TRL Software, based in the United Kingdom, operates within the Business Services sector, specializing in custom software and IT services. Founded in 1933, the company has a small workforce of 1 to 10 employees and reports revenue of approximately $1.93 million. The company's primary focus is on developing advanced software solutions for analysis and modeling, particularly in the context of transportation and infrastructure. One of its notable products is HDM-4, which includes features for sensitivity analysis, budget scenario comparisons, and the estimation of social benefits. The software allows users to assess the impact of various parameters on analysis results and supports multi-criteria analysis (MCA) for project comparison across economic, safety, environmental, and social dimensions. Additionally, TRL Software has introduced HDM-Sentry, a user-friendly interface designed to assist engineers and decision-makers in conducting quick analyses of maintenance and investment options for road networks. The company emphasizes data handling and organization through updated database technology, ensuring users have access to the latest features and support.