About us
Trusted Environmental Engineering Expertise Since 2013
Charm Ltd. is a certified environmental engineering company with over 13 years of experience in STP, ETP, WTP, and sustainable infrastructure. Founded by experts from Bangladesh, Malaysia, Thailand, and Germany, we provide end-to-end solutions for water and wastewater treatment, project execution, and eco-friendly product development.
COLLECTION
TREATMENT PLANT
TREATMENT PLANT
TREATMENT PLANT
TO NATURE
CONSTRUCTION &
INFRASTRUCTURE
PROTECTION
& VALUE CREATION
GENERATION
WASTEWATER COLLECTION
Wastewater is collected from homes, businesses and industries through an intelligent network.
STP – SEWAGE TREATMENT PLANT
Advanced treatment processes remove contaminants and ensure safe, clean water.
ETP – EFFLUENT TREATMENT PLANT
Industrial wastewater is treated to remove harmful pollutants and recover valuable by-products.
WTP – WATER TREATMENT PLANT
Water is further purified to meet high-quality standards for reuse in multiple applications.
SMART MONITORING & DIGITAL INNOVATION
Real-time monitoring, AI analytics and IOT systems ensure efficiency, transparency and continuous improvement.
RENEWABLE ENERGY GENERATION
Solar energy and biogas power our operations, reducing emissions and driving sustainability.
RESOURCE RECOVERY & VALUE CREATION
We convert waste into usable resources: reclaimed water, biogas, fertilizer, and more.
SUSTAINABLE CONSTRUCTION & INFRASTRUCTURE
We build eco-friendly infrastructure that supports resilient and sustainable communities.
ENVIRONMENTAL PROTECTION
We restore green ecosystems, protect biodiversity and build a cleaner tomorrow.
SAFE RETURN TO NATURE
Clean, safe water is returned to nature, supporting ecosystems and preserving life.
INNOVATION & RESEARCH
Our laboratories and R&D teams develop innovative technologies for a sustainable future.
We create change where it is needed.
We manage every resource responsibly.
We convert waste into usable value.
We return safe water back to nature.
COLLABORATION & PARTNERSHIP
We work with communities, industries, institutions and governments to create lasting impact.
Our Service
Engineering Solutions for Water, Wastewater & Sustainability
Why Choose Us
Engineering Confidence, Compliance & Long-Term Support
Whether you’re a seasoned gardener or just starting out, we offer top-
quality gardening supplies, expert advice, and personalized services.
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Products Showcase
Reliable Product Lines for Modern Environmental Projects
STP Products
Packaged and MBR STP systems treat wastewater through advanced biological treatment and filtration for safe reuse or discharge.
This system offers:
Clean treated water output
Space-saving plant design
Low maintenance operation
Eco-friendly wastewater management
Suitable for residential and commercial projects
Long-term support for water conservation
ETP Products
ETP technology treats industrial wastewater by removing harmful pollutants before discharge or reuse.
This system offers:
Effective treatment for industrial wastewater
Reduced pollution and environmental impact
Compliance with discharge standards
Safer water release into the environment
Support for water reuse in industries
Reliable operation for different industrial needs
WTP Products
WTP technology purifies raw water by removing impurities, particles, and harmful elements to make it safe for use.
This system offers:
Clean and safe water for daily use
Removal of dirt, odor, and impurities
Improved water quality for homes and businesses
Reliable treatment for different water sources
Safe water supply for communities
Long-term support for healthy living
Solar Products
Solar technology converts sunlight into clean energy for homes, businesses, and industries.
This system offers:
Lower electricity costs
Clean and renewable energy
Reduced dependence on grid power
Eco-friendly power generation
Long-term energy savings
Reliable support for sustainable living
FRP Products
FRP technology uses strong and lightweight materials to create durable products for water and industrial applications.
This system offers:
Strong and long-lasting performance
Lightweight and easy installation
Resistance to corrosion and rust
Low maintenance requirements
Suitable for water and chemical use
Reliable durability in tough conditions
Construction
Construction solutions support safe, efficient, and durable project development from planning to completion.
This system offers:
Strong and reliable construction quality
Professional project planning and execution
Safe and efficient work process
Durable structures for long-term use
Support for residential, commercial, and industrial projects
On-time project development with quality control
Our Process
From Consultation to Commissioning
01
Site Visit & Requirement Analysis
02
Design & Technical Planning
03
Equipment Supply & Installation
04
Maintenance & Technical Support
Highlighted Projects
Proven Work Across Government, Residential & Institutional Sectors
Brand Trust
Abdur Rahman
Shamsur Rahman
Amar
Gallery
A glimpse of our real projects and engineering expertise.
Articles & Tips
