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Experience boutique-quality software delivery.

300.codes is one of the fastest-growing 🚀 software design & development agency in Poland. We design interfaces that engage users and ignite your business growth. We develop apps that seamlessly integrate top-notch design, enabling your business to achieve remarkable sales results.

We believe that when working with technology, it's important to stay in touch with people. This drives us to offer boutique-quality software delivery focused on close personal interactions.

What we can do for you?

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Warszawa, Poland
  • Year founded
    Founded 2018

2 Locations

  • Warszawa , Poland
  • Lublin , Poland

No have been added yet...

    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.7 /5

    What Clients Have Said

    300.codes is noted for offering good value for cost, with clients emphasizing budget fit and high-quality deliverables. Project costs were not detailed, but they consistently delivered on time and showcased adaptability and responsiveness, making them a trusted partner across various projects.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 15 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    Highly Rated Similar Providers

    300.codes Review Insights

    Overall Review Rating

    5.0
    • Quality 4.9
    • Schedule 4.9
    • Cost 4.7
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Successful SEO and Performance Enhancements

      300.codes has demonstrated proficiency in integrating SEO best practices and enhancing website performance. Clients report improved search engine rankings, reduced bounce rates, and increased user engagement as a result of their work.

    • Room for Improved Resource Management

      Some clients suggested that 300.codes could improve on resource allocation and availability management to better match team involvement with project needs, optimizing costs without compromising project quality.

    • Successful Project Outcomes and Measurable Results

      Clients frequently report successful project outcomes, such as increased user engagement, improved conversion rates, and enhanced operational efficiency. These results are attributed to 300.codes' strategic approach and execution.

    • Successful Integration Projects

      300.codes has successfully executed complex integration projects, such as combining Salesforce with other platforms, showcasing their capability in handling intricate technical challenges.

    • Innovative Problem-Solving and Technical Expertise

      The company is praised for its technical prowess, particularly in custom software development and problem-solving. Their ability to integrate new technologies like hybrid apps and real-time analytics showcases their innovative approach.

    • Positive Impact on Client Business Goals

      300.codes' work often leads to the achievement of strategic business goals, such as market expansion, process automation, and enhanced digital presence, reinforcing their value as a business partner.

    300.codes Reviews

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    SEO, Web UX/UI Redesign & Development for Financial Tech Co

    • Search Engine Optimization UX/UI Design Web Development
    • Confidential
    • Jan. 2024 - Feb. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "300.codes demonstrated exceptional collaboration and adaptability throughout the project."

    Feb 28, 2025
    Head of Marketing Data Analytics, Aasa Polska
    Anna Wiatr
    Verified
    • Financial services
    • Poland
    • 11-50 Employees
    • Online Review
    • Verified

    300.codes provided web design and development for a financial technology company. The team was responsible for the UX/UI design process, including information architecture, UI design, SEO integration, and QA.

    Gas Emmissions Calculator Design & Dev for European Bank

    • API Development Custom Software Development UX/UI Design
    • $50,000 to $199,999
    • Mar. - Sep. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0
    "The technical expertise and innovative problem-solving approach of 300.codes stood out."
    Nov 2, 2023
    Project Manager, BNP Paribas Polska S.A.
    Katarzyna Wielgosz
    Verified
    • Financial services
    • Warsaw, Poland
    • 5,001-10,000 Employees
    • Online Review
    • Verified

    300.codes designed and developed a custom gas emissions calculator for a European bank using Python and React. 300.codes was responsible for UI/UX design and integration of real-time data analytics.

    Mobile App Dev for Software Company

    • Mobile App Development
    • Confidential
    • Feb. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "We look forward to engaging with them for future endeavors."

    Aug 29, 2023
    Co-Founder, Kuula
    Bartek Drozdz
    Verified
    • Other industries
    • Los Angeles, California
    • 1-10 Employees
    • Online Review
    • Verified

    300.codes has maintained and enhanced a mobile app for a software company. The team has also cooperated with the client to design a POC for the app and to integrate it with their camera software system.

    UI/UX Design & Web Development for Outsourcing Solution

    • UX/UI Design Web Development
    • $10,000 to $49,999
    • Aug. - Nov. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They were proactive in addressing our concerns and always ensured that we were satisfied with the project’s direction."

    Jun 12, 2023
    CPO, Epinote
    Kacper Raszkiewicz
    Verified
    • Other industries
    • Warsaw, Poland
    • 11-50 Employees
    • Online Review
    • Verified

    300.codes designed and developed a website for an outsourcing solution company. The team created the site's UI/UX design and developed its technical aspects. 300.codes created a responsive and scalable site.

    Mobile App Dev & Design for Wood-Based Product Manufacturer

    • Mobile App Development Other Design
    • $50,000 to $199,999
    • June - Dec. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "The 300.codes team drew my attention to risks I hadn’t thought of."

    Jan 26, 2023
    OMC Manager, SWISS KRONO Group
    Maciej Karnicki Jr.
    Verified
    • Manufacturing
    • Luzern, Switzerland
    • 5,001-10,000 Employees
    • Online Review
    • Verified

    A wood-based product manufacturer hired 300.codes to design and develop a hybrid mobile app for iOS and Android. The team also performed a UX audit to identify problematic interface elements.

    Staff Augmentation & Site Dev for Professional Services Firm

    • IT Staff Augmentation UX/UI Design Web Development
    • $50,000 to $199,999
    • Sep. 2020 - Oct. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "When we were at crucial moments of the project, they showed adaptability and understanding."

    Oct 14, 2022
    Vice Director, Professional Services Firm
    Paweł Oleszczuk
    Verified
    • Business services
    • Warsaw, Poland
    • 5,001-10,000 Employees
    • Online Review
    • Verified

    300.codes augmented a professional services firm's development team to help them build an export promotion portal. They were responsible for the website's UI/UX design, development, and hosting infrastructure.

    Custom Software Dev for Wood-Based Material Manufacturer

    • Custom Software Development
    • $50,000 to $199,999
    • Oct. 2021 - Feb. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "Their way of managing the project was at a very high level."

    Aug 29, 2022
    E-Commerce Manager, SWISS KRONO GROUP
    Tomasz Gierat
    Verified
    • Manufacturing
    • Zary, Poland
    • 5,001-10,000 Employees
    • Online Review
    • Verified

    300.codes was hired to develop a web app for a wood-based material manufacturer to keep track of their operations, orders, and projects. They also provided wireframes and iterated several prototypes.

    UI/UX Design for Lingerie Brand

    • UX/UI Design
    • Confidential
    • July - Nov. 2021
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "The whole team very carefully listened to all of our needs."

    Jul 29, 2022
    E-Commerce Manager, Lingerie Brand
    Dorota Nieroda
    Verified
    • Other industries
    • Bielsko-Biala, Poland
    • 51-200 Employees
    • Online Review
    • Verified

    300.codes was hired by a lingerie brand to design the UI/UX of their e-commerce site. They started by defining the visual direction for the site's desktop version before pivoting to a mobile-first approach.

    E-Commerce Development for Premium Cosmetics Company

    • E-Commerce Development
    • $10,000 to $49,999
    • Sep. 2021 - Ongoing
    4.5
    Quality
    4.5
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "They're super oriented towards our business results."

    Jul 10, 2022
    Head of E-Commerce, Veoli Botanica
    Marcin Szychowski
    Verified
    • Other industries
    • Warsaw, Poland
    • 11-50 Employees
    • Online Review
    • Verified

    300.codes provided e-commerce development services for a cosmetics company. They've automated the client's online store and improved its UI/UX design.

    Admissions Portal Development for University

    • Custom Software Development
    • $200,000 to $999,999
    • Dec. 2018 - June 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I can assure you that their customer service is top-notch."

    Jun 14, 2022
    Admissions Office Manager, SWPS University
    Kamila Dryjańska
    Verified
    • Education
    • Warsaw, Poland
    • 1,001-5,000 Employees
    • Online Review
    • Verified

    A university hired 300.codes to build a modern and mobile-friendly admissions portal with integrated Salesforce. The team handled the implementation, maintenance, and further development of the site.

    Showing 1-10 of 20 Reviews

    Locations (2)

    Burakowska 5/7 WarszawaPoland 01-066

    31 - 40

    Contact 300.codes

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