1. Thailand Stocks

  2. •

    Industrial services

  3. •

    Engineering & construction
Right Tunnelling Company Ltd

Right Tunnelling Company Ltd

0.28
THB
-0.01
(-3.45%)
0.09EPS
3.36P/E
443.21MMarket Cap
Nov 16Next Earn
2018 Y
2019 Y
2020 Y
2021 Y
2022 Y
2023 Y
2024 Y
2025 Y
TTM
Revenue per Share
2.17
2.71
3.12
2.09
1.73
2.74
2.81
2.35
2.66
Basic EPS, GAAP
-0.08
0.15
0.26
0.04
-0.26
0.04
0.06
0.01
0.09
Free Cash Flow per Basic Share
-0.21
-0.28
0.2
-0.16
-0.23
-0.41
-0.08
0.31
0.46
Dividend per Share
0.01
- -
- -
0.08
0.01
- -
- -
- -
- -
Book Value per Share
0.4
0.51
1.22
1.17
0.88
0.91
0.89
0.91
0.93
Tangible Book Value per Share
0.39
0.51
1.2
1.16
0.86
0.9
0.89
0.91
0.92
Basic Weighted Avg Shares
861
861
910
1,184
1,184
1,143
1,283
1,477
1,418
Sales/Revenue/Turnover
1,866
2,337
2,844
2,473
2,043
3,136
3,610
3,476
3,766
Operating Margin (%)
-2.58
8.49
12.08
3.77
-14.92
6.36
7.31
5.5
8.62
Depreciation Expense
239
265
186
155
157
188
185
173
172
Net Income, GAAP
-65
131
238
42
-312
41
71
12
127
Effective Tax Rate (%)
- -
15.84
19.51
9.38
- -
17.05
27.33
47.61
24.61
Profit Margin (%)
-3.49
5.59
8.37
1.68
-15.28
1.29
1.97
0.33
3.37
Working Capital
-727
-889
119
273
272
799
815
761
699
LT Debt
301
120
127
237
931
1,510
989
684
783
Total Equity
457
587
1,389
1,337
1,003
1,043
1,321
1,349
1,375
Return on Invested Capital (%)
- -
10.81
12.84
3.47
- -
5.05
4.99
-2.53
-1.14
Return on Capital (%)
- -
10.94
12.94
3.55
- -
5.09
5.06
2.55
6.41
Return on Common Equity (%)
- -
25.04
24.1
3.05
-26.68
3.96
6.02
0.87
9.72

Capital Structure

THB

•

in mil. unless spec.
Dec'25
Mar'26
Jun'26
ST Debt
1,757
1,588
1,558
LT Borrowings
643
646
729
LT Finance Leases
40
47
54
Preferred Equity and Hybrid Capital
- -
- -
- -
Shares Outstanding
1,477
1,477
1,477
Market Capitalization
399
399
443

Working Capital

THB

•

in mil. unless spec.
Dec'25
Mar'26
Jun'26
Total Current Assets
4,095
4,544
4,481
Cash, Cash Equivalents & STI
127
46
23
Accounts Receivable, Net
701
836
733
Inventories
247
425
361
Total Current Liabilities
3,335
3,718
3,782
Payables & Accruals
1,010
1,198
1,350
ST Debt
1,757
1,588
1,558
Deferred Revenue
427
770
708

Growth Rates

THB

•

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
- -
0.81%
2.16%
Free Cash Flow
- -
-143.29%
-540.4%
Net Income, GAAP
- -
-210.81%
-83.73%
Sales/Revenue/Turnover
- -
6.9%
-3.71%
Total Cash Common Dividend
- -
- -
- -

Quarterly Revenue

THB

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
971
871
804
964
3,610
2025
696
854
993
934
3,476
2026
921
918
- -
- -
- -

Quarterly Earnings Per Share

THB

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
0.04
0.01
- -
0.01
0.06
2025
-0.07
0.01
0.03
0.04
0.01
2026
- -
0.02
- -
- -
- -

Quarterly Dividends Per Share

THB

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
- -
- -
- -
- -
- -
2025
- -
- -
- -
- -
- -
2026
- -
- -
- -
- -
- -

Company Description

Company Profile APIChatGPT
CEO
Chawalit Tanomtin
Full Time Employees
2,206
Sector
Industrial services
Industry
Engineering & construction
Address
292 Moo 4 Bangna - Trad Rd. (km 26) Samut Prakan SP Thailand 10560
IPO Date
Nov 12, 2020
Website
rtco.co.th
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Business
Right Tunnelling Public Company Limited Right Tunnelling Public Company Limited engages in geotechnical construction services, specializing in tunnel and shaft construction; dam construction and excavation; hydropower plant construction; pipe jacking and horizontal directional drilling; open and underground rock excavation; slope protection and stabilization; earth and rock excavation; structural concrete works; general civil construction; and mineral exploration activities. The company operates primarily in Thailand with additional projects in Myanmar, the Lao People's Democratic Republic, and Cambodia, serving clients such as the Royal Irrigation Department, Electricity Generating Authority of Thailand, State Railway of Thailand, and private sector entities. Founded in 2000 by Mr. Chawalit Tanomtin and headquartered at No. 292 Moo 4, Bangna-Trad Road (Km 26), Bang Bor, Samut Prakan, Thailand, the company listed on the Stock Exchange of Thailand (SET: RT) on November 12, 2020, and recently commenced new construction projects including a drainage tunnel.