The real estate services of tomorrow

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At a glance

Stronghold Invest is an active investment company with a long-term view and an entrepreneurial culture. 

Our focus is on the real estate services of tomorrow.


We provide

  • 27 years of experience
  • Deep knowledge in real estate and tech
  • Extensive industry contacts
  • Focus on Northern Europe
  • Access to capital

More about us    Meet the team

Portfolio companies

m sqm

Assets under management

Countries active in


Revenue CAGR since 1994

bn €



Core investments

Real Estate Services

Our core investments are in the traditional commercial real estate market.

Core investment


The Full Service Property House in Northern Europe – offers real estate owners, investors and tenants a full range of services within the areas of Property Asset Management and Advisory.

Newsec was founded in 1994 and is today a partner-owned company with some 2,700 co-workers in seven markets. Newsec has approx. €68 billion under management and annually signs lease agreements of some 1.5 million square meters, manages transactions of some €6.2 billion and does real estate valuations of underlying property worth €225 billion.

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Core investment


Niam is one of northern Europe's leading fund managers with a focus on investments in real estate and infrastructure.

 For the past 23 years, Niam has invested in properties in the Nordics of more than €12 billion through their funds and today they manage a property portfolio of approximately €2.5 billion.

 Niam Infrastructure focus on sustainable asset aggregation and risk reduced investments within renewable energy, transportation and telecom in the Nordics and northern Europe.


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Digitalization of real estate

We believe that digitalization and use of modern technology will continue to shape the competitive landscape in real estate, which is why we invest in innovative PropTech start-ups and drive digital transformation projects within our core portfolio.

Our PropTech portfolio


Examples from our PropTech portfolio
Read more about Tessin Tessin


Tessin is the largest alternative property financing platform in the Nordics. Tessin serves those who wish to place capital directly in real estate without any complicated fees and intermediaries. On Tessin’s platform individuals and institutions can invest in different types of real estate projects and receive an attractive yield on their investment.

Read more about Netmore Netmore


Netmore Group is a dedicated IoT operator. It connects properties, provide private and open 5G networks, and enable massive IoT connectivity with LoRaWAN®

Read more about Accessy Accessy


Accessy opens all doors in a smooth and secure way through your smartphone Accessy eliminates the need for keys, cards, codes or badges to open your doors. Everything is in your smartphone, just press the open button in the Accessy app and new possibilities open up for you. Safe, fast and smooth.

We believe there is a close link between employee satisfaction and client focus. Our long experience from developing market leading companies within the real estate sector have shown we are right. We call it passion for colleagues and clients, in that order.

+27 years of real estate experience and over 2,500 professionals

We cover virtually the entire real estate value chain

A significant market presence and client base throughout Northern Europe

A unique combination of know-how in real estate and technology

Next step

Are you ready to change the real estate industry?

Introduce yourself and tell us what you’re up to. You might be looking for an investment partner, support to grow your business or for your next career challenge. No matter which, we're always keen to listen to new ideas.

Contact us