United Kingdom (Headquarters): eSubstance Ltd trading as Ink
Registered & Trading Address
Blackburn House,
Blackburn Road,
London NW6 1RZ,
United Kingdom
Company Number: 03829537
Tax Registration Number: GB 907 9886 64

United States: Ink Publishing Corporation
Registered Address
2711 Centerville Road,
Wilmington,
Newcastle,
Delaware,
19808 USA
Trading Address
806 Douglas Road
Suite 409, Suite 300,
Coral Gables, FL 33134, USA
Company Number: 4159939
Tax Registration Number: EIN  42-1707939
Offices located in Atlanta and Miami

Brazil: Ink do Brasil Serviços de Consultoria de Media e Mercadologia Ltda
Registered Address
Rua Pereira da Nóbrega 345 – casa 5 – CEP 01549-020 – Vila Monumento
Brazil
Company Number:IE 142.692.045.117
Tax Registration Number: CNJP 18.678.784/0001-77

Singapore: Ink Publishing PTE LTD
Registered Address
179 Toa Payoh Central
#20-464
Singapore 310179
Company Number: 200511537W
Tax Registration Number: 200511537W