Top advertisers on radio
Moving annual totals calculated from Nielsen Media Research
Figures include all Commercial Radio station advertising for the most recent 12 months complete records
Top 20 Advertisers on Radio
| Rank | Advertiser | MAT March '12 £ | Radio Share | MAT March '11 £ | Change % Year on Year |
| 1 | Coi | 17,905,391 | 27.59 | 10,234,740 | 74.94 |
| 2 | British Sky Broadcasting Ltd | 9,926,502 | 5.16 | 5,047,718 | 96.65 |
| 3 | British Gas Plc | 8,905,942 | 22.75 | 9,159,541 | -2.76 |
| 4 | Autoglass Holdings | 8,388,319 | 47.01 | 10,447,203 | -19.7 |
| 5 | Unilever Uk Ltd | 7,060,279 | 4.21 | 4,985,506 | 41.61 |
| 6 | Volkswagen Uk Ltd | 5,695,332 | 10.98 | 5,936,577 | -4.06 |
| 7 | Carphone Whse | 5,050,445 | 27.97 | 1,631,342 | 209.58 |
| 8 | Vodafone Ltd | 4,877,788 | 7.91 | 4,925,772 | -0.97 |
| 9 | Lloyds Tsb Plc | 4,824,844 | 12.03 | 3,392,551 | 42.21 |
| 10 | Dfs Furniture Co Ltd | 4,396,079 | 5.2 | 4,913,377 | -10.52 |
| 11 | Asda Stores Ltd | 4,375,028 | 4.03 | 3,604,210 | 21.38 |
| 12 | Toyota (Gb) Ltd | 4,253,918 | 20.84 | 3,506,389 | 21.31 |
| 13 | Blockbuster Entertainment Ltd | 4,093,330 | 44.2 | 6,343,185 | -35.46 |
| 14 | Direct Line Ins Plc | 4,087,799 | 7.83 | 2,903,954 | 40.76 |
| 15 | Gocompare Com | 3,913,017 | 13.42 | 5,356,929 | -26.95 |
| 16 | News Intl Newspapers Ltd | 3,885,498 | 15.98 | 4,050,799 | -4.08 |
| 17 | Tesco Plc | 3,861,884 | 3.16 | 1,366,228 | 182.66 |
| 18 | Barclays Bank Plc | 3,859,437 | 10.25 | 2,869,551 | 34.49 |
| 19 | Citroen Uk Ltd | 3,790,644 | 18.19 | 2,871,944 | 31.98 |
| 20 | Ford Motor Company Ltd | 3,755,812 | 10.09 | 3,791,548 | -0.94 |