We are supported by these awesome companies!


emerchantpay is a leading online, mobile and POS payment service provider. We help e-commerce businesses of all sizes and sectors accept payments via multiple customer touch points. Designed to increase conversions, our offering includes robust payment processing technology, coupled with popular alternative payment methods and a range of acquiring services. emerchantpay Limited is registered as an authorised Electronic Money Institution (EMI) and has the FCA’s permission to issue electronic money (e-money) and provide payment services under registration number 900778.

We are a self-funded, product-based company, and working on a number of challenging (both code and infrastructure), high-uptime (99.99%) payment products, utilising predominantly the Ruby and Rails stack.

Receipt Bank

Receipt Bank is an award-winning accounting software used by 30,000+ small business to make bookkeeping effortless. Our automation saves them hundreds of hours every year - and we’re just getting started!

We are based around the globe, but our development team is mostly here in Bulgaria. We are a start-up that cares deeply about high quality and sane development practices. We have learned through blood and tears that the best way is almost always through beautiful, easily maintained code.

We are down to earth, happy Rails users and extremely proud sponsors of Balkan Ruby.


Catawiki's mission is to make special items available to everyone and we are one of the fastest growing companies in Europe. Our Online auction website attracts 14 million monthly users from around the globe to participate in weekly auctions across a variety of categories for special objects. The items we have auctioned off include a lock of Napoleon’s hair, a mammoth skeleton and the most expensive set of Lego ever produced! And yes, it's true, we use Ruby to sell Rubies!

Funding Circle

At Funding Circle we’re changing the world. We are the world’s leading marketplace for business loans and we’re taking on the global banking system to find a better way for businesses to borrow and investors to lend, by connecting them together. We are helping small businesses to grow, creating thousands of jobs across the UK, US, DE and NL, changing the lives of business owners, and at the same time helping investors earn a return on their hard-earned money.

We’re one of the fastest growing startups in the world with teams in London, San Francisco and Europe, and more than $300 million raised from the same people who backed Twitter, Facebook and Skype. We have a unique working environment and incredible teams as we seek to change the face of one of the biggest industries in the world – banking – as well as help to solve some of the biggest challenges the global economy faces.


With a team of over 170 people Strypes is a company with extensive experience in the software development. Founded in 2008, currently the company is a proud member of the ICT Group in the Netherlands. The ICT Group is a stock listed IT company that was founded in 1978 and employs over 1000 professionals worldwide.

Thanks to

Become a partner

If your company is interested in supporting Balkan Ruby, you can learn more about the partner opportunities by following the link below.