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Mammoet Completes RKB Acquisition, Bolstering Building Works

RKB acquired by Mammoet

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RKB logo
Acquired

RKB

Financial Services

Undisclosed amount

October 30, 2025

Mammoet logo
Acquirer

Mammoet

Engineering Services

Mammoet, a global specialist in engineered heavy lifting and transport, has acquired RKB, a Middlesex-based building services company, for an undisclosed amount. This corporate acquisition sees Mammoet expanding its portfolio through the purchase of RKB, a firm known for providing comprehensive building works for both domestic and commercial clients. RKB specializes in services including general building, renovations, refurbishments, extensions, and loft conversions, offering a complete package from consultation to project completion with a focus on project management and skilled tradespeople.

The acquisition is strategically aimed at enhancing Mammoet's capacity to offer a broader range of integrated solutions to its clients. While Mammoet primarily focuses on large-scale industrial lifting and transport, RKB’s expertise in general building, property maintenance, and structural works provides a complementary capability. This integration allows Mammoet to potentially extend its project scope, providing ancillary building services that support its larger construction and infrastructure engagements, or to leverage RKB's project management model for smaller, specialized construction facets.

Expected synergies include an expanded service offering for both companies' client bases. Mammoet gains direct access to RKB’s established building expertise and local market presence, particularly within the commercial sector, which may benefit from comprehensive support services. RKB, in turn, stands to benefit from Mammoet's global operational scale and resources, potentially enabling growth into more complex or larger building modification projects that align with Mammoet's industrial footprint.

Looking ahead, the combined entity is expected to deliver a more holistic suite of services, positioning Mammoet to provide end-to-end solutions that encompass both heavy logistics and the essential building infrastructure around them. This strategic move underscores Mammoet’s commitment to diversifying its service offerings and creating additional value for its client projects through expanded in-house capabilities.

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