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great people, great work, real results Sequani’s heritage spans more than 50 years when a company called Toxicol Laboratories opened for business in London. A little while later the company moved to the current site in Ledbury’s Bromyard Road. Toxicol Laboratories then joined with Quintiles and the foundations were laid for the company as it is today. The name Sequani dates back to the year 2000 when, after seven years of association with Quintiles, the company changed ownership under a new identity. The name Sequani comes from a Celtic tribe made famous for harrying invading Romans during their suppression of Gaul. We feel the name is apt as we too give the big boys a run for their money! We achieve this by working closely with you to deliver flexible and fast solutions that help keep your development programmes on schedule. Our customer feedback consistently shows that the service and commitment our clients enjoy is the most personal and direct in the business. But we take none of this for granted. Our focus is continuous improvement so that we carry on growing through the repeat business of loyal customers as well as attracting business from new clients.

Sequani Questions

The Sequani annual revenue was $22.3 million in 2026.

Sarra Laycock is the COO of Sequani.

89 people are employed at Sequani.

The NAICS codes for Sequani are [5417, 54, 54171, 541715, 541].

The SIC codes for Sequani are [873, 87].

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