Advanced Info Service (AIS)
Advanced Info Service (SET: ADVANC), branded AIS, is Thailand's largest mobile, fibre-to-the-home, enterprise services operator. Following the 2023 Gulf Energy, SingTel joint venture that took indirect control of Intouch Holdings, AIS, ADVANC is now part of Gulf Energy Development's energy, digital infrastructure strategy. Core business spans mobile (4G, 5G), fibre broadband, enterprise IT services, and growing adjacent data-centre, edge-compute assets supporting enterprise, cloud customers.
Snapshot
Headline numbers a buyer checks first.
Role
Largest Thai mobile, fibre operator
FY2024
5G spectrum
Multi-band holder
FY2024
Control structure
GULF-SingTel via Intouch
Since 2023
Listing
SET: ADVANC
1991
What this company actually does
AIS operates Thailand's largest mobile, fibre network by subscribers, revenue. Beyond core telecom, AIS increasingly runs adjacent digital infrastructure — edge-compute nodes, carrier-neutral data centre participation, enterprise IT services, cloud interconnect. The 2023 GULF-SingTel JV that took Intouch, AIS inside Gulf Energy Development added energy-transition, data-centre synergies to the telecom franchise.[]
Business lines and competitive position
Mobile (core)
~47M subscribers post-3BB; Thailand's largest by subs. 4G/5G spectrum across 700 MHz, 1800 MHz, 2600 MHz bands. Higher ARPU than TRUE post-merger duopoly.
AIS Fibre (3BB merged)
~5-6M home broadband subscribers post-2023 3BB consolidation; ~50% FTTH market share. Bundle with mobile for ARPU uplift.
AIS Business / enterprise
Enterprise ICT, private 5G, cloud interconnect, SD-WAN, managed-security. Growing revenue share as B2B digital transformation accelerates.
Digital infrastructure
Edge-compute nodes, carrier-neutral DC participation, AIS Data Center; feeds GULF-SingTel energy-digital convergence thesis.
Intouch Holdings structure
AIS is majority-controlled by Intouch Holdings, itself now held by Gulf Energy Development via the 2023 GULF-SingTel JV.
Virtual-bank consortium
AIS participates in Krungthai Bank consortium for BOT inaugural virtual-bank licence (June 2025); telecom distribution into banking.
Thailand mobile duopoly — AIS vs TRUE (post-DTAC merger)
Key operating metrics comparing Thailand's two dominant mobile operators as of FY2024.
Mobile subscribers
AIS (SET:ADVANC)
True Corp (SET:TRUE)
~50M
FY2024 revenue
AIS (SET:ADVANC)
~ $5.8B
True Corp (SET:TRUE)
FTTH subscribers
AIS (SET:ADVANC)
~5-6M (AIS Fibre)
True Corp (SET:TRUE)
~5M (True Online)
Parent / control
AIS (SET:ADVANC)
GULF-SingTel via Intouch
| Metric | AIS (SET:ADVANC) | True Corp (SET:TRUE) |
|---|---|---|
| Mobile subscribers | ~47M | ~50M |
| FY2024 revenue | ~ $5.8B | ~ $6.09B |
| FTTH subscribers | ~5-6M (AIS Fibre) | ~5M (True Online) |
| Parent / control | GULF-SingTel via Intouch | CP Group, Telenor, China Mobile |
Watchpoints for the next annual report
Mobile ARPU, 5G monetisation
Post-merger telco-market consolidation, 5G premium plans drive ARPU; disclosure is the core revenue signal.
Data-centre, edge expansion
AIS has been adding edge-compute, DC partnerships; pace vs pure-play INSET, True IDC.
GULF-SingTel JV synergies
Intouch, AIS integration inside Gulf Energy Development — capex coordination, cross-sell progress.
Fibre-to-the-home penetration
Thai FTTH expansion, enterprise fibre, wholesale fibre are growth layers beyond mobile.
Related Market profiles
Peers, parents, partners, agencies, and other Telecom & 5G actors.
Parent
Gulf Energy Development
GULF-SingTel JV holds Intouch, AIS.
Open Market profile →
Competitor
Intelligence Systems Corporation
Pure-play DC peer with smaller scale.
Open Market profile →
Sector peer
Digital Telecommunications Infrastructure Fund
Listed passive-infrastructure fund; ~12,000 telecom towers, fibre, rack space; TRUE founding anchor sponsor; FY2024 revenue ~ $318.8M.
Open Market profile →
Sector peer
JASIF Telecom Infrastructure Fund
Listed fibre-infrastructure fund; fibre-backbone assets operated by 3BB (now TRUE-3BB post-2023); FY2024 revenue ~ $173.9M.
Open Market profile →
Sources + data provenance
Every filing, filing-adjacent register, or trusted industry source cited in this profile.
Advanced Info Service (SET: ADVANC) FY2024 56-1 — AIS
Advanced Info Service (SET: ADVANC) FY2024 Form 56-1
Intouch Holdings / Gulf Energy consortium — AIS parent structure
Publisher
Intouch Holdings (SET: INTUCH, delisted post-Gulf absorption) / Gulf Energy Development (SET: GULF)
Grade
Primary
As of
2025-03-31
| Source | Publisher | Grade | As of |
|---|---|---|---|
| Advanced Info Service (SET: ADVANC) FY2024 56-1 — AIS | Advanced Info Service PCL | Primary | 2025-03-31 |
| Advanced Info Service (SET: ADVANC) FY2024 Form 56-1 | Advanced Info Service PCL | Primary | 2025-03-31 |
| Intouch Holdings / Gulf Energy consortium — AIS parent structure | Intouch Holdings (SET: INTUCH, delisted post-Gulf absorption) / Gulf Energy Development (SET: GULF) | Primary | 2025-03-31 |
Reports featuring this profile
Thailand Smart City IoT Municipal Tech 2027 Market Intelligence
5G, NB-IoT national footprint; smart-meter, fleet, asset-tracking enterprise IoT leader.
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Sits alongside 6 other Atlas profilesThailand Esports & Mobile Gaming Monetization 2027 Market Intelligence
Telco anchor sponsor; AIS eSports tournament series, 5G gaming network, gaming SIM bundles.
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Sits alongside 2 other Atlas profilesThailand Open Banking & API Finance 2027 Market Intelligence
AIS Pay wallet, AIS-Krungthai-Gulf-PTTOR virtual bank consortium
Open report →
Sits alongside 6 other Atlas profilesThailand Data Sovereignty & Cloud Localization 2027 Market Intelligence
Locally-owned hyperscale cloud on Oracle Alloy; THB 8B 2024-2030 sovereign-cloud investment
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Sits alongside 8 other Atlas profilesThailand Sports Industry Leagues & Broadcasting Market Intelligence
Telco rights partner via AIS Play, joint Thai League broadcast consortium
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Sits alongside 4 other Atlas profilesThai Fintech: Virtual Bank Licensing and the 2026 Launch Cycle
47M-subscriber telecom; CLICX distribution and identity rails partner
Open report →
Sits alongside 6 other Atlas profilesThailand AI Talent Supply: VISTEC, Mahidol, Chula and Salary Bands 2026
AIS Lanta Thai-LLM platform; commercial AI hiring centre.
Open report →
Sits alongside 6 other Atlas profilesThe Thai Telecom Duopoly: True Corporation, AIS, and the Post-2023 Consolidation
Singtel ~24%-affiliated; ~45% subscriber share.
Open report →
Sits alongside 5 other Atlas profilesVirtual Bank Licensing: BOT Framework and 2026 Launch
Telco partner in Krungthai consortium; mobile-distribution and sim-data underwriting role.
Open report →
Sits alongside 5 other Atlas profilesThailand BOT Virtual-Bank Framework: Inaugural Cohort and Incumbent Defences
KTB consortium partner for the inaugural BOT virtual-bank licence (June 2025); mobile-network distribution channel into the licensee's customer base.
Open report →
Sits alongside 3 other Atlas profilesThailand Telecom & 5G Market Intelligence
Thailand's largest mobile, fibre operator; ~47M subs; Gulf-Singtel consortium control post-2023.
Open report →
Sits alongside 4 other Atlas profilesThailand Data Centers & Cloud Infrastructure Market Intelligence
Adjacent DC, edge-compute assets; GULF-SingTel JV.
Open report →
Sits alongside 3 other Atlas profilesThailand AI & Automation Services Market Intelligence
AIS operates AIS Contact Center, corporate AI, cloud, enterprise services.
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Sits alongside 4 other Atlas profilesThailand BPO & Shared Services Market Intelligence
AIS Contact Center serves own customer base, increasingly external clients.
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Sits alongside 4 other Atlas profilesThailand Cybersecurity Market Intelligence
AIS Enterprise cybersecurity, SOC, network-security services.
Open report →
Sits alongside 2 other Atlas profilesThailand HR, Staffing & Recruitment Market Intelligence
AIS major Thai HR, staffing client, ~30k headcount internal HR.
Open report →
Sits alongside 2 other Atlas profilesThailand Software & SaaS Market Intelligence
AIS Enterprise SaaS, cloud, digital services, AI-platform.
Open report →
Sits alongside 2 other Atlas profilesThailand Thai-LLM & Foundation Models Deep Dive
AIS, OpenTyphoon partnership hosts Lanta Thai-language LLM on AIS 5G, edge cloud.
Open report →
Sits alongside 3 other Atlas profilesThailand LINE Ecosystem Deep Dive
AIS consumer telecom competes with LINE messaging-adjacent services.
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Sits alongside 4 other Atlas profilesThailand 5G Enterprise Monetisation Deep Dive
AIS Business leader in Thai enterprise 5G, private network deployments.
Open report →
Sits alongside 4 other Atlas profilesThailand Fibre Network Investment Deep Dive
AIS, 3BB consolidation 2023 created ~42% FTTH share.
Open report →
Sits alongside 3 other Atlas profilesThailand Virtual Bank License Deep Dive
AIS, VGI/BTS, Gulf consortium applicants.
Open report →
Sits alongside 5 other Atlas profilesThailand Smartphone Retail Distribution Deep Dive
AIS device subsidy, telco-bundle handset retail.
Open report →
Sits alongside 2 other Atlas profilesThailand Fintech Sandbox & RegTech Deep Dive
AIS virtual-bank consortium with KBank.
Open report →
Sits alongside 5 other Atlas profilesThailand Cloud Migration & Hyperscaler Deep Dive
AIS Cloud, sovereign cloud, telco-data-center adjacency.
Open report →
Sits alongside 4 other Atlas profilesThailand Broadband, Fixed Line, AIS True 3BB Deep Dive
AIS Fibre, 3BB post-2023 merger ~50%+ market share.
Open report →
Sits alongside 4 other Atlas profilesThailand Private Equity, Venture Capital Deep Dive
AIS InVent corporate venture, Singtel-Intouch.
Open report →
Sits alongside 7 other Atlas profilesThailand Cybersecurity, SOC, MDR Deep Dive
AIS Cyber, AIS Business managed-security, SOC services
Open report →
Sits alongside 3 other Atlas profilesRelated Market profiles
parent
Gulf Energy Development
Thailand's largest listed IPP — THB 110B+ FY2024; gas, renewables, data centres, AIS/Intouch via SingTel JV.
competitor
Intelligence Systems Corporation
Listed Thai pure-play DC, IT-infrastructure operator — FY2024 revenue ~THB 3B across colocation, managed services, digital-transformation.