Sega Byg ApS
Private limited companyCVR 42505013København SActive
Sega Byg ApS is a private limited company, based in København S, active in joinery installation, founded in 2021. Net profit rose 221% from 2024 to 2025, ending at DKK 992k. Equity grew to DKK 1.9m in 2025.
Key figures · financial year 2025
What has changed
calculated from recorded figures and datesFinancials: 2025 against 2024
- Gross profit rose 33% (2024 → 2025), to DKK 3.7m.
- Net profit rose 221% (2024 → 2025), to DKK 992k.
- Equity rose 93% (2024 → 2025), to DKK 1.9m.
Employees
- 6 more employees than a year earlier: 11 (07/2026) against 5 (07/2025).
Registrations, last 24 months
- 14/04/2025: Moved to Robert Jacobsens Vej 99, 2. th, 2300 København S
- 01/01/2025: Industry changed to Joinery installation (433200)
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 2021–2025 · amounts in DKK thousandEquity and net profit
| 2021 | 2022 | 2023 | 2024 | 2025 | Change | |
|---|---|---|---|---|---|---|
| Revenue | not stated | not stated | not stated | not stated | not stated | – |
| Gross profit | 1,579 | 2,530 | 1,486 | 2,756 | 3,668 | +33.1% |
| Operating profit (EBIT) | 790 | 1,167 | −1,002 | 398 | 1,289 | +224.2% |
| Profit before tax | 783 | 1,159 | −1,017 | 383 | 1,290 | +236.5% |
| Net profit | 607 | 898 | −796 | 309 | 992 | +221.2% |
| Total assets | 1,778 | 2,963 | 3,777 | 3,489 | 4,639 | +33% |
| Equity | 780 | 1,622 | 753 | 1,003 | 1,934 | +92.9% |
| Liabilities | 974 | 1,319 | 3,005 | 2,486 | 2,702 | +8.7% |
| Cash and cash equivalents | 276 | 184 | 129 | 155 | 1,641 | +958.7% |
| Average number of employees | – | – | – | – | 5 | – |
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
Annual reports
5 financial years| Financial year | Period | Published | Figures for | Documents |
|---|---|---|---|---|
| 2025 | 01/01/2025 – 31/12/2025 | 22/06/2026 | The company | PDF not statedXBRL |
| 2024 | 01/01/2024 – 31/12/2024 | 13/05/2025 | The company | PDF not statedXBRL |
| 2023 | 01/01/2023 – 31/12/2023 | 30/06/2024 | The company | PDF not statedXBRL |
| 2022 | 01/01/2022 – 31/12/2022 | 08/05/2023 | The company | PDF not statedXBRL |
| 2021 | 01/01/2021 – 31/12/2021 | 30/06/2022 | The company | PDF 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 CVRPosition in the industry
3,429 companies in the databaseComparison with the other companies in joinery installation based on the latest financial year.
Industry median: gross profit DKK 2m, net profit DKK 133k, equity DKK 623k, 4 employees.
Compared with similar companies
size, age and company form| Group | Gross profit | Equity |
|---|---|---|
| Companies with fewer than 20 employees69,967 companies in the comparison | No. 18,746of 69,742 Better than 73% | No. 24,760of 69,964 Better than 65% |
| Same industry and fewer than 20 employees3,046 companies in the comparison | No. 694of 3,045 Better than 77% | No. 507of 3,046 Better than 83% |
| Companies that are between 5 and 14 years old33,688 companies in the comparison | No. 11,223of 33,588 Better than 67% | No. 11,029of 33,687 Better than 67% |
| All companies of type ApS66,508 companies in the comparison | No. 18,719of 66,379 Better than 72% | No. 20,881of 66,505 Better than 69% |
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
Joinery installation- Sega Byg ApSDKK 3.7m
- Egil Rasmussen A/SDKK 370.7m
- Jakon A/SDKK 197.1m
- Sega Byg ApSDKK 992k
- Egil Rasmussen A/SDKK 65.4m
- Jakon A/SDKK 66.1m
- Sega Byg ApSDKK 1.9m
- Egil Rasmussen A/SDKK 212.5m
- Jakon A/SDKK 205.4m
- Sega Byg ApS11
- Egil Rasmussen A/S523
- Jakon A/S446
Latest financial year per company. Choose up to three companies from the largest in the industry.
Owners and group
from the Public Ownership Register- Sean Daniel Lilja Gannon100%
Management
1 active registrationsExecutive management
| Name | Role | Appointed |
|---|---|---|
| Sean Daniel Lilja Gannon | Director | 30/06/2021 |
- Founders
- Sean Daniel Lilja Gannon
Signing rule: Virksomheden tegnes af en direktør
Address and production units
1 active production unitsRobert Jacobsens Vej 99
2300 København S
| Production unit | Address | Employees | P number |
|---|---|---|---|
| SEGA BYG ApS | Robert Jacobsens Vej 99, 2. th, 2300 København S | 9 | 1027307589 |
Purpose
Virksomhedens formål er at drive tømrer- og snedkervirksomhed samt hermed beslægtet virksomhed
The purpose is quoted from the register in Danish.
Changes year by year
10 registered events20261 changeaccounts 1
- AccountsAnnual report for 2025 published
20253 changesaccounts 1 · address 1 · industry 1
- AccountsAnnual report for 2024 published
- AddressMoved to Robert Jacobsens Vej 99, 2. th, 2300 København S
- IndustryIndustry changed to Joinery installation (433200)
20241 changeaccounts 1
- AccountsAnnual report for 2023 published
20231 changeaccounts 1
- AccountsAnnual report for 2022 published
20221 changeaccounts 1
- AccountsAnnual report for 2021 published
20213 changesfounded 1 · management 1 · ownership 1
- FoundedRegistered as SEGA BYG ApS
- ManagementSean Daniel Lilja Gannon appointed director
- OwnershipSean Daniel Lilja Gannon registered as owner (100%)
Related companies
Same industry in København
- Jats Entreprise A/S29 employees
- Dannova Byg ApS27 employees
- Gisselbæk A/S27 employees
- Holst & Lundgren A/S24 employees
- Andersen & Tardini ApS19 employees
- Martin Egeskov A/s, Snedker- og Tømrerfirma17 employees
Largest in the industry
- Egil Rasmussen A/SDKK 370.7m
- Jakon A/SDKK 197.1m
- Snedkermester Arne Pedersen A/SDKK 144.5m
- Deko P/SDKK 126.2m
- Bytømreren Service A/SDKK 99.2m
- Bgb A/SDKK 77m
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.