Mainline Sewers & Water Management are a trusted drainage company offering comprehensive, reactive and planned maintenance services to ensure your drainage systems remain efficient, compliant, and built to last. 

With a focus on long-term solutions, we combine expert maintenance, repair and advisory services to meet the unique needs of every client.

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Why Choose Mainline?

 Proactive Maintenance Plans: Customised schedules with transparent cost
projections.

 On-site Compliance Checks: Expert advice for meeting new stormwater
regulations.

 24/7 Reactive Support: Rapid response to urgent drainage issues.

Integrated Services: Comprehensive solutions, including civil engineering.

Innovative Tools and Techniques: From CCTV surveys to trenchless
repairs.

With a commitment to efficiency, compliance and exceptional service, Mainline
 is your trusted partner for all drainage and groundworks solutions.


Serving East and West Sussex, Surrey and Hampshire, we combine our civil engineering prowess with environmental stewardship to deliver high-quality, sustainable solutions. Our services are designed to meet the complex needs of today's water management requirements, ensuring reliability and efficiency in every project we undertake.

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