Owned by the Sir Robert McAlpine family trust, Hertfordshire-based RES develops, constructs and operates renewable energy projects worldwide. Last year, it sold its Japanese division to Australian investment firm Macquarie for an undisclosed sum to complete the restructuring of its operations begun in 2016. Under chief executive Ivor Catto, 51, turnover grew 17% to £886m in 2017 as the group built more sites in America and sold a number of UK developments.

This profile reflects the company at time of publication and does not reflect any changes that may have subsequently occurred. Fast Track and its sponsors do not endorse, guarantee or recommend investment in any of the companies.

Company details
Year2018
Rank68
CompanyRES
ActivityRenewable energy developer
LocationHertfordshire
Sales £m886
Profit £m103
Year endOct 17
Principal shareholdersMcAlpine Trusts (100%)
Staff1,602
Founded1982
Websitewww.res-group.com

If applicable:

* Supplied by company † Annualised figure