Who owns by.U?
by.U is owned by Telkom Indonesia (Indonesia, NYSE: TLK).[1]
Telkom Indonesia owns 69.9% of by.U rather than all of it.
Evidence: Perusahaan Perseroan (Persero) PT Telekomunikasi Indonesia Tbk Annual Report on Form 20-F filed 2026-05-15, SEC EDGAR, 15 May 2026. Verified from filings; last checked .
Key facts
- Current owner
- Perusahaan Perseroan (Persero) PT Telekomunikasi Indonesia Tbk (69.9% stake) verified
- Owner HQ
- 🇮🇩 Indonesia, Jakarta
- Origin
- 🇮🇩 Indonesia
- Founded
- 2019
- Category
- Telecom › Mobile › Mobile carriers
- Parent ticker
- NYSE: TLK IDX: TLKM
- Last verified
- · 1 sources
About by.U
by.U is the digital-only prepaid mobile brand Telkomsel introduced in 2019. Customers buy and manage the service through an app instead of at shops, and Telkom's 2025 annual report counts it, with SIMPATI, among the prepaid brands that made up about 95 per cent of Telkomsel's subscribers. Telkom owns Telkomsel through a 69.9 per cent stake.
How often Telkom Indonesia names by.U in its annual report
A plain count of the times the name appears in the text of each annual report, not counting the start of a sentence. A brand that an owner writes about more is usually one it treats as central. The brand is named less often than it was three years earlier.
Ownership timeline of by.U
- Current owner Telkom Indonesia (69.9%) [1] verified
Where by.U sits in Telkom Indonesia
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Telkom Indonesia ownership tree →
See the full Telkom Indonesia brand portfolio (7) →
Other brands owned by Telkom Indonesia
Telkom Indonesia controls 7 brands on Brandtree, 7 of them in telecom.
Also in telecom
Other brands in mobile carriers, and who owns them
The 13 brands in mobile carriers on Brandtree belong to 10 owners. The largest is Liberty Latin America, with 2; Telkom Indonesia has 2.
| Brand | Owner | Owner based in |
|---|---|---|
| C&W | Liberty Latin America | 🇧🇲 Bermuda |
| Tigo | Millicom | 🇱🇺 Luxembourg |
| One NZ | Infratil | 🇳🇿 New Zealand |
| NTT DOCOMO | NTT | 🇯🇵 Japan |
| Smart | PLDT | 🇵🇭 Philippines |
| Rakuten Mobile | Rakuten | 🇯🇵 Japan |
| SK Telecom | SK Telecom | 🇰🇷 South Korea |
| Personal | Telecom Argentina | 🇦🇷 Argentina |
About the owner: Telkom Indonesia
Telkom Indonesia is a publicly listed company headquartered in Jakarta, Indonesia. Brandtree records 7 brands under its control, and it is listed as NYSE: TLK and IDX: TLKM.
Telkom Indonesia is the Indonesian state-controlled telecommunications group. It runs mobile service through Telkomsel, fixed broadband under the IndiHome name, towers through Mitratel, submarine cables and international services through Telin, satellites through Telkomsat and data centres through NeutraDC. Telkomsel alone produced 72.2 per cent of group revenue in 2025, according to its annual report.
Telkom Indonesia: full profile, brands and acquisition history →
🇮🇩 by.U and other Indonesian brands
Brandtree records a controlling owner for 161 brands that began in Indonesia. 7 of them (4%) are now controlled by a company headquartered in another country; by.U is not one of them.
Frequently asked questions
Who is the parent company of by.U?
The parent company of by.U is Telkom Indonesia, a publicly listed company headquartered in Indonesia.
Is by.U Indonesian?
Yes. by.U originated in Indonesia in 2019 and its owner, Telkom Indonesia, is also headquartered in Indonesia.
Is by.U still owned by Telkom Indonesia?
Yes. As of 10 October 2026, by.U is still owned by Telkom Indonesia (69.9% stake). The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Perusahaan Perseroan (Persero) PT Telekomunikasi Indonesia Tbk Annual Report on Form 20-F filed 2026-05-15 — SEC EDGAR, SEC Form 20-F, published 15 May 2026; retrieved 10 October 2026.
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