Chouest Group Acquires Alliance Business from Helix Energy Solutions Group

Friday, May 1, 2026

The Chouest Group announced it has completed the acquisition of the Alliance business from Helix Energy Solutions Group. Alliance will be integrated into Champagne Energy Solutions (CES), expanding the Group’s offshore decommissioning and plug & abandonment (P&A) platform.

The transaction builds on the recent formation of CES and advances the Chouest Group’s strategy to deliver fully integrated, end-to-end offshore solutions focused on late-life asset management and decommissioning.

The combined platform will provide services including P&A, subsea intervention, marine logistics, and infrastructure removal across the offshore energy sector.

Johnson Rice & Company acted as financial advisor to the Chouest Group on the transaction.

Categories: Construction Vessel Support Vessel Floating Production Offshore People Mergers & Acquisitions Industry News Activity People And Company News Renewables LNG Shale Regulations Hardware Software

Related Stories

Shell Plans to Launch $1b Wind Farm Sale

Petrobras' P-79 FPSO Completes First Oil Offloading at Búzios Field

Shearwater Nets ExxonMobil’s Seismic Survey Contract Offshore Guyana

Current News

Greece Approves Chevron Request to Lead Offshore Gas Exploration

Vaalco Reports Strong Well Results off Gabon as Drilling Campaign Advances

New Discoveries Pave Way for Johan Sverdrup’s Next Phase

BW Offshore's FPSO Marks Key Performance Milestone on Barossa LNG Project

Subscribe for OE Digital E‑News