The minority shareholders of JJ Tomé have sold their stake to Eiffage
August 2026 — The minority shareholders of JOÃO JACINTO TOMÉ, S.A. (JJ Tomé) have sold their remaining stake to Eiffage Énergie Systèmes, which was already the majority shareholder, giving the French group full ownership of the Portuguese business.
Founded in 1950, JJ Tomé specializes in the design, delivery and management of turnkey energy projects, including electrical and mechanical installations comprising heating, ventilation and air conditioning systems (HVAC) and other fluid systems, as well as multi-technical maintenance. The company serves four markets: industry, infrastructure and networks, tertiary and municipalities and communities.
Eiffage Énergie Systèmes is the energy arm of Eiffage, one of Europe’s leading construction and concessions groups, listed on Euronext Paris. From more than 100 establishments across Europe, it designs, builds, operates and maintains electrical, industrial, HVAC and energy systems for industrial, infrastructure, municipal and tertiary-building clients.
Our role in the transaction
Oaklins’ team in Portugal acted as the exclusive M&A advisor to the selling minority shareholders, supporting them throughout the valuation, negotiation and closing of the transaction.
Talk to the deal team
Related deals
JP Chick & Partners has been acquired by Qflow
J P Chick & Partners Ltd. has been acquired by Qflow Group AB, strengthening Qflow’s presence in the UK. With nearly 40 years of experience, an established presence in the East of England and broad expertise in structural, civil and environmental engineering, J P Chick complements the capabilities of Qflow’s existing UK businesses. The acquisition further expands Qflow’s UK operations and strengthens its multidisciplinary engineering offering.
Learn moreDe Groot Installatiegroep has acquired a stake in Pesch Electrotechniek
De Groot Installatiegroep has acquired a stake in Pesch Electrotechniek, a specialist in industrial electrical installations and electrical engineering services based in Rozenburg, the Netherlands. Through the acquisition of Pesch, De Groot Installatiegroep enters the industrial electrical installation market and establishes a presence in the Rotterdam port region. For Pesch, the partnership provides access to the resources, capabilities and broader technical expertise of a larger installation group, while allowing the company to build on its existing customer relationships and specialist market position.
Learn moreValuation advisory has been provided to a co-investor in VDK
EMK Capital has transferred VDK Groep B.V. from EMK Capital Partners Fund I into the newly established US$1.4 billion single-asset continuation fund, the EMK VDK Partnership Fund, alongside a co-investment from EMK Capital Partners Fund III. The transaction, co-led by LGT Capital Partners and Coller EQT, provides existing investors with the opportunity to retain their exposure to VDK while securing additional capital to support the company’s continued growth and buy-and-build strategy.
Learn more