What Subtop does

Subtop, operating as the trade name of the French legal entity METIMUR (SIRET N°393 970 884 00036), is a specialized distributor and integrator of hydrographic, bathymetric, and topographic measurement equipment headquartered in Arpajon, about 30 km south of Paris. The company sells, rents, services, and finances survey instruments and accessories sourced from a roster of international manufacturers, including Leica Geosystems, Teledyne Marine, Innomar, Septentrio, AML Oceanographic, Carlson, Hypack, CHC-NAV, Deep Water Buoyancy, Résinex, and OceanSigh. Its product portfolio spans underwater equipment — multibeam echosounders (e.g., the Teledyne SeaBat T50-ER), parametric sub-bottom profilers (Innomar Medium-70 and Medium-100), acoustic cameras, ADCPs, magnetometers, ROVs/USVs/AUVs (e.g., the CHASING M2S), and oceanographic instruments — alongside terrestrial equipment such as GNSS receivers (Leica GS05, GS07), total stations, and laser scanners.

The business operates across France and Africa, serving professional surveyors, government agencies (e.g., the Greenland Natural Resources Institute, French Conseils Départementaux), offshore-energy contractors, construction firms, and water-resource managers. Subtop generates revenue through three streams: (1) one-time equipment sales of capital survey gear, (2) usage-based equipment rentals via a request-only catalog, and (3) professional services covering consulting, integration, training, on-site technical assistance, and repair. Pricing is quote-based and not publicly disclosed, with multi-year contracts and third-party financing options available.

The go-to-market is sales-led, relying on technical sales engineers with direct regional coverage (a September 2025 addition in southern France), supplemented by digital presence via subtop.fr and LinkedIn, and active participation in industry events such as the AFHy Technical Days 2025 in Sète. The company operates without any disclosed external funding, parent company, or subsidiary structure, indicating an independent, owner-operated small business with reported headcount between 11 and 50 employees.

Name

Subtop

Legal name

METIMUR

Website

https://subtop.fr

Company type

Private

Founded year

2013

Operating status

Operating

Headcount range

11–50 employees

Short description

Subtop is a French authorized distributor and integrator of hydrographic, bathymetric, and topographic measurement equipment, serving professional surveyors, government agencies, and construction firms across France and Africa through equipment sales, rentals, training, and repair services.

Ownership category

akta.pro rank

Product category

Hydrographic and Topographic Survey Equipment

NAICS

Geophysical Surveying and Mapping Services (541360)

SIC

Oil & Gas Field Exploration Services (1382)

akta.pro primary industry

Subsea Services & Equipment (Subsea Trees, Umbilicals, Installation, IMR) (EUALABAI)

akta.pro secondary industries

Unmanned Underwater Vehicles (UUV) & Autonomous Subsea Platforms (IMABAIAF), Cable Route Engineering, Permitting & Marine Survey (Seabed/Environmental) (HDAIALAK)

Keywords

• Hydrographic survey equipment
• Topographic measurement systems
• Bathymetric instruments
• Underwater survey technology
• GNSS positioning systems

Headquarters

HQ city

Arpajon

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Supply Chain, Others

Revenue model

1. Equipment Sales: Sale of underwater and terrestrial survey equipment including echosounders, GNSS receivers, total stations, sonar systems, underwater drones, and oceanographic instruments. Products sourced from major manufacturers (Leica, Teledyne, Innomar, CHC-NAV, Septentrio) are sold directly to professional customers in France and Africa.
2. Equipment Rental: Rental catalog available for professional survey equipment, providing flexibility for projects requiring specialized instruments without capital purchase. Contact catalog available via email request.
3. Professional Services: Technical services including consulting and integration, training and technical support, technical assistance, and repair services for survey equipment. Recent example: modernization of dredge guidance system for Conseil Départemental des Pyrénées Atlantiques.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Subtop distributes and integrates hydrographic and topographic measurement systems, including multibeam echosounders, sub-bottom profilers, GNSS receivers, total stations, sonar systems, underwater drones (ROV/USV/AUV), ADCP instruments, and oceanographic instruments. The company also provides related equipment rental, consulting and integration, training and technical support, technical assistance, repair services, and financing solutions for professional customers in France and Africa.

Product overview

Subtop (operated by METIMUR) is a French company specializing in bathymetry, underwater and land positioning, hydrography, and topography. Its product portfolio is organized into two main categories: underwater equipment (subaquatiques) and terrestrial equipment (terrestres). Underwater equipment spans echo sounders and 3D scanners (including the Teledyne Marine SeaBat T50-ER multibeam sonar), sub-bottom profilers (INNOMAR Medium 70 and Medium 100 parametric profilers), underwater positioning systems, geophysical instruments, marine imaging, magnetometry, ROV/AUV/drone supports, oceanographic instruments, river instruments, and buoys. Terrestrial equipment includes GNSS systems (Leica GS05, Leica GS07), total stations, laser scanners, aerial drones, machine guidance, and network detection tools. Subtop also offers equipment rental, technical support, training, repair, and financing solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• INNOMAR MEDIUM 100 Sub-Bottom Profiler Parametric sub-bottom profiler for offshore applications up to 2,000 m water depth. Acquires full waveform data (24-bit) compatible with standard seismic processing software via SEG-Y format, using multi-frequency signals and chirp LFM technology. Sold to professional hydrographic and geophysical survey customers.
• INNOMAR MEDIUM 70 Sub-Bottom Profiler Parametric sub-bottom profiler for offshore applications up to 2,500 m water depth, available in standard and RP (roll/pitch/tangage) versions. Delivers sediment penetration up to 100 m using chirp LFM technology and full waveform data acquisition. Sold to professional hydrographic survey customers.
• Teledyne Marine SeaBat T50-ER Multibeam Sonar Extended-range multibeam sonar system providing high-resolution seabed mapping and habitat classification. The rack-mounted unit with integrated INS enables rapid mobilization on survey vessels, operating at agile frequencies from 190 to 420 kHz. Sold to hydrographic survey professionals, including government bodies managing fisheries and seabed habitat mapping.
• Leica GS05 GNSS RTK Receiver Lightweight intelligent RTK GNSS antenna (0.75 kg) for real-time land and underwater positioning, featuring tilt compensation, 4G connectivity, integrated UHF radio, and up to 10-hour battery life. Compatible with Leica Captivate field software and Leica Infinity office software. Sold to topographic and hydrographic survey professionals.
• CHASING M2S Underwater ROV Industrial underwater ROV reaching 100 m depth, capturing 4K video via a 1/2.3" CMOS sensor with CHASING Aquavision image algorithm. Operates for up to 4 hours on a 97.68 Wh battery and supports accessories including grabber arms, sonar, and floodlights. Sold to professional underwater inspection customers.
• Equipment Sales and Distribution Sale of underwater and terrestrial survey equipment including echosounders, GNSS receivers, total stations, sonar systems, underwater drones, and oceanographic instruments. Products sourced from major manufacturers (Leica, Teledyne, Innomar, CHC-NAV, Septentrio) are sold directly to professional customers in France and Africa.
• Equipment Rental Rental catalog available for professional survey equipment, providing flexibility for projects requiring specialized instruments without capital purchase. Contact catalog available via email request.
• Consulting and Integration Services Professional consulting and equipment integration services for hydrographic and topographic survey customers. Includes system design, configuration, and on-site deployment support.
• Training and Technical Support Training programs and ongoing technical support for survey equipment, helping customers maximize the value of their hydrographic and topographic measurement investments.
• Technical Assistance and Repair Services On-site technical assistance and repair services for survey equipment. Includes field missions such as the modernization of the BABESLEA dredge guidance system for Conseil Départemental des Pyrénées Atlantiques.
• Financing Solutions Financing solutions available through Subtop's partner network, supporting customers who need to acquire survey equipment without upfront capital outlay.

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered core.

• Leica GeosystemscoreTechnology or IntegrationAuthorized distributor for Leica Geosystems products including GNSS receivers (GS05, GS07), total stations, laser scanners, and related survey equipment. Products integrate with Leica Captivate software and Leica Infinity processing software.
• Teledyne MarinecoreTechnology or IntegrationAuthorized distributor for Teledyne Marine products including SeaBat multibeam sonars (T50-ER), BlueView acoustic cameras (M900/2250 MK2), and Reson hydrophones. Products serve hydrographic survey and underwater inspection applications.
• InnomarcoreTechnology or IntegrationAuthorized distributor for Innomar sub-bottom profilers including Medium-70 (up to 2,500m depth) and Medium-100 (up to 2,000m depth) models. Includes SESWIN acquisition software, SES Convert data conversion, and ISE post-processing software.
• SeptentriocoreTechnology or IntegrationAuthorized distributor for Septentrio GNSS receivers including AsteRx-U3 and Mosaic OEM modules providing precision positioning solutions with heading measurement capability.
• CHC-NAVcoreTechnology or IntegrationAuthorized distributor for CHC-NAV products including the USV CHASER PRO (Apache 3 Pro) unmanned surface vehicle for river and coastal survey applications.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Direct peers

• Exail (formerly iXblue): French marine technology company producing inertial navigation, USVs, and acoustic positioning systems for hydrographic and subsea markets — directly comparable on geography and on the underwater positioning/sonar product mix Subtop distributes.
• Sonardyne: UK-based specialist in underwater acoustic positioning, navigation, and communications serving survey, oil & gas, and ocean science customers — competes and partners in the same underwater positioning category Subtop addresses.
• MacArtney: Denmark-headquartered underwater technology specialist that distributes and integrates multibeam sonars, subsea connectors, and oceanographic instrumentation globally — overlapping directly with Subtop's hydrographic and subsea equipment distribution franchise.
• Hydro-Lek: UK-based distributor and integrator of underwater hydraulic tools, sonars, and ROV/deep-water intervention equipment for survey and offshore markets — closely comparable business model of multi-brand distribution plus service integration.
• Ocean Scientific International (OSIL): UK-based manufacturer and supplier of oceanographic, hydrographic, and sediment sampling equipment — comparable as a specialist channel for survey instruments addressing similar end-user segments.

Broad incumbents

• Kongsberg Maritime: Major Norwegian subsea technology incumbent with multibeam sonars, AUVs, and subsea positioning — broad portfolio competitor and a potential OEM that could pressure Subtop's distribution relationships.
• Fugro: Large Dutch geotechnical and survey services operator that procures the same hydrographic and topographic equipment Subtop distributes — both a major end customer and a competitor for integrated survey mandates.

Others

• Leica Geosystems (Hexagon): Primary OEM of GNSS receivers and total stations that anchor Subtop's terrestrial survey offering — partner today but capable of direct coverage that could compress Subtop's role in France and francophone Africa.
• Teledyne Marine: Primary OEM of multibeam sonars (SeaBat), acoustic cameras (BlueView), and hydrophones that Subtop distributes — a partner today but a structural threat if Teledyne prioritizes direct sales in Subtop's geographies.

Emerging players

• NORBIT Subsea: Norwegian challenger OEM in compact multibeam sonars and subsea sensors — competes with several product lines Subtop carries and could either erode or augment Subtop's distribution economics depending on channel strategy.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/subtop

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Subtop