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Steve Cosslett and Kate Barr are two of the most experienced handwriting experts working in the UK, with 35 years and 26 years’ experience respectively.

They both undertook extensive training in Government Laboratories where they worked for several years prior to working together in a private company, Document Evidence Ltd, one of the first private forensic companies in the UK. In 2008 they sold Document Evidence to Key Forensic Services Ltd, one of the three main suppliers of forensic services in the UK.

In their ten years at KFS they have undertaken forensic handwriting analysis for most of the 43 Police Forces in England and Wales, the Department of Work and Pensions, HMRC, the IOPC, the CCRC, and the International Criminal Court.

Alongside this Prosecution work they have also undertaken defence work funded by the Legal Aid Authority and worked throughout the UK in the Civil and Family Courts for Claimants and Defendants.

Who are we?

Steve Cosslett and Kate Barr are both experienced single joint experts and have an unparalleled experience of court attendance.

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Free consultation

Steve and Kate offer a free advice and quotation service. They will determine whether an examination is feasible, what specimens are required and provide a written quote.

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Practice Areas

Cosslett and Barr Ltd will provide the following forensic document examination services. All the work will follow established procedures and will be peer reviewed by another scientist.

I have been updated that none of the facts were proved against our member in relation to the allegations raised about the reference. Great news and thank you again for your assistance in this matter

Legal Officer, Sunderland