FOLIOfn Inc. acquired investment adviser firm First Affirmative Financial Network LLC, which specializes in sustainable, responsible and impact investing.

Terms of the purchase agreement were not disclosed. First Affirmative, which has about $1 billion in assets under management or administration, will retain its name and business locations, according to a news release.

FOLIOfn provides investment technology and other services to the financial services industry and through its wholly owned subsidiary, FOLIO Investments Inc., which operates under the brands Folio Investing, Folio Institutional and VIA Folio.