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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

    • Industry-Specific Knowledge and Application

      4soft's ability to apply industry-specific knowledge to projects, particularly in areas like DeFi, blockchain, and financial services, enhances their ability to deliver tailored solutions that address unique client challenges.

    • Innovative and Forward-Thinking Solutions

      Clients value 4soft's innovative solutions and forward-thinking approach, which help in developing cutting-edge products and services that meet modern technological demands.

    • 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.

    • 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.

    • Proactive and Solution-Oriented Approach

      Clients appreciate 4soft's proactive attitude, with the team often going beyond the initial scope to suggest improvements and optimize solutions. This approach contributes to better project outcomes and client satisfaction.

    4soft Reviews

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    Blockchain Loyalty Dev for Consultant

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

    "4soft (formerly Look4App) impressed me with their attention to details, development skills, and comprehensive approach." 

    May 30, 2019
    CTO, Blockchain Consultant
    Anonymous
    Verified
    • Financial services
    • Bangkok, Thailand
    • 1-10 Employees
    • Online Review
    • Verified

    4soft (formerly Look4App) developed a Hyperledger solution for a blockchain-based loyalty service. After evaluating an existing development plan and identifying areas for improvement, they developed the full platform.  

    Custom Platform Dev for Blockchain Consultant

    • Custom Software Development
    • $10,000 to $49,999
    • Nov. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We always knew the status of our project and the communication was smooth and clear."

    Apr 26, 2019
    Self- Employed Consultant
    Anonymous
    Verified
    • Telecommunications
    • Bangkok, Thailand
    • 51-200 Employees
    • Online Review
    • Verified

    4soft (formerly Look4App) designed and developed a data storage platform for a third party. The platform processes ledger searching, data verification, and network status statistics.    

    Custom Development for Association Members Service Portal

    • Custom Software Development
    • $10,000 to $49,999
    • Dec. 2017 - Mar. 2019
    5.0
    Quality
    4.5
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    4.5

    "We appreciated their patience, flexibility, and professionalism."

    Apr 5, 2019
    General Director, Int Project Management Association Poland
    Marcin Opas
    Verified
    • Other industries
    • Warsaw, Poland
    • 1-10 Employees
    • Online Review
    • Verified

    4soft (formerly Look4App) developed a customized portal for communicating easily with members and project managers, storing data, and managing sales. Their work included design, testing, and implementation.

    Product Dev for Big Data and Machine Learning Network Firm

    • Custom Software Development
    • $200,000 to $999,999
    • Jan. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The team accurately assesses the risks and obstacles in each project and is open to suggested solutions."

    Feb 19, 2019
    COO, DxChain
    Anonymous
    Verified
    • Information technology
    • New York City, New York
    • 11-50 Employees
    • Phone Interview
    • Verified

    4soft (formerly Look4App) serves as a blockchain development partner to create distributed applications for third-party clients. Key projects include cryptocurrency wallets, UI/UX designs, and website frontends.

    Mobile App Dev for ERP Solutions Company

    • Mobile App Development
    • $50,000 to $199,999
    • Sep. 2017 - Feb. 2019
    4.0
    Quality
    4.0
    Schedule
    4.0
    Cost
    4.5
    Willing to Refer
    4.0

    “It wasn’t always easy, but they worked hard to make sure we successfully completed each task.”

    Feb 18, 2019
    Product Manager, wiko Bausoftware GmbH
    Anonymous
    Verified
    • Other industries
    • Freiburg, Germany
    • 11-50 Employees
    • Online Review
    • Verified

    Working from a prototype and a provided list of specifications, 4soft (formerly Look4App) developed mobile extensions of a core product for iOS, Android, and UWP devices. They also brainstormed new features and optimizations.

    Development for a Blockchain Company

    • Custom Software Development
    • $50,000 to $199,999
    • Aug. 2018 - Jan. 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "4soft (formerly Look4App) introduced our team to the development and ICO processes."

    Feb 12, 2019
    Employee, Renewable Energy Group
    Anonymous
    Verified
    • Energy & natural resources
    • Poland
    • 1-10 Employees
    • Phone Interview
    • Verified

    4soft (formerly Look4App) provided development work for a cryptocurrency company. The team built an ICO application, created a landing page, worked on marketing presentations, and helped with design and graphics.

    iOT development for Life Science Firm

    • IoT Development
    • $10,000 to $49,999
    • June - Nov. 2018
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    5.0

    “4soft (formerly Look4App) was key in moving forward with every step of the projects we worked on together.”

    Dec 12, 2018
    Principal Architect, Life Science Market Leader
    Anonymous
    Verified
    • Other industries
    • Warsaw, Poland
    • 5,001-10,000 Employees
    • Phone Interview
    • Verified

    4soft (formerly Look4App) provided React.js frontend and HTTPS and Java server-side development. They helped build prototypes for a lightweight data HTML5 UI device controller and a custom industrial IoT product.

     

    Blockchain Support for Independent Consultant

    • Custom Software Development
    • Confidential
    • Nov. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “4soft (formerly Look4App) takes a lot of personal responsibility for what they do, so they’re judicious in ensuring project success.”

    Oct 19, 2018
    Independent Consultant
    Anonymous
    Verified
    • Other industries
    • New York City, New York
    • 1-10 Employees
    • Phone Interview
    • Verified

    4soft (formerly Look4App) assists with numerous blockchain projects for third-party clients, helping with the discovery phase, composite designs, and implementation.

    Software Dev. Support for Amazon Tracking Platform

    • Custom Software Development
    • $200,000 to $999,999
    • May 2017 - Jan. 2018
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    “4soft (formerly Look4App) uses great strategic thinking to find out where our technology project needs to go.”

    May 10, 2018
    CEO, Software Firm
    Jonathan Tilley
    Verified
    • Information technology
    • Los Angeles, California
    • 1-10 Employees
    • Phone Interview
    • Verified

    4soft (formerly Look4App) helped a software company client design, develop, and launch a set of software tools for Amazon retail sellers. They delivered a proof-of-concept so the development project could move forward.

    Custom Web App. for Solar Firm

    • Web Development
    • $50,000 to $199,999
    • July 2017 - Jan. 2018
    5.0
    Quality
    4.5
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    "...[We] plan to work with 4soft (formerly Look4App) in the future based on the positive feedback we’ve received."

    Feb 16, 2018
    CEO, Solar Firm
    Anonymous
    Verified
    • Energy & natural resources
    • Poznan, Poland
    • 1-10 Employees
    • Phone Interview
    • Verified

    4soft (formerly Look4App) created a web application to help homeowners analyze the cost benefits of using solar panels over traditional energy. The solution scans photos from Google Maps to provide customized results.

    Showing 31-40 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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