Our Story

Our story of pride and anticipation


Trissential was founded in 2003 to offer a third alternative in consulting – one that bridges the gap between large system integrators and local staffing firms.

We started in Minnesota and expanded across the Midwest, and today we help organizations around the world drive meaningful improvement and achieve measurable business nalue. While much has changed since our founding, our commitment to improving business and enriching lives remains at the heart of everything we do.

Hear from Founder & CEO Keith Korsi as he shares the story behind Trissential, the power of improvement, and the principles that continue to guide our growth.

  • 2021

    Trissential goes global

    Working with Expleo, Trissential is taking our capabilities to the world

  • 2019

    Parent company launches under new brand

    SQS & Assystem Technologies becomes Expleo - Trissential is an Expleo Company

  • 2018

    Acquisition by Assystem

    Assystem Technologies, leading international engineering organization, acquires SQS

  • 2017

    Rapid acceptance

    Quality Assurance becomes one of Trissential’s strongest capabilities

  • 2016

    QA & ET

    Quality Assurance & Enterprise Transformation practices readily accepted by the market

  • 2015

    Acquisition by SQS

    SQS, the leading Quality specialist for digital business, acquires Trissential

  • 2014

    Third office

    Trissential expands its Midwest presence with an office in Chicago

  • 2011

    First anchor account

    Client whose partnership with Trissential exceeds $2M in revenue

  • 2007

    100th Essentialist™

    Trissential welcomes our 100th team member

  • 2005

    Second office

    Trissential expands to Milwaukee

  • 2004

    Growth in Minnesota

    Trissential hires Jim Mohs - first full-time sales person to support Minnesota office

  • 2003

    Founded

    Trissential created by Keith Korsi and Mike Vinje. Nine months later, the first clients are signed and first Essentialists™ are hired to Minneapolis office

  • 2002

    The idea

    The consulting industry needed another option – “a one stop shop” different from large SIs and local staffing firms