Jeantet asserts its “Defence and Security” expertise for Sovereign Industries
In a geopolitical context marked by mounting tension, the strategic sectors of security, defence and sovereign industries such as health and telecommunications, are paramount as governments take on their duty of increased vigilance. Jeantet, an independent business law firm based in France, has developed its own expertise team to support these strategic sectors. Its specialist lawyers have in-depth knowledge of the military world and sovereignty issues and are very familiar with the area of economic intelligence and the specific aspects of such cases including special authorisations. Jeantet supports the major players and leaders of its target sectors – aviation, naval, nuclear, new technologies & digital, energy, telecommunications & cyber, and health – by adopting an approach that’s adapted to the key issues and quality aspects of international groups, subcontractors and high-potential companies, and particularly developers of dual technologies
for the civil and military sector.
Jeantet advises its clients through all of their major operations and projects (acquisitions, partnerships and joint ventures, tenders and administrative procedures, business agreements, dispute resolution) in all aspects of business law (corporate law and M&A, intellectual property, competition and tendering, public law and public procurement, financing law, labour law, compliance and dispute management). The firm has structured its “Defence and Security” expertise through a cross-disciplinary team that draws on the firm’s key skills. The team includes managing partner Karl Hepp de Sevelinges, partners Xavier Pernot, Thomas Picot and Vincent Netter, and counsel Julia Bombardier and Adrien Fourmon.
The expert team is coordinated by Thomas Picot (IHEDN-SN67, reserve officer, teacher at the War School) and Xavier Pernot (founder and president of the IHEDN youth association).
In this regard, Xavier Pernot explained: “Jeantet, as an independent and international firm, has the know-how to support all players in this essential sector in France, Europe and Africa in particular, with the required level of confidentiality and expertise”.
Thomas Picot added: “Players in the defence and security sector are faced with a legal and regulatory framework, a competitive nvironment and very specific constraints. Our objective is to provide them with seamless support and solutions with total independence, while keeping these key needs in mind”.





Jeantet advises the Hyg’up Group on the sale of Amplitude Services to Laboratoires Ceetal
Paris, November 27, 2025 – Jeantet advised the Hyg’Up group on a strategic carve-out of Amplitude Services’ activities. This transaction is a decisive step in the Hyg’Up group’s strategy of refocusing on its core business activities, enabling it to concentrate its resources and expertise on priority strategic business segments while optimizing the group’s operational performance. […]
| CORPORATE – M&A – PRIVATE EQUITY
Paris, June 25, 2025 – Jeantet advised LBO France and Andera Acto on the sale of Prenax, a specialist in outsourced subscription and non-strategic purchasing management, to the pan-European fund Triton Partners. The Jeantet team drew on its multidisciplinary expertise, with Pascal Georges (Partner), David Hallel and Nicolas Méheust (Associates) handling corporate matters, Gabriel Di […]
| CORPORATE – M&A – PRIVATE EQUITY | TAX | EMPLOYMENT
Jeantet advises Entreprise Redonnaise d’Électricité on the acquisition of the Ardelec Énergie Group
Paris, November 17, 2025 – Jeantet advised Entreprise Redonnaise d’Électricité (ERE) on the acquisition of Ardelec Energie, an external growth transaction carried out less than a year after LBO France Gestion acquired a majority stake in ERE. Based in Redon, Bretagne, ERE designs and manufactures prefabricated concrete transformer stations, mainly for industrial customers. Ardelec Energie, […]
| CORPORATE – M&A – PRIVATE EQUITY | EMPLOYMENT | TAX LAW | FINANCING
Jeantet advises GIFI on its plan to sell thirty stores to Grand Frais
Paris, October 24, 2025 – Jeantet is advising GIFI, a retailer specializing in home decor and general merchandise, in its discussions with GRAND FRAIS, a food retailer, regarding the sale of 25 to 30 stores. The agreements could be signed in early 2026, after consultation with GIFI’s employee representative bodies. The final completion of the […]
| REAL ESTATE | CORPORATE – M&A – PRIVATE EQUITY
Jeantet advises T.Capital on the EUR 58 millions series C fundraising of Filigran
Paris, 8 october 2025 – Filigran is an innovative French start-up operating in the development and marketing of cybersecurity solutions based on open source software, enabling businesses to optimize the management of their cybersecurity systems in order to anticipate any threats and detect any incidents. The investment will enable Filigran to accelerate its expansion in […]
| CORPORATE – M&A – PRIVATE EQUITY
Jeantet advises LBO France on the sale of its stake in Serapid to Capital Croissance and its co-investors
Paris, September 30, 2025 – Jeantet advised LBO France on the sale of its stake in Serapid, an expert in rigid chain technology for moving heavy loads, to Capital Croissance and its co-investors. Capital Croissance, the entrepreneurs’ club dedicated to growing SMEs and mid-cap companies, has acquired a majority stake in Serapid alongside the company’s […]
Paris | CORPORATE – M&A – PRIVATE EQUITY | TAX
Jeantet advices New Deal Advisors in its integration into the Eight Advisory Group
Paris, October 6, 2025 – Jeantet advised New Deal Advisors, an Italian financial and transactional advisory firm, with its integration into the international Eight Advisory group, a leading provider of financial, operational, and strategic advisory services. New Deal Advisors has around 50 employees and mainly advises mid- and large-cap private equity funds. This merger marks […]
| CORPORATE – M&A – PRIVATE EQUITY
JEANTET ADVISES HOFFMANN GREEN CEMENT TECHNOLOGIES ON ITS SHARE CAPITAL INCREASE WITH PREFERENTIAL SUBSCRIPTION RIGHTS AND RESERVED ISSUANCE OF BONDS CONVERTIBLE INTO SHARES
Paris, 3 October 2025 – Jeantet has advised Hoffmann Green Cement Technologies, a company listed on Euronext Growth Paris, on its share capital increase with preferential subscription rights and the reserved issuance of convertible bonds (“CBs”) to Inveready, for a total amount of €13.9 million. The subscription period was open from 11 September to 23 […]
| CORPORATE – M&A – PRIVATE EQUITY
Jeantet advises the banks in the contexte of the share capital increase by way of private placement of Capital B (the Blockchain Group) for a total amount of approximately €58 million
Paris, 26 September 2025 – Jeantet has advised the banks in the context of the share capital increase by way of a private placement to qualified investors of Capital B (The Blockchain Group) on the Euronext Growth Paris market, for a total amount of €58.1 million. The capital increase of Capital B, a “Bitcoin Treasury […]
Paris | LISTED COMPANIES AND CAPITAL MARKETS LAW
Jeantet advised Coincheck Group N.V. on the signature of an agreement to acquire APLO SAS
Paris, September 12, 2025 – Jeantet advised Coincheck Group N.V., holding company of Coincheck, Inc., one of Japan’s leading crypto asset exchanges, on the signature of an agreement to acquire Aplo SAS, a French digital asset prime brokerage for institutional crypto investors. Coincheck Group N.V. was advised by a joint team of Jeantet and the […]
Paris | CORPORATE – M&A – PRIVATE EQUITY | BANKING AND FINANCIAL REGULATION | INTELLECTUAL PROPERTY | TECH & DATA | EMPLOYMENT | TAX LAW
Jeantet advises DERICHEBOURG AERONAUTICS on its acquisition of control of the SACI TECHNOLOGY GROUP
Paris, 10 September 2025 – Jeantet advised Derichebourg Aeronautics on its acquisition of control of the companies of the SACI Technology Group from its reference shareholder, Be Box Development. The SACI Technology Group companies are active in engineering and design services for the industrialization of products in the aeronautics industry. Through this acquisition, under which […]
Paris | CORPORATE – M&A – PRIVATE EQUITY
Jeantet advises LIDL on the acquisition of 19 supermarkets under the AUCHAN brand
Paris, July 25, 2025 – Jeantet advised the retail chain Lidl on the planned acquisition of 19 supermarkets currently operated under the Auchan banner. Auchan’s employee representative bodies are currently being consulted regarding the contemplated transaction. The completion of the deal remains subject to the fulfilment of several conditions, including clearance from the French Competition […]
Paris | CORPORATE – M&A – PRIVATE EQUITY