Castellum AB is one of Sweden's largest and most reputable listed real estate companies. Their portfolio primarily consists of commercial properties, including modern offices, public sector properties (like schools and healthcare facilities), and logistics/warehouse premises. Castellum focuses on sustainable growth in prime locations across Sweden, as well as in Copenhagen, Denmark, and Helsinki, Finland. The company is committed to providing high-quality, flexible, and future-proof premises to a diverse tenant base, emphasizing long-term value creation, responsible property management, and achieving a net-zero carbon footprint.
The Gothenburg headquarters serves as the central nerve center for Castellum's group-wide strategic planning, financial operations, investment decisions, sustainability initiatives, corporate communications, and overall administrative management.
Located in a prime commercial district, the headquarters likely occupies a modern, sustainable office space reflecting Castellum's own standards for high-quality property development, possibly within one of their own managed buildings. It would be designed to foster collaboration and innovation.
The work culture at Castellum's HQ is expected to be professional, dynamic, and collaborative, reflecting typical Nordic values of work-life balance, employee empowerment, innovation, and a strong focus on sustainability and ethical practices.
As the main office for one of the Nordic region's major real estate players, the headquarters is pivotal for steering the company's extensive property portfolio, driving expansion in growth regions, and upholding its commitment to sustainable development and shareholder value.
Castellum's operations are primarily concentrated in Sweden, where it has a strong presence in major growth cities and regions. Beyond Sweden, the company has a significant and growing presence in Copenhagen, Denmark, and Helsinki, Finland. Its international functions support property investment, development, asset management, and leasing activities across these key Nordic markets, leveraging local expertise while adhering to group-wide strategic and sustainability goals.
Östra Hamngatan 16
Göteborg
Västra Götaland
Sweden
Address: Hangövägen 20, 115 41 Stockholm
To spearhead Castellum's growth and market presence in Sweden's capital, catering to the high demand for sustainable and modern commercial premises, and fostering strong relationships with local tenants, investors, and community stakeholders.
Address: Jungmansgatan 12, 211 11 Malmö
To leverage the strategic importance of the Öresund Bridge and the region's strong economic ties, developing and managing properties that serve both Swedish and Danish markets, and contributing to regional growth.
Address: Porkkalankatu 20 A, 00180 Helsinki
To establish and grow Castellum's footprint in Finland, identifying investment opportunities and providing high-quality commercial spaces to meet the demands of the local market.
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
As of April 2025, Castellum' leadership includes:
Castellum has been backed by several prominent investors over the years, including:
Over the past year, Castellum AB has solidified its leadership with the permanent appointment of its CEO and a new CFO. There have also been key changes at the Board level, including a new Chair, and a notable departure from the investment leadership team, reflecting a period of strategic adjustment and reinforcement.
Discover the tools Castellum uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Castellum AB primarily uses a standardized email format for its employees, which typically combines the employee's first name and last name followed by the company domain. This format is common for professional communication.
firstname.lastname@castellum.se
Format
anna.svensson@castellum.se
Example
90%
Success rate
castellum.se (Press Release) • April 24, 2024
Castellum released its Q1 2024 interim report, indicating stable rental income and occupancy rates. The company reported positive net lettings of SEK 32 million and continued focus on strengthening its financial position and advancing sustainability initiatives amidst a challenging market....more
castellum.se (Press Release) • March 21, 2024
Castellum's Annual General Meeting 2024 approved key resolutions, including the proposed dividend to shareholders. Anna-Karin Celsing was elected as the new Chair of the Board, succeeding Per Svensson. Other board members were re-elected, and decisions on remuneration and other statutory matters were passed....more
castellum.se (Press Release) • February 15, 2024
Castellum announced a significant new 15-year lease agreement with the Swedish Police Authority for approximately 8,000 square meters of office space in Västerås. The project includes redevelopment of an existing property to meet modern security and operational standards....more
See where a company’s workforce is located, by country or region.
View past and recent funding rounds with amounts and investors.
Understand company revenue estimates and financial scale.
Track active roles and hiring trends to spot growth signals.
Discover what a company offers—products, platforms, and solutions.
Get the company’s official SIC and NAICS classifications.
Analyze visitor volume, engagement, and top traffic sources.
Explore LinkedIn, Twitter, and other active social profiles.
Identify top competitors based on similar business traits.
Explore companies in depth — from the tech they use to recent funding, hiring trends, and buyer signals — all in one powerful view.
Highperformr AI helps you surface the right accounts and enrich your CRM with verified company and contact insights, so your teams can prioritize and engage faster.
Thousands of companies, including Castellum, are just a search away.