+381 (0) 60 6696655

+381 (0) 11 4054867

11070 Novi Beograd


About Us


Since the establishment, back in 2011, we at Sidera company, have made our mission to transform and improve the skills and knowledge of professionals on the local market and on the global scale as well. On our premises we have test center that allows us access to global testing services thanks to our partnerships with all major vendors like Pearson VUE, PSI, Castle, ITIL, Axelos.
We are Accredited Organisation for PRINCE2, PRINCE2 AGILE, ITIL and SCRUM. Certificates issued directly from our partner Peoplecert, are worldwide accepted, and acknowledged. .We in SIDERA, strongly believe that best achievements in accepting new knowledges are only possible if professionalism is accompanied with personal approach to each candidate
Regardless if you are experienced professional or enthusiastic and ambitious beginner, you may rest assured that our certified and experienced trainers will take utmost care in your educational process from the very first day of your training until the day of your exam.

Mario Bojadzic


How we do it?

Rest assured you will always enjoy friendly, competent service and a quick response to your requests. For example, we can deploy our experts within a few hours and organize on-site training including a coach, equipment, and course materials within 24 hours.

What we do?

Classroom Training

Skilled and certified instructors, extensive hands-on lab exercises and state-of-the-art training facilities create a powerful learning environment. You get the dedicated time of a professional instructor who is an expert in their subject matter along with industry-leading course manuals and reference materials to help you when you leave class.


On-Site Training

Many companies find it more cost effective to have classes taught at their location. With instructors located throughout the world, Sidera can deliver training at your location, or anywhere you desire. Minimize employee travel expenses and time away from the office while giving staff the education they need to do their job even better. Contact us to get the ball rolling for your own on-site training.


On our premises you can schedule and attend professional network of testing systems such as:

Pearson VUE,  PAN,  PSI,  Castle Additionaly you can also schedule and get paper based testing on: PRINCE2, PRINCE2 AGILE, ITIL and SCRUM

Training is always and only offered together with the respective exam.

We also provide either on-site or remote locations paper-based testing on behalf of PeopleCert.



PeopleCert’s extensive portfolio of certification programmes spans a broad range of important individual skillsets, designed to assist organisations become more efficient through internationally-recognised best practices in the areas of


Castle is an accomplished full-services certification and licensure testing company. We allow your stakeholders to excel in their profession through the development of competency-based testing, training, and high-stakes certification

More than 450 credential owners across the globe choose Pearson VUE to help develop, manage, deliver and grow their testing programs.

PSI has been the guiding hand behind the most successful testing and high-stakes exam projects in virtually every job category. Drawing on over 70 years of experience and expertise…


Mario Bojadzic

Certified Instructor