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Blockchain & End-to-End Software Development

Looking for a reliable partner who will provide not just software development but also peace of mind? You’re in the right place.

We are tech experts who guide you through the software development process. We don’t just write code. First, we listen to your needs. Second, we advise how to best approach them. Finally, we put your vision into reality by implementing accurate technical solutions. Contact us at q4soft.co to talk about your project or keep reading to learn more ⬇️

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Wrocław, Poland
  • Year founded
    Founded 2013
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Polish

38 Timezones that we service

GMT
Greenwich Mean Time (GMT)
ACT
Australia Central Time (ACT)
AGT
Argentina Standard Time (AGT)
AKST
Alaska Standard Time (AKST)
ART
(Arabic) Egypt Standard Time (ART)
AST
Arabia Standard Time (AST)
AET
Australia Eastern Time (AET)
BST
Bangladesh Standard Time (BST)
BET
Brazil Eastern Time (BET)
CAT
Central African Time (CAT)
CET
Central European Time (CET)
CNT
Canada Newfoundland Time (CNT)
COT
Colombia Time (COT)
CST
Central Standard Time (CST)
EAT
Eastern African Time (EAT)
EST
Eastern Standard Time (EST)
EET
Eastern European Time (EET)
CTT
China Taiwan Time (CTT)
GST
Gulf Standard Time (GST)
HST
Hawaii Standard Time (HST)
IDT
Israel Daylight Time (IDT)
IET
Indiana Eastern Standard Time (IET)
IST
India Standard Time (IST)
JST
Japan Standard Time (JST)
MET
Middle East Time (MET)
MIT
Midway Islands Time (MIT)
MST
Mountain Standard Time (MST)
NET
Near East Time (NET)
UTC
Universal Coordinated Time (UTC)
NST
New Zealand Standard Time (NST)
PNT
Phoenix Standard Time (PNT)
PRT
Puerto Rico and US Virgin Islands Time (PRT)
PST
Pacific Standard Time (PST)
SAST
South African Standard Time (SAST)
PLT
Pakistan Lahore Time (PLT)
SGT
Singapore Standard Time (SGT)
SST
Solomon Standard Time (SST)
VST
Vietnam Standard Time (VST)

1 Locations

  • Wrocław , Poland

No have been added yet...

    Pricing Snapshot

    Min. project size $10,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.8 /5

    What Clients Have Said

    4soft provides competitive pricing and solid value, with clients noting good fit for budgets. Specific project costs range from $10,000 to over $500,000. Clients appreciate timely delivery and effective communication, indicating overall satisfaction with cost-to-value ratio.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 47 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    4soft Review Insights

    Overall Review Rating

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

    Top Mentions

    Review Highlights

    • Positive Client Feedback and Repeat Business

      4soft's ability to meet client expectations and deliver successful projects has resulted in positive feedback and repeat business from satisfied clients. This indicates a strong track record of client satisfaction.

    • Lack of Improvement Areas Noted

      Few clients identified areas for improvement, suggesting that 4soft's services are well-aligned with client expectations. This reflects their effectiveness in delivering projects to client satisfaction.

    • Seamless Collaboration and Communication

      4soft maintains open lines of communication, ensuring clients are kept informed and involved throughout the project. This transparency fosters trust and collaboration, leading to successful project deliveries.

    • Successful Project Outcomes and Client Satisfaction

      Many clients report successful project outcomes, including improved product performance, increased user engagement, and enhanced operational efficiency, which contribute to overall client satisfaction.

    • Client-Centric Approach and Engagement

      4soft's client-centric approach is evident in their willingness to engage with clients, understand their business needs, and deliver solutions that align with client goals and objectives.

    4soft Reviews

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    Zero-Knowledge Proof Authorization Dev for Software Company

    • Blockchain
    • $50,000 to $199,999
    • Nov. 2022 - June 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Our experience with 4soft was overwhelmingly positive."

    Jun 12, 2023
    Co-Founder, Software Company
    Anonymous
    Verified
    • Other industries
    • Poland
    • 51-200 Employees
    • Online Review
    • Verified

    A software company hired 4soft to develop and integrate an authorization service into a blockchain platform. The solution used zero-knowledge proofs and was expected to enhance the platform's security features.

    Mobile App for Carbon Footprint Management Platform

    • Custom Software Development
    • $200,000 to $999,999
    • Apr. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "From our point of view, the cooperation with 4soft went very smoothly, and we do not see areas for improvement."

    Feb 7, 2023
    CTO & Product Owner, Terra sp. z o.o.
    Anonymous
    Verified
    • Other industries
    • Gdansk, Poland
    • 11-50 Employees
    • Online Review
    • Verified

    4soft developed a mobile app for a carbon footprint management platform. The app was expected to track users' movements in the background and calculate how much CO2 a given user has saved.

    Custom Software Dev for Video Streaming Platform

    • Custom Software Development
    • Confidential
    • Oct. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They've been skillful, proficient, and good communicators throughout the workflow."

    Jul 22, 2022
    Contracted Head of Product, JSgenesis
    Dmitry Meltsov
    Verified
    • Other industries
    • Norway
    • 1-10 Employees
    • Online Review
    • Verified

    4soft has developed custom software for a video streaming platform. They've taken an existing codebase left unfinished and unreleased and created two frontend applications using various technologies.

    Platform Dev For Community-Driven Blockchain Accelerator

    • Custom Software Development
    • $200,000 to $999,999
    • Sep. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "A team of specialists with years of experience and brilliant business acumen is rare to come across."

    Apr 11, 2022
    CEO, Colony Lab
    Anonymous
    Verified
    • Financial services
    • Victoria, Seychelles
    • 11-50 Employees
    • Online Review
    • Verified

    4soft has been developing a platform for a community-driven Avalanche ecosystem accelerator to launch. The team is currently working on the platform's automated on-chain investment process for the platform.

    Staking Application Dev for DeFi Company

    • Custom Software Development
    • $200,000 to $999,999
    • Apr. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We are impressed with 4soft’s work pace and experience."

    Mar 11, 2022
    COO, Paribus
    Anonymous
    Verified
    • Financial services
    • Miami, Florida
    • 1-10 Employees
    • Online Review
    • Verified

    4soft is creating a staking app for a DeFi company. Their task includes creating a staking algorithm, handling frontend development, implementing custom features, applying third-party integrations, and more.

    Custom Software Dev for Software Development Company

    • Custom Software Development
    • $200,000 to $999,999
    • Apr. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "4Soft is highly skilled and experienced in blockchain technology, so they are always able to solve our problems."

    Mar 11, 2022
    Managing Partner, New Digital Street
    Anonymous
    Verified
    • Financial services
    • Warsaw, Poland
    • 51-200 Employees
    • Online Review
    • Verified

    4soft is developing a blockchain protocol for a software development company. Technologies used include Node.js, TypeScript, React, and Machine Learning.

    Custom Software Dev for Crypto Compliance Company

    • Custom Software Development
    • $200,000 to $999,999
    • Apr. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They have a vast knowledge and experience in the Blockchain area."

    Dec 2, 2021
    Director of Engineering, Elliptic
    Anonymous
    Verified
    • Financial services
    • United Kingdom
    • 51-200 Employees
    • Online Review
    • Verified

    4soft provides custom software development for a crypto compliance company. They are helping the client with several projects. Tech stack includes Node.js, TypeScript, React, and Machine Learning.

    Custom Software Dev for Telecom Manufacturing Company

    • Custom Software Development
    • $200,000 to $999,999
    • June 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "So far we are quite happy with the collaboration, 4soft is a very flexible and reliable partner."

    Oct 1, 2021
    R&D Manager, Gigaset
    Tomasz Konopka
    Verified
    • Telecommunications
    • Wroclaw, Poland
    • 501-1,000 Employees
    • Online Review
    • Verified

    4soft provides custom software development services for a telecommunications manufacturing company. They are responsible for the frontend development of the client's web application using Angular 10.

    Custom Software Dev for International IT Services Firm

    • Custom Software Development
    • $50,000 to $199,999
    • Dec. 2020 - Dec. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "It was a pleasure to work with 4soft."

    Aug 20, 2021
    Director of Retail Technology, Profectus Group
    Radek Gorski
    Verified
    • Retail
    • Melbourne, Australia
    • 51-200 Employees
    • Online Review
    • Verified

    4soft provided custom software development services for an international IT services firm. The team mainly worked on improving the UI of the company's outdated legacy system.

    Custom Software Development for Fintech Company

    • Custom Software Development
    • $200,000 to $999,999
    • Oct. 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "They have a broad knowledge when it comes to creating custom solutions."

    Jun 14, 2021
    CPO, Fintech Company
    Anonymous
    Verified
    • Other industries
    • New York City, New York
    • 11-50 Employees
    • Online Review
    • Verified

    A fintech company hired 4soft for custom software development. They’re building a platform by taking care of the front- and backend development to provide DeFi users a bundle of protection. 

    Showing 11-20 of 55 Reviews

    Our Story

    We are 4soft, a decade‑old blockchain and AI software house of 50+ engineers (17 seniors) delivering custom product development and team extension. Our cross‑disciplinary team builds secure decentralized systems, ML solutions and frontend/backend products; we’ve shipped 100+ projects, supported clients who raised $61M+, and earned top‑3 blockchain company recognition through agile, collaborative expertise and measurable client outcomes.

    Meet the Team

    Bartosz Robaszewski

    Bartosz RobaszewskiCEO

    Janusz Zoltański

    Janusz ZoltańskiCOO

    Izabela Karolczyk

    Izabela KarolczykHead of People

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

    Learn More
    Verified Client Reviews
    51
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    January 20, 2026

    Business Entity

    Business Entity Name 4soft S.A.
    Source Central Statistical Office of Poland
    Jurisdiction of Formation Poland
    Date of Formation June 26, 2020
    Status Active
    Last Updated June 27, 2025
    ID 0000831231

    Credit Report Results

    International Credit Risk Assessment Moderate Risk
    Source Creditsafe
    Last Updated June 27, 2025
    Learn More About The Clutch Verification Process

    Locations (1)

    Łaciarska 4 WrocławPoland 50-104

    76 - 100

    Contact 4soft

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    Lukasz Kujawa

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