Klasse Byg ApS

CVR 44493330Private limited company (ApS)Tømrer- og bygningssnedkeraktiviteter (433200)SøborgFounded 12 Dec 2023

Employees

CVR registry, Jul 2026

+1 (+25%) over 12 months

Gross profit

1,5M

DKK, annual report 2025

Result

+283,7K

DKK, annual report 2025

Equity

385,4K

DKK, annual report 2025

Who Is Behind It

Owners

Lasse Madsen Sieben50% to under 66,7% of capital and votes, since 12 Dec 2023

Karl Thor Søndergaard50% to under 66,7% of capital and votes, since 12 Dec 2023

Director

Lasse Madsen Siebensince 12 Dec 2023

Ownership

Lasse Madsen Sieben
50% to under 66,7% of capital and votessince 12 Dec 2023
Karl Thor Søndergaard
50% to under 66,7% of capital and votessince 12 Dec 2023

Holders of 5% or more, from the owner register. CVR records shares in bands, not exact figures.

People

Current (1)

Lasse Madsen SiebenExecutive board since 12 Dec 2023

Founders (2)

Karl Thor SøndergaardFounded 12 Dec 2023, holds a current role
Lasse Madsen SiebenFounded 12 Dec 2023, holds a current role

CVR records founders at incorporation. It does not record whether they are alive or still involved.

Network

CompanyPersonShared by two or more of its peopleThicker lines are ownershipSource: CVR, read 19 Oct 2026. Each current person is followed to their other current roles, at most 10 companies each. Their own people are not drawn.

The Network as a List

Its people and their other companies

Lasse Madsen Sieben 50% to under 66,7% of capital and votes
No other current company drawn.
Karl Thor Søndergaard 50% to under 66,7% of capital and votes
No other current company drawn.

Network

Roles Over Time

Lasse Madsen Sieben: Executive board, 12 Dec 2023 to today.

12 Dec 2023 to 19 Oct 2026.

Executive board (Direktion)Each bar is one role, from its start to its end or today. Bars in a group share one scale. Source: CVR.

Financials

Annual report figures by year, DKK thousands
Metric	2024	2025
Gross profit	379	1.536
Operating profit	+55	+364
Result for the year	+42	+284
Equity	102	385
Total assets	248	670
Employees (average)	Not reported	3

DKK thousands. Annual reports via XBRL. Employees are the annual report's average and may cover a group. Not every period is a full year: 2024 covers 10 months (12 Dec 2023 to 30 Sep 2024). Changes against it compare periods of different length.

Annual Reports

Annual report 2025
1 Oct 2024 to 30 Sep 2025, published 31 Mar 2026
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Annual report 2024
12 Dec 2023 to 30 Sep 2024, published 25 Mar 2025
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Changes

All changes

19 Oct 2026
Klasse Byg ApS has changed ownership. A new strategy and new needs can be expected.
Signal, a Dandex estimate. Lapses 21 Jan 2027.
23 Sep 2026
Ownership change
Klasse Byg ApS (CVR 44493330) har foretaget ejerskifte pr. 23. september 2026: 2 indtrådt.
12 Dec 2023
Director change
Klasse Byg ApS (CVR 44493330) har foretaget direktørskifte pr. 12. december 2023: 1 indtrådt.

Registration

Address: Tolstojs Alle 31
2860 Søborg
Gladsaxe Municipality
CVR record last changed: 23 Sep 2026
Data read: 19 Oct 2026

Production Units

1 registered in CVR.

Klasse Byg ApS
P-number 1029915071Tolstojs Alle 31, 2860 Søborg

Source: the Central Business Register (CVR, datacvr.virk.dk), Erhvervsstyrelsen. Annual reports via XBRL. Values marked Dandex estimate are computed by Dandex from that data, not registered.

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