4i Water Services Ltd

4i Water Services Ltd is a specialist provider of integrated water treatment, hygiene, and compliance solutions. Operating nationwide from our base in Bury St Edmunds, we support organisations across multiple sectors in maintaining safe, efficient, and fully compliant water systems.

Independently owned and highly accredited, 4i Water Services holds memberships with leading industry bodies and brings decades of technical expertise and operational experience. Our collaborative approach ensures close alignment with client objectives, enabling the delivery of tailored, risk-managed solutions that meet both regulatory requirements and operational demands.

We have a strong and demonstrable track record in delivering complex water management programmes to strict timeframes, including environments with elevated risk profiles such as healthcare, commercial, industrial, and specialist facilities. Through engineered solutions and scientifically validated chlorine dioxide processes, we safeguard water quality while supporting sustainability objectives and reducing environmental impact.

4i Water Services differentiates itself through the delivery of a fully integrated service model. Our capabilities encompass HTM 04-01, ACOP L8, SFG20 and SG274 compliance, Legionella risk assessment and management, planned and reactive maintenance, remedial works, plumbing and drainage, HVAC, and full mechanical services. By consolidating these disciplines under a single governance structure, we provide consistency, accountability, and efficiency across all aspects of water management.

This unified approach reduces administrative complexity, enhances operational performance, and delivers measurable cost efficiencies, while maintaining the highest standards of water safety and compliance. Supported by a professional, client-focused engineering team, 4i Water Services is a trusted partner for the long-term management of critical water systems.

4i Water Services Ltd is accredited to the following agencies: –
Legionella Control Association (Membership No. 2010/2125)
ISO 9001 (Certificate No. 14122473)
ISO 14001 (Certificate No. 14122521)
ISO 18001 (Certificate No. 14122522)
IHEEM (Membership No. 203536)
Water Management Society (Membership No. M2272/18)
Gas Safe (Certificate No. 634753)
Constructionline (Acclaim/Social Value))(Membership No. 152231)
BSRIA (Membership No. CON3125)
Alcumus- SafeContractor (Certificate No. BZ0132)
Made In Britain (Membership No. 0097)

British Safety Council (0450542-IP309UP)

Suffolk Trusted Trader ( 478)

ICO (ZA392890)

SafeContractor (BZ0132)

Environment Agency (Waste Carrier) (CBDL438113)

British Chemical Association