Other specialised construction activities n.e.c. (PKD 43.99.Z)
This subclass includes:
- construction works specialising in one common aspect across different types of structures, requiring specialised skills or equipment, not elsewhere classified:
- carrying out reinforcement works on site,
- assembling and dismantling scaffolding and working platforms,
- installation of protective devices on construction sites,
- specialised construction works requiring climbing skills and the use of special equipment (for example for work at height),
- hiring of cranes and other construction equipment not intended for specific types of structures, together with operator services,
- repair of reinforced concrete structures (for example beams, columns),
- installation of billboards or advertising poles,
- concreting works,
- restoration, renovation, reconstruction and modernisation of historical and archaeological sites and buildings.
Industry statistics (2025)
Number of companies
Companies
345,605
Companies (primary PKD)
39,995
Companies with financials
2,749
Business turnover
Legal structure
Legal formShare of companiesNumber of companies
- JDG86.9%34,773
- Sp. z o.o.11.8%4,726
- Sp. k.0.5%203
- Sp. j.0.4%168
- S.A.0.1%34
- Cooperative0.1%22
- Other0.0%19
- Foundation0.0%15
- P.S.A.0.0%14
- Association0.0%7
Financial results
The calculation excludes new companies that pull financial results down. Only firms with a filing in the previous year are included, so market trends are easier to read.
Median revenue
Ranking
Median revenue compared with other PKD codes.
Top companies by revenue
| # | Company | Legal form | Revenue | Net profit |
|---|---|---|---|---|
| 1 | S.A. | USD 265.32m | USD 379.66k | |
| 2 | S.A. | USD 216.85m | USD 6.93m | |
| 3 | S.A. | USD 129.16m | USD 3.75m | |
| 4 | sp. k. | USD 68.46m | USD 11.02m | |
| 5 | S.A. | USD 63.77m | USD 6.21m | |
| 6 | S.A. | USD 61.80m | USD 1.82m | |
| 7 | S.A. | USD 58.43m | USD 3.59m | |
| 8 | sp. k. | USD 55.41m | USD 2.76m | |
| 9 | sp. z o.o. | USD 47.68m | USD -1.56m | |
| 10 | sp. z o.o. | USD 45.80m | USD 1.89m |
Fastest-growing companies
| # | Company | Legal form | Revenue | Y/Y growth |
|---|---|---|---|---|
| 1 | sp. z o.o. | USD 3.17m | +742.5% y/y | |
| 2 | sp. z o.o. | USD 13.31m | +473.5% y/y | |
| 3 | sp. z o.o. | USD 9.58m | +418.9% y/y | |
| 4 | sp. z o.o. | USD 1.46m | +384.6% y/y | |
| 5 | sp. z o.o. | USD 2.13m | +330.8% y/y | |
| 6 | sp. z o.o. | USD 1.20m | +293.4% y/y | |
| 7 | sp. z o.o. | USD 1.59m | +289.1% y/y | |
| 8 | sp. z o.o. | USD 1.39m | +279.5% y/y | |
| 9 | sp. k. | USD 10.50m | +261.4% y/y | |
| 10 | sp. z o.o. | USD 1.34m | +255.3% y/y |
Stock market
2 companies from this industry are listed.
| Company | Ticker | Market | Price | Change | Market cap |
|---|---|---|---|---|---|
| OND | GPW Main Market | PLN 8.37 | -0.36% | USD 114.07m | |
| MSP | GPW Main Market | PLN 13.05 | +0.77% | USD 6.53m |
Related PKD codes in division 43
FAQ
The primary industry for 39,995 companies is other specialised construction activities n.e.c.. 2,749 entities have filed financial statements.
So far in 2026, 4,037 new companies with PKD 43.99.Z have been registered. In all of 2025, there were 4,603 such companies.
So far in 2026, 626 companies with PKD 43.99.Z have been deregistered. In all of 2025, there were 206 such companies.
In 2025, the median revenue for PKD 43.99.Z was USD 339.71k and the mean revenue was USD 2.00m, based on 1,719 financial statements. Averages and medians include only companies that file financial statements, excluding sole proprietorships.
Yes, in 2025, the median net profit was USD 13.81k, down from 2024 (USD 14.87k). Among all 678 industries in Poland, PKD 43.99.Z ranks 218th, putting it in the top 32%.
The most common legal form for PKD 43.99.Z is a sole proprietorship, used by 34,773 companies in this industry (86.9% of the total). In second place is sp. z o.o. (4,726 companies, 11.8%), and in third place – sp. k. (203 companies, 0.5%).








