About us

We manufacture beautiful custom switches and sockets that express the individuality of your interior.


Rhombus Europe Ltd. is established in 2014 by experienced entrepreneurs – Mr. Ivaylo Kateliev (CEO) and Mr. Veselin Valev (CTO).

The main activity of the company is development and production of high-end peripheral electrical devices . We provide professional products and solutions in the residential, commercial and hospitality markets. Our focus is on providing beautiful custom switches and wiring devices that express the individuality of your interior. Every project is special and unique – that is why we approach to each one individually.

Rhombus’s devices work in integration with various technologies such as Modbus, KNX , Cresnet , Dry Contact and many others. Rhombus Europe is progressing very quickly thanks to the high quality of its manufactured devices, amazing design and precise execution of each customer order. We are proud to say that we work in collaboration with some of the best Interior Designers & Architects, consultants, operators , construction companies – worldwide.

About us

What we do?


Location: Varna, Bulgaria
Team: +150 partners in over 5 continents
and permanently expanding

Our keypads support various technologies to achieve the best in automation.
We understand that the perfect blend between design and comfort cannot be achieved without technology. Our range of keypads also support seamless integration into the Crestron Home network through the Cresnet chipset. Define your desire from one of our collections or contact us so we can assist you better.



Rhombus Europe is established and starts OEM supply for the best producers of guestroom management systems worldwide VDA / INTEREL / HONEYWELL


Launching the MONOBLOCK collection AND GRIFFIN collection with interchangeable front plates in different noble materials such as Metal / Leather / Stone / Wood


Execution of the first iconic project – HOTEL CRILLON in Paris


Execution of one of the most iconic projects in MIDDLE EAST –  KEMPINSKI PLAM JUMEIRAH in Dubai UAE and AL AREEN PALACE in Bahrein


Delivery of one of the most iconic project in Africa – Novotel Anantanarivo



Delivery of iconic projects in Paris – Hotel Bulgari, Hotel Collectionneur , Hotel SAINT GERMAIN IHG


Execution of the most iconic projects in ADRIATIC region – HOTELS BRIONI PULA / AMBASSADOR SPLIT / MAMULA MONTENEGRO


Delivery of iconic projects – hotel PARAGRAPH in Georgia, Hotel Casa CIPRIANI in Italy ,  Mariott Hotel in Poland, Nammos Greece



Talent wins games, but teamwork and intelligence win championships.
Rhombus europe partners with the best companies worldwide to provide you the best integrations.