Insights

Sustainable Leadership Castellum's commitment to becoming entirely climate neutral by 2030 and its unique status as the only Nordic property and construction company listed on the Dow Jones Sustainability Index highlight its emphasis on sustainability. This focus presents opportunities to offer green building materials, energy management solutions, and sustainability consultancy services targeted at enhancing their environmental credentials.

Expanding Market Presence With active operations across Swedish growth regions, Copenhagen, and Helsinki, Castellum's extensive footprint in attractive urban areas signals potential for partnerships in regional development projects, technology upgrades, and facility management services tailored to rapidly expanding markets.

Technological Innovation The company's use of advanced tech stacks including AWS, Google Analytics, and Optimizely suggests openness to digital transformation initiatives. This creates sales opportunities in smart building solutions, data analytics services, and digital leasing platforms to improve operational efficiency and tenant engagement.

Recent financial health and strategic investments Castellum's large property portfolio valued at SEK 124 billion, along with their active growth strategy, shows a stable financial foundation. Sales prospects include property management systems, financial analytics, and investment advisory services to support their ongoing expansion and sustainability goals.

B2G Collaboration Potential Castellum's recent contracts and focus on its federal cybersecurity and electronic warfare subsidiaries indicate a strong alignment with government and defense sector needs. This opens doors for potential sales of cybersecurity solutions, surveillance technology, and specialized software services tailored for government agency collaborations.

Similar companies to Castellum

Castellum Tech Stack

Castellum uses 8 technology products and services including Optimizely, Amazon Web Services, cdnjs, and more. Explore Castellum's tech stack below.

  • Optimizely
    A/B Testing
  • Amazon Web Services
    Cloud Hosting
  • cdnjs
    Content Delivery Network
  • Open Graph
    Content Management System
  • Microsoft 365
    Email
  • yepnope.js
    Javascript Frameworks
  • Windows Server
    Operating Systems
  • Google Analytics
    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
50%
First.Last@castellum.seJohn.Doe@castellum.se
50%

Frequently Asked Questions

Where is Castellum's headquarters located?

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Castellum's main headquarters is located at 16 Östra Hamngatan Goeteborg, Vaestra Goetaland 411 09 Sweden. The company has employees across 3 continents, including EuropeNorth AmericaSouth America.

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.

How much revenue does Castellum generate?

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As of April 2026, Castellum's annual revenue is estimated to be $880M.

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 April 2026, Castellum has approximately 570 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 OptimizelyAmazon Web ServicescdnjsOpen GraphMicrosoft 365yepnope.jsWindows ServerGoogle Analytics.

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.

When was Castellum founded?

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Castellum was founded in 1993.

Castellum

Real EstateVästra Götaland, Sweden501-1000 Employees

Castellum is one of the Nordic region’s largest listed property companies with a property value of approximately SEK 124 billion, including our participation in the Norwegian company Entra ASA. We are active in attractive Swedish growth regions as well as in Copenhagen and the Helsinki area. 250,000 people go to work every day in our properties.We develop flexible workplaces and logistics solutions with a lettable area of 3.9 million square meters. One of our sustainability goals is to become entirely climate neutral by 2030 at the latest. Castellum is the only Nordic property and construction company elected to the Dow Jones Sustainability Index (DJSI). The Castellum share is listed on Nasdaq Stockholm Large Cap.

Section iconCompany Overview

Headquarters
16 Östra Hamngatan Goeteborg, Vaestra Goetaland 411 09 Sweden
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

  • $10M$25M

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

Section iconFunding & Financials

  • $10M$25M

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

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