Selleo Labs

🎯 Your Trusted Software Development Partner

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For over ten years Selleo has delivered professional services on more than 150+ software development projects for clients from Europe, the US, Canada, and Australia, designing and building a number of applications throughout a wide spectrum of business domains, industries, and technologies (Ruby on Rails, Elixir, NodeJS, ReactJS, React Native, EmberJS).

Extend your in-house team

Whenever you want to handle a new project, deliver essential features or need a staff with specialized skills or industry expertise, our full-stack developers help you to increase overall productivity. We work in collocated agile teams crafting web and mobile applications with an entrepreneurial sense of ownership.

Embrace tech stack complexity 

Our expert developers have not only the current capabilities you need but also the ability to build new ones rapidly. With the vast diversity of skills required and partnership with other specialized companies, we can deliver even the most technologically challenging software solutions.

Industry Expertise

Through the years we have gathered a broad spectrum of specialization in the development of custom SaaS and cloud-based business process management tools, digital dashboards, LMS and e-learning services, AdTech and marketing platformsdata analytics and processing solutions. We enable clients to efficiently optimize and innovate processes, products, and business ventures by developing single-page applications, designing microservices architecture and crafting web and mobile applications.

$25 - $49/hr
50 - 249
2007
Locations
Poland
Powstancow Slaskich 3, Bielsko-Biala, Slaskie 43-300

Focus Areas

Service Focus

25%
25%
20%
20%
10%
  • Software Development
  • Web Designing (UI/UX)
  • Web Development
  • E-commerce Development
  • DevOps

Client Focus

50%
50%
  • Medium Business
  • Small Business

Industry Focus

20%
10%
10%
10%
10%
10%
10%
10%
10%
  • Business Services
  • Advertising & Marketing
  • Education

Selleo Labs Clients & Portfolios

Dragon Sourcing
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Dragon Sourcing
  • Dragon Sourcing screenshot 1
$50001 to $100000
30 weeks
Business Services

Dragon Sourcing is a procurement services provider focused on delivering sustainable value and insights from emerging markets. It supports corporates in the effective acquisition of goods and services through a global sourcing process.

The company was founded in 2004 and now has offices in Asia, Europe and the Americas.

Percival
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Percival
  • Percival screenshot 1
$50001 to $100000
29 weeks
Other Industries

BBA Aviation is world’s leading provider of aviation support and aftermarket services dedicated to delivering exceptional, long-term, sustainable value.

One of the areas of support includes jet engine maintenance where the client has seen a potential for predicting the maintenance needs.

Gold Mine
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Gold Mine
  • Gold Mine screenshot 1
$50001 to $100000
20 weeks
Travel & Lifestyle

Our client – a Gold Mine Theme Park, which offers a wide selection of entertainment services both for an individual as well as institutional clients, needed a web solution which would facilitate their booking and invoicing processes.

MeritMoney
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MeritMoney
  • MeritMoney screenshot 1
Not Disclosed
10 weeks
Utilities

Selleo is a software development house with a flat management structure which always look for innovative ways to manage the company like exploring the self organizing teams concept.

We got inspired by the concept of Merit Money from Management 3.0 practices developed and popularised by Jurgen Appelo.

GrantNavigator
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GrantNavigator
  • GrantNavigator screenshot 1
$50001 to $100000
30 weeks
Business Services

American Funding Innovators, with more than 15 years in the business of grant search databases, is a US leader in helping organizations improve the management of grant funds and tracking results.

AFI is also a partner organization with the Grant Professionals Association (GPA).

HuCo Berlin
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HuCo Berlin
  • HuCo Berlin screenshot 1
$50001 to $100000
20 weeks
NGOs

The Humanitarian Congress Berlin is an international platform for exchanging information, experiences and ideas for humanitarian aid organizations.

As the event reached around 700 participants and speakers from around the world, the organizers decided to meet the needs of a growing number of participants and “mobilize” the event to enhance an overall experience for the stakeholders involved.

Neutopia
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Neutopia
  • Neutopia screenshot 1
$50001 to $100000
30 weeks
Education

Neutopia is a social publishing and e-learning platform which enables aggregation and sharing of resources focused on the different aspects of creativity, design, psychology and leadership.

The users can create playlists of their favourite educational materials organized into specific categories such as articles, books, events, courses, videos or websites.

Metreno
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Metreno
  • Metreno screenshot 1
$50001 to $100000
20 weeks
Business Services

Metreno AS is an innovative communication and HR consultancy from Trondheim, Norway.

The company delivers services and software solutions designed to meet demands and challenges of corporate HR departments and consultancies who deal with high-quality evaluations and psychometric tests.

SquadLocker
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SquadLocker
  • SquadLocker screenshot 1
$50001 to $100000
30 weeks
Retail

SquadLocker will outfit your team in 2 weeks or less!

Their web-based business integrates all the steps required to outfit a team in one application available online starting from design and ending on delivering the gear to each individual’s home.

Diamondmine
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Diamondmine
  • Diamondmine screenshot 1
Not Disclosed
10 weeks
Productivity

The Diamond Mine system was developed for the internal needs of our company where we provide teams of software developers to deliver projects or augment existing client teams.

In our daily operations, we worklog all the hours spent on clients projects delivering programming services. Those worklogs are a primary mean for settlements with clients thus rendering this one of crucial elements of our IT systems.

Place2book
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Place2book
  • Place2book screenshot 1
$50001 to $100000
20 weeks
Art, Entertainment & Music

We developed the single page application for Place2Book – a Danish online ticketing system provider where all organizers, professionals and private persons, can easily create events, receive subscriptions and sell tickets.

Northwood Advisors
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Northwood Advisors
  • Northwood Advisors screenshot 1
$50001 to $100000
20 weeks
Information Technology

Northwood Advisors are a consulting firm from Southern California with more than 15 years of experience in the provision of BI solutions. The company helps to bridge the worlds of business and IT as well as to unify the efforts of various departments behind a singular purpose.

For their advantage, we created PacTrac - a cloud-based web platform for companies operating in the construction industry.

Studentvikarie
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Studentvikarie
  • Studentvikarie screenshot 1
$50001 to $100000
52 weeks
Education

Humly (formely Studentvikarie) is a platform established in 2015 in Göteborg, Sweden developed for the purposes of delivering temporary job vacancies for students willing to practice their teaching skills.

The service allows students looking for a part-time job in education to browse through advertisements or create one of their own giving them the opportunity to decide how much of their time they are willing to work.

Simplaex
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Simplaex
  • Simplaex screenshot 1
$50001 to $100000
30 weeks
Information Technology

Simplaex is a Berlin-based company which offers an innovative alternative to the current digital advertising system.

Standing behind the world’s most advanced Artificial Intelligence-powered user classification technology, the company aligns the ROI interests of the demand and supply side providing data on consumer behavior.

Northpass
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Northpass
  • Northpass screenshot 1
$50001 to $100000
20 weeks
Education

Northpass (formerly SchoolKeep) is an innovative learning management system (LMS) that enables organizations to train employees, customers and channel partners.

The solution places the learner in the center of SaaS platform, resulting in a more effective and satisfying learning experiences.

9teams
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9teams
  • 9teams screenshot 1
$50001 to $100000
20 weeks
Productivity

Vtelligence BVBA is a Belgium based company specialising in “closing the gap between business and IT”.

This means a continuous search on how to achieve a relevant impact on business and bottom-line financial results. 9teams is a platform that makes IT executives and project managers more successful.

Catalyst
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Catalyst
  • Catalyst screenshot 1
$50001 to $100000
30 weeks
Healthcare & Medical

Our client Ascend is an expert in the health information technology world. Their systems for reporting, analytics and device interfaces are used by the top hospitals and health institutions in North America.

With over 20 years of experience, Ascend supports cardiovascular health using Information Technology and groundbreaking, seamlessly integrated intelligent solutions.

Alyne
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Alyne
  • Alyne screenshot 1
$50001 to $100000
30 weeks
Legal & Compliance

Alyne GmbH is a Munich based B2B RegTech company, which stands behind the next-generation Security, Governance and Risk Management as a Service Software.

The solution aids organisations of all industries in maturing their cyber security, compliance capabilities, risk management and helps to cost-effectively measure maturity without using messy spreadsheets.

trommsdorff + drĂĽner
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trommsdorff + drĂĽner
  • trommsdorff + drĂĽner screenshot 1
$50001 to $100000
100 weeks
Advertising & Marketing

trommsdorff + drüner innovation + marketing consultants GmbH is an international consultancy for the data-driven innovation and marketing (later on taken over by a bigger/major player in the industry space).

This Berlin-based company supports key players form leading industries with marketing performance management.

B4B
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B4B
  • B4B screenshot 1
$50001 to $100000
20 weeks
Financial & Payments

B4B Payments is a global B2B payments innovator headquartered in London, offering smart and flexible corporate payments and card solutions.

B4B’s solution combines a Mastercard® prepaid card with a powerful in-house proprietary management portal saving businesses time and money.

Breezeway
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Breezeway
  • Breezeway screenshot 1
$50001 to $100000
20 weeks
Hospitality

Breezeway is a Boston based company specialized in delivering property operations platform which helps property managers and owners coordinate cleaning and maintenance tasks, improving quality and ensuring the job gets done right.

Breezeway aims to create tools that will define the future of property and homeowners and the way they care for their properties.

Battleriff
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Battleriff
  • Battleriff screenshot 1
$50001 to $100000
30 weeks
Gaming

Battleriff is an online eSports service which enables players from around the globe to challenge real opponents in popular games such as HearthStone or MTG Arena.

As gaming and esports are one of the fastest growing online activities our client targets some of the 800 million active users.

North pass
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North pass
  • North pass screenshot 1
$50001 to $100000
20 weeks
Education

The NorthPass is an innovative learning management system (LMS) that enables organizations to train employees, customers and channel partners.

This SaaS platform is aimed to provide tools for the creation and distribution of training content and allows its users to build and scale branded training experiences. 

Selleo Labs Reviews

4.9 18 Reviews
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Jennifer McNeil, RDN, SNS

Exceptional Software Development by Selleo

Rating Breakdown

  • Quality
  • Schedule & Timing
  • Communication
  • Overall Rating

Project Detail

$50001 to $200000
Completed

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Review Summary

Throughout our collaboration with Selleo, their skills constantly impressed us. They perfectly handled the redesign of our system and equipped it with new functionalities. The team consists of exceptional software engineers, great communicators and fearless innovators. They are not afraid of feedback and quickly implement any changes needed. The team had always gone above and beyond to keep us up to date with the project's progress and we couldn’t be happier with the end result. We highly recommend Selleo as a software and business partner and look forward to continuing to work with them.

What was the project name that you have worked with Selleo Labs?

LunchAssist PRO Learning Management System

Describe your project in brief

Selleo helped us rebuild our LunchAssist PRO Learning Management System and landing pages/website for school nutrition. We had created a makeshift system with a template website builder, but it was not customized for our industry. Selleo worked with us to design and built a web application/software from the ground up that is tailor made to our specific industry needs, including: Aclearer interface, a knowledge library, custom quizzes, complex compliance reports, user permissions, and seamless user migration. Training video player that is accessible within a couple of clicks of logging in. It makes training convenient for the school nutrition professionals we serve. It's like Netflix for school nutrition! An interactive quiz functionality ensures accessibility for all staff and supports tracking for USDA compliance purposes. The modern design caters to users of all ages.

What is it about the company that you appreciate the most?

Responsiveness to feedback, frequent communication, innovative and skilled UX and UI design, high-quality code with very few bugs, and quick response rate when bug fixes were needed. Great project management and multiple checkpoints for customer care and attention.

What was it about the company that you didn't like which they should do better?

The only downside is the time zone differences, but that is a result of our global team (based in Australia and USA) working with the team at Selleo in Poland. They were great about working around our time zones, but there is only so much you can do between three continents.

Ludvig Sylvén

Task: Develop MVP. Outcome: MVP delivered on time with quality above expectiations

Rating Breakdown

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  • Schedule & Timing
  • Communication
  • Overall Rating

Project Detail

$0 to $10000

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Review Summary

ClickAula contacted Selleo as we needed a dedicated team of software engineers that could speed up the development of our MVP. Apart from shortening the time-to-market we also wanted to make some design changes and refactor some of the code. The Selleo specialists proved to be perfect for this job. They handled both the front-end and the back-end development and equipped our solution with new features and integrations. We were all impressed with their skills and knowledge as well as their cooperation as a team. I strongly recommend them as a trusted software house and business partners, and I look forward to continue working with this them!

What is it about the company that you appreciate the most?

Great communication

Phil Brown

A great addition to our existing development teams!

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From the beginning Selleo has been a very easy company to work with, they are easy to communicate with and the whole process of getting set up was simple.

They have been and continue to supply us with high quality engineers that allow us to scale our technology team as and when we need, whilst recruiting internally.

The engineers from Selleo have integrated well within our existing engineering teams and from very early on have been able to contribute to our codebase.

We would not hesitate to recommend them to others.
Ali McGinley

Strong Software Development Partner

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The collaboration with Selleo has been a great experience. They built, tested and deployed the code, always being on time while maintaining frequent and extensive communication. All in all, Selleo proved to be a reliable development partner with a great deal of expert knowledge. The quality of their work was definitely high and they were always eager to find solutions to the challenges that arose. I highly recommend them as a trusted software development house.
Brandon Sassounian

A+ Team & Service

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Over the duration of our collaboration, Selleo offered valuable opinions and proved to be very receptive to using our tools. We reached out to them since we were interested in their structure and high transparency. We are impressed by their amazing organization and technical skills. They also proved to have great leadership, detail-oriented workflow and the software they create is reliable. Together with their Ruby on Rails and React teams we have worked on a real estate application as well as IoT and smart home platforms. Worth adding is also the fact that during the recruitment process, Selleo presented us with detailed information on each developer. I highly recommend them as a skilled development partner and look to the future of our collaboration with great optimism.
Drazen Nikolic

Vue.js web development and UI/UX design

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Review Summary

Selleo has provided excellent development services to us. Their design team focused on UX audit of our existing system. They did not only provide a thorough overview of the areas for improvement but they also gave the right solutions alongside with designs for new features and style guides. The core task was Vue.js development of the website offer form, a crucial feature for business development. The quality of the work was definitely great as they were always eager to and successful in finding solutions to challenges that arise. All in all, the Selleo team has been a core part of our team and has consistently brought top-notch design and architecture to our project. I highly recommend them as a trustworthy software development partner.
Chris Mitchell

Incredible value, saved our project

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  • Schedule & Timing
  • Communication
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Project Detail

$50001 to $200000

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Review Summary

We were creating a fairly ambitious Rails app.

After an absolutely terrible experience with another Polish firm, we interviewed all the top Polish Rails agencies.

Selleo was the top. From the first meeting they had a developer there who was listening to what we were saying - it wasn't the standard 'yes' salesmen/women that you would normally get. Instead of telling us exactly what we wanted to hear while staying vague, they dove into the problem and invested time figuring out how we'd solve it, what the problems were, etc.

Selleo wasn't the cheapest, wasn't the most expensive, but it was by far the best value. They've continued to work with us on different issues, and with the pandemic, they helped us pivot and were extremely flexible.

After a number of bad experiences, we're been thrilled with the Selleo team.

What is it about the company that you appreciate the most?

Leadership, honest, involvement in getting best possible project

Matthew ONeill

Fantastic development partner

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Selleo have proven to be one of the best outsource development partners we've ever used. They are reliable, communicative, always helpful, consistently deliver to a high standard and are an absolute pleasure to work with too. I'd happily recommend them for any development projects!
Timo York

Working with Selleo on Web Application Development

Rating Breakdown

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  • Schedule & Timing
  • Communication
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Project Detail

$50001 to $200000

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Review Summary

I've been working together with Selleo for over 2 years now on the development of web applications. It has been a very positive experience for me and my company. Selleo has been a trusted partner, always willing to get involved and help resolve the most complex of issues. The quality of the coding and general work done has been very high.

What is it about the company that you appreciate the most?

Team engagement, transparency, access to resources, quality of code, eagerness to deliver value.

David Pallinder

Great colaboration

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We've had nothing but good experiences with the team att Selleo, they are dedicated and have meshed really well with the rest of the teams.
Manuel Reil

Excellent reliability and high trust relationship

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Project Detail

$200000+

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Selleo has provided excellent development services to us. We use them in development of EmberJS solutions. They are very flexible dedicated team, integrating easily with our own team, processes and flows.
Anders Gröndahl

Great team!

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The developers at Selleo are supportive, capable, and adept. The quality of the work was good in terms of development. They always find solutions to challenges that arise. I am happy with their services and would recommend them for anyone looking for a professional firm.
Genevieve Hart

Great work!

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The Selleo team was very efficient, and I recommend them for their attitudes towards understanding user needs and delivering great software.
Piet Neirinck

Working with Selleo team is a great experience and fun

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They’re a team of great professionals, responsible and proactive which always delivering the software on time.

They don’t need to be managed externally thus saving a lot of time for us. From their communication to development, Selleo represents a top-level company.
Thomas Fortmann

Very trustworthy and flexible

Rating Breakdown

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  • Schedule & Timing
  • Communication
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Project Detail

$50001 to $200000

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Review Summary

We've been working with Selleo for over a year and are very satisfied with our collaboration. They're quite flexible and adapted to our needs whenever necessary. The code they delivered almost always lived up to our highest expectations and they've been a very trustworthy partner in our software development projects. They're supportive and always help to find the most cost-effective solution to our problems