Sub Processors
| Sub-processor | Nature and purposes of processing & transfer | Location of processing (and, where applicable, transfer) |
| Access Paysuite Ltd (Smart Debit) | Direct Debit collector provider | UK |
| Adyen | Payment provider | Global |
| Alcon | Contact lens supplier | EEA |
| Amazon Web Services | Cloud hosting | North America |
| Amazon Web Services | Email gateway | EEA |
| Avre (Lockbee) | Backup services | EEA |
| Bausch & Lomb | Contact lens supplier | EEA |
| BGC | Payment provider | EEA |
| Bi-Optical | Data Analyses Dashboard | EEA |
| Cloud Retail Systems A/S | Backup services | EEA |
| Clover | Payment provider | Global |
| Cologix | CoLo Hosting Provider | Canada |
| Cooper Vision | Contact lens supplier | EEA |
| Datadog | Cloud monitoring services | EEA/North America |
| DataNext | Marketing Services processor for Zeiss | EEA |
| Essilor (Opsysweb) | Lens supplier | EEA |
| Evoli | Insurance provider | EEA |
| Exact Online | Accounting program | EEA |
| Extern IT | CoLo Hosting Provider | EEA |
| EyeDiagnostics | Referral service (eye doctors) | EEA |
| First Nationwide | Payment provider | EEA/UK/North America |
| GfK | Sales Analyses Dashboard | EEA |
| Go Cardless | Direct Debit collector provider | EEA/UK |
| Hawkstone (Alliance Optikk Pure Optical Lenses) | Lens supplier | EEA |
| Hoya (iLog) | Lens supplier | EEA |
| Immitz | Marketing Services | EEA |
| Independent Development Contractors | Applications Development and Support | Brazil, EEA, UK, North America |
| InfoBip | SMS Gateway Provider | EEA/UK/North America |
| Infomedics | Care Claims | EEA |
| Interconnect | CoLo Hosting Provider | EEA |
| Jill Marketing | Marketing Services | EEA |
| Johnson & Johnson | Contact lens supplier | EEA |
| Kontak | Marketing Services | EEA |
| Link Mobility | SMS Gateway Provider (Legacy PMS Optimal) | EEA |
| Liquidweb | Website hosting provider | US |
| LoyaltyLab | Marketing Services | EEA |
| Mandrill | Email gateway | US |
| Marknadsinformation | Postcode/Social Security Lookup | EEA |
| Microsoft Azure | Cloud hosting | EEA/UK/North America |
| muSharp | Development/Maintenance WebSites/eCom solutions | Pakistan |
| Nets | Payment provider | EEA |
| Netsuite | Accounting software | Global |
| Nexcess | Website hosting provider | UK |
| Optitrade | Care Claims | EEA |
| Rodenstock (CNXT) | Lens supplier | EEA |
| Salesforce | CRM | EEA |
| Sendgrid | Email gateway | EEA |
| Siteground | Website hosting provider | UK, EEA |
| Solid Försäkring | Insurance provider | EEA |
| Sonalake | Development and Support Services | EEA |
| Spryng | SMS Gateway Provider | EEA |
| Strato HiDrive | Backup | EEA |
| Text Anywhere | SMS Gateway Provider | UK |
| Tieto Evry | Regwash services | EEA |
| Twinfield | Accounting program | EEA |
| Veriphone | Payment provider | EEA |
| Viatel | CoLo Hosting Provider | EEA |
| Vipps | Payment provider | EEA |
| Visma (Synologen) | Central invoicing | EEA |
| Zeiss (Visustore) | Lens supplier | EEA |
| Zeiss ++ | Marketing Services | EEA |