{"source":"Breaknorm","page":"https://breaknorm.co/company/amstein-walthert.ch","license":"https://breaknorm.co/terms","domain":"amstein-walthert.ch","name":"Amstein + Walthert Holding AG","legal_name":"Walthert Holding AG","country":"CH","country_second":"US","city":"Zürich","admin1":"Kanton Zürich","vertical":"property_construction","subvertical":"construction_and_building_engineering","leaf":"general_building_contractors","summary":"Amstein + Walthert Holding AG is a construction and building-services contractor that provides development, planning, realization and maintenance for commercial and institutional projects. It offers building services engineering, tender preparation, quality monitoring and facility management with operational optimisation. Projects include headquarters of international organisations and corporate sites.","offerings":["building services engineering","tender preparation","quality monitoring and support","operational optimisation and controlling"],"target_customers":["international organisations","corporate clients"],"business_model":["B2B"],"geo_scope":"international","headcount":"1001-5000","headcount_source":"linkedin","revenue":"50M-250M","revenue_source":"estimated","certifications":[],"langs":["en"],"linkedin":"https://www.linkedin.com/company/amstein-walthert","reviews":[],"contact_points":1,"contact_phones":0,"page_types":["privacy","home","imprint","contact","references","about"],"crawled":"2026-08-02","profiled":"2026-08-15","indexed":"2026-10-02","hiring_built":"","website_tech":["abacus","cleverreach","jpberlin","mailgun","microsoft_365","microsoft_teams","swisssign"],"hiring":{"open":0,"open_postings":0,"new_7d":0,"new_30d":0,"new_90d":0,"closed_30d":0,"countries":[]},"hiring_functions":[],"tech_jobs":[],"intents":[],"recent_postings":[],"ats":"","similar":[{"domain":"aitp.de","name":"aitp","country":"DE","city":"Chemnitz","headcount":"51-200","leaf":"general_building_contractors","summary":"aitp is a general contractor and engineering firm that plans and builds complex construction projects from planning to implementation for corporate clients."},{"domain":"harrer-ing.net","name":"Harrer Ingenieure","country":"DE","city":"Karlsruhe","headcount":"51-200","leaf":"civil_structural_engineering","summary":"Harrer Ingenieure is a consulting engineering firm that provides structural engineering, bridge, tunnel and civil engineering, and industrial and commercial bui."},{"domain":"amstork.com","name":"AMSTORK S.A.","country":"AR","city":"Sarandí","headcount":"51-200","leaf":"civil_infrastructure_contractors","summary":"AMSTORK S.A."},{"domain":"apgroup.net","name":"APG","country":"US","city":"Saint Paul","headcount":"51-200","leaf":"general_engineering_consultancy","summary":"APG is an engineering and construction services firm that provides architectural, mechanical, structural, and electrical engineering for institutional, commerci."},{"domain":"altekproje.com","name":"ALTEK","country":"TR","city":null,"headcount":"51-200","leaf":"general_building_contractors","summary":"ALTEK is a service company that provides architectural, engineering, construction and real estate contracting for individuals and companies."},{"domain":"steinerbau.at","name":"Steiner-Bau GesmbH","country":"AT","city":"Wien","headcount":"501-1000","leaf":"civil_infrastructure_contractors","summary":"Steiner-Bau GesmbH is a construction contractor that provides high-rise and civil engineering, road construction, plant and utility construction, and building m."}],"similar_scored":596,"customers":null,"as_of":"2026-11-04","updated_at":"2026-11-04","hash":"7be36bd1c9fad660","index_tier":3}