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We are Power People!

Sii Poland is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We started as a one-person startup in 2006. Now, we have a team of 7 500+ experts, operating from 14 offices in Poland and 3 offices abroad (Sweden, Ukraine, India).

  • Min project size
    Undisclosed
  • Hourly rate
    Undisclosed
  • Employees
    1,000 - 9,999
  • Locations
    Warszawa, Poland
  • Year founded
    Founded 2006

14 Locations

  • Warszawa , Poland
  • Gdańsk , Poland
  • Wrocław , Poland
  • Poznań , Poland
  • Kraków , Poland
  • Łódź , Poland
  • Lublin , Poland
  • Katowice , Poland
  • Rzeszów , Poland
  • Piła , Poland
  • Bydgoszcz , Poland
  • Białystok , Poland
  • Szczecin , Poland
  • Toruń , Poland

No Focus Areas have been added yet…

Industries
Financial services
20%
Medical
15%
Retail
15%
Automotive
10%
Information technology
10%
Manufacturing
10%
Telecommunications
10%
Media
5%
Utilities
5%
Clients
Enterprise (>$1B)
75%
Midmarket ($10M - $1B)
20%
Small Business (<$10M)
5%
Certified in:
Custom Software Development Application Testing

Pricing Snapshot

Min. project size Undisclosed
Avg. hourly rate Undisclosed
Rating for cost 4.8 /5

What Clients Have Said

Sii Poland is noted for providing good value for cost, with pricing fitting client budgets across various projects. Clients frequently highlight their strong technical skills, flexibility, and effective project management, ensuring timely delivery and responsiveness to needs.

This summary is based on verified Clutch reviews.

Most Common Project Size

$50,000 - $199,999 based on 12 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

Highly Rated Similar Providers

Sii Poland Review Insights

Overall Review Rating

4.9
  • Quality 4.9
  • Schedule 4.9
  • Cost 4.8
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Impressive Talent Pool and Recruitment

    Sii Poland is recognized for their ability to attract and retain top talent, providing skilled professionals who quickly integrate into client teams and contribute effectively.

  • Room for Improvement in Proactive Initiative

    Some clients suggest that Sii Poland could enhance their proactive initiative by offering more suggestions and alternatives based on their experience, especially in design and strategic decisions.

  • High-Quality Deliverables and Cost Efficiency

    Clients consistently report receiving high-quality deliverables from Sii Poland, emphasizing the good value for cost and the company's ability to meet budget constraints while delivering excellent results.

  • Positive Feedback on CRM and E-commerce Solutions

    Sii Poland has successfully implemented CRM and e-commerce solutions, with clients praising the enhanced functionality, user-friendliness, and business impact these solutions have provided.

  • Collaborative and Client-Focused Approach

    Sii Poland is noted for their collaborative working style and client-focused approach. They integrate seamlessly with client teams, fostering mutual trust and adapting to client-specific needs and culture.

  • Strong Technical Expertise and Solutions

    Sii Poland is praised for their technical depth and ability to deliver high-quality, tailored solutions. Clients appreciate their expertise in various domains, from software development to data management and automation.

Sii Poland Reviews

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IT Managed Services for IT Services Company

  • Digital Engineering IT Managed Services Web Development
  • Azure Platform
  • Confidential
  • Jan. 2023 - July 2025
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"Their ability to stay agile while maintaining clear communication made them stand out."

Aug 9, 2025
Project Manager, IT Services
Anonymous
  • Other industries
  • London, England
  • 201-500 Employees
  • Online Review

Sii Poland provided IT services for an IT services company. The team worked on user authentication, IT asset lifecycle management, incident and change management, and third-party tool integration.

E-Commerce & Web Development for Apparel Company

  • E-Commerce Development Web Development
  • Windows server Kotlin MongoDB Operations & process improvement Other BI & analytics Business Process Management Consulting Business Transformation Consulting Change Management Consulting eCommerce Consulting Strategy Development Consulting Talent Consulting Google Cloud Cloud Server Migration Data engineering DevOps CI/CD Services DevOps Consulting Digital Transformation Magento Other ecommerce systems Adobe Experience Manager CMS NextJS NodeJS React Native Symfony VueJS GA4 consulting HTML5 IT Governance jquery Business Intelligence Mobile App Development Mobile Commerce Android App Development iPad iOS App Development iPhone iOS App Development Other mobile OS Managed Software Application & Solutions Disaster Recovery Hardware Help desk IT Budgeting Software Evaluation OPEN API Product Management Consulting Java JavaScript PHP Swift REST API SOAP API Release & Version Management Webhook API Flutter React
  • Confidential
  • Dec. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"This forward-thinking mindset contributes to the project's overall success."

Oct 4, 2023
Technical Project Manger, Modivo S.A.
Filip Sadowski
  • eCommerce
  • Zielona Gora, Poland
  • 1,001-5,000 Employees
  • Online Review

An apparel company has hired Sii Poland to restructure their e-commerce site and modernize their main website. This involves migrating the site from Magento 1 to Magento 2 and developing back-office features.

Showing 41-42 of 42 Reviews

Locations (14)

Niepodleglosci 69 Av. WarszawaPoland 02-626

1001 - 2000

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