About US

Diligeny Environmental Consultancy Limited (DECL) is a registered Limited Company under the company’s act 2015. We are registered to undertake Environmental Consultancy with specialization in Environmental Social Impact Assessment (ESIA) and Environmental Audit Consultancy (EA).

Premier Environmental Consultancy Firm

As one of the leading environmental consultancy firm in kenya, DECL helps you to adopt an environment-centric approach in your project to ensure all project activities and processes comply with environmental requirements at all stages. ​

DECL Mission


To promote sustainable development by providing quality environmental consultancy services.

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Provide our clients with the best environmental consultancy services that meet their developmental needs.

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Core Values

At DECL, we value integrity, trust, loyalty, Commitment, Openness and Respect to your clients and employees.

We Adopt An Environmental Approach

We have helped dozens of clients integrate an environmental approach in their projects.


Our History

Diligent Environmental Consultancy Limited (DECL) was established in 2016 as an environmental consultancy firm with the goal of providing effective solutions to organizations or individuals looking to start projects that could pose environmental challenges. Our focus has been to help them ensure their projects comply with environmental policies set by NEMA.

Our offices are based in Nairobi, Kenya which serves as the coordinating space for development and deployment of environmental solutions for our clients. We are proud to have been involved in major projects across the country through our core services (environmental audit and environmental impact assessment).  

Why Choose Us

There is more than just one reason why you should choose DECL for your project.

Tailored Solutions

Our solutions are tailored to meet our clients’ needs with due diligence and strict adherence to Environmental Laws.

Creative Approach

We provide Creative approaches to the clients’ special needs in order to find unique and tailored Environmental solutions.


We uphold the spirit of team work and maintenance of quality of services provided by a highly motivated Environmental experts.