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We have been operating and investing in Bulgaria for more than 28 years. Our activity continuously aims to provide quality and modern treatment of patients in Bulgaria while creating and maintaining a fair, ethical and strong partnership with all stakeholders in our healthcare system.

We have a team of over 150 highly qualified employees and we have committed to being a leading company in how we support employee health, wellbeing and personal development.

We have established long-term cooperation with several organisations to deal with our logistics, information technology, as well as with other industry organisations in Bulgaria. We invest in supporting Independent Medical Education projects with many healthcare organisations.


GlaxoSmithKline LTD
Mladost Distr., Boulevard "Tsarigradsko shose" 115G,
1784 Sofia
Tel: +359 2 953 1034
Fax: +359 2 950 5605

Reporting an adverse event

We are closely monitoring the safety of all its medicinal products. This includes reviewing safety data from clinical trials, collecting reports and suspected adverse reactions to marketed products. This information contributes to the overall safety oversight of our products.

Patient safety is first and foremost to us. If you have experienced an adverse reaction to a GSK medicine or vaccine, please tell your doctor or pharmacist or contact us by phone: (02) 953 10 34 / fax: (02) 950 56 05. This includes reactions not described in the package leaflet, in the meantime pregnancy, unexpected benefit or no effect, as well as in case of overdose or misuse/error.

You can also report side effects directly via the national reporting system listed below. By reporting side effects, you can help to get more information about the safety of your medicine, vaccine or over-the-counter medicine.

Bulgarian Drug Agency
Damyan Gruev Street No. 8
1303 Sofia

Tel: +359 2 8903417

Customer relations

Tel: +359 2 953 1034 


Search for jobs in Bulgaria

General media enquiries

Vasilena Vizeva, Communications Manager
Tel: +359 887288522

Healthcare professionals

Health professionals in Bulgaria can obtain information about products and areas of therapy related to GSK by visiting GSKPro

Disclosure of payments made to medical professionals in Bulgaria

In recent years, GSK has challenged the traditional business model of pharmaceutical companies through industry-leading improvements in the way we do business. Our improvements aim to meet society's growing expectation of transparency in the actions of organisations and individuals. This includes our relationships with health professionals (HCPs) or health organisations (HCOs) so that all of these interactions are maintained in integrity and transparency.

Our disclosure can be found here

Donations of GSK Bulgaria to patient organisations