Services
Eight services across the waterline, delivered by specialist companies.
Four areas of expertise
Our services are organised in four areas that together cover the marine value chain, from the first inspection to finished construction and daily operation in port.
Underwater construction and diving
- Commercial diving
- Cable and pipeline works
Harbour towage, salvage and icebreaking
- Towage, assistance and icebreaking
- Salvage
Marine construction
- Quay and marine construction
- Dredging
- Work platforms and equipment
Underwater inspection and maintenance
- Inspection and survey
Customers can buy a single service from one of our companies, or a complete solution that combines several. One contact, one contract.
Above the surface
Towage, assistance and icebreaking
Tug assistance for vessels arriving and leaving port, including harbour towage across the Stockholm region, icebreaking to keep ports open in winter, towing of barges and pontoons, and special marine transport of equipment and materials along the coast.
Quay and marine construction
New build and renovation of quays, jetties, piers and mooring dolphins, including pile driving and concrete works in the marine environment.
Dredging
Maintenance dredging of ports, harbours, marinas and fairways to keep the required depth for safe navigation.
Workboats, platforms and equipment rental
Workboats and tugs with bollard pull from 250 kg to 45 tonnes, jack-up rigs, spud barges, work barges and pontoons. Available with crew as part of an assignment, or for rental for waterside works, site establishment and heavy lifts.
Below the surface
Commercial diving
Certified commercial divers for construction, repair and maintenance below the waterline, including heavy diving and work in demanding conditions.
Inspection and survey
Principal and warranty inspections of quays, piles, sheet piling and erosion protection, damage assessment after vessel impact, and 3D sonar surveys.
Cable and pipeline works
Laying, burial, protection and repair of subsea power and communication cables and pipelines, from shore landings to open water.
Salvage
Salvage and recovery of sunken or grounded vessels, lost equipment and objects in the Baltic Sea and along the Swedish coast, planned and executed with our own vessels and lifting capacity.
Our boats and platforms
Workboats, tugs and work platforms from across the group, with bollard pull from 250 kg to 45 tonnes. Available with crew as part of an assignment, or for rental for waterside works, site establishment and heavy lifts.
Tugab Construction
TUG Grizzly
Ice-classed tug for towage, assistance and marine contracting.
Tugab Construction
Pontoons and work barges
Stable work platforms for dredging, installations, heavy lifts and transport on water.
Marin & Haverikonsult
TOR
Tug for harbour towage and marine transport in the Stockholm region.
Marin & Haverikonsult
Montfred
Tug for harbour towage and vessel assistance in the Stockholm region.
Marin & Haverikonsult
TUG
Tug for harbour towage, barge towing and special transport.
Marin & Haverikonsult
TOM
Workboat and tug for towage and waterside works.
Marin & Haverikonsult
LEIF
Workboat and tug for towage and waterside works.
Dawab Sverige
Flax
Four-legged work platform, 10 × 8.15 m, with an HMF 1680 crane.
Dawab Sverige
Fix
Compact legged platform with radio-controlled crane, transportable by truck.
Dawab Sverige
Flex
Modular system of two to six pontoons for dredging and drilling.
Dawab Sverige
Sjöben
Self-elevating platform with about 100 m² of deck and a Palfinger crane for heavy lifts.
Dawab Sverige
Träben
Small legged platform with crane for tight spaces such as marinas.