Off-Mains Drainage Installers

OMDI is a family-run business, based near Pontefract, which was established in 2007 with over 20 years experience in the industry. Our expert team installs over 150 drainage systems per year nationwide. We provide an expert, personal and dedicated service to all our customers for each installation, ensuring the highest standards are met every time.

Our personal service thrives upon a dedication to the customer and keeping every step of the process in-house, never outsourcing works to contractors. A full turnkey solution takes care of you from the very start of the project right through to the final touches of the installation, including providing experienced advice, a thorough survey, supplying all parts and products, expert installation, de-commission of any old tanks and the final handover to the client.