Which Thai Industries Punch Above Their Weight in Profit 2026
In short
Financial and insurance holds just 1.79 percent of Thailand's 1,986,489 classified companies, yet it earns 25.52 percent of the country's 3.29 trillion baht in net profit, as of 7 July 2026. That profit share is 14.25 times larger than its company count share, the widest gap in the registry. Electricity and gas ranks second at 7.46 times, then mining and quarrying at 4.62 times. Manufacturing holds the largest profit pool in baht terms but a modest 2.88 times ratio, since it also holds 11.6 percent of all companies. Wholesale and retail trade earns less than half its share of profit.
Which industries punch above their weight in profit?
Financial and insurance answers this question decisively. The sector holds 1.79 percent of Thailand's 1,986,489 classified companies as of 7 July 2026, yet those firms report 25.52 percent of the country's 3.29 trillion baht in aggregate net profit (DBD, 2026). Divide the two shares and the profit share is 14.25 times larger than the company share, the widest gap of any industry in the registry. Electricity and gas comes second at 7.46 times, a sector of just 7,833 companies that still pulls in 2.94 percent of national profit. Mining and quarrying follows at 4.62 times, with only 8,231 companies. Manufacturing generates the single largest pool of profit in baht terms, 1.10 trillion, but because it also carries 11.60 percent of all companies its ratio settles at a comparatively modest 2.88. Scale and concentration are two separate stories, and ranking by this ratio keeps them separate.
Profit share divided by company share, top industries
- Financial and insurance14
- Electricity and gas7
- Mining and quarrying5
- Manufacturing3
- Human health and social work2
- Water supply and waste management1
- Transportation and storage1
- Information and communication1
Figures in x, ratio of profit share to company share.
A ratio above 1 means the sector earns more profit than its company count would predict. Financial and insurance sits far above everything else.
Every major industry ranked by punch above weight ratio
| Industry section | Companies | Company share | Net profit, billion baht | Profit share | Ratio |
|---|---|---|---|---|---|
| Financial and insurance | 35,567 | 1.79% | 839 | 25.52% | 14 |
| Electricity and gas | 7,833 | 0.39% | 97 | 2.94% | 7 |
| Mining and quarrying | 8,231 | 0.41% | 63 | 1.92% | 5 |
| Manufacturing | 230,396 | 11.60% | 1,098 | 33.38% | 3 |
| Human health and social work | 17,294 | 0.87% | 57 | 1.74% | 2 |
| Water supply and waste management | 4,818 | 0.24% | 11 | 0.33% | 1 |
| Transportation and storage | 85,273 | 4.29% | 135 | 4.11% | 1 |
| Information and communication | 52,537 | 2.64% | 77 | 2.35% | 1 |
| Professional, scientific and technical | 138,962 | 7.00% | 148 | 4.49% | 1 |
| Wholesale and retail trade | 715,976 | 36.04% | 494 | 15.02% | 0 |
| Agriculture, forestry and fishing | 19,259 | 0.97% | 13 | 0.38% | 0 |
| Real estate | 149,608 | 7.53% | 96 | 2.93% | 0 |
| Accommodation and food service | 83,598 | 4.21% | 53 | 1.62% | 0 |
| Education | 13,897 | 0.70% | 8 | 0.25% | 0 |
| Administrative and support | 100,691 | 5.07% | 48 | 1.46% | 0 |
| Construction | 283,534 | 14.27% | 54 | 1.63% | 0 |
| Other services | 20,455 | 1.03% | 0 | 0.01% | 0 |
Company share, profit share and the ratio between them, by TSIC section, as of 7 Jul 2026. Sections with fewer than 100 companies and sections with a net loss are excluded as unstable or not meaningful for this ratio.
Why this matters
A national profit pool of 3.29 trillion baht is not spread evenly across the economy, and this ratio shows exactly where it pools up. Financial and insurance is capital heavy and margin rich, so a small number of licensed firms can post a profit share that dwarfs their headcount in the registry. Electricity and gas and mining behave the same way, capital intensive sectors where scale and licensing limit how many companies ever enter, but the ones that do enter capture outsized returns. The opposite pattern matters just as much. Construction packs 14.27 percent of all companies into a sector that earns only 1.63 percent of national profit, a ratio of 0.11, meaning construction firms are, on average, the least profitable per company in the entire economy relative to their numbers. Wholesale and retail trade, the largest sector by far at 36.04 percent of companies, still only clears 15.02 percent of profit. For a tax base, a lender assessing sector risk, or a policymaker weighing where economic power actually sits, company counts alone are misleading. Profit concentration tells a different and more useful story.
Definitions
- Company share
- A section's entity count as a percentage of the 1,986,489 companies with a classified industry section.
- Profit share
- A section's aggregate net profit as a percentage of the national aggregate net profit of 3,288,219,434,948 baht.
- Punch above weight ratio
- Profit share divided by company share. A value above 1 means a sector earns more profit than its size in the company register would predict, a value below 1 means less.
- TSIC section
- One of 21 lettered categories in Thailand's Standard Industrial Classification, the broadest level of industry grouping used by the DBD registry.
- Aggregate net profit
- The sum of net profit reported by every company in a section that filed a financial statement, not an average of individual company margins.
Assumptions
- Company counts include every company with a classified industry section, while profit and revenue totals come only from the subset that filed a financial statement, so sectors with lower filing rates can show a different ratio than sectors with high filing rates.
- The sum of net profit across all 21 sections is 3,289,153,007,725.91 baht, about 933.6 million baht above the national aggregate of 3,288,219,434,947.74 baht used as the denominator, a gap of roughly 0.03 percent likely from a small number of unclassified or edge case records.
- Public administration, households and extraterritorial organizations were excluded from the ranking because each has fewer than 100 companies, too few for a stable ratio.
- Arts and entertainment was excluded because the sector posted an aggregate net loss, making the profit share negative and the ratio not meaningful.
- Financial and insurance firms recognize interest and premium income differently from a trading company, which inflates their reported profit relative to revenue based sectors and should be read with that context.
Methodology
Company share is each TSIC section's entity_count as a percentage of 1,986,489 companies with a classified industry section in the DBD registry. Profit share is each section's aggregate net profit as a percentage of the national aggregate net profit of 3,288,219,434,948 baht, both drawn from the registry as of 7 July 2026. The ratio divides profit share by company share, so a ratio above 1 means a sector earns more profit than its company count alone would predict. Sections with fewer than 100 companies, public administration, households and extraterritorial organizations, are excluded as statistically unstable, and arts and entertainment is excluded because the sector posted an aggregate net loss, which makes the ratio not meaningful. Net profit figures include only companies that filed a financial statement, while company counts include all classified companies in each section, so the ratio also reflects differences in filing rates across sectors.
How we verified this
- Financial and insurance company share recomputed as 35,567 divided by 1,986,489 classified companies equals 1.79 percent.
- Financial and insurance profit share recomputed as 839,194,964,359.76 baht divided by the national net profit total of 3,288,219,434,947.74 baht equals 25.52 percent.
- Ratio recomputed as 25.52 divided by 1.79 equals 14.25, confirming financial and insurance profit share is more than 14 times its company count share.
- Electricity and gas checked the same way: 7,833 divided by 1,986,489 is 0.39 percent of companies against 96,703,910,076.51 baht which is 2.94 percent of profit, a ratio of 7.46.
- Entity counts across all 21 industry sections were summed and matched 1,986,489, the classified company total used as the denominator.
- Manufacturing checked as the largest absolute profit pool at 1,097,635,469,599.37 baht, 33.38 percent of national profit, against 11.60 percent of companies, a ratio of 2.88.
- Mining and quarrying recomputed with full precision as 1.92 percent profit share divided by 0.41 percent company share equals 4.62, not 4.63.
- Water supply and waste management recomputed with full precision as 0.33 percent profit share divided by 0.24 percent company share equals 1.34, not 1.35.
- Accommodation and food service recomputed with full precision as 1.62 percent profit share divided by 4.21 percent company share equals 0.38, not 0.39.
References
- Department of Business Development. (2026). Registered juristic persons and financial statement aggregates. Ministry of Commerce, Thailand. https://www.dbd.go.th/
- Bank of Thailand. (2026). Thai economy overview. https://www.bot.or.th/en/thai-economy.html
Frequently asked questions
Which Thai industry earns the most profit relative to its size?
Financial and insurance. It holds 1.79 percent of classified companies but earns 25.52 percent of national net profit, a ratio of 14.25 times.
What does a punch above weight ratio of 1 mean?
A ratio of 1 means a sector's share of national profit exactly matches its share of the company count. Above 1 means the sector earns more than its size would predict, below 1 means less.
Which industry is furthest below its expected profit share?
Other services, at a ratio of 0.01, followed by construction at 0.11. Both hold large shares of companies but a tiny share of profit.
Is manufacturing the most profitable sector overall?
Manufacturing earns the largest profit pool in baht terms, 1.10 trillion, but its ratio of 2.88 is well below financial and insurance because manufacturing also has a much larger share of companies.
Cite this page
Chatpong L. (2026). Which Thai Industries Punch Above Their Weight in Profit 2026. Max Data Insights. https://maxdatathailand.com/insights/which-thai-industries-punch-above-their-weight-in-profit-2026
Data & corrections
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Written by
Chatpong L.Founder, Max Data, Max Solutions Co., Ltd.
Chatpong L. leads Max Data, a company-intelligence platform built on Thailand's official business registry. He writes about the structure of the Thai economy using primary registry data. His work covers company formation, industry concentration, and regional business activity.
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This page reports company-level and aggregate statistics only. It names no individuals and makes no claims about any person. Figures are provided for information and may be revised as source data updates.