Established in 1977, OnSite is part of SSI Services (UK) Ltd, a division of South Staffordshire Plc and has grown through strategic acquisition and organic expansion to become one of the UK's leading providers of specialist contracting services.

Drawing on unrivalled experience, coupled with specialist equipment and highly skilled personnel, OnSite has a proven track record in the successful delivery of projects and contracts across a broad spectrum of market sectors; including some of the most demanding industrial environments.


Active throughout the United Kingdom and delivering projects internationally, OnSite is committed to exceeding industry standards and meeting clients’ needs.

OnSite’s cost-effective solutions combine the highest standards of Health and Safety, Customer Care and Environmental Responsibility with levels of quality that set an industry benchmark. There is a healthy mix of experience and expertise across the business with premium quality staff being retained through excellent industrial relations along with opportunities for personal development within the Company.

Read more about our commitment to Health & Safety, Quality and the Environment on our Compliance page, which also includes links to our Gender Pay Gap ReportModern Slavery and Human Trafficking Statement and Privacy Notice.

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