I need a double sided, A5 flyer/leaflet designed

Information for the business: We support entrepreneurs starting their own business
Design details: Double sided A5 leaflet/flyer
Gloss finish

We provide all the content, you provide the design.

Preferably a designer that can deliver the design file(s) in a format that the leaflet printers can use to print (without having to do any modification). Suggestions for quality printers who can deliver to London welcome.
Target audience: 70% male, 30% female audience. People looking to start their own business. 24-35 years of age, based in London
Number of pages needed: 2 (double sided)
Content on the front/back side and body: Front: logo, text, background colours/image. Back: logos and small amount of text, background colour
Ideas for the visual style: Clear and easy to read, Stands out, looks attractive so people will want to pick up and read more.
Things to avoid: Cluttered text/images.
Extra notes: This is required within 7 business days.