View the Rotech Subsea RS product range


Over 30 Years Industry experience.

2017 DONG Energy sanction the TRS1's Trenching System method to post trench array and export cable routes following the success of Rotech Subsea's operations on Burbo Bank Wind Farm. The RS technology is the first non-contact jetting method to carry out such operations on major array and export routes

2016 Rotech directors Dr Donald Stewart, Martin Graham, Steve Aitken & Stephen Cochrane along with Chairman Mike Hill lead the three operating companies, Engineering, Fabrication & Subsea in a Rotech management buyout (MBO).

2016 Rotech celebrates 30 years in the offshore sector and Rotech Subsea launch the new TRS2 systems for major sandwave clearance and pipeline trenching scopes.

2015 Rotech Subsea re-enters the oil & gas and energy sectors with the new Controlled Flow RS Excavation Range. RS1, TRS1 and Backfilling systems operate successfully on commercial projects.

2014 Rotech’s TurboMac short, high-temperature drilling turbine completes first drilling trials.

2011 Rotech wins contract with Shell to design a tool for decontaminating subsea structures prior to decommissioning.

2011 Rotech sells 'T-shaped' Subsea Excavation Assets, including its USA and Singapore subsidiaries, to REEF AS of Norway.

2010 Rotech Subsea opens sales office in Rio de Janeiro.

2006 Rotech Subsea opens sales and maintenance facilities at Cunningham Business Park, Houston. Singapore sales office opened and Rotech Subsea Asia Pacific PTE LTD formed.

2005 First subsea deepwater excavation completed in 1000 metres water depth.

2004 Rotech opens Subsea USA LLC to service US GOM.

2003 Commenced development of the Rotech Tidal Turbine under the DTI Sustainable Energy Programmes.

2000 Rotech Subsea Ltd formed. First post-trenching of a 70km 36” pipeline completed in Egypt.

1998 First commercial field trial of Rotech 'T-shaped' subsea excavation equipment successfully completed on the Cardiff Bay Barrage project.

1998 Rotech licenses MacDrill technology to Weatherford International Inc.

1996 First commercial MacDrill field trials in Norwegian Sector of the North Sea for BP and Statoil.

1994 Rotech acquires VSO as the first step towards establishing a group of companies focused on developing new energy related technologies and commenced development of:

  • the MacDrill motor, an innovative all-metal downhole motor for oil, gas and geothermal applications.
  • the Flowdredger, a mass flow excavation device incorporating twin inline counter-rotating impeller.

1986 Volker Stevin Offshore (UK) Limited (VSO) was established to provide fabrication services to the North Sea offshore energy industry.