GeoSeacore
GeoSeacore is a UK-based marine solutions provider operating a modern fleet of five self-elevating jack-up barges for nearshore construction, geotechnical investigation, and offshore wind and nuclear projects. It serves enterprise clients across the UK and Europe via a core partnership with Dutch shipbuilder Neptune Marine Holland, delivering project-based charter, engineering, and turnkey marine delivery packages.
- Company typePrivate
- Founded-
- HeadquartersHelston, United Kingdom
- Headcount1–10
- GTM typeB2B
- OfferingServices
What GeoSeacore does
GeoSeacore is a UK-based marine solutions provider specialising in nearshore and inshore jack-up barge operations, founded in 2022 by a team of maritime construction, geotechnical, and design engineers carrying more than 30 years of sector experience. The company operates a fleet of five self-elevating jack-up barges (JU 3923, JU 3620, JU 3018, JU 2417, plus the Backhoe 6519) with payload capacities ranging from 300 to 800 tonnes and spud leg lengths up to 66 metres, delivered via a core partnership with Dutch shipbuilder Neptune Marine Holland and supplemented through Modular Pontoon Systems (MPS). The fleet is described as one of the newest in the market and includes electric crawler cranes up to 600 tonnes, supporting operations in shallow and deep water nearshore environments including exposed coastal areas, high-current and high-tidal sites, and exposed rock locations.
The company serves marine construction contractors, offshore wind developers, nuclear sector clients, and offshore energy operators, providing services spanning geotechnical investigations, foundation drilling, tubular piling, rock socketing, HDD support, cable and pipeline/outfall installation, demolition, and heavy lift. Service delivery ranges from early contractor involvement (ECI) through constructability advice, programme and estimating management, RAMS preparation, permanent and temporary works design support, seafastening design, and full on-site execution with experienced barge masters. Commercial engagement is project-based with quote-driven pricing per engagement, and revenue derives from jack-up barge charter and rental, professional engineering services, and bundled marine equipment provision via Neptune Marine. The go-to-market combines direct enterprise sales, partner referrals from Neptune Marine and MPS, and IJUBOA committee positioning to drive inbound project opportunities across the UK and broader European coastal markets.
GeoSeacore firmographics
Firmographics- Name
- GeoSeacore
- Legal name
- Geoseacore Ltd
- Website
- https://geoseacore.com
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- GeoSeacore is a UK-based marine solutions provider operating a modern fleet of five self-elevating jack-up barges for nearshore construction, geotechnical investigation, and offshore wind and nuclear projects. It serves enterprise clients across the UK and Europe via a core partnership with Dutch shipbuilder Neptune Marine Holland, delivering project-based charter, engineering, and turnkey marine delivery packages.
- Ownership category
- akta.pro rank
GeoSeacore industry classification
Industry- Product category
- Marine Construction Services
- NAICS
- Support Activities for Mining (2131), Geophysical Surveying and Mapping Services (54136), Other Support Activities for Water Transportation (48839)
- SIC
- Oil & Gas Field Services, Nec (1389), Oil & Gas Field Exploration Services (1382)
- akta.pro primary industry
- Subsea & Nearshore Civil Works (Trenching, Rock Placement, Mattressing) (IMAFAJAI)
- akta.pro secondary industries
- Offshore-to-Shore Interface Construction (Landfalls, Shore Crossings, HDD) (IMAFAJAK), Marine Piling & Deep Foundations (Jetties, Dolphins, Moorings) (IMAFAJAE), Subsea Services & Equipment (Subsea Trees, Umbilicals, Installation, IMR) (EUALABAI)
Keywords
Where GeoSeacore is headquartered
LocationHeadquarters
- HQ city
- Helston
- HQ country
- United Kingdom
- HQ region
- Europe
Offices2 records
Markets served
GeoSeacore business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Operations, Personnel, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- Jackup Barge Charter and Rental: Charter and rental of jackup barges for marine construction, geotechnical investigation, and offshore projects. GeoSeacore provides complete marine packages including experienced barge masters, equipment selection, and operational support on a project-contract basis. Fleet payload capacities range from 300T to 800T.
- Professional Engineering and Project Services: Pre and post-contract, operational and commercial support services including constructability advice, programme and estimating management, RAMS preparation, permanent and temporary works design support, and marine logistics. Services are offered from ECI stage through to project delivery.
- Marine Equipment Provision (via Neptune Marine Partnership): Through the Neptune Marine Holland partnership, GeoSeacore offers access to a broader range of floating plant and equipment including flattop barges, eurocarriers, tugs, and crawler cranes up to 600T including electric variants. Revenue derived from bundled equipment and operational packages.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-based equipment rental and charter (Jackup Barge Fleet) |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels4 records
GeoSeacore product offering
Product offeringCore offering
GeoSeacore provides marine construction and geotechnical expertise delivered through a modern fleet of self-elevating jackup barges for nearshore and coastal projects. Services span geotechnical investigations, foundation drilling, tubular piling, HDD support, cable/pipeline/outfall installation, demolition, and heavy lift operations. The company also offers pre- and post-contract engineering support, RAMS preparation, constructability advice, programme management, and full turnkey delivery packages across construction, renewables, and nuclear sectors.
Product overview
GeoSeacore is a maritime construction and geotechnical services company operating a fleet of modern self-elevating jack-up barges alongside Neptune Marine Holland. The core product portfolio consists of five jack-up barges ( JU 3923, JU 3620, JU 3018, JU 2417, and Backhoe 6519) with payload capacities ranging from 300 to 800 tons, designed for operations in shallow and deep nearshore/coastal waters. These barges support a comprehensive suite of services including geotechnical investigations, foundation drilling, tubular piling, HDD (Horizontal Directional Drilling) support, cable and pipeline installation, and demolition operations. The company also provides turnkey project delivery packages encompassing pre and post-contract support, constructability advice, programme management, RAMS development, permanent and temporary works design, and marine logistics.
Differentiator
Problem solved
Functional benefit
Products and services
- JU 3923 Jack-Up Barge Self-elevating jack-up barge with length of 39.00m, beam of 22.80m, spud leg length of 66.00m, and maximum payload capacity of 800 tons; designed for shallow to deep water operations in harsh marine environments. Charter/rental offering for marine construction, geotechnical, and offshore projects.
- JU 3620 Jack-Up Barge Self-elevating jack-up barge with length of 36.50m, beam of 20.00m, spud leg length of 47.00m, and maximum payload capacity of 600 tons; suitable for nearshore civil construction and geotechnical projects. Charter/rental offering.
- JU 3018 Jack-Up Barge Compact self-elevating jack-up barge with length of 30.50m, beam of 18.30m, spud leg length of 38.50m, and maximum payload capacity of 400 tons; designed for nearshore operations requiring stable platform work conditions. Charter/rental offering.
- JU 2417 Jack-Up Barge Compact self-elevating jack-up barge with length of 24.38m, beam of 17.08m, spud leg length of 42.00m, and maximum payload capacity of 300 tons; suitable for smaller-scale nearshore construction and geotechnical operations. Charter/rental offering.
- Backhoe 6519 Barge Specialised backhoe barge with length of 65.00m, beam of 19.00m, spud leg length of 35.00m, and spud stroke of 10.00m; equipped for marine excavation and demolition operations in nearshore environments. Charter/rental offering.
- Marine Construction and Geotechnical Services Professional delivery of nearshore marine construction and geotechnical operations including geotechnical investigations, foundation drilling, tubular piling, rock socketing, HDD support, cable and pipeline/outfall installation, demolition, and heavy lift support, delivered with experienced barge masters.
- Engineering, Programme Management and Design Support Services Pre- and post-contract operational and commercial support covering ECI-stage engagement, constructability and buildability advice, plant and equipment selection and sourcing, programme and estimating management, RAMS preparation and development, permanent and temporary works design support, marine logistics, and seafastening design.
- Turnkey Marine Project Delivery Full turnkey delivery packages combining jackup barge provision, experienced crew, design support, and on-site operational execution for complex marine projects in challenging environments across construction, renewables, and nuclear sectors.
Quantifiable outcome
- Fleet of 5 vessels with payload capacities from 300T to 800T and live aboard capacity up to 40 POB
- +1 more outcomes
Companies that use GeoSeacore
Customer profileSegments4 records
Ideal customer profiles4 records
GeoSeacore technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
GeoSeacore partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core and minor.
- Neptune Marine HollandcoreNeptune Marine Holland is a specialised maritime solutions provider in the Netherlands, with activities in shipbuilding, ship repair, conversion, and (de)mobilisation since 1972. Neptune designs, builds, repairs, converts, charters, and mobilises vessels for offshore, renewables, marine infrastructure, and aquaculture sectors. GeoSeacore and Neptune Marine have established a strategic partnership to jointly provide jackup barge solutions, with GeoSeacore managing operations and Neptune providing and maintaining the marine equipment. Joint solutions are marketed at www.jackupbargesolutions.com. Neptune's yards in Hardinxveld, Aalst, and Groningen support GeoSeacore's fleet mobilisation and maintenance.
- Modular Pontoon Systems (MPS)minorMPS (Modular Pontoon Systems) has stock of new and used container pontoons, modular workboats, self-elevating platforms, and deck equipment available for rental and purchase. The partnership enables GeoSeacore to offer a broader range of nearshore equipment solutions and provides cross-referral for project opportunities. MPS's in-house design and manufacturing facilities complement GeoSeacore's jackup barge operations, enabling creative solutions for short and long-term projects. More information available at www.mpsbv.com.
- IJUBOA (International Jack-Up Barge Operators Association)minorGeoSeacore is a member of IJUBOA and holds a position on the IJUBOA committee. IJUBOA is the international industry body for jackup barge operators, and membership demonstrates commitment to maintaining high standards of jackup barge operations. The committee position provides industry influence and visibility.
Scale indicators3 records
Recent moves6 records
Expansion highlights6 records
GeoSeacore competitors and assessment
Company assessmentBroad incumbents
- Van Oord: Van Oord is a large Dutch marine contractor with significant nearshore and offshore construction activities, including cable and pipeline installation, foundation drilling, and dredging — overlapping with GeoSeacore's nearshore civil and HDD support capabilities but at much larger scale.
- Fugro: Fugro is a global geotechnical and geo-data specialist providing offshore site investigations for wind, oil and gas, and infrastructure. It overlaps with GeoSeacore's geotechnical investigation services and shares the offshore wind and nearshore customer base.
- Jan De Nul: Jan De Nul is a Belgian marine, dredging, and offshore contractor with extensive offshore wind foundation and cable installation experience. It competes with GeoSeacore in nearshore piling, rock placement, and wind farm support but operates at a much larger scale.
- Royal Boskalis Westminster: Boskalis is a global marine services and dredging contractor with offshore energy and coastal infrastructure operations. It competes broadly in nearshore construction, cable/pipeline installation, and marine geotechnical services where GeoSeacore operates.
Regional players
- Cadeler: Cadeler is a pure-play offshore wind turbine and foundation installation contractor operating a fleet of modern jackup vessels. It competes with GeoSeacore in offshore wind supporting roles but is primarily focused on deep-water turbine installation rather than nearshore civil works.
Others
- Royal IHC: Royal IHC is a Dutch shipbuilder and equipment supplier for the dredging and offshore industry, including jackup platforms and subsea equipment. It is comparable as an enabling/equipment peer rather than a direct competitor, supplying similar marine construction technology.
Direct peers
- Acta Marine: Acta Marine is a Dutch-based owner/operator of nearshore and offshore support vessels, including jackup platforms, providing marine construction, wind farm support, and coastal/infrastructure services — directly comparable to GeoSeacore's service offering and geography.
- Briggs Marine: Briggs Marine is a UK-based marine services contractor providing nearshore construction, cable installation, and marine support services. It is a comparable regional peer offering similar project-based marine construction services in the UK and Europe.
- Neptune Marine Holland: Neptune Marine Holland is GeoSeacore's core operational partner, providing and maintaining the jackup barge fleet in the Netherlands. Both firms jointly market nearshore jackup barge solutions and operate in the same marine construction and geotechnical services space, making them the most directly comparable peer.
- Modular Pontoon Systems (MPS): MPS is GeoSeacore's declared strategic partner, providing modular pontoons, self-elevating platforms, and deck equipment for nearshore construction. It is comparable as a peer in the modular/small-platform nearshore equipment rental and project services space.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
GeoSeacore social profiles
Digital presenceGeoSeacore financial estimates
Financial estimateRevenue estimate
Valuation estimate
GeoSeacore leadership team
Management profileNumber of profiles
Profiles1 record
GeoSeacore funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GeoSeacore M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GeoSeacore
What does GeoSeacore do?
GeoSeacore provides marine construction and geotechnical expertise delivered through a modern fleet of self-elevating jackup barges for nearshore and coastal projects. Services span geotechnical investigations, foundation drilling, tubular piling, HDD support, cable/pipeline/outfall installation, demolition, and heavy lift operations. The company also offers pre- and post-contract engineering support, RAMS preparation, constructability advice, programme management, and full turnkey delivery packages across construction, renewables, and nuclear sectors.
Is GeoSeacore a public or private company?
GeoSeacore is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was GeoSeacore founded?
GeoSeacore was founded in -1. It employs 1 to 10 people.
Where is GeoSeacore based?
GeoSeacore is headquartered in Helston, United Kingdom, in the Europe region.
How does GeoSeacore make money?
Three revenue lines are on record. Jackup Barge Charter and Rental is the primary driver. The others are professional Engineering and Project Services and marine Equipment Provision (via Neptune Marine Partnership).
Who are GeoSeacore's main competitors?
Broad incumbents on record are Van Oord, Fugro, Jan De Nul and Royal Boskalis Westminster. Cadeler is listed as a regional player. Royal IHC is listed as an others. Direct peers are Acta Marine, Briggs Marine, Neptune Marine Holland and Modular Pontoon Systems (MPS).
Does GeoSeacore have an API?
No public API is recorded for GeoSeacore.
What industry is GeoSeacore in?
GeoSeacore's product category is Marine Construction Services. Its primary akta.pro industry code is IMAFAJAI, Subsea & Nearshore Civil Works (Trenching, Rock Placement, Mattressing), with a secondary code of IMAFAJAK, Offshore-to-Shore Interface Construction (Landfalls, Shore Crossings, HDD). Its NAICS code is 2131 and its SIC code is 1389.