About Us

We have been operating for 50 years


Project Completed in 2020


Qualified Employees & Workers


ÍSTAK is a leading Icelandic contractor that handles projects such as the construction of buildings, power plants, aluminum plants, harbors as well as road and bridge construction.

 ÍSTAK has been leading the local construction sector for over 40 years and has had a major impact on the development of buildings and other structures in Iceland as well as on a foreign basis.

 ÍSTAK employs over 400 people who hold a range of knowledge and experience, together with state of the art building tools, ÍSTAK has become a leader in the construction all over the country.

 ÍSTAK handles projects of all shapes and sizes with its main focus being in Iceland, the Faroe Islands and Greenland.



 Our history, founders, owners and directors


 Ístak was founded in 1970 and is therefore around 50 years old. Ístak's founding fathers Kay and Sören Langvad founded Ístak together with Gunnar Möller, Einar Sigurðsson, Páll Sigurjónsson and Jónas Frímansson following the Althingi's approval of a new law requiring public works to be put out to tender. This law was the basis for the activities of dynamic and independent contractor companies in Iceland.


 Before and after the Second World War, Danish parties oversaw extensive construction in Iceland. Most of them were carried out by public bodies. Thus, the Danish company Höjgaard & Schultz came to the installation of a district heating system in Reykjavík and the first hydroelectric power plant at Sog. The engineer Kay Langvad worked there who was married to an Icelandic woman, Selma Gudjohnsen. Their son, Sören Langvad, graduated from high school and started his engineering studies at the University of Iceland.


 Kay became an independent entrepreneur in Denmark and bought a share in the masonry company E.Phil & Sön in 1947. The company became involved in various construction projects, including the construction of a harbor in Denmark and the construction of hydropower plants in Iceland. The business grew and prospered for the next two decades and Sören, Kay's son, soon gained a large amount of influence within the company.

Spila myndband

Featured Projects

We handle projects of all shapes and sizes

Flugstöð Leifs Eiríkssonar
Nuuk skóli
Stúdendagarðar Sæmundargötu
Kleppsbakki við Sundahöfn

We have around 400 people working in various positions

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Organizational Chart

The handling and administration of digital data in the company with an emphasis on supporting, developing and refining the handling of digital data, sharing knowledge and experience in the projects and with the aim of increasing value creation, innovation and collaboration with internal and external parties.

  • Framkvæmdastjóri

    Karl Andreassen

    • Fjármálastjóri

      Elfa Björg Aradóttir

      • Mannvirki

        Hjálmur Sigurðsson

    • Tilboðsdeild

      Hermann Sigurðsson

      • Byggingar

        Gísli H. Guðmundsson


Ólafur Páll Sölvason

Dagbjartur Sveinsson


Héðinn Ingi Þorkelsson

BIM Upplýsingatækni

Ingibjörg Birna Kjartansdóttir

Gæða- og öryggisdeild

Anna Jóna Kjartansdóttir


Bjarki Þór Iversen

Skrifstofa og fjármál

Elfa Björg Aradóttir

Contact Us

By phone

(+354) 530 2700

By mail



Bugðufljót 19 270 Mosfellsbær

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