IES Ltd is an independent and privately owned GLP-certified contract research organisation (CRO). We support our international clients by offering scientific studies to not only ensure the safety of the tested products, but also to confirm that the products adhere to the applicable international environmental guidelines.


IES Ltd is highly experienced in conducting various kinds of metabolism studies, including the identification of unknown metabolites.


IES Ltd offers a complete spectrum of bee, NTA and NTP laboratory and field studies and is also specialised in conducting higher-tier studies.


IES Ltd's key expertise includes the entire spectrum of laboratory and higher-tier environmental fate studies, using radiolabelled and non-radiolabelled test items and substances.


The development and validation of analytical methods is the key to all complex studies. Analytical techniques such as TLC, HPLC, GC-MS and LC-MS/MS are standard.


IES Ltd’s scientists have extensive experience in designing and conducting non-GLP studies to provide environmental fate data on early-stage research and development compounds.

Aquatic Ecotoxicology

IES Ltd conducts a wide range of studies in the area of aquatic ecotoxicology which are required for regulatory studies on industrial chemicals, agrochemicals, biocides, and veterinary and human pharmaceuticals worldwide.

IES Agenda 2017

Homing flight ringtest meeting, Paris, 25-26 January

IOBC workshop, Wageningen, 14-15 February

Environmental Risk Assessment for Plant Protection Products 2017, Harpenden, 21-23 March

SETAC Europe 27th Annual Meeting, Brussels, 7-11 May

Chemspec Europe, Munich, 31 May – 1 June

Fresenius AGRO Conference, Mainz, 19-20 June

CIR AgChem Forum, Nice, 6-7 September

ABIM (Annual Biocontrol Industry Meeting), Basel, 23-25 October

BCPC Congress 2017, Brighton, 31 October – 1 November

REACH Congress 2017, Düsseldorf, 21-22 November


At IES Ltd we are always looking for skilled and talented professionals.

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