A good healthcare can never be sustainable with health technologies that are not assessed right.

HTA Ltd. would like to help you build your own bridge – from health technology to healthcare – in a professional, conscious, competent and qualitative way, complying with scientific standards, aiming at making the healthcare system better.

HTA Ltd. Evidence matters

Our team

Dr. Slaveyko Djambazov

founder and manager of HTA Ltd.

Adriana Dacheva

Operations Manager & Budget Impact Analyst

Yanitsa Pavlova

HTA analyst

George Slavchev

PhD, Scientific Lead

Maya Hadzhieva

PhD, Scientific Analyst

Radoslava Mitova

Medical Advisor

Marta Encheva

PhD, Scientific Analyst

Yana Nikolova

HTA Analyst

What we do

HTA Ltd. is certified under BDS EN ISO 9001:2015  and ISO/IEC 27001:2013 standards

HTA Ltd. is also certified from Commission for Personal Data Protection.

We aim to provide our clients with professional assessment, based on our knowledge of health technologies, our access to the pharmaceutical sector, our business approach. For this reason we are building a strong national and international network. We crucially rely on our vast collaboration with universities.

HTA Ltd. is a consulting company:

  • health technology assessment: drugs, medical devices, and diagnostic methods
  • healthcare management
  • health policy advisory
  • management consulting
  • investment consulting
  • market access strategy
  • providing scientific advice

By interacting and analyzing accordingly, HTA Ltd. provides a professional and objective assessment and advice.

НТА Ltd. offers health technology assessment:

  • assessment with regard of the policies in the sphere of scientific research, which deals with short-term as well as the long- term results of the applied health technologies;
  • provides information regarding alternative health strategies;
  • systematically assesses the technical characteristics, the safety, clinical efficacy, and real life effectiveness, costs, social, legal and ethical consequences of the health technologies
  • focuses on the clinical and economic added value of the health technology

The health technology assessment includes:

  • analysis of the health problem;
  • comparative analysis of the therapeutic efficacy and safety of the  product;
  • analysis of the pharmaco-economic indicators;
  • analysis of the budget impact;


PFIZER strongly recommends Health Technology Assessment Ltd. (HTA Ltd.) Bulgaria as a reliable provider of health technology assessment services, on time, within budget. Through its work in partnership with HTA Ltd., PFIZER aims to ensure reliable and comprehensive data and professional analysis on its products.
As a big pharmaceutical company, we strongly rely on the precise analysis of our products. When it comes to the Bulgarian market, we rely on HTA Ltd. for providing us with reliable, well-organized and detailed reports. That is why we would strongly recommend them to any potential clients in Bulgaria. The professional level is higher than expected and satisfies Novartis’ standards and requirements.
HTA Ltd. is a team of professionals with an extensive network of prominent experts, and their job is impressive. HTA Ltd. is a trusted partner and meets Sanofi’s high standards and requirements.
Eli Lily Bulgaria believes that the health technology assessment of products must be executed by specialists and experts who are familiar with the Bulgarian and the international regulations and market environment, with the necessary qualification for fulfilling such tasks, and who have the skills to analyze all information in a professional way and within the agreed time framework. For that reason Eli Lily​ recommends the services of HTA Ltd. for providing HTA support in preparation of analyses of medicinal products.
We, at Merck Bulgaria EAD, rely on HTA Ltd., which managed to provide a precisely written and detailed HTA report, for a less than a month, which was evaluated with a positive recommentation by the Health Technology Assessment Commission, three months later. After our work with HTA Ltd. we would strongly recommend their services as detailed, accurate, and within the agreed time framework.
Merck Bulgaria EAD
Positive Health Technology Assessment is a key step in successful market entry for medicinal products. Conducting qualitative and precise pharmacoeconomic analysis could sometimes be very challenging, especially in short terms. We trust HTA Ltd. to produce the pharmacoeconomic analysis of AbbVie’s products because we receive professional service within the specified term. We strongly recommend HTA Ltd. as a reliable partner with high standards of work.

The Textbooks

Clinical researches

Theory, Practice, Recommendations

Slaveyko Dzhambazov
Evgeni Mekov
Georgi Slavchev
Tony Vekov

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The future of the health economy

Tony Vekov
Georgi Hristov
Slaveyko Dzhambazov

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Evaluation of Medicinal therapies

Tony Vekov
Evgeni Grigorov
Nadya Veleva
Slaveyko Dzhambazov

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Evaluation of Medicinal therapies

Tony Vekov
Petko Salchev
Slaveyko Dzhambazov

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