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.

    Tessella_Hero_v2_1080p - new logo


    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