Our History

For over 20 years, Gold Standard Diagnostics Horsham (formerly Abraxis) has been developing, manufacturing, and marketing rapid environmental, food, and life sciences test systems, including immunochemistry products and methods, to meet the testing needs of research and industry.

We have built strong collaborations with global government, industry, and academic leaders to develop innovative methods and applications. This has allowed us to respond quickly to our customers’ requests for assays when new threats (e.g. harmful algal blooms, melamine, glyphosate in foods) arise. When public health is at stake, a reliable and proven platform for rapid testing is critical. Our experience as a leading rapid test manufacturer means our customers can obtain fast and accurate results to identify potential threats.

Many of our products are validated/verified by agencies such as US EPA, USDA, USGS, FDA, Japanese Ministry of the Environment, and WHO. Gold Standard Diagnostics US. holds, or is exclusive licensee, of several key technology patents, with additional applications in process.

Why Gold Standard Diagnostics?

At Gold Standard Diagnostics Horsham finding solutions to your testing challenges is our top priority. We understand that reliable results are a must.

Whether you’re a water quality testing company or environmental testing company monitoring for natural toxins and chemicals in public water supplies or a food manufacturer testing products for contaminants, your ability to protect public health depends on accurate, dependable data.

Fortunately, our scientific staff has experience in a variety of industrial and academic applications. We can customize programs to serve our clients’ specific needs, while still offering competitive pricing and maintaining high quality standards. In addition to being a top ELISA kit manufacturer, we offer a wide range of related services and products, such as proficiency testing, training and instrument services to support your testing needs.

We are headquartered in the United States and serve customers, directly or through distributors, in more than 100 countries. To learn more about our capabilities, contact us today. We’re ready to answer questions and help find the solutions that are right for you.

Global Provider of Diagnostic Test Kits and Instruments

Gold Standard Diagnostics is a global network of companies with decades of experience on the test kit, reagent and instrument development and manufacturing market.

We provide fast, reliable, and easy to use diagnostic assays and instruments in the fields of bioanalytical testing for the food, feed, environmental, biopharma, animal health and clinical industries.

Our brand name underlines our ambition to provide Gold Standard, the best possible laboratory diagnostic solutions with all our applications.

We are deeply engaged in the innovative development, quality manufacturing, and the outstanding commercialization of diagnostic solutions.

The in-house R&D teams have expertise in developing a wide range of innovative methods and applications to meet the testing needs of both research and industry. Our experts are able to customize programs to serve specific needs with competitive pricing and high quality standards.

News

1/13/2026

NEW!!!!! ABRAXIS® Mix Standards for EPA Methods

Gold Standard Diagnostics Horsham, a leader in developing, manufacturing, and marketing rapid environmental, food, and life sciences test systems, is proud to announce the launch of their new standard mixes for US EPA Method 544 (Microcystins/Nodularin by LC-MS) and Method 545 (Cylindrospermopsin/Anatoxin-a by LC-MS).

9/17/2025

NEW!!!! ABRAXIS® Patulin Dipstick Test Kit

Gold Standard Diagnostics Horsham LLC is proud to announce the launch of our new Patulin Lateral Flow Test Strip Test Kits for the detection of Patulin in applesauce, apple juice/cider, pear puree, and pear juice.