About Us

Cytomark are dedicated to the development of cell stabilisation reagents for use in Flow Cytometry.  TransFix® reduces the pressure associated with the analysis of fresh samples and is widely used in hospitals, reference laboratories, academic research institutions, pharmaceutical and biotechnology companies, and government agencies.

Cytomark is a Limited Company located in Buckingham, United Kingdom and has access to a world-wide distributor network currently selling in over 60 territories. Caltag Medsystems is the parent company, manufacturer of Cytomark products and holder of the ISO13485 quality certificate.

As a family run business, we pride ourselves on delivering quality products and exemplary customer service. Our strength is staying true to our core products and developing new exciting product lines with carefully selected partners. If you would like to discuss our existing product range or have a brilliant new idea that could be enhanced by a fixative reagent, please contact us to discuss any questions with our experienced team.