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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.

    • 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.

    • Commitment to Quality and Timely Delivery

      Clients report that 4soft consistently delivers high-quality work on time, with few bugs and minimal need for revisions. This commitment to quality reinforces their reputation as a reliable partner.

    • Cultural and Value Alignment with Clients

      4soft's alignment with client values and culture is frequently mentioned as a positive factor in choosing them as a partner, indicating strong relational dynamics and mutual understanding.

    • High Technical Competence

      4soft is recognized for its technical prowess across various technologies, including Node.js, TypeScript, React, and machine learning. This competence allows them to tackle a wide range of projects from software development to complex blockchain solutions.

    4soft Reviews

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    IoT & Blockchain for Biopharma Manufacturing Company

    • Custom Software Development IoT Development
    • $200,000 to $999,999
    • Feb. - July 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Everything was precise and clear from the start to the end of the project."

    Mar 25, 2021
    Head of Growth, A4BEE LLC
    Anonymous
    Verified
    • Other industries
    • New York City, New York
    • 11-50 Employees
    • Online Review
    • Verified

    4soft was hired to develop a complex IoT and blockchain project for the end client. The team created a custom cloud integration system to manage services and enhance the solution with a blockchain ledger.

    Custom Software Development for Software Developers

    • Custom Software Development
    • $10,000 to $49,999
    • July - Nov. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They come out with initiative and ideas for changes and improvements to the system."

    Jan 20, 2021
    CEO, Thaumatec Tech Group
    Anonymous
    Verified
    • Other industries
    • Wroclaw, Poland
    • 51-200 Employees
    • Online Review
    • Verified

    A software development company needed extra resources to deliver the desktop application for one of their projects with a strict deadline. They partnered with 4soft to deliver the high-quality code they need.

    Blockchain Solution for Biotech Company

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

    "They simply get the job done."

    Dec 30, 2020
    Founder, Bio Time Health, Inc.
    Anonymous
    Verified
    • Other industries
    • Palo Alto, California
    • 1-10 Employees
    • Online Review
    • Verified

    4soft provided a blockchain solution for a biotech company. The technologies used were Solidity, Ethereum, React, Java. The goal was to improve the efficiency of supply chain management.

    R&D Chatbot Algorithms for Computer Software Company

    • Custom Software Development
    • $50,000 to $199,999
    • Aug. 2019 - Dec. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    4.5

    "We felt that we understand each other really well."

    Dec 28, 2020
    COO, IAMBOT Inc.
    Anonymous
    Verified
    • Other industries
    • Santa Clara, California
    • 11-50 Employees
    • Online Review
    • Verified

    4soft provided chatbot algorithm research and development for a computer software company. They handled testing for sentence building and synonymization. The technologies used were Python and Streamlit.

    Custom Software Development for Multilevel Marketing Company

    • Custom Software Development
    • $10,000 to $49,999
    • Jan. - Mar. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They are always looking for opportunities to use some new technological tricks and improve the product."

    Dec 22, 2020
    CEO, Multilevel Marketing Company
    Anonymous
    Verified
    • Advertising & marketing
    • Karvina, Czech Republic
    • 1-10 Employees
    • Online Review
    • Verified

    A multilevel marketing company wanted to customize the MLM software of their business. They hired 4soft to become their partner in the project.

    Hyperledger Extension Dev for Digital Agency's Client

    • Custom Software Development Other IT Consulting and SI
    • $10,000 to $49,999
    • Sep. - Oct. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "No splitting hairs, they simply knew what they were doing and kept us updated."

    Dec 18, 2020
    Co-founder, Applover
    Jan Kamiński
    Verified
    • Information technology
    • Warsaw, Poland
    • 51-200 Employees
    • Online Review
    • Verified

    4soft developed the custom DLT ledger component in a solution that a digital agency was developing for their client.They used Hyperledger technology to build the ledger that was to store financial data. 

    Blockchain Development for AI Solutions Company

    • Custom Software Development
    • $10,000 to $49,999
    • July - Sep. 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The communication was very good, and the team was proactive and positive."

    Aug 3, 2020
    CEO, Alphamoon
    Michał Staśkiewicz
    Verified
    • Information technology
    • Wroclaw, Poland
    • 11-50 Employees
    • Online Review
    • Verified

    4soft developed custom software for an AI solutions company. The team built a blockchain ledger to store the documentation data provided by the client's AI-powered platform

    Blockchain Dev for Software Development Company

    • Custom Software Development
    • $50,000 to $199,999
    • June - Dec. 2019
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "It was clear they were well prepared, organized, and skilled."

    Apr 17, 2020
    COO, Software Company
    Dennis Wohlfarth
    Verified
    • Other industries
    • Zuerich, Switzerland
    • 11-50 Employees
    • Phone Interview
    • Verified

    Facing a need for blockchain development support, a software company hired 4soft (formerly Look4App). The team worked alongside internal developers with a predetermined set of requirements.

    Software Development Support for Data Solutions Developer

    • Custom Software Development
    • $200,000 to $999,999
    • Mar. 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.0
    Willing to Refer
    5.0

    “We’ve been really happy, which is why we look forward to continuing our work with them.”

    Jan 21, 2020
    Managing Principal, Data Solutions Developer
    Anonymous
    Verified
    • Other industries
    • Los Angeles, California
    • 11-50 Employees
    • Phone Interview
    • Verified

    4soft (formerly Look4App) provides development support to a data solutions developer. They’ve augmented the internal team, offering additional resources to build user-facing apps. They’ve also fully taken on two projects.

    UI/UX Design for Mobile Banking App

    • Custom Software Development
    • $10,000 to $49,999
    • Jan. 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They helped us deliver the project for a major client, which builds our image as a trusted brand."

    Jul 25, 2019
    Project Owner, Predica
    Maria Tytkowska
    Verified
    • Financial services
    • Warsaw, Poland
    • 51-200 Employees
    • Online Review
    • Verified

    4soft (formerly Look4App) led UI/UX design for a mobile banking app. They created wireframes, visual design, and interactive prototypes to aggregate multiple bank accounts and other financial information into one app.

    Showing 21-30 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

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    Lukasz Kujawa

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