Zel-Cos is a proprietary company, established in 1991. and since then providing the best quality IT services to our customers. Through more then two decades we became the recognized brand on the Croatian IT market.
Zel-Cos consists of thirty or so IT experts that are constantly involved and fully aware of the so called lifetime learning programmes, to be able to fulfil the needs and expectations of our valued customers. Through our company business policy mechanisms we are trying to deploy and implement the „best buy“ and fully optimized IT solutions for our customers. For every deployed IT integrated system or solution, we are also offering the highest level support and maintenance. It is mainained through remotely connected sessions, or through onsite type of support, on customers premises if needed.

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Enter your receipt (just number without "Y" and year) number to check the status of your service request.
Receipt number is in the top right corner of the document that you received during receipt of work order.
System integrations
Starting a new business, or thinking of refreshing the information technology infrastructure, be sure to contact us and use our know-how and expertise. We will offer a high quality services, hardware and solutions in full, which will help you optimize your business expenses.
IT sales
With IT sales Zel-Cos is completing his offer as a leading IT service of equipment and estabilished system integrator. We met needs of our clients and trends in IT market. We adopt to needs of our clienst and some services we predefinied.
Za moderan način rada
Računala stvorena za poduzetnike. Sigurna i praktična, uz moćne alate za suradnju s kojima ćete svugdje biti produktivni. Jednostavno ih nosite sa sobom gdje...
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Read moreOUR VISION
Continuous optimization of our own business potentials by offering the best quality IT solutions and products, together with the highest level of long term support to our customers.
OUR MISSION
By integrating the best IT solutions we are continuously adding the new value and improving our customers productvity and competitiveness on the market.
Ul. Grada Chicaga 28, HR-10000 Zagreb
T: +385 01 3033120
F: +385 01 3033130
servis@zel-cos.hr, prodaja@zel-cos.hr, sistemske.integracije@zel-cos.hr