Custom Reagents & Contract Services

Custom Development Services

Your Reagents
Our Expertise

Put our experience to work for you.

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R&D Systems produces high quality custom proteins, antibodies and ELISA assays which enable biological discoveries and breakthroughs. Our extensive portfolio of product development and sample testing services demonstrate our production capabilities. Partner with our expert scientists to create outstanding, customized reagents to your unique specifications.

Core Custom Services

proteins structure

Custom Protein Production

Develop custom proteins utilizing our expertise in cloning, expression, purification, conjugation, formulation, and modification to enable your early phase R&D and long-term supply chain requirements.

dna and antibody

Custom Antibody Services

Our custom antibody services range from immunization and purification, to recombinant conversion and engineering for cell therapy applications.

cell antibody detection

Custom Luminex Assay Development

Develop custom Luminex assays by leveraging our extensive inventory of antibody panels and protein antigens to develop a multiplex panel for biomarker screening, and LDT or IVD assay development.

antibody and protein intra cellular

Custom ELISA Kits

Create custom ELISA kits with optimized assays specific to your research, pre-clinical, toxicology, or clinical goals by partnering with our scientists who developed the gold-standard Quantikine® ELISA kits.

cell culture

Custom Cell Culture Services

We are industry leaders in formulating and manufacturing consistent, high quality cell culture media. Utilize our expertise to produce and validate your custom media.

gear intra-cellular

Genome Engineering Services

Partner with our expert development team to design and engineer the cell line of your choice. We specialize in complex genome editing including knock-outs and knock-ins, and we can meet manufacturing needs with our new GMP facility.

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Recombinant Antibody Services

Immortalize your antibody with our custom recombinant antibody services which will guarantee consistency and supply. Add our custom antibody engineering services to solve your unique technical challenges.

Monoclonal Antibody Panels

Get your results faster, expedite your research and development, choose from > 10,000 monoclonal antibodies not found on our website.

Chemistry Services and Analysis

Trust your results to our world-class chemistry team, we deliver on custom synthesis, chemical sourcing, and analysis.

Bioactivity Testing Services

Is your protein, antibody or small molecule, bioactive? Save time, use our expertise to select, optimize and deliver bioassay results on your sample.

Ubiquitin/Proteasome Custom Services

Our custom ubiquitin and proteasome services are powered by Boston Biochem, the world's leading supplier of ubiquitin and ubiquitin-related products.

Custom cDNA Cloning

Utilize our expertise to create the cDNA vector of your choice. We specialize in custom vectors, , epitope tags, and tailormade formulations.

We Support Your Clinical Breakthroughs

Our Custom Services are Your Partner from Discovery to Compliance and Beyond



We empower you by creating the reagents for your discovery pipeline



Our facilities and team scale production for assay development          



We will validate your reagents to demonstrate reproducibility and accuracy



You define the timeline and we will manufacture the critical reagents and assays to meet it.



Our team of experts provides regulatory support for your filing

New Strains? No Problem. View Our Armored RNA Quant® SARS-CoV-2 Controls for qPCR

Customer Success Stories

Hear what customers have to say about our custom services

Advancing Assay Development for the Diagnostic Industry

Expedite the path to commercialization with assay development, validation, and manufacturing.

"With its focus on assisting clients to optimize assay reagent formulations and achieve target product performance criteria, we knew we had found the right partner.
Bruce H. Phelps
Technology Consultant

Supporting Novel Therapeutic Development for the Pharmaceutical Industry

Accelerate biomarker assay qualification for preclinical models and clinical sample testing.

"This project was very successful technically and yielded a robust data set that met current requirements as well as provided a new tool for future use, all delivered well within my project timelines."
James Smith
Scientist at Boehringer Ingelheim Pharmaceuticals

Advancing Diagnostic Development for the Biotechnology Industry

New analyte development and fast-tracked scaled production for multiplex immunoassays.

"Partnering with the Luminex team at R&D Systems for missing analyte development was invaluable to our project. Their Quality Assurance expertise and open communication ensured transparent study progression."
Biotech Company

Taking On and Solving Challenging Gene Engineering Projects

Cell line development for long term pharmaceutical program projects.

"They provide the most up-to-date engineering tools, strategies, and techniques to ensure the quickest turn-around of the final cells. The team really has some of the brightest and most tenacious scientists that treat our project as if it was their own research."
Senior Scientist
Fortune 25 Pharmaceutical Company

The R&D Systems’ Advantage

When you initiate your custom antibody, protein or ELISA Assay project through R&D Systems' custom services program, you not only receive an outstanding product, but you also join the R&D Systems' family. Our scientists, researchers, support staff, and experts are here to make sure you receive what you need, when you need it, to get you results faster.


Our products are manufactured under compliance with ISO-9001 and/or ISO-13485 certifications. For more information see our Certifications page.

FDA Registered

R&D Systems is an FDA registered Medical Device Establishment and is routinely inspected.

GMP Conversion

Confidently rely on us to convert your RUO product into a GMP qualified product.For more information see our GMP Quality Support page.

Dedicated Project Managers

Our project managers build relationships and are here to ensure your success.

Scientific Expertise

We bring more than 30 years of experience to the table and have supplied Nobel prize winners.

Long-Term Supply

We are recognized for our ability to provide consistent products over time, confidently depend upon us for your custom product needs.

Our Development Cycle

Our development cycle starts with you. Are you facing difficult research challenges? Is it difficult to source the media or materials you need? We are here to help.


Understand your goals

Your goals are as important to us, as they are to you. Tell us about your research, and we will recommend the best solution to optimize results.


Consult with our experts

Our leading experts have the experience to answer your questions.


Document milestones

Stay up-to-date on your custom service development. We keep you in the loop every step of the way!


Initiate & communicate

We understand that communication is key. We are always ready to get answers to your questions and requests quickly!


Deliver your product or service

We stand by our final custom products and work to your timeline.

R&D Systems Quality

All our custom products and contract services are governed by established, rigorous quality assurance measures, so you can be confident in the accuracy of the data and the performance of your custom products. Work performed within our FDA-regulated facility means that you can move seamlessly into regulatory agency submissions with Bio-Techne's regulatory affairs team as a partner. Importantly, our manufacturing facilities ensure that, following the success of your initial research, we can provide large-scale amounts of critical, specialized reagents to ensure your continued success.

Our policies conform with the requirements of:

  • (The) Code of Federal Regulations (21 CFR 820)
  • Quality System Regulations for Medical Devices, ISO 13485:2003 Standard and ISO 9001:2008 Standard
  • (The) In Vitro Diagnostic Directive 98/79/ EC
  • (The) Canadian Medical Device Regulations
Review Our Certifications
Custom Development Services Quality Assurance

Frequently Asked Question

Frequently Asked Questions about our Custom Products & Services

Our FAQs will answer your commonly asked questions on custom products, services, and research areas.

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Contact Us

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