Telecom expertise meets real estate innovation

Built by people from McKinsey, Tele2, BT and Ericsson, and backed by the leading property group in Nordics. We design, build and operate the indoor mobile infrastructure that modern buildings need.

Press Releases

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First in the world to launch a shared, high-performance indoor 5G system any operator can use

At Krejaren 2 in central Stockholm, with Fastpartner and Ericsson, we became the first independent infrastructure operator anywhere to open a high-performance indoor 5G system to every mobile operator, delivering gigabit speeds to everyone in the building.

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First independent operator to bring high-performance indoor 5G to the UK

At the Folgate Building by Liverpool Street, we delivered the UK’s first high-performance indoor 5G of this kind, with EE the first operator live and a wider rollout following our agreement with BT Group.

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First in the world to deploy the new digital operator connection

At Haakon VIIs gate 2 in Oslo, with Braathen Eiendom and Telia, we completed the first commercial deployment of digital operator connection, where operators connect their own baseband digitally into our shared infrastructure.

See announcement

Latest Official Projects

Recent examples of indoor mobile infrastructure deployments across Europe

Haakon VIIs gate 2

Oslo

Installed

2025

Technology

4G & 5G

Owner

Braathen Eiendom

Size

12,000 sqm

Read about the project

Oslo Cancer Cluster Innovation Park

Oslo, Norway

Installed

2026

Technology

Owner

Oslo Cancer Cluster – Pareto

Size

12,000 SQM

Read about the project

Sergelhusen

Stockholm, Sweden

Installed

2025

Technology

4G & 5G

Owner

Vasakronan

Size

10,000 SQM

Read about the project

More projects

“We make seamless, indoor mobile coverage accessible for every building – enhancing connectivity, improving tenant experience, and increasing property value – all with a simple all-inclusive business model.”

Mikael Lundman, CEO

Meet the Proptivity team

Christoffer Lundgreen

Norway CEO

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Christoffer Lundgreen has 16 years experience in B2B sales within insurance, wholesales and later software to commercial properties. He started out as a Sales Manager at Söderberg & Partners Insurance with an active role in the start-up and operation of NHO Insurance. He continued his career as CEO of a leading Norwegian wholesale company, Finn Clausen. In 2020 he was co-founder of a Norwegian Proptech startup in the segment of commercial real estate management, with the responsibility of the commercialisation within customers and investors. Christoffer has an International Shipping degree, from Kristiania University in Oslo.

Fredrik Zetterlund

CCO

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Fredrik Zetterlund has an extensive experience of successfully establishing new venture capital/private equity funded companies and operator partnerships within mobile communications, internationally and in Sweden. Over the last 20 years he was a founder/co-founder of BT OnePhone in UK, Spring Mobil in Sweden and OnePhone Holding, where he served as EVP and CEO of OnePhone Services. In addition, Fredrik is an investor and has served board member or advisor in telecom and other sector companies, including as a consultant with McKinsey & Company. Mr Fredrik Zetterlund holds an MSc from Chalmers University of Technology and an MSc from the School of Economics at Göteborg University.

Michaela Maas

CFO

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Michaela Maass joins Proptivity as CFO with a background in financial control and joint venture governance built in the Nordic telecoms sector. At Tele2, she managed the financial operations of the Sunab 3G and Net4Mobility 5G partnerships, developing a sharp eye for translating complex data into clear business decisions. Numbers move her, and people inspire her. A combination that makes her well suited to helping build what Proptivity is working towards: the world’s leading indoor mobile infrastructure platform.

Morgan Curby

CMO

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Morgan Curby has more than 25 years international experience from Marketing and Sales, mainly in Telecom and IT and with a focus on organizational and business transformation. He has been responsible for multimillion USD sales & marketing organisations globally in Ericsson as well as being reponsible for establishing new companies securing investments from likes of Telia and winning customer such as Softbank. Morgan has specialized on how to integrate and transform marketing and sales in the new digital world and holds MSc/BSc in Mathematics, Business and Economics.

Tomas Rosén

Denmark CEO

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Tomas Rosén brings more than 25 years of international experience in sales and business development.

For the past 15 years, he has focused on telecommunications and mobile infrastructure. He spent 10 years at Telia, first as Head of Sales in the mobile business and later as part of Telia’s global IoT division, specialising in advising and implementing IoT solutions. Most recently, Tomas has 4 years of experience as Senior Advisor / Sales & Partner Management at Cellnex Denmark, where he specialised in mobile digital strategy, indoor mobile coverage, private networks, and critical infrastructure.

Tommy Ljunggren

Senior Advisor

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Tommy Ljunggren has 30+ years’ experience in the telecom industry from different roles in Telia Company Group in the Nordic & Baltics and in VEON Group (former Vimpelcom) with operations in 14 different countries. He held several Board of Director seats within the Telcom industry and was one of founding partners of the consultancy company Northstream (now part of Accenture). Apart from the work at Proptivity Tommy today works as an Independent Senior Advisor to vendors, operators, investors, industry organizations, startups and other organizations.

Johnny Svedberg

COO

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Johnny Svedberg is a telecom and IT industry leader with more than 35 years of international experience. Solid record of establishing and building fast growing multimillion Euro operations. Johnny has successfully established numerous companies in Sweden, throughout Europe and Asia with key executive director positions in international corporations, such as Tele2, Indosat Ooredoo, Teracom, NetCom and OnePhone. Johnny has also considerable experience from non-executive board positions in a number of companies, including three publicly listed companies in Sweden and Holland.

Mikael Lundman

CEO

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Mikael Lundman has more than 20 years of international experience from Telecom and tech. He started at Ericsson in the late ‘90s and held various positions such as product management for mobile systems, Vice President in Japan and Korea and head of M&A function for Ericsson’s system business unit. Mikael was associate partner at McKinsey & Company within the TMT practice in the Stockholm and in Singapore. CEO of Proptivity since inception.

Nic Budden

UK CEO

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Nic is a seasoned business leader with over 25 years of executive experience across private and public companies in a wide range of sectors, including property, technology, AI, telecoms, utilities, and financial services. Renowned for driving growth and creating value, he led the IPO of Foxtons Group plc in 2013, taking the business into the FTSE 250 with a peak market cap. of £1.2bn. His experience in telecoms includes over a decade with BT and C&W globally where his responsibilities included strategy, operations, E-business and marketing. Nic serves as a non-executive director at Joggle.ai, an AI-powered platform supporting small businesses, is a trusted advisor to private equity funds and tech startups and was recognized in 2019 as one of the UK’s Top 50 CEOs by Glassdoor.

Thomas Björklund

CTO

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Passionate tech leader with 27+ years of international experience in telecom, fixed and Mobile. Leadership experience on executive levels such as technology strategy director and Group CTO/EVP. Most of his career Thomas spent at the Tele2 Group. He held several board positions in companies and organizations related to the telecom industry. Thomas has also in addition been acting as independent senior advisor supporting Operators, Investors, Start-ups, Governments among others.

Viktor Augustsson

CRO

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Viktor Augustsson has more than 7 years experience from Management Consulting and Business Development with a primary focus on digitalization in both the Real Estate, Infrastructure and Private Equity Sector in the Nordics. Over the last 2 years, Viktor has specialized in indoor telecom and its implication on the real estate sector. Prior to Proptivity, Viktor held several advisory roles in Capgemini Invent, Stronghold Invest and Niam. Mr Viktor Augustsson holds a MSc from Lund University.

Proptivity a part of the Stronghold Group

Proptivity is part of the Stronghold Group – the leading provider in the real-estate management and development segments

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Newsec is the Full Service eHouse in Northern Europe. Newsec manages €65 Bn of commercial real estate and annually signs lease agreements of some €1.6 million sqm.

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Since 1998 Niam have acquired, developed and managed properties both in and outside of the Nordic region. Niam is today active in Sweden, Norway, Finland, Denmark and Poland.

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