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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 4soft.co to talk about your project or keep reading to learn more ⬇️

  • Min project size
    $5,000+
  • 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

Service Lines
Select Focus Area
Blockchain Focus
Web3
30%
Industries
Financial services
65%
Gaming
15%
Arts, entertainment & music
5%
Energy & natural resources
5%
Retail
5%
Telecommunications
5%
Clients
Midmarket ($10M - $1B)
60%
Small Business (<$10M)
30%
Enterprise (>$1B)
10%
Certified in:
Blockchain

Pricing Snapshot

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

What Clients Have Said

4soft offers competitive pricing and good value for cost, as highlighted by clients. Several projects ranged from $10,000 to over $500,000. Clients appreciate their responsiveness, project management, and ability to deliver quality work on time, often within budget.

This summary is based on verified Clutch reviews.

Most Common Project Size

$50,000 - $199,999 based on 48 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

  • Commitment to Innovation and Problem-Solving

    4soft was noted for its commitment to innovation, continuously seeking new technologies and creative solutions to solve complex challenges. Clients appreciated their proactive approach and willingness to explore novel ideas to enhance project outcomes.

  • High-Quality Custom Software Development

    4soft's custom software development services received praise for quality and precision. Clients from various sectors, including healthcare, finance, and e-commerce, valued the tailored solutions that addressed specific business needs and challenges effectively.

  • Proficiency in Blockchain Solutions

    4soft is recognized for its deep expertise in blockchain technology, delivering innovative and reliable blockchain solutions across various projects. Clients appreciated their ability to integrate blockchain seamlessly into existing systems, enhancing security, transparency, and functionality.

  • Challenges with Initial Project Alignment

    Some clients noted initial challenges in aligning project requirements and technical approaches, particularly in specialized industries like healthcare. However, 4soft's willingness to engage in discussions and refine solutions helped overcome these hurdles.

  • Positive Client Feedback and Satisfaction

    Overall, clients expressed high satisfaction with 4soft's services, citing their professional approach, technical expertise, and ability to exceed expectations. The positive feedback often included recommendations for future collaborations.

  • Successful Delivery of MVPs and Prototypes

    4soft successfully delivered minimum viable products (MVPs) and prototypes for various clients, which were crucial in validating concepts and securing further investments. Clients appreciated their ability to translate ideas into tangible, functional solutions.

4soft Reviews

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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.

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.

Showing 31-40 of 56 Reviews

Our Story

We are 4soft, a decade‑old blockchain and AI software house of 50+ engineers (40 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

CEO & Co-founder of 4soft. Tech entrepreneur dedicated to driving business growth through innovation. Bart specializes in scaling software delivery, with a strong focus on enterprise blockchain, AI solutions, and Web3 transformation.

Janusz Zoltański

Janusz ZoltańskiCOO

Executive MBA graduate & COO at 4soft. Web3 strategist with deep expertise in enterprise blockchain, smart contracts, and DeFi. Janusz oversees custom software delivery, leveraging tech to solve complex business challenges.

Izabela Karolczyk

Izabela KarolczykHead of People

Head of People at 4soft. Izabela builds strong client partnerships, alignment, and growth. She excels in translating complex business needs into cutting-edge tech solutions, focusing on enterprise blockchain and AI.

What Sets Us Apart

We Don't Just Write Code – We Build Business Value

We combine technical expertise with a strong product mindset. We don’t just follow a rigid checklist; we analyze your business goals, challenge assumptions, and focus on delivering real ROI. We act as a true technology partner, ensuring every solution serves a strategic purpose.

Deep Tech Expertise for Complex Projects

From robust cloud architectures to advanced blockchain integrations, our engineers thrive on technical complexity. We maintain rigorous quality standards, clean code, and proactive security, ensuring your digital product is highly scalable, secure, and future-proof.

Predictability Through Full Transparency

Nearshoring shouldn't feel distant. We offer full visibility into our process, direct access to developers, and realistic, data-driven estimates. We take absolute ownership of our work, meaning we are as committed to your project's success as your own team.

Locations (1)

Łaciarska 4 WrocławPoland 50-104

76 - 100

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