What DHSS does

DHSS, legally Clarksons Port Services B.V., is a Dutch maritime and offshore energy logistics provider founded in 1997 and headquartered in Den Helder, Netherlands. It is a wholly-owned subsidiary of Clarkson PLC (LSE: CKN), a publicly traded global shipping services group tracing its origins to 1852. The company delivers turnkey port agency services (voyage agency, crew change, bunkering, customs clearance, freight forwarding, terminal handling, and shortsea broking), offshore support base operations for oil & gas, offshore wind, subsea, and survey vessels, and offshore helicopter chartering for personnel transport.

Its operating model is built on a directly-operated network of 39 global offices supported by 460+ employees and 100+ trusted partners, with dedicated presence in Egypt for Suez Canal transit and regional hubs including Aberdeen (UK) and Ijmuiden (Netherlands). DHSS sells exclusively to enterprise clients in marine and offshore energy verticals via direct field sales and industry relationships; pricing is quote-based and customized rather than published. The service portfolio is integrated end-to-end across vessel calls — covering arrival logistics, in-port operations, and offshore installation support — and is differentiated by ISPS-compliant safety standards and CO2 Performance Ladder N3 certification (2023). Technology is described as integrated marine logistics management backed by data intelligence, with no disclosed AI/ML, API, or proprietary platform products. Revenue is not separately disclosed and the company is classified as private despite its parent's public listing.

Name

DHSS

Legal name

Clarksons Port Services B.V.

Website

https://dhss.nl

Company type

Private

Founded year

1997

Operating status

Operating

Headcount range

251–500 employees

Short description

DHSS (Clarksons Port Services B.V.) is a Dutch marine and offshore energy logistics provider, wholly owned by Clarkson PLC. It delivers port agency, support base, helicopter, and freight services to enterprise clients in dry cargo, oil & gas, offshore wind, and subsea segments across 39 global offices.

Ownership category

akta.pro rank

Product category

Marine & Offshore Energy Port Services

NAICS

Support Activities for Water Transportation (4883), Marine Cargo Handling (488320), Port and Harbor Operations (488310), Navigational Services to Shipping (488330)

SIC

Oil & Gas Field Services, Nec (1389), Water Transportation (4400), Arrangement Of Transportation Of Freight & Cargo (4731), Oil & Gas Field Machinery & Equipment (3533)

akta.pro primary industry

Vessel Husbandry & Crew Services (Crew Change, Meet & Assist, Transport, Shore Passes) (TLAHAJAB)

akta.pro secondary industries

Offshore/Remote Port Call & Anchorage Services (Launch Boats, Crew Boats, Supply Runs) (TLAHAJAM), Offshore Marine & Aviation Support (PSVs, AHTS, Crew Boats, Helicopters) (EUALABAJ), Spare Parts, Ship Chandlery & Logistics to Vessel (TLAHAJAF), Marine Terminals & Cargo Handling Infrastructure (RoRo, Bulk, Container) (IMAFAJAF)

Keywords

• Marine port agency
• Offshore logistics services
• Helicopter chartering
• Ship agency services
• Support base operations

Headquarters

HQ city

Den Helder

HQ country

Netherlands

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Port Agency Services: International port agency and logistics services providing turnkey solutions for marine and energy sector clients, including voyage agency, crew change, bunkering, and customs clearance
2. Support Base Operations: Comprehensive support base operations for offshore wind, oil and gas, subsea, and survey vessel fleets, including warehousing and logistics
3. Helicopter Operations: Market leading offshore helicopter operations for personnel transport to offshore installations
4. Freight Forwarding: Sea, air and road freight services with global coverage and round the clock attendance
5. Terminal Handling: Vessel loading and discharging of bulk cargoes specializing in grains, oil seeds, pulses and bio-mass
6. Shortsea Broking: Shipping dry cargo on smaller vessels and shorter routes with specialist skills and strong industry relationships

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

DHSS (operating as Clarksons Port Services B.V.) delivers international port agency, logistics, and support services for the marine and offshore energy sectors. Its offerings span vessel agency (voyage agency, crew change, bunkering, customs clearance), support base operations for offshore wind, oil & gas, subsea and survey vessels, helicopter chartering for personnel transport, freight forwarding (sea/air/road), terminal handling of bulk cargoes, shortsea broking, and Egypt port agency with Suez Canal transit services.

Differentiator

Problem solved

Functional benefit

Products and services

• Port Agency Turnkey international port agency and logistics services for clients in the marine and energy sectors, including voyage agency, crew change management, bunkering, project logistics, and Egypt port agency.
• Egypt Port Agency and Suez Canal Transit Services Port agency and Suez Canal transit services provided through 6 offices in Egypt, including navigational information updates, rebate handling, and toll and tariff advice for vessels transiting Egyptian waters.
• Support Base Operations Comprehensive support base operations for offshore wind, oil and gas, subsea, and survey vessel fleets, providing marshalling port support, installation equipment, and ongoing maintenance logistics.
• Helicopter Chartering Offshore helicopter chartering for personnel transport to offshore installations, supporting oil and gas, offshore wind, and other offshore operations.
• Customs

Named customers4 records

Segments4 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• 100+ Trusted Partners WorldwidecoreChannel Partner/ Reseller/ DistributorExtensive network of 100+ trusted partners covering locations worldwide to extend service capabilities and provide local expertise across different regions and ports.

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Peterson Energy Logistics: Peterson is one of the closest direct peers to DHSS, providing integrated port agency, supply base operations, and logistics for offshore oil & gas and renewables from bases in Aberdeen and other North Sea hubs. Like DHSS, it bundles marine logistics, warehousing, and crew support under one roof for energy clients.
• GAC Group: GAC is a global ship agency and port services group offering vessel agency, husbandry, bunkering, and offshore logistics across 50+ countries. It competes head-to-head with Clarksons/DHSS in port agency and offshore support, with comparable global coverage and similar service breadth.
• Inchcape Shipping Services: ISS is a major global port agency and maritime services provider delivering vessel agency, husbandry, and crew change at scale. It is a direct competitor in the same ship agency category as DHSS, particularly for international voyage and port call services.
• Wilhelmsen Ships Service: Wilhelmsen Ships Service provides port agency, ship chandlery, spare parts logistics, and crew services globally. Its marine products and ship agency overlap directly with Clarksons/DHSS's port agency and Gibb Group spare-parts distribution businesses.
• Bristow Group: Bristow is a leading global offshore helicopter operator serving the same oil & gas and offshore wind crew-transfer market as DHSS's helicopter operations division. It is the most direct peer for that specific high-value service line.
• Vroon Offshore: Vroon is a Dutch-based offshore support vessel operator with a strong North Sea and offshore-wind presence. It is comparable to DHSS as a fellow Netherlands-headquartered offshore service provider, even though Vroon primarily operates vessels while DHSS provides the surrounding port and logistics services.

Broad incumbents

• Babcock International (Offshore): Babcock provides offshore support, helicopter, and energy logistics services as part of a much larger diversified engineering and defense group. It overlaps with DHSS in offshore aviation and energy logistics but operates at materially larger scale across multiple industries.
• DHL Global Forwarding: DHL Global Forwarding is a dominant multi-modal freight forwarder (sea, air, road) and competes with DHSS's freight forwarding stream. It is a much larger incumbent with no offshore-energy specialization, making it a partial rather than full competitor.
• Kuehne+Nagel: Kuehne+Nagel is one of the world's largest freight forwarders with sea, air, and road capabilities. It overlaps with DHSS on international freight forwarding and project logistics but lacks DHSS's offshore-energy and vessel-agency focus.
• Boskalis Westminster: Boskalis is a large global offshore support, subsea, and marine services contractor active in offshore wind installation and decommissioning. It overlaps with DHSS in offshore wind and O&G support logistics but operates as a much broader marine contractor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/dhssagencies
• YouTubeyoutube.com/@clarksonsglobal7987
• LinkedInlinkedin.com/company/clarksons
• Facebookfacebook.com/dhss.nl

Revenue estimate

Valuation estimate

Number of profiles

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 DHSS