Legal & privacy
Updated 30 September 2026
Understand who provides your service, how we handle data, and how to reach us.
United States & rest of world
Sunzu, Inc.
Our Delaware parent company provides services to US customers and the rest of the world outside the UK, Switzerland and EEA.
US company details →UK, Switzerland & EEA
Alpha Base OS Ltd
Our wholly owned UK subsidiary provides services to customers in the UK, Switzerland and EEA.
European company details →Your order or signed agreement identifies your contracting company. Your location while browsing does not change an existing agreement or your privacy rights.
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Customer agreements
Our proposed business terms distinguish pay-as-you-go research from enterprise engagements. These drafts are available for review and are not yet effective. The supplier and transfer schedules must be completed before the DPA is used. Existing customer commitments continue to apply.
EU GDPR representative
Elkyn Europe OÜ, an Estonian company (registry code 16448398), is the appointed representative of Alpha Base OS Ltd under Article 27 of the EU GDPR. This appointment concerns Alpha Base OS Ltd; it does not appoint Elkyn Europe OÜ for Sunzu, Inc. or make Elkyn Europe OÜ your service provider.
Contact the representative directly at gdpr@elkyn.com or by post: Elkyn Europe OÜ, GDPR Representative, Ahtri tn 12, 10151 Tallinn, Estonia. This is the representative’s designated correspondence address. You may contact the representative directly without first contacting Sunzu.