Daszkal Bolton LLP has been a Nasdaq company, Net Element's auditing firm since 2015. Progressive Care's independent director, Oleg Firer is this company's executive chairman (ticker NETE).
See Page F-2 in Net Element's (NETE) most recent 10K : "Daszkal Bolton LLP We have served as the Company’s auditor since 2015. Fort Lauderdale, Florida March 30, 2020"
Daszkal Bolton LLP is also the auditing firm of some other Nasdaq companies. Search the company's name on PCAOB (Public Company Accounting Oversight Board) website: