What Diot does

Diot-Siaci is a privately held French multi-specialist insurance and reinsurance brokerage and advisory group, headquartered in Paris. It operates across five specialized business units: Credit (credit insurance and suretyship), Corporate Solutions (asset, liability, and financial risk protection), Protection Sociale et Conseil (employee benefits, social protection, and retirement advisory), Mobilité Internationale (international mobility and expatriate health insurance under the MSH-intl brand), and International (global coverage for multinational clients). The firm also serves individuals and provides reinsurance brokerage services.

The company distributes through a direct enterprise sales force supported by approximately 40 company-owned international offices and a partner network spanning 170+ countries, enabling coordinated international program administration across 600+ active programs. It targets enterprise, mid-market, and SME/PMI client segments with a horizontal, multi-specialist approach that bundles deep specialty expertise in aviation, energy, construction, marine, and financial risks with broader P&C, liability, and employee benefits capabilities. Key subsidiaries include Diot-Credit, MSH-intl, and Qualibroker Swiss Risk & Care.

Diot-Siaci generates revenue primarily through commissions on insurance and reinsurance premiums placed with insurers, supplemented by consulting fees for specialized risk advisory services, operating on a quote-based B2B pricing model. In 2025 the company reported revenue of €1.31 billion (up 28% year-over-year) with more than 8,500 employees and 5 million insured persons, led by General Director Cédric Charpentier.

Name

Diot

Legal name

Diot-Siaci

Website

https://diot.com

Company type

Private

Founded year

1880

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Diot-Siaci is a privately held French multi-specialist insurance and reinsurance brokerage serving enterprise, mid-market, SME, and individual clients across 170+ countries via 40 own offices and a partner network, reporting €1.31 billion in 2025 revenue.

Ownership category

akta.pro rank

Product category

Insurance Brokerage and Reinsurance Advisory

NAICS

Insurance Agencies and Brokerages (524210), Insurance Agencies and Brokerages (52421), Agencies, Brokerages, and Other Insurance Related Activities (5242)

SIC

Insurance Agents, Brokers & Service (6411)

akta.pro primary industry

International / Expatriate Group Health Plans (FSAIAFAJ)

akta.pro secondary industries

Pensions, Benefits & Retirement Disbursements (FSAMAKAI), International/Expatriate Individual Health Insurance (FSAIAEAH)

Keywords

• Insurance brokerage services
• Reinsurance advisory
• Corporate risk management
• Employee benefits consulting
• International mobility insurance

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure, Others

Revenue model

1. Insurance and Reinsurance Brokerage: Commission-based revenue from placing insurance and reinsurance coverage for corporate and individual clients. As a leading insurance broker, Diot-Siaci earns commissions from insurers on premiums placed, supplemented by consulting fees for specialized risk advisory services.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Diot-Siaci is a French multi-specialist insurance and reinsurance brokerage and advisory group operating five specialized business units—Credit, Corporate Solutions, Protection Sociale et Conseil, Mobilité Internationale (MSH-intl), and International. The firm places insurance and reinsurance coverage, designs employee benefits programs, and delivers risk consulting for corporate clients, multinationals, mid-market firms, SMEs, and individual customers across roughly 40 owned offices and 170+ partner countries, managing more than 600 international programs and serving 5 million insured persons.

Product overview

Diot-Siaci is a multi-specialist insurance and reinsurance consulting/brokerage group, the French and European leader in its sector. The company operates as a platform offering five integrated Business Units: Credit (credit insurance and suretyship), Corporate Solutions (property and liability insurance), Protection Sociale et Conseil (employee benefits and social protection), Mobilité Internationale (expatriate health insurance), and International (global coverage through 40+ country offices). The group serves both corporate clients and individuals, providing advisory, brokerage, and reinsurance services across all major insurance segments.

Differentiator

Problem solved

Functional benefit

Brands

• Diot-Credit: Credit, caution, et financement solutions
• MSH-intl
• Qualibroker Swiss Risk & Care

Products and services

• Crédit (Diot-Credit) Credit insurance and surety solutions for businesses, providing protection against customer insolvency and non-payment risks, plus guarantee and financing solutions.
• Corporate Solutions Insurance solutions protecting corporate assets, liabilities, and commitments—covering property damage, liability, aviation, construction, energy, marine, transport and logistics, real estate, and financial risks for enterprises and mid-market companies.
• Protection Sociale et Conseil Employee benefits and social protection consulting services for corporations, including health insurance (mutuelle), provident funds, retirement planning, and compensation advisory.
• Mobilité Internationale (MSH-intl) International mobility insurance solutions for expatriates and internationally mobile employees, providing international health coverage and assistance services across 170+ countries.
• International Business Unit International brokerage and program administration supporting clients globally, with own offices in approximately 40 countries and partnerships in 170+ countries, managing over 600 international insurance programs.
• Solutions for Individuals (Particuliers) Insurance solutions tailored for individual customers, including personal health, property, personal accident, and personal liability coverage, including coverage for expatriates.
• Réassurance Reinsurance brokerage services providing risk transfer solutions for insurance companies.

Quantifiable outcome

• 28% revenue growth to €1.31 billion in 2025

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Howden Group: Private, PE-backed global insurance broker with European roots, structured as a multi-specialist platform. Closely comparable in scale, sponsorship profile, and specialty-lined strategy to Diot-Siaci.
• Lockton: Largest independent insurance broker globally, with significant European operations and similar specialty-led positioning. Comparable in its multi-specialist, enterprise-focused brokerage model.
• Marsh McLennan: World's largest insurance and reinsurance broker, operating Risk & Insurance Services (Marsh), Advisory (Oliver Wyman), and others. Directly comparable in international program administration and multi-specialty capabilities.
• Hub International: Leading North American insurance brokerage with growing specialty and international practices. Comparable mid-market enterprise focus and M&A-driven growth strategy.
• Aon: Second-largest global insurance broker with deep Risk Capital, Human Capital, and commercial risk practices. Competes directly with Diot-Siaci in corporate and international insurance placement.
• Arthur J. Gallagher & Co. Major US-headquartered global insurance broker with strong retail and specialty practices. Competes in the same enterprise and specialty risk brokerage arena as Diot-Siaci.
• Verlingue: France-based insurance broker serving mid-market and enterprise clients across P&C and employee benefits. Direct French competitor to Diot-Siaci in corporate and protection sociale lines.
• Willis Towers Watson: Global advisory, broking, and solutions firm with a major Risk & Broking segment and substantial French operations (former Gras Savoye). Overlaps directly with Diot-Siaci in corporate insurance and benefits consulting.

Broad incumbents

• Allianz: World's largest insurer by premiums with broad commercial and specialty lines through Allianz Commercial. Competes with Diot-Siaci as both a carrier and as a distribution channel in large enterprise accounts.
• AXA: Global insurer headquartered in Paris with significant commercial and employee-benefits offerings. Acts as a carrier rather than broker but overlaps with Diot-Siaci across many corporate and individual coverage lines in France.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCd52Odhex6-RysmZd_RY0VA
• LinkedInlinkedin.com/company/diot

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Diot