{ "schemaVersion": 1, "organisationId": "O-05c2a3216f22458db53a4a9df00d96bb", "slug": "castellum-ab", "name": "CASTELLUM AB", "updatedAt": "2026-10-04T15:12:13.254997Z", "sections": [ { "type": "OVERVIEW", "text": "Castellum AB is a commercial property owner, investor and developer. Its business focuses on investing in and developing commercial premises, with a stated mission of “Creating workplaces where people and enterprises thrive.” [P140078441][P140078439] Its portfolio is principally in Sweden’s growth cities, with properties also in Copenhagen and Helsinki and exposure to Norway through associated company Entra. The portfolio includes offices, public-sector properties, warehouses and light industrial premises, as well as retail. [P139825761][P140078446]\n\nAt 30 June 2026, Castellum reported 655 investment properties covering 5.156 million square metres. [T15979874] For FY2025, rental and service income was SEK 9,593 million, and the company reported 485 employees at year-end. [T16016993][T16017017]\n[P140078441][P140078439][P139825761][P140078446][T15979874][T16016993][T16017017]", "updatedAt": "2026-10-04T15:12:13.254997Z" }, { "type": "PRODUCTS", "text": "Castellum’s products are commercial spaces including offices, public-sector properties, warehouses and light-industrial and retail premises. Its logistics offer spans large central warehouses through to last-mile locations. The company also provides property management, leasing, new construction, renovation and tenant-specific adaptations. [P140080281][P140078903][https://www.castellum.se/fastigheter/][https://www.castellum.se/logistikerbjudande/]\n\nServices for tenants include local property-team support, service requests and fault reporting, and help with adaptations. Castellum also offers furnished serviced offices and coworking through United Spaces, alongside flexible workspace options. [P140078844][T16017109][https://www.castellum.se/hyresgastservice/][https://www.castellum.se/hyresgastservice/husteam/][https://www.castellum.se/kontorserbjudande/][https://www.castellum.se/lediga-lokaler/coworking-och-kontorshotell/]\n\nTechnical and environmental features include solar PV systems and charging stations; Castellum reported installing 130 PV systems with more than 23 MW of capacity during 2020–2025 and generating 15,609 MWh from its own PV systems in 2025. [P140079134][P140079224] The 2025 annual report lists certifications including Miljöbyggnad, LEED, BREEAM, WELL and NollCO2; certified buildings represented 58% of total property area at year-end 2025. This is a portfolio certification measure, not a share of financial performance. [T16017055] The reviewed reporting does not provide revenue or performance percentages by property type. [P140080281][T16017109]\n[P140080281][P140078903][https://www.castellum.se/fastigheter/][https://www.castellum.se/logistikerbjudande/][P140078844][T16017109][https://www.castellum.se/hyresgastservice/][https://www.castellum.se/hyresgastservice/husteam/][https://www.castellum.se/kontorserbjudande/][https://www.castellum.se/lediga-lokaler/coworking-och-kontorshotell/][P140079134][P140079224][T16017055][https://www.castellum.se/fastigheter/][https://www.castellum.se/logistikerbjudande/][https://www.castellum.se/hyresgastservice/][https://www.castellum.se/hyresgastservice/husteam/][https://www.castellum.se/kontorserbjudande/][https://www.castellum.se/lediga-lokaler/coworking-och-kontorshotell/]", "updatedAt": "2026-10-04T15:12:13.254997Z" }, { "type": "GEOGRAPHY", "text": "Castellum’s direct property operations are concentrated in Sweden, with additional portfolios in Finland and Denmark. Its Swedish regions are Stockholm, West, Central, Mälardalen and Öresund; the company also identifies Copenhagen and Helsinki among its growth-city markets. Castellum reports Norway exposure through its associated company Entra. [P139825761][P140078738]\n\nIn H1 2026, property income totaled SEK 4,449 million. By reported portfolio region, income was Stockholm SEK 1,177 million (26.5%), West SEK 885 million (19.9%), Central SEK 861 million (19.4%), Mälardalen SEK 631 million (14.2%), Öresund SEK 477 million (10.7%), Finland SEK 300 million (6.7%) and Denmark SEK 118 million (2.7%). The five Swedish regions together represented about 90.6% of the total; these percentages are calculated from reported property-income figures and are not a separate breakdown of consolidated group revenue. [T15979874]\n\nCastellum lists head offices in Gothenburg and Stockholm, and offices in Helsinki and Copenhagen. At year-end 2025, associated company Entra’s property-management portfolio covered Oslo, Bergen/Stavanger, Sandvika and Drammen in Norway. [https://www.castellum.se/kontakta-oss/vara-kontor/huvudkontor/][https://castellum.fi/en/contact-information/][https://www.castellum.dk/kontakt-os/][T16017153]\n[P139825761][P140078738][T15979874][T16017153][https://www.castellum.se/kontakta-oss/vara-kontor/huvudkontor/][https://castellum.fi/en/contact-information/][https://www.castellum.dk/kontakt-os/]", "updatedAt": "2026-10-04T15:12:13.254997Z" }, { "type": "SEGMENTS", "text": "Castellum reports geographic operating segments. Its six active segments in the first half of 2026 were Stockholm; West, covering Greater Gothenburg including Borås; Central, covering Örebro, Linköping, Norrköping, Jönköping and Växjö; Mälardalen, covering Uppsala and Västerås; Öresund, covering Malmö, Lund, Helsingborg and Copenhagen; and Finland. The company says its segments are largely identified by geographical area of activity. [P140080264][P140080265][T15979858] Coworking was previously reported as a separate business segment, but was eliminated after the United Spaces divestment in 2025; it is not an active segment in the 2026 H1 results. [P139825697][T15979858]\n\nFor January–June 2026, net operating income was SEK 3,215 million in total. Approximate contributions to that total were Stockholm SEK 841 million (26.2%), West SEK 720 million (22.4%), Central SEK 614 million (19.1%), Mälardalen SEK 410 million (12.7%), Öresund SEK 465 million (14.5%), and Finland SEK 165 million (5.1%). Percentages are calculated from reported segment net operating income. [T15979858]\n[P140080264][P140080265][P139825697][T15979858][T15979858][T15979858][T15979858][T15979858][T15979858][T15979858]", "updatedAt": "2026-10-04T15:12:13.254997Z" }, { "type": "HISTORY", "text": "Castellum’s documented corporate history includes the formation of its A shares on 27 October 1993; the company went public in 1997, when its shares were listed on Nasdaq Stockholm. [P140217853][https://www.castellum.se/investerare/]\n\nIn 2015–2016, Castellum expanded through property acquisitions, including Henry Ståhl Fastigheter and the remaining shares in CORHEI, formerly Henry Ståhl Fastigheter. [https://news.cision.com/castellum/r/castellum-and-heimstaden-enter-into-major-transaction-totalling-sek-2-4-billion%2Cc2110273][https://www.castellum.se/media/pressmeddelanden/pressmeddelande/?slug=castellum-fullfoljer-affaren-i-norrkoping-och-linkoping-koper-aterstoden-av-gamla-stahls-6bc6dea2] In 2016, it also acquired Norrporten, a major portfolio expansion. [https://www.castellum.se/media/pressmeddelanden/pressmeddelande?slug=castellum-forvarvar-norrporten-samt-genomfor-foretradesemission-och-riktad-emission-till-andra-och-sjatte-ap-fonden-d3a50f7f][https://www.castellum.se/media/pressmeddelanden/pressmeddelande?slug=castellum-tilltrader-norrporten-och-beslutar-om-apportemission-och-overlatelse-av-aterkoppta-aktier-0961105c]\n\nIn 2020–2021, Castellum proposed a combination with Norwegian property company Entra and later withdrew its offer; it nevertheless held 33.3% of Entra at the end of 2021. [https://www.castellum.se/media/pressmeddelanden/pressmeddelande/?slug=castellum-lamnar-ett-utbytes-och-kontanterbjudande-till-entras-aktieagare-i-syfte-att-bolagen-ska-ga-samman-9d22f1a8][https://www.castellum.se/media/pressmeddelanden/pressmeddelande/?slug=castellum-drar-tillbaka-det-frivilliga-utbytes-och-kontanterbjudandet-att-forvarva-samtliga-utestaende-aktier-i-entra-asa-c20d3bb8][P140211781] In a separate major transaction, Kungsleden became a Castellum subsidiary in November 2021, and Castellum completed its acquisition of the remaining shares in 2022. [https://www.castellum.se/investerare/forvarv-och-emissioner/budet-pa-kungsleden/][https://www.castellum.se/media/pressmeddelanden/pressmeddelande/?slug=castellum-abs-dotterbolag-kungsleden-ab-har-idag-offentliggjort-en-kallelse-till-fordringshavarmote-under-sitt-mtn-program-for-att-begara-samtycke-till-att-castellum-ab-ersatter-kungsleden-som-emittent]\n[P140217853][P140211781][https://www.castellum.se/investerare/][https://news.cision.com/castellum/r/castellum-and-heimstaden-enter-into-major-transaction-totalling-sek-2-4-billion%2Cc2110273][https://www.castellum.se/media/pressmeddelanden/pressmeddelande/?slug=castellum-fullfoljer-affaren-i-norrkoping-och-linkoping-koper-aterstoden-av-gamla-stahls-6bc6dea2][https://www.castellum.se/media/pressmeddelanden/pressmeddelande?slug=castellum-forvarvar-norrporten-samt-genomfor-foretradesemission-och-riktad-emission-till-andra-och-sjatte-ap-fonden-d3a50f7f][https://www.castellum.se/media/pressmeddelanden/pressmeddelande?slug=castellum-tilltrader-norrporten-och-beslutar-om-apportemission-och-overlatelse-av-aterkoppta-aktier-0961105c][https://www.castellum.se/media/pressmeddelanden/pressmeddelande/?slug=castellum-lamnar-ett-utbytes-och-kontanterbjudande-till-entras-aktieagare-i-syfte-att-bolagen-ska-ga-samman-9d22f1a8][https://www.castellum.se/media/pressmeddelanden/pressmeddelande/?slug=castellum-drar-tillbaka-det-frivilliga-utbytes-och-kontanterbjudandet-att-forvarva-samtliga-utestaende-aktier-i-entra-asa-c20d3bb8][https://www.castellum.se/investerare/forvarv-och-emissioner/budet-pa-kungsleden/][https://www.castellum.se/media/pressmeddelanden/pressmeddelande/?slug=castellum-abs-dotterbolag-kungsleden-ab-har-idag-offentliggjort-en-kallelse-till-fordringshavarmote-under-sitt-mtn-program-for-att-begara-samtycke-till-att-castellum-ab-ersatter-kungsleden-som-emittent]", 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