Tetra Tech is a leading, global consulting firm providing practical and sustainable international development services.

We have more than 40 years of development experience and use an integrated approach focused on empowering local communities and leveraging private investment to create a safer, more prosperous world for all.

Tetra Tech’s international development service offerings have expanded over time in response to its client needs, and we offer a comprehensive suite of integrated services in 13 key practice areas.

Our people are passionate about improving lives by applying their technical expertise and experience to create practical, sustainable, and environmentally responsible development solutions. We serve various development clients, including government agencies in the United States, the United Kingdom, and Australia as well as multilateral development banks and the private sector.

We are part of the larger Tetra Tech family—a leading provider of global consulting and engineering services. Tetra Tech supports government and commercial clients by providing innovative solutions focused on water, environment, infrastructure, resource management, energy, and international development. With more than 17,000 associates worldwide, Tetra Tech's capabilities span the entire project life cycle.

International Development

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