{"slug":"attero","name":"Attero","url":"https://www.gp-intel.com/company/attero","sector":"Energy","country":"Netherlands","hq_city":null,"website":"https://www.attero.nl","founded_year":null,"ipo_year":null,"status":"pe_owned","current_owner":"Ardian","current_holder":{"name":"3i Infrastructure and DWS","names":["3i Infrastructure and DWS"],"since_year":2018,"basis":"trade_sale"},"ownership_periods":2,"ownership":[{"owner":"Waterland Private Equity","fund":"Waterland Private Equity Fund VI (WPEF VI)","fund_vintage":2015,"entry_year":2014,"exit_year":2018,"is_exit":true,"deal_type":"Trade Sale","buyer":"3i Infrastructure and DWS","moic":null,"sector":"Industrials"},{"owner":"Ardian","fund":"Ardian Infrastructure Fund VI","fund_vintage":2025,"entry_year":null,"exit_year":null,"is_exit":false,"deal_type":null,"buyer":null,"moic":null,"sector":"Energy"}],"source":"gp-intel.com","license":"CC-BY-4.0","updated_at":"2026-04-21T14:45:54.545Z"}