| Rank | Name | Market Cap | Price | Today | Price (30 days) | Country | |
|---|---|---|---|---|---|---|---|
 | 1 |  | £28.46 B | £2.28 | 1.01% | 🇹🇭 Thailand | |
| 2 |  | £19.64 B | £0.69 | 0.81% | 🇹🇭 Thailand | |
| 3 |  | £19.24 B | £6.47 | 0.35% | 🇹🇭 Thailand | |
| 4 |  | £15.01 B | £1.00 | 3.53% | 🇹🇭 Thailand | |
| 5 |  | £10.18 B | £2.57 | 0.00% | 🇹🇭 Thailand | |
| 6 |  | £9.33 B | £0.27 | 0.00% | 🇹🇭 Thailand | |
| 7 |  | £9.24 B | £0.65 | 4.20% | 🇹🇭 Thailand | |
| 8 |  | £9.19 B | £1.03 | 0.56% | 🇹🇭 Thailand | |
| 9 |  | £8.94 B | £2.66 | 0.85% | 🇹🇭 Thailand | |
| 10 |  | £8.25 B | £3.49 | 0.66% | 🇹🇭 Thailand | |
| 11 |  | £7.65 B | £0.48 | 0.95% | 🇹🇭 Thailand | |
| 12 |  | £6.98 B | £0.50 | 0.00% | 🇹🇭 Thailand | |
| 13 |  | £6.64 B | £0.26 | 0.00% | 🇹🇭 Thailand | |
| 14 |  | £6.00 B | £3.15 | 0.36% | 🇹🇭 Thailand | |
| 15 |  | £4.61 B | £3.85 | 0.00% | 🇹🇭 Thailand | |
| 16 |  | £4.56 B | £1.02 | 0.00% | 🇹🇭 Thailand | |
| 17 |  | £4.44 B | £0.57 | 0.97% | 🇹🇭 Thailand | |
|
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| 18 |  | £4.25 B | £0.04451 | 0.51% | 🇹🇭 Thailand | |
| 19 |  | £4.14 B | £0.40 | 2.23% | 🇹🇭 Thailand | |
| 20 |  | £3.55 B | £0.48 | 0.00% | 🇹🇭 Thailand | |
| 21 |  | £3.07 B | £0.26 | 1.74% | 🇹🇭 Thailand | |
| 22 |  | £2.89 B | £0.51 | 3.85% | 🇹🇭 Thailand | |
| 23 |  | £2.57 B | £0.46 | 0.49% | 🇹🇭 Thailand | |
| 24 |  | £2.57 B | £0.22 | 1.00% | 🇹🇭 Thailand | |
| 25 |  | £2.50 B | £3.15 | 0.72% | 🇹🇭 Thailand | |
| 26 |  | £2.38 B | £0.40 | 0.00% | 🇹🇭 Thailand | |
| 27 |  | £2.16 B | £0.84 | 1.37% | 🇹🇭 Thailand | |
| 28 |  | £2.07 B | £0.46 | 1.92% | 🇹🇭 Thailand | |
| 29 |  | £1.98 B | £0.70 | 0.81% | 🇹🇭 Thailand | |
| 30 |  | £1.95 B | £0.15 | 2.92% | 🇹🇭 Thailand | |
| 31 |  | £1.80 B | £0.85 | 0.00% | 🇹🇭 Thailand | |
| 32 |  | £1.77 B | £2.22 | 0.26% | 🇹🇭 Thailand | |
| 33 |  | £1.75 B | £0.12 | 0.00% | 🇹🇭 Thailand | |
| 34 |  | £1.67 B | £0.42 | 1.08% | 🇹🇭 Thailand | |
| 35 |  | £1.54 B | £0.09628 | 0.93% | 🇹🇭 Thailand | |
| 36 |  | £1.48 B | £0.66 | 0.85% | 🇹🇭 Thailand | |
| 37 |  | £1.27 B | £0.03997 | 2.21% | 🇹🇭 Thailand | |
| 38 |  | £1.24 B | £2.36 | 1.89% | 🇹🇭 Thailand | |
| 39 |  | £1.21 B | £0.56 | 0.00% | 🇹🇭 Thailand | |
| 40 |  | £1.12 B | £1.13 | 6.13% | 🇹🇭 Thailand | |
| 41 |  | £1.03 B | £0.35 | 1.30% | 🇹🇭 Thailand | |
| 42 |  | £1.01 B | £0.06813 | 0.66% | 🇹🇭 Thailand | |
| 43 |  | £1.00 B | £0.09992 | 0.00% | 🇹🇭 Thailand | |
| 44 |  | £1.00 B | £0.42 | 1.06% | 🇹🇭 Thailand | |
| 45 |  | £0.97 B | £0.34 | 1.32% | 🇹🇭 Thailand | |
| 46 |  | £0.97 B | £3.28 | 0.00% | 🇹🇭 Thailand | |
| 47 |  | £0.93 B | £0.07857 | 3.35% | 🇹🇭 Thailand | |
| 48 |  | £0.88 B | £0.23 | 0.50% | 🇹🇭 Thailand | |
| 49 |  | £0.68 B | £0.51 | 3.04% | 🇹🇭 Thailand | |
| 50 |  | £0.58 B | £0.35 | 2.50% | 🇹🇭 Thailand | |
| 51 |  | £0.58 B | £0.28 | 3.17% | 🇹🇭 Thailand | |
| 52 |  | £0.57 B | £0.11 | 2.08% | 🇹🇭 Thailand | |
| 53 |  | £0.56 B | £0.22 | 5.45% | 🇹🇭 Thailand | |
| 54 |  | £0.48 B | £0.06540 | 1.38% | 🇹🇭 Thailand | |
| 55 |  | £0.38 B | £0.13 | 2.48% | 🇹🇭 Thailand | |
| 56 |  | £0.30 B | £1.02 | 1.13% | 🇹🇭 Thailand | |
| 57 |  | £24.71 M | £0.04950 | 0.92% | 🇹🇭 Thailand | |
| 58 |  | £0.54 M | £0.0001473 | 0.00% | 🇹🇭 Thailand | |
This is the list of the largest companies in Thailand by market capitalization. Only the top companies of Thailand are shown in this list and companies that are not publicly traded are excluded. The ranking and the market cap data shown on this page are updated daily.