- Cherished Numbers Dealers Association
- Contains the option to advertise a cherished number, or search and make an offer. Focused towards the United Kingdom.
- Manufacturer of custom unofficial personalizes car tags and license plates, mirror, monogrammed, cotton, polka dot, zebra stripes, custom names, horses, and vinyl decals.
- Dictionary of Custom License Plate Terms
- Common terms and abbreviations, tips for creating your own plates, humorous potential plates, and links.
- Swiftreg website provides a simple, search facility showing many different registration numbers available. Just type your initials, a number or a short name. A number plate can be considered to be a personalised plate if it has some relevance to the owners name or even the car it is displayed on, IE "M5 BMW" or "JO55 HHN". Many people choose their names or initials to be displayed on those cars. They offer expert advice to buy DVLA unissued and previously owned private number plates.