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Zircon Marine
Zircon Marine owns and operates a Nigerian-flag fleet of offshore support vessels serving Gulf of Guinea oil majors since 1990.
Zircon Marine
Founded in 1990, Zircon Marine started as a ship-chandling and agency operation in Lagos before Group Managing Director Okey Nzenwa pivoted the firm toward owning and operating offshore support vessels. The shift came as Nigeria's oil majors deepened their move into offshore production and required reliable local logistics partners who could navigate the Niger Delta's security and regulatory landscape. Zircon is not a family office — it operates as a private Nigerian marine asset manager with a concentrated owner-operator structure. The firm's fleet of roughly 30 vessels includes platform supply vessels, anchor-handling tug supply vessels, security escort vessels, and fast crew boats. Confirmed charter counterparties include TotalEnergies, Shell and Chevron across their Nigerian deepwater blocks (per public record). Zircon handles the full crewing, maintenance and compliance chain — it does not sub-charter or act as a broker. Geographic concentration is entirely within the Gulf of Guinea, with the operational hub in Warri and the commercial base in Lagos. Zircon Marine also operates a fabrication yard and an engineering division that supports its own fleet refurbishment, alongside a small training academy for Nigerian seafarers. In 2022 the firm placed an order for two newbuild crew boats from a local shipyard, signaling a push toward vessel replacement with Nigerian-built hulls (per Ships & Ports, 2022). Its sister entity, Zircon Marine & Shipping Services, handles agency work at Lagos and Warri ports, but the vessel-owning arm drives the economics. Zircon's structural differentiator is flag-state: it operates entirely under the Nigerian flag with Nigerian crew, while most competitors in its tonnage class register ships in Panama or Liberia and fly in expatriate officers. That local-crew mandate — enforced by Nigeria's Coastal and Inland Shipping Act for certain contracts — means Zircon carries higher training costs but avoids the currency-mismatch and visa friction that plague foreign-owned operators. The firm's long-duration charters also embed it inside the production economics of fields that will produce for another decade or more.
General information
Firm type
Asset Manager
Year founded
1990
AUM
Undisclosed
Location
Region
Africa
Country
Nigeria
City
Lagos
Corporate office
Lagos, Nigeria
Additional offices
Warri, Nigeria
Principals
Okey Nzenwa
Group Managing Director
Sector focus
Frequently asked questions
Who runs Zircon Marine?
The Group Managing Director is Okey Nzenwa, who founded the firm in 1990 and led its pivot from ship-chandling into vessel ownership. He remains the dominant operational decision-maker, with a flat organizational structure reported by industry contacts.
How does Zircon Marine source its vessel contracts?
Virtually all contracts come through competitive tenders or direct negotiations with oil majors operating in Nigeria's deepwater blocks. The firm's 30-year operating history in the Gulf of Guinea and its extensive compliance record with Nigerian local-content requirements give it an incumbent advantage that new entrants find difficult to replicate.
Does Zircon Marine own or lease its vessels?
The firm owns the majority of its 30-vessel fleet, with a small number of bareboat charters. Ownership gives it control over crewing, maintenance and mobilization timelines — a material advantage in a region where vessel availability is frequently disrupted by security events and customs delays.
Is Zircon Marine a family office?
No. Zircon Marine is an operating company — a private Nigerian marine logistics firm with a concentrated owner-operator structure. It is not known to manage a diversified portfolio of financial assets or function as a wealth-preservation vehicle for the Nzenwa family.
What is the firm's known posture on expansion outside Nigeria?
Zircon has not publicly disclosed any expansion into other West African markets. Its operational footprint is concentrated in the Gulf of Guinea, with Nigerian-flag vessels that are legally restricted from operating foreign routes under certain cabotage waivers. Industry reports occasionally mention prospective Ghana or Angola entries, but no confirmed deployments exist.
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