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Principal Consultant & ProprietorMd. Alimul Sarker
Environmental compliance, ETP operation and sustainability management.
Environmental Consultancy • ETP • Compliance • Sustainability
Empowering Your Compliance Journey
Your trusted partner for environmental compliance, certification, ETP solutions, sustainability, climate, chemical and waste management, social compliance and professional training.
2025Green Catalyst Established
50+ YearsCombined Professional Experience
11+ YearsPrincipal Consultant's Environmental & ETP Experience
GREEN CATALYSTPractical. Reliable. Industry-Focused.
Environmental compliance, ETP solutions, certification support, sustainability and professional learning.
ServingTextileGarmentsDyeing & WashingManufacturingIndustrial ProjectsGovernment / NGO
2025Founded in Tongi, Gazipur
WHO WE ARE
Practical environmental solutions for real industrial needs.
Green Catalyst is a professional environmental consultancy firm established in 2025 in Tongi, Gazipur, Bangladesh. We support textile, garments, manufacturing and other industrial organizations with environmental compliance, certification, ETP operation and management, sustainability and training.
- Environmental compliance & certification support
- ETP operation, optimization & troubleshooting
- Audit preparation and corrective action support
- Sustainability, climate & capacity development
WHAT WE DO
View all services →Integrated services for a greener industry.
Certification & Audit Support
GRS, GOTS, Higg FEM / Worldly, STeP by OEKO-TEX, OEKO-TEX Standard 100, ISO 14001, ISO 9001, Buyer Code of Conduct, environmental audit and buyer audit preparation.
↗Environmental Consultancy & Assessment
EIA, EMP, environmental feasibility studies, ECC support, climate change and sustainability assessment, waste-management planning and environmental project support.
↗ETP & Technical Solutions
ETP operation and management, performance evaluation and optimization, capacity assessment, design review, troubleshooting, wastewater monitoring, biological process optimization, chemical dosing, sludge management and ZLD guidance.
↗Chemical & Waste Management
Chemical Management Systems, hazardous chemical handling, waste inventory and tracking, waste reduction, resource efficiency, waste-management planning and ZDHC compliance support.
↗Social Compliance & HR
BSCI, SEDEX, WRAP and related social-compliance audit preparation, Bangladesh Labour Law compliance, HR policy support, CAP implementation, worker welfare and grievance support.
↗Sustainability & Climate
GHG emission calculation, carbon-footprint support, SBTi, energy, water, waste and broader sustainability and climate assessments.
↗Training & Capacity Development
ETP Basic and Advanced, ETP parameter testing, GHG, SBTi, waste, sludge, chemical management, ISO EMS/QMS internal auditor and resource-efficiency training.
↗GREEN CATALYST DIGITAL
Environmental analysis tools.
Our digital roadmap includes ETP Capacity Evaluation, ETP Design & Technical Analysis, Environmental Document Analysis and future AI Environmental Analysis.
Explore Analysis ToolsETPCapacity Evaluation
Structured technical assessment.
TECHETP Design & Analysis
Future technical analysis workflow.
DOCEnvironmental Document Analysis
Structured document-based insights.
AIAI Environmental Analysis
Future AI capability.
GREEN CATALYST ACADEMY
Explore Academy →Learn practical environmental, compliance & sustainability skills.
Recorded courses and professional training for engineers, ETP operators, compliance professionals, sustainability teams, students and industrial management.
Higg FEM 4.0 / 2026 Practical TrainingSBTi & Climate Target TrainingGHG Emission CalculationETP Operation Training — BasicETP Operation Training — AdvancedETP Troubleshooting
Browse Recorded CoursesACADEMYRecorded CoursesStudent AccountsbKash Purchase WorkflowProtected Video Access
EXPERIENCE
View Projects & Experience →Experience built inside the industry.
50+ YearsCombined professional experience
11+ YearsPrincipal Consultant environmental & ETP experience
Multi-sectorTextile, garments, manufacturing and industrial work
2025Green Catalyst established
OUR TEAM
Meet Our Team →Professionals with complementary expertise.
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Manager – Business DevelopmentOmar Faruk Chowdhury
Business development, marketing, communication and client relationship management.
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Associate Consultant – Environmental Compliance & SustainabilityMd. Nazrul Islam
EMS, chemical management, environmental compliance and sustainability.
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Associate Consultant – Environmental Compliance & SustainabilityRabbi Al Mamun
EMS, sustainability, ETP monitoring, chemical safety and buyer audits.
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Associate Consultant – Social Compliance & HRMd. Faridul Islam
Social compliance, HR, labour law, audits and corrective action plans.
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IT & Client Services ManagerKaniz Fatema Rupa
IT support, customer service, data management and digital operations.
OUR COMMITMENT
Compliance is not just a requirement — it is a pathway to long-term success and global competitiveness.
Green Catalyst
Environmental Consultancy
GC
LET’S WORK TOGETHER
GET CONSULTATIONLet's Start Your Compliance Journey
Tell us about your environmental, ETP, audit, sustainability, social-compliance or training needs.