Family Run Business

Headquartered in Northern Ireland, UK, Harlequin Manufacturing is one of Europe’s leading providers of innovative polyethylene storage tanks and systems.

Starting out as a family-run business, Harlequin has grown on an international scale and now exports to over 20 countries, reaching as far as Australia and South East Asia.

Innovative Products

Harlequin has developed a diverse and innovative product range for its clients in the residential, commercial, and agribusiness sectors.

With our state-of-the-art manufacturing facilities, we engineer a wide range of specialist products, such as wastewater treatment plants, rainwater harvesting systems, and hot water storage systems. Our products are designed and manufactured to exceed the most technical, environmental, and regulatory requirements.

Exceptional Customer Service

With over 90 employees, exceptional customer service is at the heart of Harlequin’s business; supplying quality products within a trusted and professional service.

Harlequin operates with a number of internationally recognised management system certifications, including; ISO 9001, 14001 and 45001. We are a registered member of OFTEC and British Water.

Our Team