The employment experts

A multi award winning practice, Trevor Gilbert & Associates are the employment expert witnesses of choice for claimant and defendant lawyers

Meet the team

Respected and trusted

TGA’s chairman, Trevor Gilbert OBE, is a practising expert witness, employment analyst and career profiler, considered by many lawyers and insurance companies to be the UK’s leading employment expert witness in his field.

Read what they say

Trevor Gilbert & Associates

The employment expert witnesses of choice for claimant and defendant lawyers, Trevor Gilbert & Associates is a multi-award winning practice generally recognised as the UK’s leading provider of loss of earnings reports. We operate with a deep sense of purpose and we embody that commitment every day with our uncompromising standards for quality and our continued investment in our network, technology and our people.

Typically, we are instructed in cases of personal injury, clinical negligence, child abuse, matrimonial matters and employment tribunals (discrimination, unfair dismissal).

As six times category winner of the Personal Injury Awards (2012/2013/2015/2016/2017 and 2018), the 2019 Modern Law Awards, and voted Best Employment Expert Practice UK by Lawyer International in 2021, together with Trevor’s award of the OBE in 2016, TGA is recognised as the UK’s leading expert witness in its field.

Our promise to you is that we will always endeavour to consistently deliver solid, persuasive, reliable and informed evidence, case managed to an internationally recognised quality standard.

March 2021

Another award for Trevor and his practice from Lawyer International; ‘Best Employment Expert Witness’ and ‘Best Employment Witness practice UK 2021’

Meet the team

Meet the team

Our team has lengthy experience of preparing reports across a wide range of occupations. Our experts are fully appraised of current recruitment and employment best practice. Without exception all possess significant and real-time experience in the world of work.


Statistics provided by the Office for National Statistics’ survey, the Annual Survey of Hours and Earnings, have long been a source of data to which employment consultants have referred to forecast earnings and upon which lawyers and the courts have relied. Read about the pitfalls


Our sister company, The TRG Group, delivers a range of traditional recruitment solutions at all levels and in all sectors whether permanent, temporary,  interim or a managed service.