Salaries, pensions and social support payments will also be deposited into customers’ accounts as usual.
However, some businesses reported that Visa Electron cards were not working properly.
Although a huge majority of banks were closed, the S-Bank group was open for business as well as some Osuuspankki Group branches.
Automatia, the company that services automatic cash machines, says there had only been a slight increase in cash withdrawals over weekend. The company says the upcoming finance industry strike won't affect cash dispensers.
“We loaded machines with a little more money than usual this weekend. On a regular Monday morning some 10 to 20 ATMs run out of cash. The situation right now looks good. On Sunday morning 99.5 percent of machines were working and dispensing cash,” says Automatia's CEO Antti Kuorikoski.
The industrial action follows the rejection by unions of a compromise proposal to resolve a dispute over salaries and terms of work.
Some 30,000 workers in the financial sector have downed their pens in the industrial action, including supervisors, specialists and professional staff.
Finland last saw a bank strike in February 1990.