Poland is set to join an ever-growing roster of European countries taking unilateral tax measures against international tech companies to ensure they pay fair tax wherever they operate and make profit.

“We definitely aim to introduce digital taxation, probably with effect from the next year,” Poland’s deputy finance minister Filip Switala told Bloomberg Tax in an exclusive April 29 telephone interview.

The move comes after the EU Economic and Financial Affairs Council (ECOFIN) failed to agree on an EU-wide digital advertising tax during its March 12 meeting. The tax was already a watered-down version of what was initially conceived...