SSI Services Specialist Utilities Contractor

Supporting the whole-life cycle of our public and private sector customers’ infrastructure assets, through the provision of premium quality specialist services
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.

South Staffordshire Infrastructure Services (SSI) has a broad range of customers which includes UK water and energy utilities, operators and regulators of critical infrastructure, major contractors and FM companies working across the water, waste water, water hygiene, rail, highways, construction, power, gas and local authority markets.

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

SSI Services is the home of Hydrosave, OnSite, OnSite Specialist Maintenance, Advanced Engineering Solutions, Omega Red Group Limited, Integrated Water Services Mechanical & Electrical, IWS Water Hygiene, G STOW Plc & Fleet Services

South Staffordshire Plc also encompasses South Staffs Water, Cambridge Water and Echo, making it one of the UK's largest and most diverse utilities, civil engineering, maintenance & consultancy groups.


SSI Services operates across multiple core sectors providing a range of value added services including; Clean/ Wastewater Services, Industrial, Structural, Gas Services, Lightning Protection, Electrical Earthing Services & water hygiene. With extensive experience in multiple sectors, the SSI Services group of companies offers you high quality solutions, competitive pricing and a proven track record of successful delivery.
Businesses in the Group

SSI Services Businesses

Advanced engineering solutions logo

Advanced Engineering Solutions

Specialist Pipelines & Pipeline Equipment Engineers
Omega Red Group

Omega Red Group

UK market leader in Earthing & Lightning protection
OnSite Speciaist maintenance

Onsite Specialist Maintenace

Concrete Repair and Specialist Leak Sealing Contractor
onsite logo


Water & Drainage Specialists
Integrated water services logo

Integrated Water Services

Mechanical & Electrical
iws water hygiene division

Integrated Water Services

Water Hygiene
Hydrosave logo


Water management specialists
G stow logo

G Stow PLC

Geothermal Boreholes & Drlling specialists
Fleet vehicle management

Fleet Services

Fleet Vehicle Management

Safety First

Our positive impact comes through a safety first approach to working procedures and an environmentally friendly culture. A Group level Health and Safety Strategy Forum, led by the Group Chief Executive and supported by the Head of Health and Safety, continues to oversee activities in this important area of the business.


Benefit from a wider coverage We are situated in various locations across the United Kingdom. This is an extension of our capability and allows us to best serve your project. Get in touch with us today!

Responsible Business: A Commitment

Being responsible at SSI Services means to be a guardian of the environment we work in, our people, our customers and their customers. We use our engineering capability and knowledge to make sure our work has the least impact on the environment. Our approach to responsibility starts with making sure our people have the support they need to do their work effectively. We focus on the local community and aim for a positive impact.

SSI Test Inspect Consult

SSI Test, Inspect and Consult is a trading division of Hydrosave UK Ltd. No matter how complex a project or risk, we can assist our clients with end to end solutions including inspections, measuring/monitoring, remedial works and new build projects.SSI Test, Inspect and Consult provides specialist site inspection and forensic testing services of essential infrastructure

Test, Inspect Consult Services