One Scientific Ltd is an independent food and water testing laboratory, UKAS accredited to ISO 17025 (accreditation no. 2048), with Marks & Spencer ISA and Tesco TLAS approval. Established in the 1980s, we offer a 365 day a year service to our customers.

Our technical expertise cover all aspects of food manufacturing and water service industries. We have a large customer base working with businesses from small outlets to blue chip companies. Our friendly team are on hand to answer your queries and questions in an efficient and timely manner. We offer extremely competitive pricing whilst maintaining a high quality of service. All services are delivered from our modern, well-equipped laboratory using a fully integrated Laboratory Information Management System (LIMS).

One Scientific offer testing to regulatory and industry standards with fast out of specification notification alerts at all times. We can also offer advice on legal responsibilities associated with food manufacturing and the implication of the results.

One Scientific cares about the environment and where possible recycles all plastic bottles, paper and cardboard and are continually working to introduce methods that minimise waste to landfill and our environmental impact.

One Scientific can offer the following client services:

  • Out of hours support
  • Dedicated client managers
  • Customer tailored registration systems
  • Customer tailored reporting of results

More about our friendly team of highly experienced staff below:

Tony Barrett-Jones – Managing Director

Tony has spent the last 30 years working in the laboratory industry in the food and water sectors. His extensive knowledge of microbiology and chemistry provides the solid base which the company is built on.

Sophie McElhatton – Technical Manager

Sophie, our qualified Microbiologist can provide technical support and advise on all your microbiological issues. She manages the structures and technical disciplines that are needed to ensure the laboratory maintains our high UKAS standard to BS EN ISO 17025:2005 along with compliance to M&S and Tesco requirements.

Susie Kilroe – Head of Special Projects

As a qualified Biologist, Susie has the required skills to ensure that the exacting requirements of UKAS, M&S and Tesco approvals are always met. In addition, Susie manages the structures and quality disciplines that are needed to ensure the laboratory maintains our high UKAS standard to BS EN ISO 17025:2005 along with compliance to M&S and Tesco requirements.

Kate Elliott – Client Services and Operations Manager

Kate provides friendly customer focused support which along with her technical knowledge allows her to respond to all of our customers’ differing requirements.

Andrew Bailey – Business Development Manager

Andy, joined One Scientific bringing with him many years of sales experience. By joining the team, he has strengthened our Sales and Business Development function.

Sue Fletcher – Accounts and HR Manager

Along with Tony, Sue has worked for the company since day 1 providing back office support, managing the Accounts function of the business whilst regularly liaising with our customers’ Finance Departments.

Jenny Youngs – Compliance Manager

Anna Tsoukala, PhD – Technical Manager (Chemistry)

Samantha Brown – Laboratory Services Manager

Laboratory and Office Staff

Our enthusiastic team of laboratory and office staff are trained to deliver the level of quality testing and analysis, and customer service that you would expect from One Scientific. All of our laboratory staff participate in the LGC Standards Food Proficiency Testing Scheme on a monthly basis to cover all UKAS accredited methods in a twelve month period.


Our friendly drivers collect your samples in our modern, refrigerated vehicles.