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Castellum Danmark A/S

Public limited companyCVR 33507704København VActive

Castellum Danmark A/S is a public limited company, based in København V, active in other professional, scientific and technical activities n.e.c., founded in 2011. The company made a loss in both 2024 and 2025, most recently DKK 5.6m. With 13 employees, the company is about 7 times larger than the industry median. Gross profit is higher than that of 81% of the companies in the industry in the database.

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Key figures · financial year 2025

Gross profitDKK 7.4m−13.2% vs. 2024
Net profit−DKK 5.6m+78.9% vs. 2024
EquityDKK 168.2m+1.4% vs. 2024
Employees13latest month from CVR

What has changed

calculated from recorded figures and dates

Financials: 2025 against 2024

  • Gross profit fell 13% (2024 → 2025), to DKK 7.4m.
  • The loss got smaller: from DKK 26.4m to DKK 5.6m (2024 → 2025).
  • Equity rose 1% (2024 → 2025), to DKK 168.2m.

Employees

  • 4 fewer employees than a year earlier: 13 (08/2026) against 17 (08/2025).

Management and owners, last 24 months

  • New in management: Lars Örjan Rystedt (board member, 30/09/2026), Lars Örjan Rystedt (director, 30/09/2026) and Hans Martin Christoffer Strömbäck (chair of the board, 30/09/2026).
  • Stepped down: Carl Ola Mattias Orsmark (board member, 30/09/2026), Carl Ola Mattias Orsmark (director, 30/09/2026) and Per Fredrik Berglund (chair of the board, 30/09/2026).
  • New owners registered: Castellum Syd AB (30/09/2026).
  • No longer registered as owner: Castellum Öresund AB (30/09/2026).

Calculated from the latest two annual reports in sequence and from registrations in CVR. A figure that is missing in either year gives no line, and we derive no figures.

Financial statements

Financial years 2020–2025 · amounts in DKK thousand

Equity and net profit

−DKK 100m−DKK 50mDKK 0DKK 50mDKK 100mDKK 150mDKK 200mDKK 250m202020212022202320242025
EquityNet profit
Financial figures for Castellum Danmark A/S
202020212022202320242025Change
Revenuenot statednot statednot statednot statednot statednot stated–
Gross profit10,2936,2798,70511,2208,5247,401−13.2%
Operating profit (EBIT)−781−4,987−5,316−2,214−5,401−6,833−26.5%
Profit before tax−8,3907,292−57,158−49,356−28,006−6,664+76.2%
Net profit−8,2478,347−57,223−49,010−26,419−5,580+78.9%
Total assets560,372569,710679,249389,727282,615237,520−16%
Equity113,017121,364232,279192,270165,851168,171+1.4%
Liabilities441,986440,907440,409197,457116,76569,349−40.6%
Average number of employees121211131315+15.4%

Source: annual reports filed with the Danish Business Authority (XBRL). Figures for the company (not the group); change is the latest year against the year before. “–” means the figure is not stated in the annual report. Revenue is not stated for 2020, 2021, 2022, 2023, 2024, 2025: smaller companies may omit it, and we do not derive it from other figures.

Download the figures as CSV · free with an account, amounts in whole DKK

DKK 0DKK 2mDKK 4mDKK 6mDKK 8mDKK 10mDKK 12m202020212022202320242025
Gross profitMedian, the industry (310 companies)

Signals from the financial statements

calculated from the 2025 figures

  • Loss for 4 years in a row

    Net result has been negative in 2022–2025.

    How is this calculated?

    Net result is negative in the two or more latest annual reports in a row.

The signals are rules applied to the figures in the annual reports. They are not an assessment or credit rating of the company. See Data and method.

Annual reports

6 financial years
Annual reports for Castellum Danmark A/S
Financial yearPeriodPublishedFigures forDocuments
202501/01/2025 – 31/12/202522/06/2026The companyPDF not statedXBRL
202401/01/2024 – 31/12/202426/05/2025The companyPDFXBRL
202301/01/2023 – 31/12/202311/06/2024The companyPDFXBRL
202201/01/2022 – 31/12/202221/06/2023The companyPDFXBRL
202101/01/2021 – 31/12/202116/06/2022The companyPDFXBRL
202001/01/2020 – 31/12/202022/06/2021The companyPDFXBRL

The figures from all the annual reports are shown on this page. The documents themselves (PDF and XBRL, the machine-readable edition) are downloaded with a Pro account: sign in or create a free account, and then choose Pro. XBRL is the edition the figures on the page are read from.

Employees

monthly figures from CVR
0246810121416182009/2310/2311/2312/2301/2402/2403/2404/2405/2406/2407/2408/2409/2410/2411/2412/2401/2502/2503/2504/2505/2506/2507/2508/2509/2510/2511/2512/2501/2602/2603/2604/2605/2606/2607/2608/26
Employees

Position in the industry

310 companies in the database

Comparison with the other companies in other professional, scientific and technical activities n.e.c. based on the latest financial year.

Gross profitDKK 7.4mNo. 61 of 309
Better than 81% of the companies in the industry
EquityDKK 168.2mNo. 3 of 310
Better than 99% of the companies in the industry
Number of employees13No. 35 of 310
Better than 89% of the companies in the industry

Industry median: gross profit DKK 1.9m, net profit DKK 142k, equity DKK 1.1m, 2 employees.

DKK 100kDKK 708kDKK 5mDKK 35.5mDKK 130.8mHere
Distribution of gross profit for 278 companies in the industry (latest financial year, logarithmic scale). Amber bar: where this company sits.

Compared with similar companies

size, age and company form
Rank among similar companies
GroupGross profitEquity
Companies with fewer than 20 employees69,967 companies in the comparison
No. 7,891of 69,742
Better than 89%
No. 1,198of 69,964
Better than 98%
Same industry and fewer than 20 employees281 companies in the comparison
No. 34of 281
Better than 88%
No. 2of 281
Better than 100%
Companies that are between 15 and 29 years old24,910 companies in the comparison
No. 7,464of 24,791
Better than 70%
No. 909of 24,909
Better than 96%
All companies of type A/S18,025 companies in the comparison
No. 10,334of 17,786
Better than 42%
No. 1,623of 18,024
Better than 91%

The rank is calculated among companies in the database with a figure for the latest financial year, and is shown only for groups of at least ten companies.

Compare with the industry

Other professional, scientific and technical activities n.e.c.
Gross profit
  1. Castellum Danmark A/SDKK 7.4m
  2. Clearwater Denmark K/SDKK 251.1m
  3. Bureau Veritas Denmark A/SDKK 149.1m
Net profit
  1. Castellum Danmark A/S−DKK 5.6m
  2. Clearwater Denmark K/SDKK 134.2m
  3. Bureau Veritas Denmark A/SDKK 17.3m
Equity
  1. Castellum Danmark A/SDKK 168.2m
  2. Clearwater Denmark K/SDKK 76.4m
  3. Bureau Veritas Denmark A/SDKK 18.7m
Employees
  1. Castellum Danmark A/S13
  2. Clearwater Denmark K/S56
  3. Bureau Veritas Denmark A/S161

Latest financial year per company. Choose up to three companies from the largest in the industry.

Owners and group

from the Public Ownership Register
Owners
  • Castellum Syd AB100%
Castellum Danmark A/S

Management

4 active registrations

Executive management

Executive management at Castellum Danmark A/S
NameRoleAppointed
Lars Örjan RystedtDirector30/09/2026

Board of directors

Board of directors at Castellum Danmark A/S
NameRoleAppointed
Bo Lykke MohrBoard member01/11/2023
Lars Örjan RystedtBoard member30/09/2026
Hans Martin Christoffer StrömbäckChair of the board30/09/2026
Founders
Ulf Bo Gunnar Östenson
Former management (13)
Former management at Castellum Danmark A/S
NameRoleAppointedResigned
Ulf Magnus ProchéusBoard member02/03/201115/12/2011
Ulf Bo Gunnar ÖstensonBoard member02/03/201124/01/2014
Ulf Bo Gunnar ÖstensonDirector02/03/201124/01/2014
Elisabeth René NilssonChair of the board09/05/201210/10/2014
John Henrik SaxbornBoard member09/05/201224/08/2016
Tage Harry ChristofferssonBoard member24/01/201410/10/2014
Tage Harry ChristofferssonCEO24/01/201410/10/2014
Carl Ola Mattias OrsmarkBoard member10/10/201430/09/2026
Carl Ola Mattias OrsmarkDirector10/10/201430/09/2026
Ann-Kristin KatalinicChair of the board10/10/201404/09/2018
Ulrika DanielssonBoard member24/08/201608/11/2021
Per Fredrik BerglundChair of the board04/09/201830/09/2026
Bettina LangeBoard member08/11/202101/11/2023

Signing rule: Selskabet tegnes af to medlemmer af bestyrelsen i forening eller af den samlede bestyrelse i forening.

Address and production units

1 active production units

Havneholmen 25
1561 København V

København Municipality · Postcode 1561

Production units
Production unitAddressEmployeesP number
Castellum Danmark A/SHavneholmen 25, 10, 1561 København V131016687118

Purpose

Selskabets formål er at erhverve, eje, udvikle og sælge fast ejendom i eget regi eller via datterselskaber samt aktivitet relateret til dette.

The purpose is quoted from the register in Danish.

Changes year by year

49 registered events
20269 changesmanagement 6 · ownership 2 · accounts 1
  • Lars Örjan Rystedt appointed board member
  • Lars Örjan Rystedt appointed director
  • Hans Martin Christoffer Strömbäck appointed chair of the board
  • Per Fredrik Berglund stepped down as chair of the board
  • Carl Ola Mattias Orsmark stepped down as director
  • Carl Ola Mattias Orsmark stepped down as board member
  • Castellum Syd AB registered as owner (100%)
  • Castellum Öresund AB is no longer registered as owner
  • Annual report for 2025 published
20251 changeaccounts 1
  • Annual report for 2024 published
20241 changeaccounts 1
  • Annual report for 2023 published
20234 changesmanagement 2 · accounts 1 · address 1
  • Bo Lykke Mohr appointed board member
  • Bettina Lange stepped down as board member
  • Annual report for 2022 published
  • Moved to Havneholmen 25, 10, 1561 København V
20221 changeaccounts 1
  • Annual report for 2021 published
20213 changesmanagement 2 · accounts 1
  • Bettina Lange appointed board member
  • Ulrika Danielsson stepped down as board member
  • Annual report for 2020 published
20202 changesaddress 2
  • Moved to Kay Fiskers Plads 9, 2300 København S
  • Moved to Kay Fiskers Plads 9, 2300 København S
20182 changesmanagement 2
  • Per Fredrik Berglund appointed chair of the board
  • Ann-Kristin Katalinic stepped down as chair of the board
20171 changeaddress 1
  • Moved to Kay Fiskers Plads 9, 2300 København S
20164 changesaddress 1 · name 1 · management 2
  • Moved to Havneholmen 25, 1561 København V
  • Name changed from BRIGGEN DANMARK A/S to Castellum Danmark A/S
  • Ulrika Danielsson appointed board member
  • John Henrik Saxborn stepped down as board member
201410 changesmanagement 10
  • Carl Ola Mattias Orsmark appointed director
  • Carl Ola Mattias Orsmark appointed board member
  • Ann-Kristin Katalinic appointed chair of the board
  • Tage Harry Christoffersson stepped down as board member
  • Tage Harry Christoffersson stepped down as ceo
  • Elisabeth René Nilsson stepped down as chair of the board
  • Tage Harry Christoffersson appointed board member
  • Tage Harry Christoffersson appointed ceo
  • Ulf Bo Gunnar Östenson stepped down as board member
  • Ulf Bo Gunnar Östenson stepped down as director
20123 changesaddress 1 · management 2
  • Moved to Roskildevej 22, 2620 Albertslund
  • John Henrik Saxborn appointed board member
  • Elisabeth René Nilsson appointed chair of the board
20118 changesmanagement 4 · name 1 · address 1 · founded 1 · ownership 1
  • Ulf Magnus Prochéus stepped down as board member
  • Name changed from BRIGGEN HOLDING A/S to BRIGGEN DANMARK A/S
  • Moved to Strandvejen 72, 1, 2900 Hellerup
  • Registered as BRIGGEN HOLDING A/S
  • Ulf Bo Gunnar Östenson appointed board member
  • Ulf Bo Gunnar Östenson appointed director
  • Ulf Magnus Prochéus appointed board member
  • Castellum Öresund AB registered as owner (100%)

Related companies

Same industry in København

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Same people in management

Largest in the industry

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Source and updates

The information comes from the Danish Central Business Register (Danish Business Authority) and from annual reports filed with the Danish Business Authority. Last synchronised 24/10/2026.

View in CVRReport a correction