Smart science delivered.

Built to accelerate the development of your novel treatments

Abzena is as committed to success as you are. We have the capabilities, capacity and knowledge to move your asset forward as carefully and quickly as possible. 

Our seasoned professionals offer the kind of personalized service and flexible working relationship that your demanding, time-sensitive programs deserve. We’re not afraid to question assumptions, and not shy about presenting new and better ideas.

And then, we deliver.

With research, development, and cGMP facilities across locations in San Diego, CA, Bristol, PA, and Cambridge, UK, Abzena is fully prepared to move your bioconjugate and biologics programs forward at every step in the process.

Opportunity is out there. Who can you count on to get you across the finish line?

Let's get started.


Welsh Carson Anderson & Stowe (WCAS), one of the world’s leading private equity investors, purchased Abzena in 2018.

Diversity, Inclusion and Belonging

Abzena for everyone; bring your whole self to work.

You belong. Building an inclusive culture that fosters, empowers and celebrates the diverse voices of our employees, we embrace your thoughts, experiences and talents. It is our belief that the more inclusive we are, the better we work.

We are committed to creating workplaces that reflect the communities we serve so that everyone feels empowered.

Through our values of quality, scientific innovation and integrity, it is our mission to support and uphold fair and just practices and policies in everything that we do.


At Abzena, we place the highest value on our environmental, health, and safety programs. Our Company’s foundation is built on our values which distinguish us and guide our actions.

  • We conduct our business in a socially responsible and
    ethical manner.
  • We strive to be a responsible corporate steward of the
    the natural environment and consider our commitment to
    environmental management and sustainability an
    important priority.

As Abzena continues to grow and provide essential CDMO services to our partners and their patients, we embrace the opportunity to become an industry leader in corporate sustainability.


Quality is first – to patients, regulatory authorities, and our partners.

Abzena’s Quality organization provides safe and compliant products to your patients. Our Quality organization has a comprehensive program of quality services to ensure compliance with regulatory requirements.

In addition to our expertise, we have the technologies and analytical capabilities to handle any of your modalities; from the simple to the most complex.


Abzena’s global operations and services are co-located across three state-of-the-art facilities in the UK and USA.

San Diego, CA, USA

6325 Lusk Blvd.
San Diego,
CA 92121
+1 858-550-4094

San Diego, CA, USA

2858 Loker Ave E. Suite 100
CA 92010
Explore San Diego
+1 858-550-4094

San Diego, CA, USA

11425 Sorrento Valley Rd.
San Diego,
CA 92121
+1 858-550-4094

Bristol, PA, USA

360 George Patterson Blvd.
+1 215-788-3603

Cambridge, UK

Babraham Research Campus,
CB22 3AT
United Kingdom
+44 1223 903498