SSI Services is the specialist contracting arm of South Staffordshire Plc, providing a broad range of specialist services from design through to installation, testing and repair to long term maintenance contracts.


The business, through its operating companies, provide compliance and regulatory required specialist inspection, maintenance and design/build services to the public and private sector.

our businesses

Advanced Engineering Solutions - Specialist pipeline and pipeline equipment engineers servicing the gas and water sectors. The company has core expertise in mechanical, material, electronics and software engineering. Based on a blend of applied consultancy, engineering development activities and specialist technical operations, AES provides high quality engineering services to pipeline operators and suppliers.

G Stow - They are among the pioneers of techniques including aquifer storage and recovery and are highly experienced in adit driving and repair with extensive expertise in borehole construction and rehabilitation. With the increase in geothermal energy systems their experience in drilling geothermal boreholes puts G Stow at the forefront of the industry. With the specialist skill and knowledge G Stow can offer a unique end to end service including full turnkey solutions incorporating M&E design, operation and maintenance.

Integrated Water Services (IWS) - The M&E business unit provides a specialist service in all aspects of design, project management and delivery for water and wastewater assets. IWS Water Hygiene is UK’s foremost provider of specialist services and solutions for all aspects of Water Treatment and Water Hygiene Services

Hydrosave - Provides services such as pipeline leak detection, installation and maintenance of 24/7 monitored networks, specialist camera inspections, corrosion condition assessment (non-destructive and laboratory), asset inspection and forensic assessment, seized valve release, valve torque assessment, demand and customer analytics, water quality maintenance, water conservation, strategy and policy support, product development and partnering of new inspection and survey technologies.

OnSite - Provides services such as CCTV, sewer surveys, drainage services, sewer rehabilitation including UV Lining, waste water flow surveys, emergency sewer maintenance and civil engineering solutions including trenchless technology, water pipeline solutions and portable dams, for waste water, waterways, rail and related markets.

OnSite Specialist Maintenance - Provides services such as infrastructure refurbishment and structural repairs with a particular focus on structural waterproofing and concrete repair, chemical resistant linings, manhole refurbishment and condition surveys.

Omega Red - Undertakes all aspects of electrical earthing and lightning protection projects offering a fully integrated service capability from design to installation, testing and maintenance for commercial and industrial as well as FM and utilities sectors.