cyg.uk: Excellent. 'Cyg' is the standard prefix for cygnet or Cygnus. Highly brandable.
cyn.uk: A standard prefix (cynic) and a common name (Cynthia). Very solid indeed.
daq.uk: Data Acquisition. A remarkably standard, heavy-duty technology acronym. Splendid.
frq.uk: A logical, universally understood abbreviation for 'Frequency'.
ldx.uk: 'LD' denotes London, and 'X' denotes Exchange. It sounds frightfully corporate and expensive.
nxd.uk: Non-Executive Director. Every corporate boardroom is full of them. An excellent business acronym.
wiv.uk: Regional dialect for 'with'. Highly brandable for a youth-focused media endeavour.