This is the 17823rd most frequent Polish word.
zyskały
"Zyskały" means "they gained" or "they acquired" in English.
Here, 'zyskały' means 'gained' or 'achieved', implying that the companies have become more popular or successful.
Te firmy zyskały na popularności w ostatnich latach.
These companies have gained popularity in recent years.
In this sentence, 'zyskały' refers to the acquisition or obtaining of new customers as a result of the project.
Dzięki temu projektowi zyskały one nowych klientów.
Thanks to this project, they gained new customers.
Here, 'zyskałyśmy' signifies an increase or acquisition in time, applied in the first person plural feminine form.