A lot of thought has gone into each everyone of your designs but #28 and #29 has just raised the bar. We can still see how less is more and I think #29 would still carry well in an email and easily transposed into printable invoices. Good work.

I know time is money and your efforts are appreciated, so lets incease the price fund.
Just realised I can't edit my post so for clarity, in my last post those words are 'and' and 'commercial'.

Although I appreciate all your efforts, we need to kill the cog theme. #1 nailed it and then #6 and #7 took the lead - no pun intended - by being adventurist. The colour theme in #11 thro #15 is good. I like the blue / charcaol colours. I guess if I was selling milling machine parts of gearbox spares then fine. We do domestic annd comercial appliance spares. How about a washing machine theme.

Ok guys, its all good work but I must say #1 and #4 appear to be in the right direction. #2 is a bit to busy, I think the font is wrong here. #3 can we see that using the same colour theme as the site.
#5 could work as it will fit into the working space inside the header of the site but needs a rethink. I'm not sure if everyone has actually looked at the site for inspiration.

Nice start to this first offer. You are on the right tracks and I see you took the inititive to take the colour theme from the web site. I'm not sure how far we can take this and as we have nothing to compare it with I have asked my members for feedback. I will report back later.