A few do. However, it is generally the exception as most angel groups are seeking companies that are beyond the concept stage. Typically, angel groups are looking for experienced management teams with concepts that have been validated in the market. Consider screening the angel groups to determine if they are interested in concept plays. If they are, it will be indicated on their website. You might also consider applying for an accelerator program. Accelerators are designed to grow seedling concepts and will support your efforts to succeed. Here again, we would suggest you do your homework and identify which accelerators are the best mutual fit to increase your probability of acceptance.