Training Practice in numbers



5 000



B2B clients

4.67 / 5

average training rating




training rooms

5 years’

experience on the market

4.74 / 5

average trainer rating

Our training offer

ModernTester – e-learning platform created by testers for testers

Over 500 testers have already trusted us! Join them and choose from the widest range of courses on the market!

Upcoming trainings

Choose the right training for you

Why choose us


  • Internationally recognized accreditations
  • Acknowledged certificates
  • Highest-quality services and customer loyalty
  • High passing rate of conducted exams


  • Dedicated programs adjusted to the clients’ needs
  • Clients’ case studies discussed during trainings


  • Trainers’ practical experience
  • Trainers engaged in Sii clients’ projects

Complementary services

  • Trainings complement Sii’s broad offer of IT products and services

Find out how our trainings helped clients like you

Our case studies speak for themselves

Browse All

Contact our expert with questions about any of our trainings

Agnieszka Rzeczkowska

Training Practice Manager


Agnieszka Rzeczkowska

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ITIL® and PRINCE2® are registered trademarks of AXELOS Limited, used under permission of AXELOS Limited. All rights reserved.
AgilePM® is a registered trademark of Agile Business Consortium Limited.
All AgilePM® Courses are offered by Sii, an Affiliate of Quint Wellington Redwood, an Accredited Training Organization of The APM Group Ltd.
Lean IT® Association is a registered trademark of the Lean IT Association LLC. All rights reserved. Sii is an Affiliate of Accredited Training Organization Quint Wellington Redwood.
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