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IT Service Providers

MentorMate

US digital engineering and consulting firm that has rebranded under the Tieto name

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About MentorMate

MentorMate is a custom software development and digital engineering firm that began in 2001 and is based in Minneapolis. It was acquired by Tieto in July 2023. A notice on the Tieto website says it completed the move to the Tieto brand on 8 June 2026.

What MentorMate offers

Custom software development — handling the full lifecycle, from user experience design to delivery.
Design and architecture — strategists, designers and architects working on digital products.
Engineering and quality assurance — developers and test engineers on client projects.
Team extension — added capacity for as long or as little as a client needs.
Consulting — advice that sits alongside design and engineering.

Who it works with

Its earlier profile highlights digital health and finance, and work across varied regulatory settings. The business combines onshore and offshore delivery.

Key facts

Founded: 2001
Offices: previously in Minnesota, Sweden and Bulgaria
Team: earlier described as more than 500 staff
Parent: Tieto, since 2023; clients now use Tieto's channels

Profile written by TrustList from the business's own published information, Oct 2026.

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