• Environmental Engineering

    The Pioneer Provider of Industrial Water Treatment Chemicals & Plants

Environmental Engineering

Brown & Company brings over 45 years of experience and expertise in Environmental Engineering to the development of innovative and cost-effective solutions to various water treatment challenges. Our team collectively brings together rich experiences in industrial water treatment chemicals & designing, installation of treatment plants and more. With our multi skilled specialized team consisting of Managers, Chemical Engineers & Technicians, we consistently endeavor to stay abreast of the latest technology, so that we can offer most relevant and cost effective efficient solutions to our clients.

We are committed for excellence by meeting or exceeding our customers’ expectations around the clock.

We provide engineering solutions related to,

  • 1. Industrial and Water Treatment Chemicals.
  • 2.Water Treatment Plants & Chemicals.


Deuterium Limited

Brown & Company PLC was the pioneer industrial water treatment chemical provider and has been in the business of marketing water treatment solutions including chemical supplies and services, for the past 45 years.

Browns is the only exclusive agent in Sri Lanka for the last 20 years, representing Deuterium Limited of United Kingdom, the professional experienced in delivering industrial water treatment chemicals around the globe.

Browns partnership commits to offer the Sri Lankan industry quality and providing the best available technology & services in water treatment industry

Our specialized Services,

Boiler Water Treatment Chemicals,

  • Corrosion Inhibitors
  • Scale Inhibitors
  • pH Conditioners
  • Oxygen Scavengers
  • Metal Passivators
  • Volatile Corrosion Inhibitors
  • Furnace Oil Treatment

Cooling Water Treatment Chemicals

  • Corrosion & scale inhibitors for open and semi closed cooling water circuits.
  • Corrosion and scale inhibitors for closed loop chilled water circuits
  • Multifunctional chemicals for small and medium scale systems.
  • Scale inhibitors for high heat flux cooling water systems.
  • Oxidizing / Non oxidizing biocides & Bio dispersants
  • Legionella Treatment Chemicals

Descaling and Flushing Agents

  • Inhibited acid de-scalents for Boilers & Cooling Water Systems
  • Alkaline based flushing agents
  • Online de-scalents
  • Special copper corrosion inhibited de-scalents
  • Neutralizing Agents

Brown & Company PLC provides total water treatment solutions to customers, especially, natural water treatment for drinking and various other applications, waste water treatment for commercial and domestic applications.

Browns is geared with advanced engineering technologies of plants and equipment for treatment of water.


Design supply, Installation & Commissioning of,

  • Waste water treatment plants
  • Sewage Treatment Plant
  • SBR Plant
  • MBR Plant
  • MBBR Plant
  • Reverse Osmosis Plant
  • De-Mineralisation Plant
  • Ultra-filtration plant
  • Domestic water treatment systems (Dechlorination of drinking water)

Supply, Installation & Service of,

  • Water Filters / Water Softeners
  • Chemical Dosing Pump
  • Test Kits & pH Monitors
  • Operation and maintenance of water treatment plants

Supply of Water Treatment Chemicals & Filter Media,

  • Resin - Cation /Anion
  • Activated Carbon
  • Filter Media
  • Water treatment chemicals


For Sales

Mahesh Kariyawasam

Manager - Chemicals & Treatment Plants
Brown & Company PLC
  • 34, Sir Mohamed Macan Marker Mawatha, Colombo 03, Sri Lanka.
  • +94 777 448 653
  • +94 112 663 000

For Services

Sulari Wanninayake

Chemical Engineer
Brown & Company PLC
  • 34, Sir Mohamed Macan Marker Mawatha, Colombo 03, Sri Lanka.
  • +94 773 833 517
  • +94 112 663 000

Shalika Jayakody

Chemical Engineer
Brown & Company PLC
  • 34, Sir Mohamed Macan Marker Mawatha, Colombo 03, Sri Lanka.
  • +94 773 688 141
  • +94 112 663 000