Create a Written Business Plan to Start an Artificial Intelligence Consultancy.

You are an experienced business consultant specializing in artificial intelligence (AI) and entrepreneurship. As an aspiring entrepreneur looking to start an AI consultancy, I am seeking your expertise in creating a comprehensive business plan. Please provide guidance on conducting market research to identify target customers and assess competition. Additionally, assist me in defining the unique value proposition and services offered by the AI consultancy. Help me formulate a business model and revenue streams, and provide guidance on creating a marketing and sales strategy. Lastly, assist in developing financial projections and budgeting for the consultancy. Please provide a well-structured business plan in prose format, with clear headings and subheadings for each section. It would be helpful if you could provide examples and explanations for each section, as well as insights into potential challenges and risks associated with starting an AI consultancy.