Other technical testing and analysis (PKD 71.20.B)
This subclass includes activities related to the inspection and issuing of opinions on the technical condition of chimneys and ventilation ducts
This subclass excludes:
- inspection of chimneys and ventilation ducts related to their repair or installation, classified in the relevant subclasses of section F.
Industry statistics (2025)
Number of companies
Companies
67,087
Companies (primary PKD)
4,128
Companies with financials
1,089
Business turnover
Legal structure
Legal formShare of companiesNumber of companies
- JDG60.2%2,484
- Sp. z o.o.31.9%1,316
- Sp. j.4.2%172
- Sp. k.1.2%50
- Cooperative0.7%30
- Foundation0.5%20
- Association0.5%20
- S.A.0.3%13
- Other0.3%13
- P.S.A.0.1%3
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 | sp. z o.o. | USD 41.84m | USD -409.04k | |
| 2 | sp. z o.o. | USD 29.60m | USD -776.16k | |
| 3 | sp. z o.o. | USD 19.93m | USD 1.22m | |
| 4 | sp. z o.o. | USD 19.80m | USD 930.52k | |
| 5 | sp. k. | USD 14.25m | USD -450.64k | |
| 6 | sp. z o.o. | USD 14.20m | USD 269.37k | |
| 7 | sp. z o.o. | USD 11.09m | USD 105.38k | |
| 8 | S.A. | USD 8.87m | USD -431.44k | |
| 9 | sp. z o.o. | USD 8.69m | USD 818.05k | |
| 10 | sp. z o.o. | USD 8.69m | USD 395.72k |
Fastest-growing companies
| # | Company | Legal form | Revenue | Y/Y growth |
|---|---|---|---|---|
| 1 | sp. z o.o. | USD 2.56m | +402.0% y/y | |
| 2 | sp. z o.o. | USD 1.62m | +361.1% y/y | |
| 3 | sp. z o.o. | USD 1.78m | +193.8% y/y | |
| 4 | sp. z o.o. | USD 1.66m | +173.9% y/y | |
| 5 | sp. z o.o. | USD 680.85k | +168.3% y/y | |
| 6 | sp. z o.o. | USD 5.12m | +154.7% y/y | |
| 7 | sp. z o.o. | USD 874.95k | +126.3% y/y | |
| 8 | sp. z o.o. | USD 1.55m | +125.3% y/y | |
| 9 | sp. z o.o. | USD 1.67m | +124.5% y/y | |
| 10 | sp. z o.o. | USD 1.63m | +123.6% y/y |
Stock market
1 company from this industry is listed.
| Company | Ticker | Market | Price | Change | Market cap |
|---|---|---|---|---|---|
| CTE | NewConnect | PLN 0.02 | +13.33% | USD 1.46m |
Related PKD codes in division 71
FAQ
The primary industry for 4,128 companies is other technical testing and analysis. 1,089 entities have filed financial statements.
So far in 2026, 24 new companies with PKD 71.20.B have been registered. In all of 2025, there were 31 such companies.
So far in 2026, 24 companies with PKD 71.20.B have been deregistered. In all of 2025, there were 38 such companies.
In 2025, the median revenue for PKD 71.20.B was USD 220.74k and the mean revenue was USD 818.57k, based on 758 financial statements. Averages and medians include only companies that file financial statements, excluding sole proprietorships.
Yes, in 2025, the median net profit was USD 11.51k, an improvement on 2024 (USD 9.19k). Among all 674 industries in Poland, PKD 71.20.B ranks 246th, putting it in the top 37%.
The most common legal form for PKD 71.20.B is a sole proprietorship, used by 2,484 companies in this industry (60.2% of the total). In second place is sp. z o.o. (1,316 companies, 31.9%), and in third place – sp. j. (172 companies, 4.2%).


