Business plan write who needs to do research

We are searching for a good business plan writer who can work out brand attributes, product ideas, market pain points, product and service specifications, etcetera for a startup business. The startup focuses on offering consultancy services for product information management (PIM) solutions. Also, the startup will help businesses with online marketing and web shop development. Furthermore, the startup will specialize in supporting wholesale companies with so-calledcustomer intimacy marketing approaches. It is essential to understand that we do not look for a writer who can only write beautiful text without in-depth and practical info. We are looking for an entrepreneur who can write a to-the-point action plan. The plan will be used internally and therefore needs to be very clear regarding taking action.