Freshwater aquaculture (PKD 03.22.Z)
This subclass includes:
- breeding and rearing of fish in fish ponds and inland waters, including breeding and rearing of ornamental fish in fish ponds and inland waters,
- breeding and rearing of crustaceans, mussels, other molluscs and other aquatic organisms in inland waters,
- activities of freshwater fish hatcheries,
- breeding and rearing of frogs,
- breeding and rearing of crocodiles,
- cultivation of seaweeds and algae (including edible algae) in inland waters,
- cultivation of microalgae in inland waters.
This subclass excludes:
Industry statistics (2025)
Number of companies
Companies
3,442
Companies (primary PKD)
307
Companies with financials
122
Business turnover
Legal structure
Legal formShare of companiesNumber of companies
- Sp. z o.o.60.3%185
- JDG28.0%86
- Sp. j.4.2%13
- Association2.9%9
- Sp. k.1.6%5
- Cooperative1.3%4
- Foundation1.0%3
- S.A.0.7%2
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 33.35m | USD 8.35m | |
| 2 | sp. z o.o. | USD 11.40m | USD 734.56k | |
| 3 | S.A. | USD 6.62m | USD -2.44m | |
| 4 | sp. z o.o. | USD 6.01m | USD 533.33k | |
| 5 | sp. z o.o. | USD 3.53m | USD 9.73k | |
| 6 | sp. z o.o. | USD 3.14m | USD 173.96k | |
| 7 | sp. z o.o. + limited partnership | USD 3.13m | USD 274.81k | |
| 8 | sp. z o.o. | USD 3.09m | USD 86.95k | |
| 9 | sp. z o.o. | USD 3.07m | USD 837.00k | |
| 10 | sp. z o.o. | USD 2.88m | USD 370.77k |
Fastest-growing companies
| # | Company | Legal form | Revenue | Y/Y growth |
|---|---|---|---|---|
| 1 | sp. z o.o. | USD 1.74m | +500.5% y/y | |
| 2 | sp. z o.o. + limited partnership | USD 3.13m | +98.9% y/y | |
| 3 | sp. z o.o. | USD 11.40m | +97.9% y/y | |
| 4 | sp. z o.o. | USD 943.29k | +69.6% y/y | |
| 5 | S.A. | USD 6.62m | +66.5% y/y | |
| 6 | sp. z o.o. | USD 666.98k | +41.0% y/y | |
| 7 | sp. z o.o. | USD 1.88m | +30.1% y/y | |
| 8 | sp. z o.o. | USD 883.90k | +30.1% y/y | |
| 9 | sp. z o.o. | USD 1.11m | +28.7% y/y | |
| 10 | sp. z o.o. | USD 33.35m | +24.4% y/y |
Stock market
No companies from this industry are listed.
Related PKD codes in division 03
FAQ
The primary industry for 307 companies is freshwater aquaculture. 122 entities have filed financial statements.
So far in 2026, 11 new companies with PKD 03.22.Z have been registered. In all of 2025, there were 6 such companies.
So far in 2026, 2 companies with PKD 03.22.Z have been deregistered. In all of 2025, there were 7 such companies.
In 2025, the median revenue for PKD 03.22.Z was USD 473.85k and the mean revenue was USD 1.37m, based on 89 financial statements. Averages and medians include only companies that file financial statements, excluding sole proprietorships.
Yes, in 2025, the median net profit was USD 4.07k, an improvement on 2024 (USD 2.42k). Among all 674 industries in Poland, PKD 03.22.Z ranks 396th, placing it among the weakest 41%.
The most common legal form for PKD 03.22.Z is sp. z o.o., used by 185 companies in this industry (60.3% of the total). In second place is a sole proprietorship (86 companies, 28.0%), and in third place – sp. j. (13 companies, 4.2%).

