Exhibit 21.1

Subsidiaries of the registrant

1G Acquisitions, LLC, a Delaware Limited Liability Company

1st Global Consulting, Inc., a Texas corporation

1st Global Retirement Services, Inc., a Texas corporation

1st Global Ventures, Inc., a Texas corporation

1st Global, Inc., a Texas corporation

1st Partners & Co, Inc., a Delaware corporation

Avantax Acquisitions, LLC, a Delaware Limited Liability Company

Avantax Acquisition Services, LLC, a Delaware Limited Liability Company

Avantax Advisory Services, Inc., a Texas corporation

Avantax Holdings, Inc., a Delaware corporation

Avantax Insurance Agency LLC, a Massachusetts Limited Liability Company

Avantax Insurance Agency LLC, a Montana Limited Liability Company

Avantax Insurance Agency LLC, a Texas Limited Liability Company

Avantax Insurance Services, Inc., a Texas corporation

Avantax Investment Services, Inc., a Texas corporation

Avantax Planning Partners, Inc., an Iowa corporation

Avantax Wealth Management, Inc., a Texas corporation

Avantax WM Holdings, Inc., a Delaware corporation

AWM Data, LLC, a Delaware Limited Liability Company

BCOR Administrative Services, LLC, a Delaware Limited Liability Company

Financial BluPrint, LLC, a Delaware Limited Liability Company

Go2Net, Inc., a Delaware corporation

HK Alliance, LLC, an Iowa Limited Liability Company

HKFS Aviation, LLC, a Wisconsin Limited Liability Company

Project Baseball Sub, Inc., a Delaware corporation

Spirit Acquisitions, LLC, a Delaware Limited Liability Company