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We create custom web and mobile solutions.

Mainsoft is a professional software development service provider offering a variety of IT services and working with customers globally.

We help clients to establish and operate dedicated development teams as well.

We serve FinTech, HealtCare, EdTech, E-commerce and Retail companies and startups.

Up to date, we have developed more than 100 web projects and tons of mobile apps.

  • Min project size
    $50,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Warszawa, Poland
  • Year founded
    Founded 2010
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Polish

9 Timezones that we service

EET
Eastern European Time (EET)
CET
Central European Time (CET)
IDT
Israel Daylight Time (IDT)
PST
Pacific Standard Time (PST)
ACT
Australia Central Time (ACT)
AET
Australia Eastern Time (AET)
CNT
Canada Newfoundland Time (CNT)
CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)

1 Locations

  • Warszawa , Poland

No have been added yet...

    Pricing Snapshot

    Min. project size $50,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.7 /5

    What Clients Have Said

    Mainsoft offers good value for cost, fitting client budgets well. Projects typically involve 2-5 employees, with costs ranging from $10,000 to $20,000. Clients appreciate timely delivery, high quality, and responsive management, indicating strong overall pricing satisfaction.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 9 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    Mainsoft Review Insights

    Overall Review Rating

    5.0
    • Quality 5.0
    • Schedule 5.0
    • Cost 4.7
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Cultural and Value Alignment with Clients

      Clients often choose Mainsoft due to a strong cultural fit and aligned values, which facilitates smooth collaboration and mutual understanding, enhancing project success.

    • Areas for Improvement in Documentation

      While Mainsoft delivers high-quality work, some clients suggest improvements in documentation practices to further enhance project transparency and client understanding.

    • High Client Satisfaction and Quality Deliverables

      Mainsoft's deliverables are consistently high quality, leading to high client satisfaction rates, as seen in feedback from various sectors, including financial services and digital agencies.

    • Proficient in Custom Software Development

      Multiple clients praised Mainsoft for their ability to deliver tailored software solutions across various industries, including fintech, IT services, and climate data platforms, highlighting their technical expertise and adaptability.

    • Effective Communication and Responsiveness

      Mainsoft is recognized for their open and effective communication, maintaining transparency with direct access to developers and quick response times, enhancing client relationships and project outcomes.

    • Proactive in Suggesting Improvements

      Mainsoft's team is proactive in recommending improvements, especially in technical projects, which clients find valuable for enhancing the quality and efficiency of their solutions.

    Mainsoft Reviews

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    Services
    Project cost

    Web Development for Digital Studio

    • IT Staff Augmentation Web Development
    • $50,000 to $199,999
    • Sep. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We've been impressed by the quality of service and responsiveness of the staff."

    Feb 20, 2024
    Sales Director, WASSA
    Julien Moulin
    Verified
    • Other industries
    • Paris, France
    • 51-200 Employees
    • Online Review
    • Verified

    Mainsoft has developed a website for a digital studio. The team works on the front- and backend of an international gaming platform.

    Android App Dev for Dairy & Ice Cream Producer

    • Application Testing Mobile App Development
    • Confidential
    • Nov. 2021 - Nov. 2023
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0
    "They demonstrated unwavering commitment and support, ensuring the project’s long-term success."
    Jan 19, 2024
    Team Leader, Food Union
    Anonymous
    Verified
    • Other industries
    • Riga, Latvia
    • 1,001-5,000 Employees
    • Online Review
    • Verified

    Mainsoft developed an Android app for a dairy and ice cream producer. They implemented user authentication, enabled QR code scanning, and integrated the app into the client's existing server infrastructure.

    IT Staff Augmentation for Web App Dev Company

    • Custom Software Development IT Staff Augmentation
    • Confidential
    • May 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0
    "Mainsoft is focused on providing highly skilled and solutions-oriented development services."
    Jan 15, 2024
    Head of Delivery, Kodality
    Maksim Žukov
    Verified
    • Information technology
    • Estonia
    • 11-50 Employees
    • Online Review
    • Verified

    Mainsoft provides IT staff augmentation for a web app development company. They specifically provide engineers for Java and Angular development support.

    DevOps Managed Services for Social Casino

    • DevOps Managed Services
    • Confidential
    • Feb. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0
    "They met our standards."
    Nov 14, 2023
    Manager, Whow Games
    Anonymous
    • Gaming
    • Hamburg, Germany
    • 51-200 Employees
    • Online Review

    Mainsoft provides DevOps managed services for a social casino. The team handles DevOps, frontend and backend development, feature creation, and maintenance.

    Custom Software Development for Web3 Solutions Co

    • Custom Software Development Web Development
    • Confidential
    • Jan. 2021 - Oct. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0
    "They had high-quality developers.''
    Nov 13, 2023
    Project Manager, Cryptix Labs GmbH
    David Castro
    • Other industries
    • Vienna, Austria
    • 51-200 Employees
    • Online Review

    A web3 solutions company hired Mainsoft for custom software development. The client created the frontend of three .NET financial web applications, including testing automation.

    Custom Software & Web Dev for Financial Services Company

    • Custom Software Development Web Development
    • Confidential
    • Feb. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "We're impressed with their good interview processes for their developers."

    Oct 23, 2023
    Team Manager, Free Laskutus
    Anonymous
    Verified
    • Financial services
    • Helsinki, Finland
    • 11-50 Employees
    • Online Review
    • Verified

    Mainsoft provides software and web development support for a financial services company.

    Mobile App Dev for Computer Software Company

    • Mobile App Development
    • $10,000 to $49,999
    • Jan. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The Mainsoft team always met the deadlines. Everything was done with high quality."

    Jul 24, 2020
    CTO, Computer Software Company
    Jan Morawiecki
    Verified
    • Other industries
    • Gdansk, Poland
    • 11-50 Employees
    • Online Review
    • Verified

    Mainsoft developed three mobile applications for a computer software company that can be used for Android and iOS. Those applications involved the development of core, DNS server, billing, and user accounts.

    Showing 11-17 of 17 Reviews

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    14
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    October 22, 2025

    Business Entity

    Business Entity Name Mainsoft Sp. z o.o.
    Source Central Statistical Office of Poland
    Jurisdiction of Formation Poland
    Date of Formation March 10, 2021
    Status Active
    Last Updated December 26, 2024
    ID 0000886423

    Credit Report Results

    International Credit Risk Assessment Moderate Risk
    Source Creditsafe
    Last Updated December 26, 2024
    Learn More About The Clutch Verification Process

    Locations (1)

    ul. Szpitalna 8 WarszawaPoland 00-031

    50 - 75

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