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About Viscosity

Viscosity Limited was founded in 2009 in Marlborough, New Zealand. The company is owned by two shareholders David Tyney and Richard Green. David and Richard are both winemakers with over 30 years collective wine industry experience including winemaking, bottling, logistics, winery management, wine brokering and wine marketing.

Viscosity owns and produces "Cirro Wines" which are harvested and made in Marlborough, New Zealand. Cirro Wines are currently available in New Zealand and Australia with developing markets including Asia, North America and Europe. If you would like to know more information about Cirro Wines or are interested in representing Cirro Wines in your region please email us or visit

Winemaking Services

Viscosity offers full winemaking services. David and Richard have made wine in Australia, New Zealand, France, Germany and China. Our winemaking service includes:

  • vineyard and wine appraisal
  • developing winemaking protocols
  • managing the winemaking process from grape to bottle
  • case by case winemaking consultancy

Wine Brokering

Over past years Viscosity has developed a large contact and client base in New Zealand and Australia. Our brokering service includes but is not limited to:

  • confidential bulk wine sourcing and appraisal
  • client negotiations
  • bulk wine contract development
  • dispatch, delivery and receipt of goods

Export/Import Services

Viscosity 'New Zealand' and Viscosity 'Australia' can provide export/importation services for bottled or bulk wine in either New Zealand or Australia. Our export/import service includes:

  • organising receipt of goods
  • packaging and loading shipments
  • liaising with freight forwarders
  • delivery to port or warehouse
  • preparing documentation/invoicing

Contact Us

Key Contacts

David Tyney

+64 27 240 1365

Richard Green

+64 21 272 8448


New Zealand

Viscosity Ltd
PO Box 548
Blenheim, 7240
Marlborough, New Zealand


Australia Viscosity Pty Ltd
PO Box 1201
St Kilda South, 3182
Victoria, Australia

Warning under the Liquor Control Reform Act 1998 it is an offence