Sigma is an Engineering firm established in 1985, with an initial vision to address the need for water in urban, suburban and rural communities of Bangladesh.

We take immense pride in the strength of our service networks alongside each client relationship. The company embodies a dynamic spirit prioritizing the health of our partnerships over any other obligation or transactional exchange.

Since its youth, Sigma has been handling sewage, managing waste water, and harvesting rain-water. We equip fire detection and protection systems, provide plumbing & sanitation works, install hydro-pneumatic booster systems, commission high pressure pump stations, build  sophisticated water supply networks and irrigation infrastructure including distribution channels. The list of expertise is quite exhaustive!

Today- we also make biogas plants, industrial cooling systems and engineer power plants. Sigma is heavily involved in projects involving  Pumps, motors, valves, Substations, metering, Control Panels, SCADA systems and electricity production involving generation of Solar Power.

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