• Available 24h - call us at +45 75 65 00 94       |       info@jashipping.com

About us

J.A. Rederiet is a Danish shipowning company providing services to the maritime offshore industry since 1986.

We are a company with large flexibility, and with willingness to adopt to our Clients’ special requirements, and we are dedicated to always provide first class service and performance.

We are ready to answer immediately to your inquiries for offshore dive support, heavylift, salvage, and towage.


Jens Alfastsen started as selfemployed in 1986 with a background in diving and salvage.

1986-89 Shore based activities established, a machining shop, and at the same time, a diving company.

1989 Purchased first boat, below 20 GT, for dive support and salvage of light crafts, for Owners and Underwriters.

1993 Purchased first tug over 20 GT, and offering towing/salvage/diving services, and over the years a tug fleet was established.

2005 Purchased floating crane for heavylift operations. Directing the company from tugs to special craft, heavylift, salvage, offshore support, dive support.

2007 Purchase and conversion, special craft multi purpose vessels, later upgraded to DP1/DP2.

2009 By 1 January Kim Alfastsen became the sole owner of the company in a generational handover, and Jens Alfastsen consequently was employed as office manager, in charge of projects and daily running, with captain Kim Alfastsen working and projecting at sea, in charge as salvage and heavylift master.

What we do

We have developed over the years expertise in a wide range of tasks.

Please do not hesitate to contact us, 24/7, on +45 75 65 00 94, for any inquiries.

Scope of work:

  • Diving
  • Heavylift
  • Salvage
  • Lightering / refloating
  • Salvage Master
  • Wreck Removal
  • Towage
  • Transport
  • Offshore Support
  • Diamond Wire Cutting
  • UXO – EOD
  • Noise Mitigation
  • ROV
  • Survey
  • Fish Farm Support