Insights

Sustainability Focus Castellum aims to be climate neutral by 2030 and is the only Nordic property and construction company on the Dow Jones Sustainability Index, highlighting a strong ESG story to leverage with sustainability-minded tenants and investors.

Strategic Geography Active presence in major Nordic growth regions including Sweden, Copenhagen, and Helsinki, plus a large lettable area and daily workforce footfall, presenting opportunities to offer flexible workplaces, logistics space, and regional expansion support.

Scale and Footfall Owns 3.9 million square meters of lettable area with about 250,000 daily workers in Castellum properties, which suggests potential cross-sell of workspace solutions, facility management, and tenant-driven service enhancements.

Public Market Position Listed on Nasdaq Stockholm Large Cap with substantial property value and growth profile, indicating credibility for partner ecosystems, bundled services, and long-term contracted facilities management opportunities.

Growth & Diversification Recent activity and press around defense and technology services from Castellum’s extended ecosystem point to opportunities in smart building tech, cybersecurity-enabled facilities, and data-driven logistics solutions for tenants and corporate clients.

Similar companies to Castellum

Castellum Tech Stack

Castellum uses 8 technology products and services including gstatic.com, OneTrust, Appen, and more. Explore Castellum's tech stack below.

  • gstatic.com
    Content Delivery Network
  • OneTrust
    Cookie Compliance
  • Appen
    Customer Data Platforms
  • Dow Jones
    Intelligence And Analytics
  • Modernizr
    Javascript Libraries
  • Windows Server
    Operating Systems
  • Ubuntu
    Operating Systems
  • Google Search Console
    Web Analytics

Media & News

Castellum's Email Address Formats

Castellum uses at least 1 format(s):
Castellum Email FormatsExamplePercentage
First.Last@castellum.seJohn.Doe@castellum.se
99%
First.MiddleLast@castellum.seJohn.MichaelDoe@castellum.se
1%

Frequently Asked Questions

What is Castellum's phone number?

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You can contact Castellum's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Castellum's stock symbol?

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Castellum is a publicly traded company; the company's stock symbol is CTM.

What is Castellum's official website and social media links?

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Castellum's official website is castellum.se and has social profiles on LinkedInCrunchbase.

What is Castellum's SIC code NAICS code?

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Castellum's SIC code is 6531 - Real Estate Agents and Managers NAICS code is 531 - Real Estate.

How many employees does Castellum have currently?

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As of July 2026, Castellum has approximately 563 employees across 3 continents, including EuropeNorth AmericaSouth America. Key team members include Cio: E. O.Chief Sustainability Officer: F. E.Chief Marketing Officer: M. H.. Explore Castellum's employee directory with LeadIQ.

What industry does Castellum belong to?

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Castellum operates in the Real Estate industry.

What technology does Castellum use?

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Castellum's tech stack includes gstatic.comOneTrustAppenDow JonesModernizrWindows ServerUbuntuGoogle Search Console.

What is Castellum's email format?

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Castellum's email format typically follows the pattern of First.Last@castellum.se. Find more Castellum email formats with LeadIQ.

How much funding has Castellum raised to date?

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As of July 2026, Castellum has raised $552M in funding. for $552M.

When was Castellum founded?

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Castellum was founded in 1993.
Castellum logo

Castellum

Real EstateVästra Götaland, Sweden501-1000 Employees

Castellum is a major listed real estate company in the Nordic region, focused on owning and developing properties that support flexible offices and logistics. Its activity spans growth regions in Sweden as well as Copenhagen and the Helsinki area, with about 250,000 people working daily in its properties. The company is based in Gothenburg, Västra Götaland, Sweden, and its shares trade on Nasdaq Stockholm Large Cap.

Its portfolio encompasses around 3.9 million square meters of lettable space designed to accommodate evolving tenant needs. It emphasizes sustainability, aiming to be climate neutral by 2030 and is the only Nordic property and construction company elected to the Dow Jones Sustainability Index. Its holdings also include participation in the Norwegian company Entra ASA.

Section iconCompany Overview

Phone number
SIC Code
6531 - Real Estate Agents and Managers
Stock Symbol
CTM
NAICS Code
531 - Real Estate
Founded
1993
Employees
501-1000

Section iconFunding & Financials

  • $552M

    Castellum has raised a total of $552M of funding over 1 rounds. in the amount of $552M.

  • $10M$25M

    Castellum's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $552M

    Castellum has raised a total of $552M of funding over 1 rounds. in the amount of $552M.

  • $10M$25M

    Castellum's revenue is estimated to be in the range of $10M$25M

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