Transparency International (TI) is a Global Think Tank. It’s aim is to counter Corruption, particularly in Government.
While Swinson’s husband, Duncan Hames is Director of Policy at TIs UK Chapter, the grant from the EU was actually to TIs EU Chapter based in Berlin, not the UK chapter.
One of its recent findings was that the Brexit Party MEP have the highest outside incomes than any other party in the EU Parliament.
http://transparency.eu/mep-outside-incomes/