
ABOUT US
Since its establishment in 2006, Berlin Property Invest AS and Berlin Invest AS has been actively investing across most districts of Berlin. To date, the company has invested in 36 properties. Approximately 200 apartments have been sold, while around 300 apartments are currently held for long-term rental.
Our investment strategy has primarily focused on acquiring properties located in quiet side streets adjacent to major thoroughfares, such as Schloßstraße in Steglitz and Kurfürstendamm in Charlottenburg. At the same time, we remain open to attractive opportunities elsewhere in the city when we identify strong long-term potential.
We have a particular appreciation for classic buildings with distinctive architectural details. Our ambition is to restore these elements with care and quality, allowing the buildings to regain their original character and elegance. Our goal is always to create “the nicest house on the street,” ensuring that residents feel a sense of pride when entering a well-maintained entrance hall featuring restored stucco ceilings and brass doorbells.
Looking ahead, we will continue to place strong emphasis on energy-efficient and cost-saving investments, enhancing both sustainability and long-term value across our portfolio.
Throughout our history, we have maintained close and trusted relationships with architects and technical consultants. This collaboration enables us to plan and execute our projects to the highest standards, balancing the interests of our buildings, our tenants, and our financial objectives.


Sigge Ollendorff
Partner/CFO
Mob: 0047 90110610
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Norwegian, born 1957.
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Educated at Copenhagen Business School (83)
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After 4 years as a Manager at Ernst & Young, Sigge Ollendorff established his own investment and consulting business in 1990. This business has since focused on business start-ups and property development.
Henrik Ulven
Partner/CEO
Mob: 0047 90034360
henrikulven1@gmail.com
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Norwegian, born 1958
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Educated at ETH-Zürich (83) and Norwegian School of Management in Oslo (85).
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Henrik Ulven has over 35 years of industrial experience in management, project control in the oil and gas sector, Norsk Hydro, Teleplan, Norwegian Trade Council, marketing and real-estate.
Our partners and co-owners in Norway are :
Hustadlitt Marmor AS
Norsk Mineral AS
Stratel AS
Ollen AS
Ulvefoss AS
Østlandet Eiendomsutvikling AS
Berlin Invest AS
Arne Nordviste
Partner/CFO
Mob: 0047 91560525
arne@nordviste.no
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Norwegian, born 1959
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St. Gallen School of Economics and BI-Oslo
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Long industrial experience and several startups.
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More than 35 years experience in real estate








