action. Through coaching, management and leadership training, and certified programmes in support roles, we develop everyone’s emotional and interpersonal intelligence, with a view to embedding the skills of the future and collective performance for the long term.

Supporting career mobility and transitions

We support organisations in the strategic management of career mobility and transitions, both internal and external. From outplacement to reskilling, including entrepreneurship, returning to work or the transition to retirement, we ensure a smooth path for every individual and work to revitalise local areas in a sustainable way.