Both companies are specialists in engineered heavy lifting and transport for industries including offshore.
The closing of the transaction is subject to approval of the relevant competition authorities. Until that time, the companies will continue to operate independently.
Paul van Gelder, CEO of Mammoet, said: “Mammoet and ALE complement each other in geographical presence on all continents. Together, we have a well-balanced portfolio of activities worldwide. This enables us to improve our service proposition and create synergies, as we are able to mobilize equipment and personnel swiftly anywhere.
“Last but not least, Mammoet and ALE both have a strong legacy in innovations which, once combined, will enable us to grow as a technologically leading player.”