About Mainstay
Independent marine consulting, investigations and operational advisory services across the Caribbean marine sector.
Mainstay Consulting Group Ltd. provides independent marine consulting, investigative and operational advisory services throughout the Caribbean, with a primary focus on the British Virgin Islands and Eastern Caribbean region.
Originally established around technical marine consultancy and surveying, the practice has evolved to support a broad range of operational, infrastructure, investigative and risk-related engagements across the regional marine sector.
Mainstay works across yacht and commercial vessel operations, marina and boatyard advisory, technical investigations, marine infrastructure planning, operational consulting and regulatory support for private, commercial and public-sector stakeholders.
Practical Expertise for Complex Marine Environments
Independent Perspective
Evidence-based consulting and investigative support informed by operational experience across a broad range of marine environments.
Operational Experience
Hands-on involvement spanning yacht operations, marinas, infrastructure, investigations and technical advisory engagements.
Caribbean Focus
Regional expertise shaped by the logistical, regulatory and environmental realities of Caribbean marine operations.
Multidisciplinary Capability
A broad operational perspective integrating technical, investigative, infrastructure and advisory disciplines.
Professional Affiliations & Industry Involvement
RVIPF
Royal Virgin Islands Police Force
MABVI
Marine Association of the BVI
MECAL
MECAL - A UK Maritime and Coast Guard (MCA) Certifying Authority
Nanny Cay
Nanny Cay - The centre of yachting excellence in the Caribbean.
ABYC
American Boat and Yacht Council
IIMS
International Institute of Marine Surveying
IRI
IRI - The Marshall Islands Shipping Registry
ACMS
Association of Certified Marine Surveyors
IAMI
International Association of Marine Investigators
Meet The Team
Geographic Reach
Mainstay supports marine consulting, investigative and operational engagements throughout the Caribbean, with a primary operational focus on the British Virgin Islands and Eastern Caribbean region.
Additional support may be provided internationally depending on project requirements.
British Virgin Islands
Eastern Caribbean | Wider Caribbean | International Support
British Virgin Islands
Primary operational base and core service region.
Eastern Caribbean
Regional operational and advisory support across marine and infrastructure environments.
Wider Caribbean
Project-based consulting, investigative and operational support.
International Support
Selective support outside the Caribbean based on project requirements.
Operational Perspective
Mainstay was established around the belief that Caribbean marine operations increasingly require technically informed, multidisciplinary and operationally grounded advisory support.
Our work emphasizes practical experience, independent assessment and familiarity with the operational realities of marine environments throughout the region.