Finding a gap in the market — an unmet or underserved need that a business could profitably address — is how many successful ventures begin. It is also one of the questions new founders ask most often, and the honest answer is that there is no single formula. What works depends heavily on the market you are exploring and the customer problems you are willing to investigate.
Market gaps typically emerge in a few predictable ways: an existing product or service is too expensive or difficult to access for a particular customer segment; an established solution does not adequately address the needs of a specific group; a market is being served by large or complacent incumbents who are slow to adapt; or a change in technology, regulation, or consumer behaviour has created new possibilities that existing businesses have not yet addressed.
Not every apparent gap represents a real opportunity — some exist because the market is too small, the problem is not urgent enough to drive purchasing, or the economics do not stack up. Testing assumptions through customer conversations is the most reliable way to distinguish genuine opportunity from one that looks better in theory. Our guides to idea validation and market research cover practical next steps for UK founders.