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Custom Antibody Production

Can't find an antibody to work in your application? Generate high-specificity, high-affinity application-tailored custom antibodies with our award-winning services!

Antibodies are indispensable research tools that have enabled researchers across diverse scientific fields to specify, identify, locate and/or quantify their protein targets. As an award-winning custom antibody supplier with over 8,000 monoclonal and 40,000 polyclonal antibodies generated to date, GenScript offers a comprehensive antibody production and service portfolio. From antigen design through to custom antibody generation, our expert scientists and talented technical support team have got you covered all the way!

A one-stop shop for all your antibody generation needs

2018 CiteAb award winner for most popular custom antibody supplier

24-hour Ph.D-level technical support

We also offer an array of specialized services such as phospho-specific antibody and immunoassay development services. Learn more here

GenScript is committed to responsible animal care and use. All our antibodies are generated in GenScript's AAALAC and OLAW certified animal facilities (to view our most current animal facility certifications, please click here).


What is your experiment goal?

Protein localization



Custom mAb


Fluorescent labeling

Protein expression & interactions

Western Blot & IP

Custom mAb

Custom pAb

PolyExpress™ pAb

Protein detection & quantitation


Custom mAb

Anti-idiotype Ab

Ab labeling

Protein identification & quantitation

Mass Spectrometry

Custom mAb

See how researchers have put GenScript's custom antibodies to use by exploring our citations database!


New Application Note

New Application Note

Rapid Identification of Diverse
High-Affinity SARS-CoV-2 Antibodies

Free Download
White Paper Series on Antibody Generation

White Paper Series on Antibody Generation

Learn about antibody generation and the differences between modern antibody production methods

Free Download
MonoRab White Paper

MonoRab™ White Paper

Learn all about the extraordinary specificity & affinity of rabbit mAbs

Free Download
Customer pAb Case Study

GenSmart™ Variable Domain Sequence Analyzer New

Free Tool to Analyzer Your Antibody Sequence and Structure

Learn More

Featured video | Learn about how our antibody services can help accelerate your drug discovery process

Dr. Pei Liu, Senior Scientist at GenScript Reagent Antibody Services talks about how our different optimized antibody platforms can benefit your drug discovery process from start to finish.

Frequently Asked Questions