Overview
SEK-MAR specializes in construction and renovation projects for the building and shipbuilding industries. The company provides masonry, paving, interior finishing, electrical and plumbing services, as well as assembly, hull, painting, metalwork and welding services for ships and other watercraft.
Financials
Revenue history (in k)
Filing timeliness
1 of 5 financial statements was filed late (for 2021, 48 days late).
- 202516/06/2026
- 202409/06/2025
- 202327/06/2024
- 202210/07/2023
- 202101/09/2022
Data and insights are generated automatically from financial statements – they may contain errors and are neither a credit assessment nor business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2025.
Results vs industry
Industry
Offer
- Building construction
- Building renovation
- Shipbuilding
- Ship repair
- Masonry work
- Electrical work
- Welding services
- Joinery installation
Website technology
- Website
- WordPress
- Analytics and marketing
- Google Analytics
- Google Tag Manager
Authorized Representatives
Manner of representation
Each member of the management board independently represents the company and makes statements on its behalf.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Emilia Agnieszka Sekidaage 39 | 5 | $135.06 | 10% |
Mariusz Sekidaage 38 | 45 | $1,215.56 | 90% |
Mariusz Sekida and Emilia Agnieszka Sekida hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2024-10-01.
10 1600 1114 1865 9865 2000 0003- 37 1600 1114 1865 9865 2000 0002
- 64 1600 1114 1865 9865 2000 0001
Debt
No entries in the National Debtors Register (KRZ).
Public aid
6 public aid cases recorded, with a total value of $10,846.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Mar 5, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | PREZYDENT MIASTA GDYNIA | |
| Jun 17, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | PIERWSZY URZĄD SKARBOWY W GDYNI | |
| Jan 27, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | PIERWSZY URZĄD SKARBOWY W GDYNI |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Servermastersp. z o.o. | $1,597,893.65 | servermaster.pl | ||
| Subcontractorsp. z o.o. | $1,499,572.36 | subcontractor.com.pl | ||
| Service Developmentsp. z o.o. | $1,491,878.10 | sdevelopment.pl | ||
| SKDsp. z o.o. | $1,108,461.28 | skdbud.pl | ||
| Fasthouse Servicesp. z o.o. | $1,087,569.75 | fasthouse.pl | ||
| Ag-Mar Engineeringsp. z o.o. | $1,069,741.90 | ag-mar.com | ||
| KEY Constructionsp. z o.o. | $1,040,535.32 | keyconstruction.pl | ||
| Specbud Constructionsp. z o.o. | $860,012.72 | specbudinvestment.pl | ||
| Admarsp. z o.o. | $775,653.18 | admar.opole.pl | ||
| Husdomsp. z o.o. | $439,914.72 | husdom.pl |
Change history
| Date | Event | |
|---|---|---|
| 2024-09-06 | Address change (Ul. Władysława Iv 43, 81-395, Gdynia → Ul. Starowiejska 16/2, 81-356, Gdynia) | |
| 2022-08-18 | Address change (Ul. Bolesława Krzywoustego 12, 81-035, Gdynia → Ul. Władysława Iv 43, 81-395, Gdynia) | |
| 2021-07-05 | PKD change (Removed: 46, 49.4; Added: 25, 77) | |
| 2021-02-19 | Address change (Ul. Helska 16/2, 81-056, Gdynia → Ul. Bolesława Krzywoustego 12, 81-035, Gdynia) | |
| 2021-02-08 | Entered in the register |
FAQ
Last updated: 2026-10-05