What We Do

We transform businesses by connecting people and data to make smarter decisions faster. Our clients work with us to improve profitability, reduce costs, streamline operations, and out-innovate their competition. From the bottom of the sea to the furthest reaches of space, our systems are used by the world’s leading organizations to maximize the business value of data.

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About Us


Over 350 data science and AI experts provide the range of talents needed for successful digital initiatives.


US and EU offices provide the dedicated local resources valued by our clients alongside on-demand access to our unrivaled global talent pool.


Our approach to data science has continually refined over 40 years of work on 1000s of projects for 100s of clients across a range of complex domains and industries.


Our focus is on delivering business value and impact from AI and data science. Our culture, processes and people are all aligned to our mission.

Company Information

Tessella is part of the Altran Group

Tessella Ltd

Registered in England No. 01466429
VAT Registration No. GB 161 2247 39
Registered Office:
26 The Quadrant
Abingdon Science Park
Oxfordshire, OX14 3YS



Tessella Inc

A wholly owned subsidiary of Tessella Ltd
Incorporated in Delaware August 27th 2002

Please address correspondence relating to Tessella Inc to our Boston office:
Tessella Inc
300 First Avenue, Suite 202
Needham, MA 02494

Registered Office & Agent
Corporation Trust Company
1209 Orange Street
New Castle County
Delaware 19801