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Strategic Software Development Partner

Busy Rebel – Top AI & Data Consultancy & R&D Partner
 
Busy Rebel is a top AI & Data consultancy and R&D lab helping startups and enterprises solve complex challenges with innovation and precision. For over a decade, we’ve partnered with clients ranging from ambitious founders to Fortune 500 companies, delivering solutions that scale, perform, and last.
 
We’re not just an outsourcing vendor — we’re a long-term partner. Our team of 45+ exceptional professionals combines deep technical expertise with business insight, ensuring every project drives measurable results. With a 92% client retention rate, we’ve built our reputation on trust, transparency, and delivering impact.
 
Why Clients Choose Busy Rebel
  • $400M+ raised by clients we’ve supported
  • 10+ years of industry experience
  • 45+ senior-level experts with an average of 6+ years’ experience
  • Proven success serving both Fortune 500 companies and high-growth startups
At Busy Rebel, we blend consultancy and R&D to bring clients the best of both worlds: strategic guidance and hands-on delivery. Whether you need AI-driven innovation, data platform expertise, or scalable software solutions — we help you move from vision to execution.
 
Contact us at info@busyrebel.io or through our website to explore how we can help build your next success story. 
  • Min project size
    $100,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Kraków, Poland
  • Year founded
    Founded 2017

2 Locations

  • Kraków , Poland
  • Kyiv , Ukraine

Select Focus Area
Application Platforms
Amazon Application Development Framework
90%
Heroku
10%
Frameworks and CMS
Programming & Scripting
Ruby
30%
SQL
25%
Redux
15%
PHP
10%
Typescript
10%
Industries
Information technology
75%
Business services
25%
Clients
Midmarket ($10M - $1B)
55%
Small Business (<$10M)
25%
Enterprise (>$1B)
20%

Pricing Snapshot

Min. project size $100,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 4.7 /5

What Clients Have Said

Busy Rebel offers competitive pricing and strong value for cost, frequently noted for fitting client budgets. Projects typically involve 2-5 employees and range from custom software development to BI tools, with clients appreciating timely delivery and effective communication throughout the process.

This summary is based on verified Clutch reviews.

Most Common Project Size

$200,000 - $999,999 based on 6 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

Highly Rated Similar Providers

Busy Rebel Review Insights

Overall Review Rating

5.0
  • Quality 4.8
  • Schedule 4.8
  • Cost 4.7
  • Willing to Refer 4.9

Top Mentions

Review Highlights

  • High Client Satisfaction

    Clients express high satisfaction with Busy Rebel's work, citing improvements in efficiency, user adoption rates, and competitive advantages. The team's dedication to meeting and exceeding project goals is a recurring theme.

  • Areas for Improvement

    While generally excelling, one area mentioned for potential improvement is the initial project estimation phase. Setting more conservative timelines could better manage expectations, especially for cutting-edge technology projects.

  • Highly Experienced Team

    The quality and experience of Busy Rebel's team, particularly their senior engineers, are frequently mentioned. Clients value the expertise brought to their projects, ensuring robust and reliable solutions.

  • Comprehensive Support and Maintenance

    Busy Rebel provides extensive support and maintenance services post-deployment, offering peace of mind to clients. Their ongoing assistance ensures that any issues are quickly resolved, maintaining the smooth operation of implemented solutions.

  • Proficient in Custom Software Development

    Busy Rebel excels in delivering custom web and software applications. Clients from diverse industries appreciate their tailored solutions, which effectively address unique business challenges such as CRM implementation, data integration, and UX design.

  • Commitment to Client Success

    Busy Rebel's commitment to client success is evident in their proactive approach, responsiveness to feedback, and dedication to delivering value. Clients appreciate their focus on achieving project goals and driving business impact.

Busy Rebel Reviews

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CRM Implementation for Digital Tech Solutions Provider

  • Custom Software Development IT Staff Augmentation
  • $200,000 to $999,999
  • June - Nov. 2023
5.0
Quality
4.5
Schedule
4.5
Cost
4.5
Willing to Refer
5.0
"The engineers communicated very well and delivered the project on time."
Nov 14, 2023
CEO, Digital Tech Solutions Provider
Anonymous
Verified
  • Other industries
  • Los Angeles, California
  • 201-500 Employees
  • Online Review
  • Verified

Busy Rebel was hired by a digital tech solutions provider for their CRM implementation services. The team was responsible for platform analysis, Excel integration, and Microsoft Power BI system optimization.

Business Intelligence Tool Development for Software Dev Co

  • BI & Big Data Consulting & SI Custom Software Development IT Staff Augmentation
  • $200,000 to $999,999
  • May - Nov. 2023
5.0
Quality
4.5
Schedule
4.5
Cost
4.5
Willing to Refer
5.0
"The benefits of Busy Rebel's work were far-reaching."
Nov 13, 2023
Founder & CEO, Software Development Company
Anonymous
Verified
  • Information technology
  • Ahmedabad, India
  • 1,001-5,000 Employees
  • Online Review
  • Verified

Busy Rebel developed a custom business intelligence (BI) tool for a software development company. The client needed to replace their Microsoft Excel and Microsoft Power BI systems with a custom CRM platform.

Engineering Staff Augmentation for Student Engagement CRM

  • Application Management & Support Custom Software Development IT Staff Augmentation Web Development
  • Confidential
  • Jan. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Candidates are picked especially for our needs and our culture."

Mar 28, 2023
CTO, Element451
Petar Djordjevic
Verified
  • Other industries
  • Raleigh, North Carolina
  • 51-200 Employees
  • Online Review
  • Verified

Busy Rebel provides backend and data engineers to scale a student engagement CRM's internal team. The team builds new features and modules, builds data integration pipelines, and maintains the existing product.

UI/UX Design & Software Dev for Printing Equipment Retailer

  • Cloud Consulting & SI Custom Software Development IT Strategy Consulting IoT Development Mobile App Development Product Design UX/UI Design
  • Confidential
  • Jan. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
4.5

"Everything works perfectly."

Mar 17, 2023
CEO, Printing Equipment Retailer
Sascha A.
Verified
  • Other industries
  • Barcelona, Spain
  • 1-10 Employees
  • Online Review
  • Verified

A printing equipment company hired busy Rebel for their UI/UX design and custom software development services. Their goal is to improve sales and automate communication channels with clients.

Custom Software Development for Household Billing Company

  • Custom Software Development
  • $1,000,000 to $9,999,999
  • Jan. 2019 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"From my experience, it is hard to find a team who have both excellent technical and commercial skills."

Feb 7, 2023
Product Director, Billwinner.com (Renewal Diary Ltd)
Cormac Horan
Verified
  • Other industries
  • Dublin, Ireland
  • 1-10 Employees
  • Online Review
  • Verified

Busy Rebel built a custom app for a bill management company. They provided a full-cycle web & mobile development team. Technologies included Ruby on Rails, React JS, Kubernetes, S3, AWS, Redis, Nginx, RDS, etc.

Custom Infrastructure Development for Telecomms Company

  • Product Design
  • $10,000 to $49,999
  • June - Nov. 2023
5.0
Quality
4.5
Schedule
4.5
Cost
4.5
Willing to Refer
5.0
“Their foresight in anticipating our needs has been impressive.”
Nov 11, 2023
CEO, Tesltra
Vicki Brady
Verified
  • Telecommunications
  • Sydney, Australia
  • 10,001+ Employees
  • Online Review
  • Verified

A telecommunications firm hired Busy Rebel to help scale their data-processing abilities. The team worked on the client’s custom-built logging infrastructure, real-time analytic dashboards, and staff training. 

Budgeting Tool Development for EdTech Solutions Company

  • BI & Big Data Consulting & SI Custom Software Development Product Design
  • Amazon Application Development Framework Ruby on Rails React
  • $200,000 to $999,999
  • Jan. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"What stood out most about Busy Rebel was their combination of a visionary approach with pragmatic execution."
Nov 9, 2023
CEO, EdTech Solutions Company
Anonymous
Verified
  • Financial services
  • Canada
  • 51-200 Employees
  • Online Review
  • Verified

Busy Rebel has developed a budgeting tool for an edtech solutions company. The tool utilizes AI and machine learning to offer predictive financial insights, and the team has designed the system's architecture.

Software Design, Dev & Maintenance for Camp-Sharing Company

  • Custom Software Development Product Design
  • $10,000 to $49,999
  • Oct. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"The responsiveness, solid experience, and good communication are impressive." 

Apr 12, 2023
Owner, Camptravel.net
Torben Berner
Verified
  • Hospitality & leisure
  • Denmark
  • 1-10 Employees
  • Online Review
  • Verified

Busy Rebel maintains and upgrades a camp-sharing company's website. The team provides software design and development services for the client. 

Custom Software Dev for Clinical Software Firm

  • Cloud Consulting & SI Custom Software Development Product Design UX/UI Design
  • Confidential
  • Jan. 2020 - Jan. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Projects were managed and delivered accurately within the agreed timeframes."

Mar 10, 2023
CEO
Anonymous
Verified
  • Other industries
  • Serbia
  • 51-200 Employees
  • Online Review
  • Verified

A clinical software firm was looking to scale their business, so they engaged with Busy Rebel for their custom software development and UI/UX design.

Showing 1-9 of 9 Reviews

Locations (2)

30 Józefa Ignacego Kraszewskiego KrakówPoland 30-110

21 - 30

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