Linear Chemicals S.L.U, known as LINEAR, is a Spanish company located in Montgat-Barcelona, ​​which develops, manufactures and markets in vitro diagnostic (IVD) instruments and reagents, and accessories for clinical laboratory.


Since its foundation in 1994, it collaborates and invests constantly in R&D projects to improve and facilitate work in the laboratory and clinical diagnosis field. With an international projection, the company exports all over the world: the brands Cromatest, Clonatest, Plus-Sed, LiNEAR and Neartip are distributed in 125 countries on 5 continents.


The keys to the success of the company could be summed up in: highly qualified personnel, the constant improvement in productive processes and production, flexibility in production, and customer care.



LINEAR is regulated under the certificates ISO 9001 and 13485 , and the european IVDR/CE directive in investigation, manufacture and comercializing processes.


As a manufacturer of diagnostic reagents, LINEAR strictly follows the controls of productive processes, which is considered essential to meet the quality demand of each market.



LINEAR has a highly professional sales organization dedicated to the promotion and sale of its products. In the international market, the company has a network of distributors present in 125 countries on 5 continents.


In this way, LINEAR products are used in public and private hospitals, laboratories, educational centers and other organizations around the world.



LINEAR creates synergies with people, organizations and cultural associations, collaborating with NGOs and Foundations in different countries to contribute to the development, integration and improvement in different social and health areas.


For this reason we have helped and help groups of people at risk of exclusion, populations in rural areas with difficulty accessing basic services or organizations for the investigation of minority diseases.


We dedicate our efforts to offer to the market products of the highest quality at competitive prices. We currently offer our products in the following analytical areas:


Linear Chemicals S.L.U.

Joaquim Costa, 18 - 2a planta

08390 Montgat


Tel: +34 934 694 990

Factory and warehouse

Sant Antoni Mª Claret, 8 bis

08390 Montgat


Tel: +34 934 694 990