Ardian Expansion has acquired a majority stake in MasterGrid for $295 million on July 1, 2025, supporting the company’s next phase of growth and capitalizing on investments in electricity infrastructure.

AcquirerArdian Expansion (FR)
TargetMasterGrid (FR)
Deal value$295m
TypeLBO
Close dateJuly 1, 2025
Buy-side financial advisorsVestra Advisors, Natixis Partners, Investec Bank
Sell-side financial advisorAmala
Buy-side legal advisorHogan Lovells, 42law
Sell-side legal advisorAvvocati Associati

The acquisition aims to bolster MasterGrid’s position in the electricity infrastructure sector by leveraging Ardian Expansion’s expertise and financial backing. MasterGrid, based in Grenoble, France, is a leading provider of maintenance services and manufacturer of equipment for critical electrical infrastructure.

Deal Mechanics

Ardian Expansion, with support from Investec Bank, Natixis Partners, and Vestra Advisors on the buy-side, acquired more than 50% of MasterGrid’s shares. Amala served as the sell-side financial advisor.

The deal was facilitated by legal counsel from Hogan Lovells and 42law for Ardian Expansion, while Avvocati Associati represented the interests of MasterGrid on the sell side.

Strategic Rationale

Ardian’s investment is geared towards accelerating MasterGrid's expansion plans and enhancing its service offerings. The company seeks to capitalize on growing demand for electricity infrastructure upgrades across Europe, Africa, and the Middle East.

MasterGrid’s diversified portfolio of services includes proprietary maintenance solutions, third-party equipment support, and engineering & solutions consulting. These segments are well-positioned to benefit from the increasing integration of renewable energy sources into existing grids.

Financial Context

The transaction reflects Ardian's commitment to supporting companies with strong growth potential within the infrastructure sector. MasterGrid’s track record includes 11 international market expansions since 2020, achieved through both organic and strategic acquisitions.

Ardian Expansion is expected to provide substantial financial backing for MasterGrid's continued growth, particularly in regions experiencing rapid modernization of electrical systems. This includes leveraging the company's extensive network of long-term contracts with major operators worldwide.