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Sirène Ooono ApS

Private limited companyCVR 40429352ValbyActive

Sirène Ooono ApS is a private limited company, based in Valby, active in manufacture of instruments and appliances for measuring, testing and navigation, founded in 2019. The company made a loss in both 2024 and 2025, most recently DKK 2.3m. Equity grew to DKK 5.6m in 2025.

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Key figures · financial year 2025

Gross profit−DKK 156k−130.2% vs. 2024
Net profit−DKK 2.3m−37.5% vs. 2024
EquityDKK 5.6m+4,892.2% vs. 2024
Employees4latest month from CVR

What has changed

calculated from recorded figures and dates

Financials: 2025 against 2024

  • Gross profit fell 130% (2024 → 2025), to −DKK 156k.
  • The loss grew: from DKK 1.7m to DKK 2.3m (2024 → 2025).
  • Equity rose 4,892% (2024 → 2025), to DKK 5.6m.

Management and owners, last 24 months

  • New owners registered: Heiko Albert Otto (30/01/2025) and Holdingselskabet af 9. december 2025 A/S (26/01/2026).
  • No longer registered as owner: Ooono A/S (26/01/2026).

Registrations, last 24 months

  • 01/01/2025: Industry changed to Manufacture of instruments and appliances for measuring, testing and navigation (265100)

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 4m−DKK 2mDKK 0DKK 2mDKK 4mDKK 6m202020212022202320242025
EquityNet profit
Financial figures for Sirène Ooono ApS
202020212022202320242025Change
Revenue0not statednot statednot statednot statednot stated–
Gross profit−459−114−1,349515−156−130.2%
Operating profit (EBIT)−4−24−601−3,336−823−2,356−186.4%
Profit before tax−4−25−602−3,806−1,220−2,747−125.2%
Net profit−4−25−602−2,647−1,691−2,325−37.5%
Total assets205612,6157,7106,4505,588−13.4%
Equity1151−550−3,1981115,552+4,892.2%
Liabilities95103,16610,9076,33936−99.4%
Cash and cash equivalents141262415792113−36.1%
Average number of employees–––220−100%

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 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 2mDKK 0DKK 2mDKK 4mDKK 6mDKK 8m202020212022202320242025
Gross profitMedian, the industry (140 companies)

Signals from the financial statements

calculated from the 2025 figures

  • Loss for 6 years in a row

    Net result has been negative in 2020–2025.

    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 Sirène Ooono ApS
Financial yearPeriodPublishedFigures forDocuments
202501/01/2025 – 31/12/202512/05/2026The companyPDF not statedXBRL
202401/01/2024 – 31/12/202408/05/2025The companyPDFXBRL
202301/01/2023 – 31/12/202328/05/2024The companyPDFXBRL
202201/01/2022 – 31/12/202210/05/2023The companyPDF not statedXBRL
202101/01/2021 – 31/12/202104/05/2022The companyPDF not statedXBRL
202001/01/2020 – 31/12/202022/07/2021The companyPDF not statedXBRL

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
01234503/2204/2205/2206/2207/2208/2209/2210/2211/2212/2201/2302/2303/2304/2305/2306/2307/2308/2309/2310/23
Employees

Position in the industry

140 companies in the database

Comparison with the other companies in manufacture of instruments and appliances for measuring, testing and navigation based on the latest financial year.

Gross profit−DKK 156kNo. 134 of 140
Better than 4% of the companies in the industry
EquityDKK 5.6mNo. 65 of 140
Better than 54% of the companies in the industry
Number of employees4No. 134 of 140
Better than 4% of the companies in the industry

Industry median: gross profit DKK 5.6m, net profit DKK 614k, equity DKK 4.2m, 7 employees.

DKK 100kDKK 1.3mDKK 15.9mDKK 200.3mDKK 1.1bn
Distribution of gross profit for 132 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. 66,558of 69,742
Better than 5%
No. 13,214of 69,964
Better than 81%
Same industry and fewer than 20 employees91 companies in the comparison
No. 85of 91
Better than 7%
No. 20of 91
Better than 79%
Companies that are between 5 and 14 years old33,688 companies in the comparison
No. 32,422of 33,588
Better than 3%
No. 5,638of 33,687
Better than 83%
All companies of type ApS66,508 companies in the comparison
No. 63,835of 66,379
Better than 4%
No. 10,445of 66,505
Better than 84%

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

Manufacture of instruments and appliances for measuring, testing and navigation
Gross profit
  1. Sirène Ooono ApS−DKK 156k
  2. Radiometer Medical ApSDKK 2.5bn
  3. Kamstrup A/SDKK 1.5bn
Net profit
  1. Sirène Ooono ApS−DKK 2.3m
  2. Radiometer Medical ApSDKK 851m
  3. Kamstrup A/SDKK 503.3m
Equity
  1. Sirène Ooono ApSDKK 5.6m
  2. Radiometer Medical ApSDKK 4.3bn
  3. Kamstrup A/SDKK 1.6bn
Employees
  1. Sirène Ooono ApS4
  2. Radiometer Medical ApS1,292
  3. Kamstrup A/S1,226

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
  • Heiko Albert Otto5%
  • Holdingselskabet af 9. december 2025 A/S90%
Sirène Ooono ApS

Management

1 active registrations

Executive management

Executive management at Sirène Ooono ApS
NameRoleAppointed
Christian Walther ØyrabøCEO30/04/2024
Founders
Camilla Dalsgaard Sonne
Former management (9)
Former management at Sirène Ooono ApS
NameRoleAppointedResigned
Camilla Dalsgaard SonneDirector08/04/201919/04/2021
Kristine Bro SkovgaardDirector15/04/202018/04/2021
Camilla Højberg PedersenDirector15/04/202019/04/2021
Caroline Louise LilleørDirector15/04/202019/04/2021
Lasse EriksenBoard member19/04/202111/02/2022
Christian Walther ØyrabøChair of the board19/04/202130/04/2024
Kristine Bro SkovgaardCEO19/04/202130/04/2024
Kristine Bro SkovgaardBoard member19/04/202130/04/2024
Caroline Louise LilleørBoard member19/04/202130/04/2024

Signing rule: Selskabet tegnes af én direktør.

Address and production units

2 active production units

Gearhalsvej 1
2500 Valby

København Municipality · Postcode 2500

Production units
Production unitAddressEmployeesP number
SIRÈNE OOONO ApSGearhalsvej 1, 1, 2500 Valby41024600145
SIRÈNE OOONO ApSSonnesgade 9, 1. th, 8000 Aarhus C–1028693520

Purpose

Virksomhedens formål er at drive virksomhed med produktion, udvikling og fremstilling af soft- og hardware samt hermed forbundet virksomhed.

The purpose is quoted from the register in Danish.

Changes year by year

68 registered events
20263 changesaccounts 1 · ownership 2
  • Annual report for 2025 published
  • Holdingselskabet af 9. december 2025 A/S registered as owner (90%)
  • OOONO A/S is no longer registered as owner
20253 changesaccounts 1 · ownership 1 · industry 1
  • Annual report for 2024 published
  • Heiko Albert Otto registered as owner (5%)
  • Industry changed to Manufacture of instruments and appliances for measuring, testing and navigation (265100)
202414 changesaccounts 1 · capital 1 · management 5 · ownership 7
  • Annual report for 2023 published
  • Share capital changed from 80,000 DKK to 100,000 DKK
  • Christian Walther Øyrabø appointed ceo
  • Christian Walther Øyrabø stepped down as chair of the board
  • Kristine Bro Skovgaard stepped down as ceo
  • Kristine Bro Skovgaard stepped down as board member
  • Caroline Louise Lilleør stepped down as board member
  • OOONO A/S registered as owner (90%)
  • C. Lilleoer Holding ApS is no longer registered as owner
  • OOONO A/S is no longer registered as owner
  • KSkov Holding 2015 ApS is no longer registered as owner
  • OOONO A/S registered as owner (66.67%)
  • Camilla Højberg Holding ApS is no longer registered as owner
  • CDSONNE HOLDING ApS is no longer registered as owner
20232 changesownership 1 · accounts 1
  • OOONO A/S is no longer registered as owner
  • Annual report for 2022 published
20224 changesname 1 · accounts 1 · address 1 · management 1
  • Name changed from CEDI by ooono ApS to SIRÈNE OOONO ApS
  • Annual report for 2021 published
  • Moved to Gearhalsvej 1, 1, 2500 Valby
  • Lasse Eriksen stepped down as board member
202131 changesaccounts 1 · name 2 · capital 2 · management 9 · ownership 17
  • Annual report for 2020 published
  • Name changed from CEDI Alert ApS to CEDI by ooono ApS
  • Share capital changed from 40,000 DKK to 80,000 DKK
  • Christian Walther Øyrabø appointed chair of the board
  • Lasse Eriksen appointed board member
  • Kristine Bro Skovgaard appointed ceo
  • Kristine Bro Skovgaard appointed board member
  • Caroline Louise Lilleør appointed board member
  • Camilla Højberg Pedersen stepped down as director
  • Caroline Louise Lilleør stepped down as director
  • Camilla Dalsgaard Sonne stepped down as director
  • KSkov Holding 2015 ApS registered as owner (10%)
  • Camilla Højberg Holding ApS registered as owner (10%)
  • OOONO A/S registered as owner (50%)
  • C. Lilleoer Holding ApS registered as owner (10%)
  • CDSONNE HOLDING ApS registered as owner (10%)
  • Kristine Bro Skovgaard stepped down as director
  • KSkov Holding 2015 ApS is no longer registered as owner
  • Camilla Højberg Holding ApS is no longer registered as owner
  • C. Lilleoer Holding ApS is no longer registered as owner
  • CDSONNE HOLDING ApS is no longer registered as owner
  • Name changed from CEDI Alert IVS to CEDI Alert ApS
  • Share capital changed from 15,000 DKK to 40,000 DKK
  • KSkov Holding 2015 ApS registered as owner (25%)
  • Camilla Højberg Holding ApS registered as owner (25%)
  • C. Lilleoer Holding ApS registered as owner (25%)
  • CDSONNE HOLDING ApS registered as owner (25%)
  • Caroline Louise Lilleør is no longer registered as owner
  • Camilla Højberg Pedersen is no longer registered as owner
  • Kristine Bro Skovgaard is no longer registered as owner
  • Camilla Dalsgaard Sonne is no longer registered as owner
20208 changesname 1 · industry 1 · management 3 · ownership 3
  • Name changed from MYSS IVS to CEDI Alert IVS
  • Industry changed to Manufacture of communication equipment (263000)
  • Camilla Højberg Pedersen appointed director
  • Caroline Louise Lilleør appointed director
  • Kristine Bro Skovgaard appointed director
  • Caroline Louise Lilleør registered as owner (25%)
  • Camilla Højberg Pedersen registered as owner (25%)
  • Kristine Bro Skovgaard registered as owner (25%)
20193 changesfounded 1 · management 1 · ownership 1
  • Registered as MYSS IVS
  • Camilla Dalsgaard Sonne appointed director
  • Camilla Dalsgaard Sonne registered as owner (25%)

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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. The company is protected against advertising; contact details are not shown, and the data must not be used for marketing.

View in CVRReport a correction