This is a clever logo which uses negative space to give dimension to the letters. The H is hard to see at first and forces the observer to look at it for a while until it appears. The use of shadows and tone makes it look professional
this logo is extremely minimalist but gets the point across very well. The I in time is transformed into the shape of an analog clock. because the logo is a simple black of white, it gives the onlooker a very simple futuristic feel.
I'm having a little trouble resolving in my mind the relation between the text, 'HARP', and the image of a safety pin. And although I do still like the use of the pin as an 'A' in the design, overall I do not find the logo very memorable.