IES Ltd is a privately owned, independent CRO founded in 2008.


Based in the Swiss countryside, IES offers a wide variety of studies for different scientific product markets, including agrochemicals, biocides, pharmaceuticals and chemicals.

Our Services

Our specialist areas cover the fields of environmental fate, aquatic and terrestrial ecotoxicology, animal and crop metabolism, as well as analytical chemistry testing. The team members from each of our departments are able to make use of our modern facilities.

Through harnessing the knowledge and expertise of our scientific teams, we are able to perform laboratory or environmental studies tailored specifically to your registration needs. Alongside performing studies according to the latest guidelines, we are also able to offer guidance regarding suitable further testing requirements for your products.

Our Mission

IES Ltd’s mission is to provide and develop testing solutions to support our clients in the development, registration and stewardship of products in a prompt, flexible and cost-efficient manner.

Our Vision

IES Ltd’s vision is to provide premium contract research tailored to our customers’ needs through highly personalised customer service and operational excellence in delivering outstanding scientific study reports on time and through excellent communication.