International business consultants

Providing navigational, strategic and growth advice


Nautilus Associates is a management consultancy specialising in offshore and subsea systems and technologies, with a track record of supporting innovative businesses and technology development.

Effective 1st October 2019, its consulting business was acquired by Opergy Ltd., through a Management Buy-Out.

Through its Principal, John Balch, Nautilus delivers board-level governance and strategic advisory services in the offshore and marine sectors.


Nautilus provides:

  • Corporate Governance support
  • Chairman and Non-Executive Directorships
  • Business Advisory Services
  • Angel and VC Investment support


Registered Address

133 Finnieston Street, Glasgow, G3 8HG

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Seabed Solutions

Seabed Solution is a full-spread marine services businesses, founded in January 2019 by Martin Sisley, with investment support from Nautilus working with other experienced angel investors. Nautilus provides Executive Chairman and support services.