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We are Power People!

Sii Poland is the leading technology consulting, AI-driven 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 4 offices abroad (Sweden, Ukraine, India, Malaysia). 

  • 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 offers competitive pricing and good value for cost, with clients noting favorable pricing structures that align with budgets. Projects are generally delivered on time, with high-quality results, showcasing an efficient cost-benefit ratio across various engagements.

This summary is based on verified Clutch reviews.

Most Common Project Size

< $49,999 based on 14 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

  • Positive Impact on Business Operations

    Sii Poland's work has led to significant improvements in clients' business operations, including increased efficiency, reduced manual workloads, and enhanced data management capabilities.

  • Proactive Approach to Challenges

    Sii Poland is recognized for their proactive approach to addressing challenges, ensuring that potential issues are identified and resolved before they impact project timelines or outcomes.

  • Room for Improvement in Innovation Suggestions

    While generally satisfied, one client suggested that Sii Poland could enhance their service by offering more proactive ideas for application outlook and leveraging past experiences to propose innovative solutions.

  • Successful Delivery of Complex Projects

    The company has successfully delivered complex projects across different domains, including CRM implementations, data platforms, and e-commerce solutions, contributing to client success and growth.

  • Flexibility and Adaptability

    Sii Poland is recognized for their flexibility and adaptability in handling project changes and evolving client requirements. Clients appreciate their ability to integrate seamlessly with existing teams and processes, facilitating effective collaboration.

  • Strong Customer Focus

    Clients commend Sii Poland for their customer-centric approach, focusing on delivering tangible business value and ensuring client satisfaction. Their ability to tailor solutions to meet specific business needs is frequently praised.

Sii Poland Reviews

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CRM Setup & Cybersecurity for Laboratory Diagnostics Co

  • CRM Consulting and SI Custom Software Development Cybersecurity
  • $50,000 to $199,999
  • Jan. - July 2025
5.0
Quality
5.0
Schedule
4.0
Cost
4.0
Willing to Refer
5.0

"Overall, our experience with Sii Poland was very positive, and the project was delivered successfully."

Sep 26, 2025
Organizational Dev Director, Laboratory Diagnostics Co
Anonymous
Verified
  • Other industries
  • Poznan, Poland
  • 51-200 Employees
  • Online Review
  • Verified

Sii Poland implemented Microsoft Dynamics CRM for a laboratory diagnostics distributor. The team configured and customized the system, migrated data, integrated existing platforms, and set up security.

Staff Aug & IT Apps Dev for Financial Institution

  • Custom Software Development IT Staff Augmentation Web Development
  • Automation Testing Integration Testing
  • Confidential
  • Jan. 2018 - Ongoing
4.5
Quality
4.5
Schedule
4.5
Cost
4.0
Willing to Refer
4.5

"The partnership between our teams is built on mutual trust."

Sep 26, 2025
Department Director, Arion banki
Anonymous
Verified
  • Financial services
  • Iceland
  • 501-1,000 Employees
  • Online Review
  • Verified

Sii Poland provides IT staff augmentation services for a financial institution. The team has developed and maintained various IT systems and applications for the client.

AI Development for Healthcare Company

  • AI Development Custom Software Development
  • Confidential
  • Jan. 2023 - Dec. 2024
5.0
Quality
4.5
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their structured planning, proactive monitoring, and clear reporting gave stakeholders confidence at every stage."

Sep 26, 2025
IT Manager, Healthcare Company
Anonymous
Verified
  • Other industries
  • Bad Homburg vor der Hoehe, Germany
  • 10,001+ Employees
  • Online Review
  • Verified

Sii Poland upgraded a healthcare firm's integrated risk management system with AI-driven functionality. They built an AI model for evaluating risk descriptions, integrated it into the platform, and ran tests.

IT Mgmt Solution Dev for Turbocharger Manufacturer

  • Custom Software Development Low/No Code Development UX/UI Design
  • Microsoft Power Apps
  • $200,000 to $999,999
  • July 2024 - Sep. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They showed a level of engagement that truly set them apart."

Sep 25, 2025
Team Lead & Program Manager, Accelleron Industries
Alberto Santiago
Verified
  • Manufacturing
  • Switzerland
  • 1,001-5,000 Employees
  • Online Review
  • Verified

Sii Poland developed an IT service management solution for a turbocharger manufacturer. The solution needed to manage 10 ITIL processes and have a scalable ticketing tool.

Cybersecurity Consulting for E-Commerce Company

  • Cybersecurity Other IT Consulting and SI
  • $50,000 to $199,999
  • Sep. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Overall, we were very satisfied."

Sep 24, 2025
Head of Software Engineering, Displate
Wojciech Wiktorowicz
Verified
  • eCommerce
  • Warsaw, Poland
  • 201-500 Employees
  • Online Review
  • Verified

Sii Poland provides ongoing cybersecurity consulting services to an e-commerce company. The team offers expert guidance on cybersecurity best practices and recommends security improvements.

Custom Software Development for Transportation Company

  • Custom Software Development
  • $200,000 to $999,999
  • Oct. 2016 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Sii Poland has a strong focus on delivering tangible business value, with a flexible and results-oriented approach."

Sep 23, 2025
Head of Department, Transportation
Anonymous
Verified
  • Other industries
  • Switzerland
  • 201-500 Employees
  • Online Review
  • Verified

Sii Poland provides custom software development services for a transportation company. The team is responsible for assisting the client with the development of different functionalities within their system.

Web Dev & Penetration Testing Staff Aug for FinTech Company

  • Application Testing IT Staff Augmentation Web Development
  • $1,000,000 to $9,999,999
  • July 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They're very easy to work with."

Sep 22, 2025
Director of Software Engineering, Infront AS
Elise Stasiuk
Verified
  • Financial services
  • Oslo, Norway
  • 201-500 Employees
  • Online Review
  • Verified

Sii Poland provides staff augmentation services for a fintech company. The team handles tasks related to the client's OMS product suite, including web development, penetration testing, and machine learning.

Engineering Services for Automotive Engineering Company

  • Engineering Product Design Sales Outsourcing
  • Confidential
  • May 2019 - Ongoing
4.5
Quality
4.0
Schedule
3.5
Cost
5.0
Willing to Refer
5.0

"They're proactive, transparent, and always looking for ways to improve the end result."

Sep 21, 2025
Head of Engineering, Automotive Engineering Company
Anonymous
Verified
  • Automotive
  • Germany
  • 201-500 Employees
  • Online Review
  • Verified

Sii Poland provides engineering services for an automotive engineering company. The team creates 3D designs and functional concepts of automatic stations and robotic cells and prepares 2D drawings.

Software Development, Design & QA for Sporting Goods Company

  • Application Testing Custom Software Development UX/UI Design
  • Angular Manual Testing Java
  • Confidential
  • Jan. 2020 - Ongoing
5.0
Quality
4.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The very good collaboration and acting as one team."

Sep 19, 2025
Teamhead IT PLM Program Management, Sporting Goods Company
Anonymous
Verified
  • Other industries
  • Herzogenaurach, Germany
  • 10,001+ Employees
  • Online Review
  • Verified

Sii Poland provides software development, design, QA, and release management services for a sporting goods company. The team gathers requirements, customizes and configures the PLM solution, and tests it.

Simulation Software Dev & Design for Automotive Tech Company

  • Application Testing Custom Software Development UX/UI Design
  • C++
  • Confidential
  • Apr. - Dec. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"What impressed us most was Sii Poland's genuine sense of ownership over the project."

Sep 17, 2025
Engineering Team Manager, APTIV Services Poland S.A.
Pawel Madej
Verified
  • Automotive
  • Krakow, Poland
  • 10,001+ Employees
  • Online Review
  • Verified

Sii Poland provided simulation software development and design services for an automotive technology company. The team built standardized interfaces, sensor modeling frameworks, and dynamics simulation systems.

Showing 11-20 of 44 Reviews

Locations (14)

Niepodleglosci 69 Av. Warszawa, Poland 02-626

1001 - 2000

Contact Sii Poland

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Displate

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Omnilogy

(1)
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(1)
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(1)
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Additional Connections

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