DIOTSIACI MONTAGNE / GBC MONTAGNE

Name

DIOTSIACI MONTAGNE / GBC MONTAGNE

Legal name

GBC MONTAGNE

Website

https://diot-montagne.fr

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Bourg Saint Maurice

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Insurance brokerage commissions: GBC Montagne operates as an insurance broker earning commissions from insurance companies for placing business. The company also receives honoraries and management fees. They develop tailor-made insurance contracts and customized solutions for businesses, professionals, local authorities, and special risks.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

GBC Montagne is an insurance brokerage that designs, places and manages tailor-made insurance contracts for mountain sports professionals (ski instructors, mountain guides, refuge guardians, snowmobile operators, sports shops), ski resorts and mountain-region businesses (hotels, restaurants, artisans, real estate and construction), as well as amateur athletes via the Impact Multisports card. The firm earns commissions and fees from carrier partners and distributes certain products through its own office in Bourg Saint Maurice, dedicated online subscription portals and a sports-shop reseller network.

Product overview

GBC Montagne operates as an insurance brokerage firm offering a comprehensive portfolio of specialized insurance products and services, primarily focused on mountain sports, professional mountain activities, and hospitality businesses in the Alpine and Pyrenees regions. The core offerings include: (1) RC Moniteur - professional liability insurance for sports instructors; (2) Impact Multisports - accident and rescue coverage for amateur athletes; (3) Prévoyance - provident insurance for independent mountain professionals; (4) Station insurance - comprehensive coverage for ski resorts; (5) Sector-specific commercial insurance (Pack Sport for retailers, hotel/restaurant coverage, salon insurance); (6) Residential and commercial property insurance (Immobilier); and (7) Business and corporate insurance for enterprises and artisans. The company functions as a subsidiary of Diot-Siaci Group, leveraging its scale to negotiate specialized coverage with insurance partners.

Differentiator

Problem solved

Functional benefit

Products and services

• Responsabilité Civile Moniteur de sport (RC Moniteur) Liability insurance for professional sports instructors (ski, VTT, kayak, etc.) that satisfies the legal obligations set out in Articles L321-1 and following of the French Sports Code.
• Impact Multisports Insurance and assistance cover for amateur and assiduous European sports practitioners, providing 24/7 worldwide repatriation, rescue and search costs up to €30,000 including helicopter extraction, medical expenses, personal accident cover and reimbursement of sport/leisure passes.
• Prévoyance Métiers de la Montagne et du Sport Complementary provident cover for independent mountain and sport professionals, including daily accident indemnities (private and professional), illness, death capital and invalidity protection for ski instructors, mountain guides, climbing and canyon/water-sports instructors, refuge guardians and paragliding instructors.
• Stations de Sports d'hiver Comprehensive multi-line insurance for ski resorts and winter sports stations covering property damage to ski lifts, terminals and snowmaking equipment, machine breakdown, business interruption, liability, vehicle fleets, cyber risks, legal protection, health and provident coverage.
• Secours Assur' Worldwide rescue and medical-expense cover for employees of mountain businesses, reimbursing on-piste and off-piste rescue (including helicopter) up to €6,000 and medical expenses up to €3,000 for surgical, medical, transport and dental costs.
• Motoneige Insurance for professional or private snowmobile owners, offered in two formulas (all-risk or civil liability plus legal defense) with optional trailer, assistance and driver/passenger individual coverage.
• Pack Sport (Multirisque Magasins de Sports) Comprehensive multirisk professional insurance for sports equipment stores (sales, rentals, repairs), covering participation in fairs, markets and exhibitions, quick-restaurant activities, full property damage and professional liability for equipment adjustment and repair defects.
• Assurance de vos locaux Targeted property insurance for ski school offices, ski club premises and tourist offices covering fire, water damage, theft up to €50,000, cash/securities up to €30,000, glass and signage up to €10,000, computer equipment up to €20,000 and 24-month temporary relocation costs.
• Immobilier — Immeubles Building insurance for mountain properties, including avalanche and rockfall coverage, 3-year rent loss protection, syndicate council liability and accidental liquid loss cover.
• Immobilier — Construction Construction insurance for builders and developers, including decennial liability, all-risk construction, dommage-ouvrage, non-realizing builder liability, master builder liability, collective decennial liability and financial completion guarantees.
• Entreprises & Industries — Artisans, Commerçants, Professions libérales Business insurance for enterprises, merchants, artisans and self-employed professionals, covering business and executive liability, property, professional equipment, merchandise, vehicle fleets, transport, legal protection, financial guarantee, pollution risks, event cancellation and cyber risks/fraud.
• Hôtels, Restaurants, Hébergements Insurance for hotels, restaurants and accommodation providers, covering property damage, equipment, inventory, business interruption and professional hotel liability.
• Coiffeurs — Inaptitude professionnelle Insurance for hair salons covering dismissal salary in case of professional unfitness from occupational diseases (allergies, musculoskeletal disorders), with two contract levels — 'doubling' up to €13,000 or 'totality' up to €25,000.

Quantifiable outcome

• 7 million+ ski days covered across Europe
• +1 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Diot-Siaci GroupcoreStrategic or Co-development PartnerGBC Montagne is a subsidiary of the Diot-Siaci Group. The parent company provides resources, brand backing, and operational support. GBC Montagne represents the specialized mountain sports insurance division of the larger insurance brokerage group. Contact email for Diot-Siaci is info.diot-siaci.com with website at diot-siaci.com

Scale indicators4 records

Direct peers

• Verspieren: Independent French insurance broker with deep roots in northern France serving enterprises and professionals. Comparable as a family-controlled brokerage with specialty product lines and a regional footprint built around domain expertise.
• Lockton: World's largest independent insurance brokerage with significant sport, recreation, and hospitality practices. Comparable as a high-touch specialty broker competing on customization and sector expertise, though operating at much greater scale.
• Howden Group: Independent specialty insurance broker operating across Europe with strong sport, leisure, and entertainment verticals. Comparable as a non-carrier intermediary competing on niche underwriting expertise and broker-driven product design rather than carrier scale.
• Diot-Siaci Group: Parent company of GBC Montagne and one of France's largest independent insurance brokerages. Directly comparable as a multi-specialty broker with overlapping distribution and carrier relationships; GBC Montagne is the dedicated mountain-vertical subsidiary within the group.
• April Group: Leading French insurance broker and credit-insurer serving individuals, professionals, and SMEs. Comparable business model (broker commissions, specialty product development, online subscription) and similar French SME/mid-market customer base.

Broad incumbents

• Aon: Global insurance and reinsurance brokerage. Overlapping in brokerage intermediation, sport-leisure accounts, and risk analytics; Aon operates at vastly greater scale and is not niche-focused on mountain-sports professionals.
• Willis Towers Watson (WTW): Global advisory, brokerage, and solutions firm with significant sport and entertainment practice. Comparable as a broker serving complex commercial risk but at global scale rather than French regional depth.
• Marsh: Global insurance brokerage and risk-advisory leader (part of Marsh McLennan). Overlapping capabilities in commercial insurance placement, claims, and risk consulting; differs by serving enterprise clients worldwide rather than specializing in mountain niches.

Emerging players

• Wakam: European B2B2C digital-white-label insurance platform enabling brands to embed customized coverage products. Comparable as a digitally native alternative that could white-label mountain-sport coverage, potentially disintermediating GBC Montagne's broker layer.
• Hiscox: Specialty insurer and digital broker known for active-lifestyle, hobbyist, and small-business niche products. Comparable as a digitally distributed specialty underwriter/distributor that overlaps with GBC Montagne's Impact Multisports-style amateur offerings, though operating as a carrier.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/diotsiaci-montagne

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 DIOTSIACI MONTAGNE / GBC MONTAGNE