About Us
We’re a highly collaborative and supportive team, coming together on every project to ensure our clients get the very best result.

Our Mission
Our mission is to become a leading environmental consultancy in the country by delivering high-quality services, ensuring long-term value for stakeholders, and building trust through integrity and excellence
Our Vision
Our vision is to be a leading environmental consultancy in Bangladesh, driving sustainable development through innovative, high-quality, and technology-based solutions. We aim to support industries in achieving environmental excellence while contributing to a cleaner, greener, and more sustainable future.
Our Team

Md. Mazharul Islam
Founder & CEO, Sustainable Management Ltd
Mr. Md. Mazharul Islam, PhD Fellow, is an accomplished professional in environmental management, chemical compliance, and wastewater treatment systems in Bangladesh. With over 13 years of experience across environmental, chemical, and waste management sectors, he brings strong technical expertise in biological, chemical, and biochemical operations of ETP and WTP systems. He has extensive knowledge of leading sustainability platforms and audit frameworks, including Worldly FEM 4.0, FSLM 1.7, FDM, RTIS, MCAP, CDP, BEPI, BVe3, CleanChain, Bhive, ZDHC, Detox, Gigaton, Supplier to Zero, Clean Water Management, Green to Wear (GTW), WaSaTex, BSCI, SEDEX, WRAP, C-TPAT, GOTS, OCS, RCS, and GRS. Mr. Islam also has significant experience in conducting and managing environmental assessments and audits, including energy, water, and waste audits, as well as Initial Environmental Examination (IEE), Environmental Impact Assessment (EIA), and Environmental Management Plan (EMP).

Dr. Md. Abunasar Miah
Advisor, Sustainable Management Ltd
Dr. Md. Abunasar Miah serves as an Advisor at Sustainable Management Ltd, bringing a wealth of knowledge, strategic insight, and extensive experience in environmental sustainability, resource management, and industrial compliance. Through his leadership and advisory support, Dr. Nasar continues to play a vital role in advancing sustainable industrial development and promoting responsible environmental stewardship in Bangladesh.

Tamanna Hayat
Director, Sustainable Management Ltd
Ms. Tamanna Hayat is an accomplished Human Resource responsible with strong expertise in strategic HR management, organizational development, and employee engagement. She brings a comprehensive understanding of modern human resource practices, aligning people management strategies with organizational goals to drive sustainable growth and performance.

Nazmul Hossain
Consultant, Sustainable Management Ltd
Mr. Nazmul Hossain is a SREDA Certified Energy Manager and CQI-IRCA Certified Lead Auditor (ISO 14001:2015 EMS), with strong expertise in environmental compliance, sustainability, and energy management. He has demonstrated professional experience across diverse industrial sectors, particularly in environmental management systems, chemical compliance, and sustainable operations. Throughout his career, he has been actively involved in ETP monitoring and optimization, Zero Discharge Plan development, environmental clearance certification (DoE), audit management, and stakeholder coordination. Additionally, he has practical expertise in EIA, EMP, ESIA preparation, industrial hygiene, occupational health & safety, and environmental monitoring (air, water, and noise). He is also skilled in conducting training sessions, internal audits, and implementing continuous improvement strategies for environmental and energy performance.

Hasnat Tauhid Hasan
Consultant, Sustainable Management Ltd
Mr. Hasnat Tauhid Hasan is a dedicated and results-driven consultant specializing in environmental sustainability, compliance management, and industrial best practices. He has hands-on experience in supporting organizations to meet national and international environmental standards, with a strong focus on improving operational efficiency and sustainability performance. His expertise includes environmental monitoring and assessment, ETP and STP performance evaluation, and implementation of Environmental Management Systems (EMS). He is proficient in conducting audits and assessments related to energy, water, waste management, and workplace environmental conditions such as air quality, noise, lighting, temperature, and humidity. Mr. Hasan is also experienced in working with various sustainability and compliance frameworks, assisting organizations in aligning with buyer requirements and global standards.
