South Side Business Centre 38, Maystor Aleksi Rilets Str., 5th fl. Res. Distr. Manastirski Livadi – West 1618 Sofia, BulgariaComac Medical provides clinical trial support, site management, biostatistics, and regulatory consultancy.

83, “Gyueshevo” str. “Serdika” Business Centre, Office 411 1330 Sofia- BulgariaChiesi farmaceutici offers drug development, drug discovery, and clinical trials.

11 ulitsa "Kozyak" Sofia, Sofia City Province, 1407 BulgariaPharmaLex is a leading provider of specialized services for the pharma, biotech and medical device industries. We guide you from early strategic planning activities and non-clinical requirements through clinical development, regulatory submission processes and post-approval / maintenance post-launch activities. Our experts use technology-enabled solutions to support you through the entire product lifecycle. We deliver exceptional results — going above and beyond the standard to deliver tailor-made solutions worldwide.

Sofia, Sofia City Province BulgariaAssociated Medical offers clinical research services including phase I-IV studies and medical writing.

Sofia, BulgariaAssociated Medical offers clinical research services including phase I-IV studies and medical writing.

Sofia, Sofia City Province BulgariaBiovantix provides clinical trials in phase II-IV, medical device trials, and post-marketing studies.

Sveta Troiza Qtrs., bl. 378, entr. A, office 4, 1309 Sofia, BulgariaBiovantix provides clinical trials in phase II-IV, medical device trials, and post-marketing studies.

Sofia, 1729 BulgariaBCRS: Your Partner in Precision Biospecimen Solutions BCRS is a specialized biospecimen and bio-services provider, strategically focused on supporting pharmaceutical and diagnostic companies in their drug development and research initiatives. We provide a comprehensive portfolio of high-quality human biospecimens, including FFPE tissue cassettes, fresh and frozen tissues, and a wide range of biofluids such as blood, serum, plasma, PBMCs, urine, and CSF. Each specimen in our repository is meticulously annotated with detailed clinical, pathological, and demographic data, ensuring its suitability for your research. For projects requiring specific criteria not met by our existing inventory, our expert team excels at providing tailored, prospective collection solutions designed to meet your precise scientific needs. Established in 2012, our headquarters in Sofia, Bulgaria, serves as the central hub of an extensive and continuously expanding network. Through our offices in Belgrade and Skopje, and with the support of strategic partners in Budapest, Prague, Ljubljana, Podgorica, and Moscow, we have cultivated a diverse supply chain. This broad geographic reach allows us to provide a wide variety of indications and specimens within the shortest possible timelines. Our core team of 19 dedicated employees and consultants comprises highly skilled professionals, including Pathologists, Cell Biologists, Biochemists, CRAs, and Medical Doctors. This multidisciplinary expertise ensures a deep understanding of your scientific requirements and the rigorous quality standards of the industry. While our biobank maintains a significant collection of specimens, with a large proportion of FFPE tissue cassette blocks, we primarily operate on a prospective basis to fulfill unique project specifications. This dual model guarantees access to both a ready-made repository and a customized collection service. All specimens are collected from a robust and growing network of over 65 academic and clinical institutions across more than eight EU and non-EU countries. Our collection protocols are in strict adherence to all local and international regulatory requirements, ensuring ethical and compliant sourcing. Commitment to Quality Control At BCRS, quality is paramount. We have implemented a stringent and comprehensive Quality Control (QC) program that oversees every stage of the biospecimen lifecycle. From initial collection and processing to long-term storage and final shipment, each specimen undergoes meticulous checks to guarantee its integrity, viability, and scientific utility for your research.

8 Prof. Djovani Gorini street Bulgaria Sofia, Sofia, 1505 BulgariaBCRS: Your Partner in Precision Biospecimen Solutions BCRS is a specialized biospecimen and bio-services provider, strategically focused on supporting pharmaceutical and diagnostic companies in their drug development and research initiatives. We provide a comprehensive portfolio of high-quality human biospecimens, including FFPE tissue cassettes, fresh and frozen tissues, and a wide range of biofluids such as blood, serum, plasma, PBMCs, urine, and CSF. Each specimen in our repository is meticulously annotated with detailed clinical, pathological, and demographic data, ensuring its suitability for your research. For projects requiring specific criteria not met by our existing inventory, our expert team excels at providing tailored, prospective collection solutions designed to meet your precise scientific needs. Established in 2012, our headquarters in Sofia, Bulgaria, serves as the central hub of an extensive and continuously expanding network. Through our offices in Belgrade and Skopje, and with the support of strategic partners in Budapest, Prague, Ljubljana, Podgorica, and Moscow, we have cultivated a diverse supply chain. This broad geographic reach allows us to provide a wide variety of indications and specimens within the shortest possible timelines. Our core team of 19 dedicated employees and consultants comprises highly skilled professionals, including Pathologists, Cell Biologists, Biochemists, CRAs, and Medical Doctors. This multidisciplinary expertise ensures a deep understanding of your scientific requirements and the rigorous quality standards of the industry. While our biobank maintains a significant collection of specimens, with a large proportion of FFPE tissue cassette blocks, we primarily operate on a prospective basis to fulfill unique project specifications. This dual model guarantees access to both a ready-made repository and a customized collection service. All specimens are collected from a robust and growing network of over 65 academic and clinical institutions across more than eight EU and non-EU countries. Our collection protocols are in strict adherence to all local and international regulatory requirements, ensuring ethical and compliant sourcing. Commitment to Quality Control At BCRS, quality is paramount. We have implemented a stringent and comprehensive Quality Control (QC) program that oversees every stage of the biospecimen lifecycle. From initial collection and processing to long-term storage and final shipment, each specimen undergoes meticulous checks to guarantee its integrity, viability, and scientific utility for your research.

Crossover EOOD, 12 Vishneva Street, Lozenetz, Sofia 1164, BulgariaCrossover provides clinical research units, regulatory affairs, GCP training, and quality assurance.

6 Tri Ushi Str., Office 2 Sofia, 1000 BulgariaConvex Ltd. established in 1991 as an independent research company is a full service Clinical Research Organization with an incorporated Clinical Research Centre and a Phase I Pharmacological Unit for single- and multi-centre clinical trials on patient and healthy volunteer populations. Convex conducts clinical phases I–IV, BE/BA, observation, registry-based, medical devices and nutritional supplements studies. Convex manages its own network of Investigator’s sites for conducting multi-centre trials including medical centres, clinics and university hospitals.

23-A Dragan Tsankov Blvd Floor 2 Sofia, 1113 BulgariaDiscovery Life Sciences is a global leader in biospecimens and specialty lab services, enabling the discovery and development of groundbreaking therapeutics and diagnostics. With a robust portfolio of human biospecimens and cellular starting material, preclinical ADME-tox solutions, and cutting-edge specialty lab services, we provide our partners with the tools, data and expertise they need to succeed. From genomics and proteomics to cell biology and molecular pathology, our comprehensive service offerings support every phase of the scientific journey, from research through clinical trials. We offer one of the world’s largest inventory of pre-characterized standalone and matched human biospecimens with cancer patient follow-up data. Coupled with industry-leading cell biology expertise and a full suite of multi-omics analytical services, this unique combination enables you to build optimal cohorts and generate the most relevant data across a broad spectrum of therapeutic areas.

Sopharma Business Towers Building B, Fl. 18, 5 Lachezar Stanchev Str. Sofia, 1756 BulgariaDiscovery Life Sciences is a global leader in biospecimens and specialty lab services, enabling the discovery and development of groundbreaking therapeutics and diagnostics. With a robust portfolio of human biospecimens and cellular starting material, preclinical ADME-tox solutions, and cutting-edge specialty lab services, we provide our partners with the tools, data and expertise they need to succeed. From genomics and proteomics to cell biology and molecular pathology, our comprehensive service offerings support every phase of the scientific journey, from research through clinical trials. We offer one of the world’s largest inventory of pre-characterized standalone and matched human biospecimens with cancer patient follow-up data. Coupled with industry-leading cell biology expertise and a full suite of multi-omics analytical services, this unique combination enables you to build optimal cohorts and generate the most relevant data across a broad spectrum of therapeutic areas.

44A Sv. Kipriyan Str Floor 4 Sofia, Sofia, 1799 BulgariaFidelis Research, a BioIVT Company, is specialised in human biospecimens collection and processing, as well as customised R&D support services. We are a trusted partner of global pharma, biotech and research organisations. Fidelis works with a wide network of over 80 collection sites in Europe and we able to conduct projects tailored to your specific needs for fresh or frozen tissue, bone marrow aspirate, PBMCs, BMMCs, plasma, serum or whole blood samples, FFPEs, matched sets and other custom collections. Our inventory comprises banked solid tumor and hematological malignancies samples. Accelerate your translational research with our bespoke collections and research support solutions.

James Bourchier blvd 1 sofia, BULGARIA, 1164 BulgariaFrankenstein Bio Reagents (FB Reagents) was founded in 2009 in Cambridge, MA with the goal of providing more affordable stable isotope labeled lipids, detergents, and amino acids. We currently offer the largest selection of high purity, deuterated phospholipids and detergents, at the best prices. To expand our catalog, we also offer reasonable prices for custom synthesis of new compounds.

James Bourchier blvd 1, Faculty of Chemistry and Pharmacy Sofia University, room 112 sofia, BULGARIA, 1164 BulgariaFrankenstein Bio Reagents (FB Reagents) was founded in 2009 in Cambridge, MA with the goal of providing more affordable stable isotope labeled lipids, detergents, and amino acids. We currently offer the largest selection of high purity, deuterated phospholipids and detergents, at the best prices. To expand our catalog, we also offer reasonable prices for custom synthesis of new compounds.

104 Boulevard "Akademik Ivan Evstratiev Geshov " Apt 2 Sofia, Sofia City Province, 1612 BulgariaGlobal Clinical Trials (GCT) is a premium contract-research organization (CRO) that offers support for the preclinical and clinical Phase I-IV studies as well as post-marketing activities to Big Pharma, small and medium-sized biotech enterprises, groups and funds, as well as large universities and institutions. Headquartered in Princeton, USA, GCT offers both local and global support through 8 operational offices in Bulgaria, Czech Republic, Hungary, India, Poland, Romania, Russia, Slovakia, Ukraine, USA and is a founding partner of a network of reliable partners in Scandinavia and Western Europe. GCT team, that now consists of over 60 full-time clinical research professionals, gives individualized attention to each project and provides full range of services following the latest GCP, EMA and FDA guidelines at every stage of product development path. Our monitors and project managers are all certified clinicians experienced in GCP clinical research. Our experience, competent staff, close contact with the KOLs and the immense enrollment potential of the covered region ensure fast study start-up and compliance with the set timelines. GCT owns 400 sq.m. (4300 ft2) Drug Storage and Distribution facility in St. Petersburg, Russia. It is fully equipped, disaster protected and has multiple modes of storage (ambient, climate controlled, refrigerated, frozen). High standards of work and client satisfaction are proved by the fact that more than 80% of the business come from repeat clients. Meanwhile, in the recent years the number of our clients worldwide increased dramatically. We actively participate in specialized industry events worldwide. Since 2006 GCT is also an Exclusive Partner of “The White Nights” International ophthalmology congress in Russia.

103 Arsenalski Blvd. Sofia, 1421 BulgariaGSA Pharma support researchers globally by collecting and processing a broad range of disease-state and control samples accompanied by comprehensive annotated data. Our extensive network of sites allows us to enroll a large number of diseased and healthy patients under custom inclusion criteria with both commonly used and difficult to find human tissue and biofluid specimens for research. GSA Pharma works with standard or customer-specified collection and processing protocols, using dedicated facilities and central laboratories in the country of collection to guarantee consistency in procedures and quality across samples. We have built a reputation of a professional partner ensuring research specimens of high quality with consistent information and de-identified patient disease information. GSA pharma LTD is an approved Scientist.com supplier.

Sofia, Sofia City Province BulgariaKokiche focuses on conducting clinical drug trials for phases I to IV in the Eastern European region.

C-5 Building 9F-BNEXUS Biosystems provides sample management, storage, combinatorial chemistry, and protein crystallography.

53 Tsarigradsko Shosse bul., bl. 2, floor 1, Apt. 4, Sofia, BulgariaOCT Clinical Trials offers phase I-IV clinical research services such as clinical monitoring, clinical trials, preclinical studies, quality assurance, data management, and regulatory affairs. http://www.oct-clinicaltrials.com/

53-55 Bulevard General Eduard I. Totleben 53-55 Totleben Blvd. Sofia, Sofia City Province, 1606 BulgariaWorldwide Clinical Trials employs more than 1,600 professionals around the world, with offices in North and South America, Eastern and Western Europe, Russia and Asia. Founded by physicians committed to advancing medical science, Worldwide is out to change how the world experiences CROs – in the best possible way. From Early Phase and Bioanalytical Sciences through Late Phase and post approval, we provide world-class, full-service drug development services. With infrastructure and talent spanning 60 countries, we execute predictable, successful studies with operational excellence. We never compromise on science or safety. We’re never satisfied with the status quo. We’re the Cure for the Common CRO.