About Fusion Antibodies Ltd

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Fusion Antibodies is a CRO that offers a range of antibody engineering services for all stages of therapeutic and diagnostic antibody development.

Fusion Antibodies is a CRO established in 2001

Fusion Antibodies is a Contract Research Organisation (CRO) established in 2001 as a spin-out from Queen’s University Belfast and located about 6 miles outside Belfast city centre. With 15+ years of experience in the medical research industry, including two of our own antibodies in clinical and pre-clinical trials, Fusion Antibodies is your first choice for accelerating your research towards the clinic.

Fusion Antibodies Ltd OfficeFusion Antibodies started primarily working with E. coli expression systems and has won a host of awards for its E. coli technology platform - FET (Fusion Expression Technology) which accelerates the validation of targets from DNA sequence through to recombinant protein expression. We have since developed and expanded to provide a range of world class services in antibody development, production, characterization and optimization. Our services now range from antigen expression and purification, followed by antibody production and sequencing, right through to humanization, cGMP-ready stable cell lines and supply of material for clinical trials.

At Fusion Antibodies we can provide project management and offer a fee-for-service, royalty free, risk free development service from discovery right through to clinical studies. Although we specialise in antibodies, Fusion Antibodies have produced cell lines and proteins for a wide variety of clinical applications. Our approach allows the client company to focus on the design and execution of their programs and for Fusion Antibodies to provide the materials. We will work closely with your team in a collaborative effort to get the best possible results. Fusion Antibodies, along with their cGMP partners Celonic AG, can offer a complete development pathway from ideas, to genes, to proteins, to antibodies and to the clinic.

Choose Fusion Antibodies because:

  • We have over 15 years experience in antibody research
  • UK limited company
  • Milestoned payments
  • Customer focused
  • Quality is paramount
  • Complete range of Antibody services available
  • Competitive pricing
  • Can provide a range of ancillary services through our partners
  • Project Management
  • Regulatory support
  • cGMP Manufacturing
  • Quality Assurance and Risk Free Delivery

Fusion Antibodies provides contract services which includes:

Antibody engineering and humanization services

Fusion Antibodies offer as a service the humanization of monoclonal antibodies. Click to find out more about what Humanization can do for your therapeutic targets.

No-success no-fee guaranteed antibody sequencing service

We are so confident in our Antibody sequencing services, we offer a no-success no-fee guarantee. Click above to find out more about our world class antibody DNA sequencing service.

Custom expression and purification of recombinant proteins

We are experts at the  expression and purification of recombinant proteins from both E. coli and mammalian vectors. We specialize in protein purification using a range of techniques, including purification of insoluble proteins from inclusion bodies.

Stable cell line development

High yield stable cell lines for biosimilars and recombinant protein expression

Visit our services pages to find out more about the range of world-class solutions we offer or contact us today to find out what Fusion Antibodies can do for your project.


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Feel free to get in touch for any further information. We would love to hear from you.

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