We've only used them for one trip, and it wasn't for work - but given that LCY is convenient for us and convenient to use we thought that the LG flights were perfectly good and much preferable to hauling ourselves out to LHR.

The only caveat is that if you're going to do this regularly, you might want to work out a way of getting the tickets cost-effectively. LG's own website charges you a €20 service fee just for the pleasure of making a booking.