Activity :
Business services
Customer :
BSL Group
Acquirer :
BNP, CIC et Bred
Advice :
Nicolas Ibanez, Gabriel Hainault, Guillaume Segonne
About Largillière Finance
With offices in Paris, Nantes, Brussels and Geneva, Largillière Finance is an independent investment bank dedicated to assisting managers and shareholders of small and medium-sized companies with their capital transactions: company sales and acquisitions, financing (capital and/or debt), financial engineering (valuation, etc.) and financial strategy.
Financement and Debt Advisory - 2025
The BSL Group, a specialist in security and risk prevention, announces the acquisition of Atlas Sécurité Privée, a leader in human surveillance in Western France, to create a major player in the security and guarding business. This acquisition of 100% of the shares was carried out thanks to bank financing and the setting up of a CAPEX line, advised by Largillière Finance.
Founded in 1990, Groupe BSL is a security company specializing in risk management and prevention for the security, surveillance and guarding of goods and people. The Group covers the whole of France via 4 main agencies, and offers a complete range of services including security, surveillance, protection, intervention and fire safety for key accounts in the luxury goods, hotel, distribution, tertiary, transport and logistics sectors. With a workforce of 2,000, the BSL Group is growing fast.
Based in Isneauville, near Rouen, and founded in 2003 by Stéphane Chergui, Atlas Sécurité Privée is Normandy's largest independent group in security, safety and fire safety services. Atlas provides security for industrial, commercial and tertiary sites for corporate customers (large groups and SMEs) throughout France, and for major events. The group operates through a network of 4 private security agencies (Caen, Le Havre, Angers, Nantes), and employs 1,500 people, with sales of 34 million euros.
The private security segment has been experiencing strong growth in France for several years, due to security threats, particularly the terrorist threat. The market is highly segmented and dominated by a few major players.
This acquisition will enable the BSL Group to become one of the leading mid-sized players, and to position itself in new markets.
In addition to geographic expansion, the merger is based on strong operational and commercial synergies, underpinned by complementary customer portfolios and a shared corporate culture founded on proximity and responsiveness.
This acquisition is also in line with the national development drive of Sécuralliance France, and the international expansion ambitions of the Global Sécuralliance network, of which the BSL Group is a founder.
According to Gabriel Hainault, Director at Largillière Finance: “We are proud to have been able to support the BSL Group in this new stage of its development, with the setting up of bank financing under very good conditions, despite a tense debt market, and the addition of a CAPEX line to enable the Group to continue strengthening its positions in a fast-growing security market.”
With more than 40 employees, a strong international presence and nearly 30 operations in 2024, Largillière Finance confirms its leader position in small and midcap in France.
Leading
Excellent
Highly Recommended
Investment Bank: "Best growth dynamic": Golden Trophy 2025 Investment Bank: "Best M&A (small to mid) team": Special Mention 2025About Largillière Finance
With offices in Paris, Nantes, Brussels and Geneva, Largillière Finance is an independent investment bank dedicated to assisting managers and shareholders of small and medium-sized companies with their capital transactions: company sales and acquisitions, financing (capital and/or debt), financial engineering (valuation, etc.) and financial strategy.
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