Tetra Tech

Tetra Tech’s international development service offerings have expanded over time in response to our clients’ needs. We offer a comprehensive suite of integrated services in 13 key practice areas.

Our people are passionate about applying their technical expertise and experience to create practical, effective, and sustainable development solutions. We serve various development clients, including government agencies in the United States, the United Kingdom, Europe, and Australia as well as multilateral development banks and the private sector. Learn more about the work of our teams based in the United Kingdom and Europe, and our teams in the Indo-Pacific region.

We are part of the larger Tetra Tech family—a leading provider of global consulting and engineering services. Tetra Tech is a leading, global provider of high-end consulting and engineering services. We are 30,000 employees dedicated to solving water, environment, sustainable infrastructure, renewable energy, and international development challenges for our clients and communities.