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Tum Factory Siam Square One is a thai in Pathum Wan, Bangkok — Trust Score 78.1/100 based on 94 verified Google reviews (60% real-reviewer ratio).

Tum Factory Siam Square One

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📍 Pathum Wan, Bangkok🌶️ Thai🍔 WesternUpdated 15d ago
78
Trust Score
Excellent
Rating
40
Volume
24
Local Gd
10
Authority
4
★ 4
94 reviews
AI Verified · 80% realTop 15% in Thai
Rating timeline
Quality trend
↘Declining
1+ year ago
★ 3.97
38 reviews
3-12 months
★ 3.42
19 reviews
Last 3 months
★ 3.67
3 reviews
Popular times
12a6a12p6p
Usually very busy right now
Community rating
4.2★★★★☆780 votes
5★
393
4★
237
3★
92
2★
46
1★
12
Rate Tum Factory Siam Square One:
What reviewers mention most
Delicious / Tasty×36Spicy×14Affordable×9Fresh ingredients×8Authentic×4Expensive×3Michelin mention×2Fast service×1Generous portions×1Small portions×1

What Google Reviewers Say About Tum Factory Siam Square One

★ 5 — TP TP

Cheap and delicious Somtum , Yum (Spicy salad) and other Isaan (Northeastern) dishes. Located on the 4th floor of Siam Square One and can easily access from Siam BTS station.

★ 5 — Rohan Watt

Great tasty Thai food with lovely staff and singing robots. I had the bbq chicken and fried somtam. First time for me trying fried somtam. Mixing it win the sauce makes it amazing. I’ll definitely come back when I’m next in Bangkok.

★ 5 — Ratchada Miller (เหมียว มิลเลอร์)

Fabulous favor, Somtum Thai, and you must try the Roast chicken. Comfortable atmosphere .

About Tum Factory Siam Square One

Location
 4th Floor Room One Building 388 Siam Squre SS4023 Pathum Wan, Bangkok 10330, Thailand
Cuisine
Thai, Western
Trust Score
78.1/100 — Credible reviews
Phone
+66 91 398 8555
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Map — Tum Factory Siam Square One

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Rice congee set ฿60–120
Bangkok's most famous late-night khao tom (rice soup). Open 24 hours since 1965. Chinese-Thai style congee with pork, seafood, or century egg. Extremely popular 11pm–3am.
💡 Order the 'khao tom set' (฿70) — rice soup + side dishes. Add a raw egg to stir in. Century egg (kai yiao ma) is essential, not optional. Best at 1–2am when atmosphere is peak.
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Jok Prince (Silom original)
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Jok ฿50–80
Bangkok's most famous jok (thick rice porridge) vendor. Pork meatballs, liver, century egg, ginger, scallions. Thai-style jok is thicker than Chinese congee — almost like cream of rice.
💡 Jok is traditionally a breakfast food (5–11am). Order extra ginger and white pepper. The raw egg stirred in adds richness. Queue forms early — arrive by 7am on weekends.
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Yod Tan (Thai-Chinese Morning Shop)
Cantonese-influenced fish congee · Yaowarat / Chinatown
Congee ฿60–100
Traditional Yaowarat-style open-shop rice porridge. Watch the huge woks simmering all night. Fish congee (khao tom pla) is the specialty — whole fish steamed in the porridge.
💡 Chinatown area has the most authentic 24-hour congee spots. Fish congee with ginger and sesame oil is the most Thai-Chinese dish you can try. Eat with the provided dipping sauces.
📱 Thai SIM card guide — which to buy & where
📶
True Move H
Best for tourists — widest 5G coverage
Tourist SIM ฿299–599 (7–30 days, unlimited data with speed cap at 1GB/day after fair-use)
Thailand's most tourist-friendly SIM. Pre-registered SIM — no Thai ID needed. Airtime + data bundled. International calls included on some packages.
💡 Buy at airport arrival hall (counter clearly marked). 7-day unlimited: ฿299. 30-day unlimited: ฿599. Activate by scratching the code and calling the number on the package.
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DTAC (now NT)
Good coverage, reliable speeds
Tourist SIM ฿299–499 (7–30 days)
Former competitor to AIS and True, now merged with NT. Good 4G coverage countrywide. Some promotions beat True on price — worth comparing at airport.
💡 Look for the blue logo. Registration sometimes required at counter vs True's self-activate. Ask staff to help register if purchasing at mall location.
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AIS
Thailand's largest carrier — rural and island coverage
Tourist SIM ฿299–699 depending on data bundle
Best carrier for visiting islands or rural Thailand — coverage where others drop out. Koh Samui, Pai, Khao Yai all have reliable AIS signal.
💡 AIS Passport SIM specifically designed for tourists — most commonly recommended if traveling outside Bangkok. Ask for the 'AIS TOURIST SIM' specifically.
Quick tips:
  • •Bring your unlocked phone — Thai SIM cards are nano/micro/standard and shops will cut to size
  • •Buy at airport arrival immediately — skip the roaming bill. Setup takes 3 minutes.
  • •Line app (Thailand's WeChat) uses data, not SMS — WhatsApp works fine too
  • •5G coverage: only Bangkok and major cities. Everywhere else is 4G (still fast)
  • •Tethering/hotspot allowed on all tourist SIMs — great for traveling with tablets
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