Our History

  • 1999OnSite North Midlands Ltd

    SSI Services first incorporated as OnSite North Midlands Ltd
  • 1999South Staffordshire Water Services Ltd

    Business name changed at Companies House to South Staffordshire Water Services Ltd
  • April 2005South Staffordshire Water & Wastewater Services Ltd

    Business name changed at Companies House to South Staffordshire Water & Wastewater Services Ltd
  • April 2010 Growth

    Integrated Water Services Limited (IWS) successfully acquired Ion Water and Environmental Management Limited (ION), a water hygiene business based in Lanarkshire. These acquisitions further strengthened the IWS water hygiene service provision within Scotland and the North East of England.
  • June 2010 Sub Aqua Solutions Ltd

    Hydrosave UK Limited acquired Sub Aqua Solutions Limited, a specialist leak detection and utility services business based in Dundee.
  • August 2010 365 Environmental Services Ltd

    OnSite Central Limited (OnSite) acquired 365 Environmental Services Ltd (365ES) a leading drainage maintenance business based near Cirencester. 365ES was a long established wastewater business with an excellent reputation within the industry.
  • June 2010 Omega Red Group Ltd

    The Group acquired Omega Red, a market- leading specialist installation, testing and maintenance contractor within the electrical earthing and lightning protection market. https://www.crunchbase.com/organization/omega-red
  • April 2011 The Birth of SSI Services (UK) Ltd

    Business name changed at company’s house to South Staffordshire Infrastructure Services and the acquisition of Data Contracts Specialist Maintenance Ltd, a specialist infrastructure refurbishment and structural repair business based in Nottingham.
  • June 2012 Greenacre Pumping Systems Ltd and Lingard Ltd

    Acquisition of Greenacre Pumping Systems Ltd and Lingard Ltd. Greenacre, a specialist contractor whose core activities include the supply and installation of pumps and controls to water utilities and other major infrastructure companies. The business operates from Newton Abbot (Devon) and Dorchester (Dorset) principally across the South West of England.
  • October 2013 Woodside Environmental Services Ltd

    IWS acquire Woodside Environmental Services, a specialist mechanical and electrical engineering Company working in the water and wastewater markets with its own design and workshop capabilities as well as on site expertise.
  • October 2016 Green Compliance Water Division Ltd

    IWS purchase Green Compliance Water Division Limited a leading UK provider of water hygiene and treatment services to over 565 corporate customers nationwide, managing over 2,500 properties.
  • June 2017 G STOW Plc

    Acquisition of G Stow, a leading provider of borehole drilling and refurbishment services for the water sector with over 100 years of experience. The business is based in Wallingford.
  • October 2017 Advanced Engineering Solutions Ltd

    Advanced Engineering Solutions Ltd (AES) acquired. Based near Newcastle upon Tyne, AES is a specialist pipeline equipment engineering business providing inspection, performance assessment and maintenance for the gas, oil and water industries. The business has core expertise in mechanical, civil, material, electronics and software engineering.