Company lists · Data refreshed September 2026
Top 25 Subsea consulting firms based in Nigeria
RevenueBase identified 407 company matches for subsea consulting firms associated with Nigeria as of September 2026 and tracks 5,632 professional contacts across them, including 687 with verified work emails. Port Harcourt is the largest hub.
This list covers company matches for subsea consulting firms associated with Nigeria, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest subsea consulting firms based in Nigeria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 409 contacts → | ||||
Exact match “HydroDive provides a broad range of Marine Vessels, Air, Mixed Gas and Saturation Diving, ROV, AUV and Survey Services primarily to the offshore & inshore Petroleum Industry of…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 315 contacts → | ||||
Exact match “Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 243 contacts → | ||||
Exact match “Ariosh delivers engineering and construction services in the onshore, offshore and subsea segment of the oil and gas sector in Nigeria, West Africa.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 140 contacts → | ||||
Exact match “Laser Engineering is a Petroleum Engineering Consultancy outfit specializing in surface and subsurface studies including well test services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 139 contacts → | ||||
Exact match “Kohasa Engineering Company Limited is an oil and energy company based out of Plot 474, Trans Amadi industrial layout, Port Harcourt, RIVERS, Nigeria.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 119 contacts → | ||||
Exact match “Jimcol Resources Nigeria Limited is an indigenous company incorporated in 1990.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 114 contacts → | ||||
Exact match “Arion Energy Services is an engineering, projects, and operations service provider to the oil and gas, power and maritime industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 75 contacts → | ||||
Exact match “NATONY LIMITED RC.105963 is a Nigerian Contracting Company Engaged in Civil, Mechanical Fabrications and Installation, Electrical and Instrumentation, Diving / Remote Operated…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 73 contacts → | ||||
Exact match “AOECL provides Drilling & Well completion, Manpower, Procurement, Dredging, Inspection, and EPCI services (Engineering, Procurement, Technical Consultancy, Facility Maintenance…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 72 contacts → | ||||
Exact match “PESO Energy Services is a leader in the Oil and Gas services industry, specializing in Engineering Services, Early Production Facility Packages, Oil Field Services, Specialized…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 70 contacts → | ||||
Exact match “ELPER has built in time, a strong international network, and a specialized engineering company, providing services ranging from Engineering Procurement & Construction to Marine…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 67 contacts → | ||||
Exact match “Crestech is an Engineering Design and Project Management Company with its head office in Victoria Island, Lagos, Nigeria.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 58 contacts → | ||||
Exact match “FRAZIMEX ENGINEERING LIMITED, a member of Oilserv group was incorporated in 2005 under the laws of the Federal republic of Nigeria as a private limited liability company that…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 56 contacts → | ||||
Exact match “Sellafield Energy is a leading oil and gas support provider that has within a short time, emerged as a reference point in recruitment services and technical manpower support…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 48 contacts → | ||||
Exact match “Oil and Gas servicing company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 48 contacts → | ||||
Exact match “DeltaTek Offshore Ltd is a leading Engineering, Procurement, Installation, Construction, and Commissioning (EPICC) service provider in the oil and gas sector of Sub-Sahara Africa.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 48 contacts → | ||||
Exact match “With headquarters in Lagos, Nigeria, NigerStar7 is a company wholly owned by Subsea7.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 45 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 45 contacts → | ||||
Exact match “New Energy Services Company Limited (NESSCO) is a 100% Nigerian owned company incorporated in 2003.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 40 contacts → | ||||
Exact match “True-Blue Energy Services Limited, a fully indigenous oil and gas services company in Nigeria with proven capacity for supporting clients/major projects in Onshore and Offshore…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 40 contacts → | ||||
Exact match “G.O.S.L NIGERIA LIMITED is an indigenous company incorporated in Nigeria that has evolved into a leading front-end company providing a range of offshore survey and support…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 35 contacts → | ||||
Exact match “Gremoore, established in 2013, is a 100% Nigerian company and a leading indigenous provider of offshore engineering, procurement, fabrication, installation associated with…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 35 contacts → | ||||
Exact match “The ‘ALPHA’S DEN’ is a hub of professional and well experienced Alpha’s, championing their fields while collectively making up a provider of fit-for-purpose services to clients…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 31 contacts → | ||||
Exact match “Benel Energy is a knowledge driven organisation that provides technical and innovative solutions to the oil and gas industry in the Gulf of Guinea.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 30 contacts → | ||||
Exact match “Overview Subsea100 Global(SHG), established in 2011, is a leading independent Offshore Services Contractor providing a range of Geophysical, Geotechnical and Subsea related…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “subsea consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 407 subsea consulting firms based in Nigeria
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Subsea consulting firms based in Nigeria at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 407 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Nigeria whose business descriptions match “subsea consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 687 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Subsea consulting firms by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “subsea consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subsea consulting firms are there based in Nigeria?
RevenueBase identified 407 company matches for subsea consulting firms associated with Nigeria as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Hydrodive Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most subsea consulting firms?
Port Harcourt leads with 93 company records, followed by Lagos (84) and Lagos State (33).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 687 professional contacts with verified work emails tracked across these 407 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 407 subsea consulting firms based in Nigeria. Start with a free account, no credit card.
Download this list →Related lists
Subsea consulting firms by geography
- Subsea consulting firms based in Perth, Australia
- Subsea consulting firms based in Rio De Janeiro, Brazil
- Subsea consulting firms based in Calgary, Canada
- Subsea consulting firms based in Hamburg, Germany
- Subsea consulting firms based in Mumbai, India
- Subsea consulting firms based in Kuala Lumpur, Malaysia
- Subsea consulting firms based in Rotterdam, Netherlands
- Subsea consulting firms based in Lagos, Nigeria
- Subsea consulting firms based in Port Harcourt, Nigeria
- Subsea consulting firms based in Oslo, Norway
- Subsea consulting firms based in Stavanger, Norway
- Subsea consulting firms based in Singapore, Singapore
Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsea consulting firms based in Perth, Australia
- Subsea consulting firms based in Rio De Janeiro, Brazil
- Subsea consulting firms based in Calgary, Canada
- Subsea consulting firms based in Hamburg, Germany
- Subsea consulting firms based in Mumbai, India
- Subsea consulting firms based in Kuala Lumpur, Malaysia
Company intelligence · public preview
Top 25 subsea consulting firms based in Nigeria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 407 matching company records for subsea consulting firms based in Nigeria, with 5,632 tracked contacts and 687 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 subsea consulting firms based in Nigeria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Hydrodive Grouphydrodive.comHQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 409 contacts → |
“HydroDive provides a broad range of Marine Vessels, Air, Mixed Gas and Saturation Diving, ROV, AUV and Survey Services primarily to the offshore & inshore Petroleum Industry of…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Dover Engineering Limiteddoverengineering.comHQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 315 contacts → |
“Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Arioshariosh.comHQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 243 contacts → |
“Ariosh delivers engineering and construction services in the onshore, offshore and subsea segment of the oil and gas sector in Nigeria, West Africa.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Port-harcourt, NigeriaReported employees: 51-200 | Port-harcourt, Nigeria | 51-200 | Exact match | 140 contacts → |
“Laser Engineering is a Petroleum Engineering Consultancy outfit specializing in surface and subsurface studies including well test services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Kohasa Engineering Company Limitedkohasaeng.comHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 139 contacts → |
“Kohasa Engineering Company Limited is an oil and energy company based out of Plot 474, Trans Amadi industrial layout, Port Harcourt, RIVERS, Nigeria.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Jimcol Resources Nigeria Limitedjimcolresources.comHQ: Portharcourt, NigeriaReported employees: 51-200 | Portharcourt, Nigeria | 51-200 | Exact match | 119 contacts → |
“Jimcol Resources Nigeria Limited is an indigenous company incorporated in 1990.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Arion Energy Services Limitedarionenergyservices.comHQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 114 contacts → |
“Arion Energy Services is an engineering, projects, and operations service provider to the oil and gas, power and maritime industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Natony Limitednatonyltd.comHQ: Warri, NigeriaReported employees: 51-200 | Warri, Nigeria | 51-200 | Exact match | 75 contacts → |
“NATONY LIMITED RC.105963 is a Nigerian Contracting Company Engaged in Civil, Mechanical Fabrications and Installation, Electrical and Instrumentation, Diving / Remote Operated…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aviam Offshore Engineering Company Limitedaviamng.comHQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 73 contacts → |
“AOECL provides Drilling & Well completion, Manpower, Procurement, Dredging, Inspection, and EPCI services (Engineering, Procurement, Technical Consultancy, Facility Maintenance…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Peso Energy Servicespesoenergy.comHQ: Lekki Phase 1, NigeriaReported employees: 201-500 | Lekki Phase 1, Nigeria | 201-500 | Exact match | 72 contacts → |
“PESO Energy Services is a leader in the Oil and Gas services industry, specializing in Engineering Services, Early Production Facility Packages, Oil Field Services, Specialized…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Elper Oilfield Engineeringelpernigeria.comHQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 70 contacts → |
“ELPER has built in time, a strong international network, and a specialized engineering company, providing services ranging from Engineering Procurement & Construction to Marine…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Crestech Engineering Limited, Lagos - Nigeriacrestechengineering.comHQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 67 contacts → |
“Crestech is an Engineering Design and Project Management Company with its head office in Victoria Island, Lagos, Nigeria.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Frazimex Engineering Limitedfrazimex.comHQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 58 contacts → |
“FRAZIMEX ENGINEERING LIMITED, a member of Oilserv group was incorporated in 2005 under the laws of the Federal republic of Nigeria as a private limited liability company that…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sellafield Energysellafieldenergy.comHQ: Lekki, NigeriaReported employees: 11-50 | Lekki, Nigeria | 11-50 | Exact match | 56 contacts → |
“Sellafield Energy is a leading oil and gas support provider that has within a short time, emerged as a reference point in recruitment services and technical manpower support…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Field Offshore Design Engineering LTDfode-ltd.comHQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 48 contacts → |
“Oil and Gas servicing company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Deltatek Offshore Limiteddeltatekoffshore.comHQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 48 contacts → |
“DeltaTek Offshore Ltd is a leading Engineering, Procurement, Installation, Construction, and Commissioning (EPICC) service provider in the oil and gas sector of Sub-Sahara Africa.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nigerstar7 Limitednigerstar7.comHQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 48 contacts → |
“With headquarters in Lagos, Nigeria, NigerStar7 is a company wholly owned by Subsea7.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Melcurt Limitedmelcurtltd.comHQ: Osubi-warri, NigeriaReported employees: 201-500 | Osubi-warri, Nigeria | 201-500 | Exact match | 45 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  NEW Energy Services Company Limitednesscong.orgHQ: Victoria Island, NigeriaReported employees: 51-200 | Victoria Island, Nigeria | 51-200 | Exact match | 45 contacts → |
“New Energy Services Company Limited (NESSCO) is a 100% Nigerian owned company incorporated in 2003.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  True-Blue Energy Services Limitedtrueblueenergy.comHQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 40 contacts → |
“True-Blue Energy Services Limited, a fully indigenous oil and gas services company in Nigeria with proven capacity for supporting clients/major projects in Onshore and Offshore…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  G.O.S.L Nigeria Limitedgoslng.comHQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 40 contacts → |
“G.O.S.L NIGERIA LIMITED is an indigenous company incorporated in Nigeria that has evolved into a leading front-end company providing a range of offshore survey and support…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Gremoore Limitedgremoore.comHQ: Lekki Phase 1, NigeriaReported employees: 501-1,000 | Lekki Phase 1, Nigeria | 501-1,000 | Exact match | 35 contacts → |
“Gremoore, established in 2013, is a 100% Nigerian company and a leading indigenous provider of offshore engineering, procurement, fabrication, installation associated with…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Alphaden Energy & Oilfield Limitedalphadenenergy.comHQ: Victoria Island, NigeriaReported employees: 51-200 | Victoria Island, Nigeria | 51-200 | Exact match | 35 contacts → |
“The ‘ALPHA’S DEN’ is a hub of professional and well experienced Alpha’s, championing their fields while collectively making up a provider of fit-for-purpose services to clients…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Benel Energy Resourcesbenelenergy.comHQ: Lekki Phase 1, NigeriaReported employees: 11-50 | Lekki Phase 1, Nigeria | 11-50 | Exact match | 31 contacts → |
“Benel Energy is a knowledge driven organisation that provides technical and innovative solutions to the oil and gas industry in the Gulf of Guinea.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Subsea100 Globalsubsea100.comHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 30 contacts → |
“Overview Subsea100 Global(SHG), established in 2011, is a leading independent Offshore Services Contractor providing a range of Geophysical, Geotechnical and Subsea related…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 407 company matches
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Subsea consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
406 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 407 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Subsea consulting firms by metro
Questions about this company list
What does Exact match mean for subsea consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many subsea consulting firms did RevenueBase find based in Nigeria?
The saved snapshot records 407 matching company records, 5,632 tracked contacts and 687 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Subsea consulting firms by geography
- Subsea consulting firms based in Perth, Australia
- Subsea consulting firms based in Rio De Janeiro, Brazil
- Subsea consulting firms based in Calgary, Canada
- Subsea consulting firms based in Hamburg, Germany
- Subsea consulting firms based in Mumbai, India
- Subsea consulting firms based in Kuala Lumpur, Malaysia
- Subsea consulting firms based in Rotterdam, Netherlands
- Subsea consulting firms based in Lagos, Nigeria
- Subsea consulting firms based in Port Harcourt, Nigeria
- Subsea consulting firms based in Oslo, Norway
- Subsea consulting firms based in Stavanger, Norway
- Subsea consulting firms based in Singapore, Singapore
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 subsea consulting firms based in Nigeria. Snapshot: September 29, 2026. https://revenuebase.ai/companies/subsea-consulting-firms/nigeria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsea consulting firms based in Perth, Australia
- Subsea consulting firms based in Rio De Janeiro, Brazil
- Subsea consulting firms based in Calgary, Canada
- Subsea consulting firms based in Hamburg, Germany
- Subsea consulting firms based in Mumbai, India
- Subsea consulting firms based in Kuala Lumpur, Malaysia
Company intelligence · public preview
Top 25 subsea consulting firms based in Nigeria
RevenueBase records 407 matching company records for subsea consulting firms based in Nigeria, with 5,632 tracked contacts and 687 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 subsea consulting firms based in Nigeria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Hydrodive Grouphydrodive.com HQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 409 contacts → |
“HydroDive provides a broad range of Marine Vessels, Air, Mixed Gas and Saturation Diving, ROV, AUV and Survey Services primarily to the offshore & inshore Petroleum Industry of…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Dover Engineering Limiteddoverengineering.com HQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 315 contacts → |
“Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Arioshariosh.com HQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 243 contacts → |
“Ariosh delivers engineering and construction services in the onshore, offshore and subsea segment of the oil and gas sector in Nigeria, West Africa.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Port-harcourt, NigeriaReported employees: 51-200 | Port-harcourt, Nigeria | 51-200 | Exact match | 140 contacts → |
“Laser Engineering is a Petroleum Engineering Consultancy outfit specializing in surface and subsurface studies including well test services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kohasa Engineering Company Limitedkohasaeng.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 139 contacts → |
“Kohasa Engineering Company Limited is an oil and energy company based out of Plot 474, Trans Amadi industrial layout, Port Harcourt, RIVERS, Nigeria.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Jimcol Resources Nigeria Limitedjimcolresources.com HQ: Portharcourt, NigeriaReported employees: 51-200 | Portharcourt, Nigeria | 51-200 | Exact match | 119 contacts → |
“Jimcol Resources Nigeria Limited is an indigenous company incorporated in 1990.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Arion Energy Services Limitedarionenergyservices.com HQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 114 contacts → |
“Arion Energy Services is an engineering, projects, and operations service provider to the oil and gas, power and maritime industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Natony Limitednatonyltd.com HQ: Warri, NigeriaReported employees: 51-200 | Warri, Nigeria | 51-200 | Exact match | 75 contacts → |
“NATONY LIMITED RC.105963 is a Nigerian Contracting Company Engaged in Civil, Mechanical Fabrications and Installation, Electrical and Instrumentation, Diving / Remote Operated…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aviam Offshore Engineering Company Limitedaviamng.com HQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 73 contacts → |
“AOECL provides Drilling & Well completion, Manpower, Procurement, Dredging, Inspection, and EPCI services (Engineering, Procurement, Technical Consultancy, Facility Maintenance…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Peso Energy Servicespesoenergy.com HQ: Lekki Phase 1, NigeriaReported employees: 201-500 | Lekki Phase 1, Nigeria | 201-500 | Exact match | 72 contacts → |
“PESO Energy Services is a leader in the Oil and Gas services industry, specializing in Engineering Services, Early Production Facility Packages, Oil Field Services, Specialized…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Elper Oilfield Engineeringelpernigeria.com HQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 70 contacts → |
“ELPER has built in time, a strong international network, and a specialized engineering company, providing services ranging from Engineering Procurement & Construction to Marine…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Crestech Engineering Limited, Lagos - Nigeriacrestechengineering.com HQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 67 contacts → |
“Crestech is an Engineering Design and Project Management Company with its head office in Victoria Island, Lagos, Nigeria.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Frazimex Engineering Limitedfrazimex.com HQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 58 contacts → |
“FRAZIMEX ENGINEERING LIMITED, a member of Oilserv group was incorporated in 2005 under the laws of the Federal republic of Nigeria as a private limited liability company that…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sellafield Energysellafieldenergy.com HQ: Lekki, NigeriaReported employees: 11-50 | Lekki, Nigeria | 11-50 | Exact match | 56 contacts → |
“Sellafield Energy is a leading oil and gas support provider that has within a short time, emerged as a reference point in recruitment services and technical manpower support…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Field Offshore Design Engineering LTDfode-ltd.com HQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 48 contacts → |
“Oil and Gas servicing company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Deltatek Offshore Limiteddeltatekoffshore.com HQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 48 contacts → |
“DeltaTek Offshore Ltd is a leading Engineering, Procurement, Installation, Construction, and Commissioning (EPICC) service provider in the oil and gas sector of Sub-Sahara Africa.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nigerstar7 Limitednigerstar7.com HQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 48 contacts → |
“With headquarters in Lagos, Nigeria, NigerStar7 is a company wholly owned by Subsea7.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Melcurt Limitedmelcurtltd.com HQ: Osubi-warri, NigeriaReported employees: 201-500 | Osubi-warri, Nigeria | 201-500 | Exact match | 45 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | NEW Energy Services Company Limitednesscong.org HQ: Victoria Island, NigeriaReported employees: 51-200 | Victoria Island, Nigeria | 51-200 | Exact match | 45 contacts → |
“New Energy Services Company Limited (NESSCO) is a 100% Nigerian owned company incorporated in 2003.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | True-Blue Energy Services Limitedtrueblueenergy.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 40 contacts → |
“True-Blue Energy Services Limited, a fully indigenous oil and gas services company in Nigeria with proven capacity for supporting clients/major projects in Onshore and Offshore…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | G.O.S.L Nigeria Limitedgoslng.com HQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 40 contacts → |
“G.O.S.L NIGERIA LIMITED is an indigenous company incorporated in Nigeria that has evolved into a leading front-end company providing a range of offshore survey and support…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Gremoore Limitedgremoore.com HQ: Lekki Phase 1, NigeriaReported employees: 501-1,000 | Lekki Phase 1, Nigeria | 501-1,000 | Exact match | 35 contacts → |
“Gremoore, established in 2013, is a 100% Nigerian company and a leading indigenous provider of offshore engineering, procurement, fabrication, installation associated with…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Alphaden Energy & Oilfield Limitedalphadenenergy.com HQ: Victoria Island, NigeriaReported employees: 51-200 | Victoria Island, Nigeria | 51-200 | Exact match | 35 contacts → |
“The ‘ALPHA’S DEN’ is a hub of professional and well experienced Alpha’s, championing their fields while collectively making up a provider of fit-for-purpose services to clients…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Benel Energy Resourcesbenelenergy.com HQ: Lekki Phase 1, NigeriaReported employees: 11-50 | Lekki Phase 1, Nigeria | 11-50 | Exact match | 31 contacts → |
“Benel Energy is a knowledge driven organisation that provides technical and innovative solutions to the oil and gas industry in the Gulf of Guinea.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Subsea100 Globalsubsea100.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 30 contacts → |
“Overview Subsea100 Global(SHG), established in 2011, is a leading independent Offshore Services Contractor providing a range of Geophysical, Geotechnical and Subsea related…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 407 company matches
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Subsea consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
406 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 407 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Subsea consulting firms by metro
Questions about this company list
What does Exact match mean for subsea consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many subsea consulting firms did RevenueBase find based in Nigeria?
The saved snapshot records 407 matching company records, 5,632 tracked contacts and 687 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 subsea consulting firms based in Nigeria. Snapshot: September 29, 2026. https://revenuebase.ai/companies/subsea-consulting-firms/nigeria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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