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Alt Byg ApS

Private limited companyCVR 28508824GrindstedActive

Alt Byg ApS is a private limited company, based in Grindsted, active in roofing activities, founded in 2005. After a loss in 2024, the company made a profit of DKK 538k in 2025. Equity grew to DKK 1.1m in 2025.

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Key figures · financial year 2025

Gross profitDKK 4.8m−4.4% vs. 2024
Net profitDKK 538k+233.4% vs. 2024
EquityDKK 1.1m+104.6% vs. 2024
Employees6latest month from CVR

What has changed

calculated from recorded figures and dates

Financials: 2025 against 2024

  • Gross profit fell 4% (2024 → 2025), to DKK 4.8m.
  • Net profit went from a loss of DKK 403k to a profit of DKK 538k (2024 → 2025).
  • Equity rose 105% (2024 → 2025), to DKK 1.1m.

Employees

  • 3 fewer employees than a year earlier: 6 (08/2026) against 9 (08/2025).

Registrations, last 24 months

  • 01/01/2025: Industry changed to Roofing activities (434100)

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 600k−DKK 400k−DKK 200kDKK 0DKK 200kDKK 400kDKK 600kDKK 800kDKK 1mDKK 1.2m202020212022202320242025
EquityNet profit
Financial figures for Alt Byg ApS
202020212022202320242025Change
Revenuenot statednot statednot statednot statednot statednot stated–
Gross profit3,4102,7584,0245,4464,9744,754−4.4%
Operating profit (EBIT)1,0531237251,008−435754+273.3%
Profit before tax930100673970−507692+236.5%
Net profit72578519753−403538+233.4%
Total assets1,9581,9431,9612,9502,1052,624+24.6%
Equity−132−544641,2175141,052+104.6%
Liabilities2,0901,9971,4961,7161,5911,553−2.4%
Cash and cash equivalents3203743700––
Average number of employees6567108−20%

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 1mDKK 2mDKK 3mDKK 4mDKK 5m202020212022202320242025
Gross profitMedian, the industry (261 companies)

Annual reports

6 financial years
Annual reports for Alt Byg ApS
Financial yearPeriodPublishedFigures forDocuments
202501/01/2025 – 31/12/202512/05/2026The companyPDF not statedXBRL
202401/01/2024 – 31/12/202416/06/2025The companyPDFXBRL
202301/01/2023 – 31/12/202320/03/2024The companyPDFXBRL
202201/01/2022 – 31/12/202214/03/2023The companyPDFXBRL
202101/01/2021 – 31/12/202121/03/2022The companyPDFXBRL
202001/01/2020 – 31/12/202029/01/2021The 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
02468101209/2310/2311/2312/2301/2402/2403/2404/2405/2406/2407/2408/2409/2410/2411/2412/2401/2502/2503/2504/2505/2506/2507/2508/2509/2510/2511/2512/2501/2602/2603/2604/2605/2606/2607/2608/26
Employees

Position in the industry

261 companies in the database

Comparison with the other companies in roofing activities based on the latest financial year.

Gross profitDKK 4.8mNo. 79 of 261
Better than 70% of the companies in the industry
EquityDKK 1.1mNo. 120 of 261
Better than 54% of the companies in the industry
Number of employees6No. 71 of 261
Better than 73% of the companies in the industry

Industry median: gross profit DKK 2.6m, net profit DKK 345k, equity DKK 964k, 4 employees.

DKK 100kDKK 584kDKK 3.4mDKK 19.9mDKK 64.5mHere
Distribution of gross profit for 258 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. 14,207of 69,742
Better than 80%
No. 32,998of 69,964
Better than 53%
Same industry and fewer than 20 employees224 companies in the comparison
No. 44of 224
Better than 81%
No. 86of 224
Better than 62%
Companies that are between 15 and 29 years old24,910 companies in the comparison
No. 10,070of 24,791
Better than 59%
No. 17,863of 24,909
Better than 28%
All companies of type ApS66,508 companies in the comparison
No. 14,511of 66,379
Better than 78%
No. 28,895of 66,505
Better than 57%

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

Roofing activities
Gross profit
  1. Alt Byg ApSDKK 4.8m
  2. Hovedstadens Bygningsentreprise A/SDKK 116.1m
  3. Byens Tag og Facade A/SDKK 85.3m
Net profit
  1. Alt Byg ApSDKK 538k
  2. Hovedstadens Bygningsentreprise A/SDKK 36.7m
  3. Byens Tag og Facade A/SDKK 14.3m
Equity
  1. Alt Byg ApSDKK 1.1m
  2. Hovedstadens Bygningsentreprise A/SDKK 95.6m
  3. Byens Tag og Facade A/SDKK 51.4m
Employees
  1. Alt Byg ApS6
  2. Hovedstadens Bygningsentreprise A/S181
  3. Byens Tag og Facade A/S90

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
  • Lsø Holding ApS33.33%
  • Nicolai Østergaard Holding ApS33.33%
  • Mathias Trøllund Schmidt Holding ApS10%
Alt Byg ApS

Management

1 active registrations

Executive management

Executive management at Alt Byg ApS
NameRoleAppointed
Svend ØstergaardDirector17/03/2005
Founders
Svend Østergaard

Signing rule: Selskabet tegnes af en direktør.

Address and production units

1 active production units

Danmarksvej 18
7200 Grindsted

Billund Municipality · Postcode 7200

Production units
Production unitAddressEmployeesP number
ALT BYG ApSDanmarksvej 18, 7200 Grindsted61011206677

Purpose

Selskabets formål er at drive virksomhed indenfor tagdækning, anden tømrer- og snedkervirsomhed, samt anden hermed beslægtet virksomhed.

The purpose is quoted from the register in Danish.

Changes year by year

18 registered events
20261 changeaccounts 1
  • Annual report for 2025 published
20252 changesaccounts 1 · industry 1
  • Annual report for 2024 published
  • Industry changed to Roofing activities (434100)
20242 changesownership 1 · accounts 1
  • Mathias Trøllund Schmidt Holding ApS registered as owner (10%)
  • Annual report for 2023 published
20231 changeaccounts 1
  • Annual report for 2022 published
20222 changesownership 1 · accounts 1
  • Nicolai Østergaard Holding ApS registered as owner (33.33%)
  • Annual report for 2021 published
20211 changeaccounts 1
  • Annual report for 2020 published
20201 changeaddress 1
  • Moved to Danmarksvej 18, 7200 Grindsted
20182 changesaddress 2
  • Moved to Heimdalsvej 30, 7200 Grindsted
  • Moved to Heimdalsvej 30, 7200 Grindsted
20171 changeaddress 1
  • Moved to Heimdalsvej 30, 7200 Grindsted
20072 changesownership 1 · address 1
  • LSØ HOLDING ApS registered as owner (33.33%)
  • Moved to Nollundvej 116, Nollund, 7200 Grindsted
20053 changesindustry 1 · founded 1 · management 1
  • Industry changed to Tagdækningsvirksomhed (452200)
  • Registered as ALT BYG ApS
  • Svend Østergaard appointed director

Related companies

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.

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