This table shows all the sponsors that have advertised during the show. Some data has been drawn from The Countdown Page.
|Sponsor||Start Date||End Date||Notes|
|The Times||22/08/1994||30/09/1994||First sponsor.|
|Seven Seas||11/01/1999||28/04/2000||Before the break an anagram was displayed. The answer was displayed after the break, with the caption 'Did you get it?'|
|Lyons Corner House Cakes||18/05/2000||14/08/2000||Each day of the week was taken up by a different product of their range; Mondays − French Sandwich, Tuesday − Cup Cakes, Wednesday − Swiss Roll, Thursday − Viennese Whirls and Friday − Battenberg.|
|Digital UK||05/03/2007||04/03/2008||Not technically a sponsor.|
|Vitabiotics||17/05/2010||20/12/2013||Consists of a range of Vitabiotics products; Wellman, Wellwoman, Jointace, Pregnacare, Osteocare, Visionace, Cardioace, Wellkid, Menopace, Immunace and Neurozan.|
|Vale Bridgecraft||06/01/2014||04/04/2014||Notably came up with QUILATY before every show.|
|Betterlife from Lloyds Pharmacy||19/05/2014||23/12/2015|
|HSL: Your Chair Specialists||04/01/2016||23/12/2016|
|Ibuleve Gel||03/01/2017||22/12/2017||Adverts included people engaged in various physical activities accompanied by nine-letter anagrams with topical answers (e.g. FOSTEREDS → DEFORESTS being unscrambled over a photo of a lumberjack chopping wood). Notably, two of these anagrams had the answers ballgames ☓ and elbowroom ☓, which were not valid in any Oxford Dictionary Online edition used in 2017. For reasons unknown, Episode 6601 did not carry Ibuleve sponsorship.|
|Gala Bingo||02/01/2018||21/12/2018||Unlike its predecessors, sponsors appeared for all new weekday afternoon programmes on Channel 4 and do not appear in the early morning repeats of the show. Subsequent sponsors up until Recliner Factory in January 2023 followed this format.|
|Key Equity Release||14/01/2021||13/01/2022||Featured eight to twelve letter anagrams (e.g. HEAPSNIPS → HAPPINESS) with the answer revealed either after the show ended or before the end of the jingle. Episode 7451 and 7452 did not carry the sponsorship as they debuted on More4 owing to the broadcast of Cricket matches on Channel 4 at the normal timeslot, while Episode 7652 did not carry it as the episode was transmitted five days later than billed in the early morning timeslot due to technical difficulties.|
|Recliner Factory||04/04/2022||16/01/2023||On certain days, bed products are featured and the company is advertised as Adjustable Bed Factory instead. Episode 7846 did not carry the sponsorship owing to the death of Queen Elizabeth II the previous day.|
|Specsavers||03/02/2023||Present||Specsavers Audiology (03/02/2023 to 08/05/2023) → Using the catchphrase "Find the Lost Sound" and a standard letters board in green, spells out words which are related to or produce sound. Words spelt out at the beginning and end of an episode have clues read out beforehand.
Specsavers Home Visits (09/05/2023 to present) → Features people in various homes declaring the length of a word and spelling it out to optometrists by using letters on an eyechart that the latter group is holding.