Software & Mobile App Development Company in Thailand

Thai consumers live on their phones, chat with brands on LINE and pay by scanning a PromptPay QR code, often for purchases of a few baht. Businesses that want to reach them need software built around those habits, in Thai, and compliant with the country’s privacy law. Sigmato is a software development company serving Thailand, working with companies in Bangkok, Chiang Mai and Phuket on mobile apps, web platforms, hospitality systems and AI. Our team in Bengaluru is only ninety minutes behind Bangkok, so we work through your business day with you.

Thailand’s Digital Landscape in Brief

Thailand pairs a strong industrial base with very high mobile and social-media adoption. Automotive and electronics manufacturing, much of it in the Eastern Economic Corridor, food processing and agriculture, retail, logistics and tourism are the economy’s pillars. The Thailand 4.0 policy and investment incentives from the Board of Investment encourage digital, EV and smart-manufacturing projects. Bangkok is home to most corporate headquarters, banks and startups; Chiang Mai has a sizeable community of digital businesses and remote teams; and Phuket’s economy is built on hotels, villas, marine tourism and medical travel.

Local Features Thai Users Expect

Thai apps succeed when they plug into LINE and PromptPay and handle the Thai language well. We build these into the first release:

1. PromptPay and Thai QR payments. The national instant-payment service, promoted by the Bank of Thailand, lets customers pay from any banking app using a phone number, national ID or QR code. We combine it with cards, TrueMoney Wallet and mobile banking through gateways such as Omise (Opn Payments), 2C2P or GB Prime Pay, priced in Thai baht (THB).
2. LINE integration. LINE Login, LINE Official Account messaging and LINE MINI Apps for bookings, loyalty cards and order tracking, since many Thai customers prefer chatting with a brand on LINE to downloading a new app.
3. Thai script handling. Thai is written without spaces between words, so search, line breaking and text truncation need dictionary-based word segmentation. We also choose fonts that render tone marks and vowels cleanly.
4. Buddhist Era dates. Official documents and many users use the Thai solar calendar, which is 543 years ahead of the Gregorian year, so date pickers and invoices must support both.

Android has the larger overall share, but iPhones are common in Bangkok, so we normally ship iOS and Android apps together using Flutter or React Native.

Thailand’s PDPA and Sector Rules

Thailand’s Personal Data Protection Act B.E. 2562 (2019) has been fully enforced since June 2022 and is overseen by the Personal Data Protection Committee. It is modelled closely on the GDPR: it requires a lawful basis for processing, explicit consent for sensitive data, breach notification to the regulator, limits on cross-border transfers and, for certain organisations, a data protection officer. We support compliance by:

• Writing Thai and English privacy notices and storing consent records with timestamps.
• Building self-service tools for access, correction and deletion requests.
• Encrypting health and biometric data, which hospitals and clinics serving medical tourists handle routinely.
• Documenting hosting locations so your adviser can assess transfer requirements.

Digital platforms may also fall under the Royal Decree on Digital Platform Services, administered by the Electronic Transactions Development Agency (ETDA), which requires notification and transparency from many platform operators. Banks and payment companies follow Bank of Thailand IT risk requirements on top of this.

Hospitality and Tourism Software

Tourism is where many of our Thailand conversations begin. Hotels, villa managers, dive centres and tour operators in Phuket and Chiang Mai need direct booking engines, channel-manager integrations, guest apps and staff tools that work in Thai, English, Chinese and Russian. Our hospitality software guide explains the components, and we can add AI concierge chatbots that answer guest questions on LINE or WhatsApp around the clock.

Working Together Across Time Zones

Thailand uses Indochina Time (UTC+7) all year, an hour and a half ahead of IST. Our team is online from your mid-morning until early evening, so most of your working day is shared and same-day turnaround on feedback is normal. We schedule around Songkran and other Thai public holidays when planning releases.

Indicative Budgets

As a guide, a LINE MINI App or loyalty programme costs $8,000–$25,000, a hotel booking engine with PromptPay and channel-manager links $20,000–$60,000, and a full consumer mobile app MVP $25,000–$65,000. These are indicative USD ranges; we can show THB equivalents, and the final quote depends on scope.

Frequently Asked Questions

Should I build a LINE MINI App or a standalone mobile app in Thailand?

For bookings, memberships and repeat orders, a LINE MINI App often wins because customers already have LINE installed. A native app makes more sense when you need heavy offline use, device features or a fully branded experience.

Can you add PromptPay to our website or app?

Yes. We integrate PromptPay QR through a licensed payment gateway, generate dynamic QR codes per order and confirm payments automatically.

Does Thailand’s PDPA apply to foreign companies?

It can. The PDPA applies to organisations outside Thailand that offer goods or services to people in Thailand or monitor their behaviour there. A local adviser should confirm your obligations.

Can you build systems for factories in the Eastern Economic Corridor?

Yes. We build production dashboards, maintenance apps and quality-inspection tools that connect to existing machines and ERP systems, with Thai-language screens for shop-floor staff and English reporting for regional management.

Start Your Thailand Project

Tell us about your business in Bangkok, Chiang Mai or Phuket and what you want to build. We will send back a proposed approach and an indicative budget.

Sources and References

• Personal Data Protection Committee Thailand – PDPA
• Bank of Thailand – Payment systems
• Electronic Transactions Development Agency (ETDA)
• Thailand Board of Investment