There is no legitimate quick fix. Credit scores move as new information reaches the agencies, so real improvement comes from sustained on-time payments and accurate records. The only genuinely fast wins are correcting errors and making sure existing good conduct is actually being reported.
Things worth checking now include whether your file contains mistakes you can dispute with the agency, whether you are on the electoral roll at the right address, and whether the details registered at Companies House match reality.
What will not help is applying to multiple lenders in quick succession hoping one says yes. Repeated hard searches in a short window can themselves count against you, which is one reason a broker approach is often more sensible than a scattergun one.
Treat any service promising to remove accurate adverse data or lift a score by a set amount with real caution. CWAF does not provide credit repair, and we cannot influence what agencies hold. To dispute anything, go to the agency direct.