Jacobs Solutions Inc. is an American international technical professional services firm. The company provides engineering, technical, professional and construction services, as well as scientific and specialty consulting for a broad range of clients globally, including companies, organizations, and government agencies. Jacobs has consistently ranked No. 1 on both Engineering News-Record (ENR)'s 2018, 2019, 2020, 2021, 2022 and 2023 Top 500 Design Firms and Trenchless Technology’s 2018, 2019, 2020 and 2021 Top 50 Trenchless Engineering Firms. Its worldwide annual revenue reached over $14 billion in the 2021 fiscal year, and earnings rose to $477 million.

Sir Alexander Gibb & Partners was a British firm of consulting civil engineers, founded in 1922 by Sir Alexander Gibb, and initially headquartered in London before moving west to Reading in Berkshire in 1974 to the former site of Suttons Seeds. In 1989, the firm merged with Atlanta, Georgia-based Law Engineering and Environmental Services. In 2001 Law sold the Gibb business to another US-based firm, Jacobs Engineering Group.