WaterMan BD is a Bangladesh-based water purification retailer and service provider, serving customers since 1999. The company supplies water purifiers, filtration systems, accessories and water treatment solutions for homes, offices and commercial or industrial settings. Its products include household RO and UV purifiers, direct-flow systems, shower filters, hot-and-cold dispensers, commercial purifiers and complete treatment plants for applications such as softening, iron removal, wastewater treatment and mineral water bottling. WaterMan BD also sells replacement cartridges, membranes, pumps, valves, housings and other purifier parts.

Alongside product sales, the company provides water testing, consultancy, purifier installation and transfer, filter replacement, repair and maintenance, and water treatment plant servicing. Its service offerings include regular and master purifier servicing, as well as a monthly Pure Water Package for offices. WaterMan BD states that it serves Dhaka and other locations across Bangladesh, with same-day service available in Dhaka subject to appointment availability. The company highlights certified technicians, genuine parts and warranty, and reports serving more than 15,000 customers with over 65,000 repair and maintenance jobs.