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Saipem S.p.A / Subsea7 S.A.

Under assessment · Notification · Phase 2 · day 176, due 22 Dec 2026

Construction & Building MaterialsMN-01072ACCC register

Saipem S.p.A proposes to merge with Subsea7 S.A. This acquisition combines two global engineering and construction companies providing services for the offshore energy sector, including subsea infrastructure (SURF), offshore wind, and inspection, repair, maintenance, and decommissioning.

Timeline

  1. 27 Apr 2026Filed with the ACCC
  2. 27 May 2026Timeline extended by 18 business days – following request by parties
  3. 2 July 2026ACCC decided notification is subject to Phase 2 reviewPDF · 220.8 KB
  4. 2 July 2026ACCC decided notification is subject to Phase 2 reviewPDF · 220.8 KB
  5. 2 July 2026ACCC decided notification is subject to Phase 2 reviewPDF · 247.6 KB
  6. 10 Aug 2026Summary of Notice of Competition ConcernsPDF · 247.4 KB
  7. 10 Aug 2026Summary of Notice of Competition ConcernsPDF · 247.4 KB
  8. 11 Sept 2026Timeline extended by 15 business days – following request by Notifying Party to extend the period to respond to the ACCC's Notice of Competition Concerns
  9. 16 Oct 2026Timeline extended by 15 business days – following request by parties
  10. 22 Dec 2026Decision due

Acquisition details

Saipem S.p.A ( Saipem ) proposes to merge with Subsea7 S.A ( Subsea7 ) (the Acquisition ). Saipem is a global engineering and construction company that provides services for the energy sector, across both offshore and onshore projects. These services include the design, engineering, procurement, fabrication and installation of subsea infrastructure - umbilicals, risers and flowlines – that connects subsea wells and production systems to certain surface facilities (known as SURF ). SURF projects can be completed using one of a number of different pipelaying methods. Saipem also provides offshore wind infrastructure (limited to foundations and substations); inspection, repair, maintenance and decommissioning ( IRMD ) of subsea infrastructure and assets; and the maintenance, modification and operation of energy assets. Saipem also specialises in above-the-surface and onshore activities. Subsea7 is a global engineering and construction company that provides services for the offshore energy sector. Subsea7 focuses on SURF, offering a variety of SURF pipelaying methods as well as offshore wind infrastructure and IRMD.

Parties

Acquirer
Saipem S.p.A Register of Milan Monza Brianza Lodi under number 00825790157
Target
Subsea7 S.A. R.C.S. Luxembourg B 43172
ANZSIC
  • 3109 Other Heavy and Civil Engineering Construction
  • 6923 Engineering Design and Engineering Consulting Services

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