Stagefive
1 known investors
Stage Five operates STAGE-ON, an AI-native full-stack telecommunications platform that provides scalable telecom operations infrastructure. It runs its own AI-based telecom service called Pindirect and aims to expand its telecom operations platform to global markets.
Also known as (μ£Ό)μ€ν μ΄μ§νμ΄λΈ Β· Stage Five Β· Stagefive co., Ltd. Β· μ€ν μ΄μ§νμ΄λΈ
Investors Β· 1
Company profile
researched Aug 2026Stage Five (Stagefive co., Ltd.) is a Korean telecommunications company that positions itself as an AI-native telco. Its core product is STAGE-ON, a full-stack telecom platform that integrates and controls the closed, complex legacy environments of mobile carriers through a flexible AI interface, using automation to improve the operating efficiency of telecom services.
The company runs its own AI-based mobile service, Pindirect, which it presents as the proving ground for STAGE-ON's stability and scalability. Pindirect sells low-cost 5G plans in Korea; its Speed lineup consists of Speed 10GB at KRW 9,900 per month, Speed 20GB at KRW 18,700 per month (20GB of data, 200 voice minutes and 100 SMS), and Speed 30GB at KRW 29,700 per month. Beyond connectivity, Stage Five describes business lines spanning blockchain-based decentralized identity (DID), NFT services and Web3 content platforms, with a stated focus on the convergence of media and infrastructure across Web2 and Web3. Sangwon Seo is CEO.
Business model
Stage Five combines a platform business with a consumer telecom operation: it develops and operates STAGE-ON, an AI-based telecom operations platform intended to be extended to carriers and global markets, while directly selling mobile subscriptions under its own Pindirect brand. It also distributes devices and services through its retail channels and is developing blockchain-based identity, NFT and Web3 content offerings.
Monthly subscription fees for Pindirect mobile plans, priced from KRW 9,900 to KRW 29,700 per month depending on data allowance.
Traction
Stage Five states that STAGE-ON's stability and scalability have been validated through its own Pindirect service. In May 2025 it launched the Pindirect 5G Speed plan lineup, noting that average monthly mobile data usage among Korean smartphone users is about 20GB and that the 20GB tier is expected to see the most demand. In August 2025 it became a ZetaChain validator and ecosystem partner.
Latest developments
In May 2025 Stage Five launched the Pindirect 5G Speed plans and announced a program subsidising 12 months of the Speed 20GB plan for up to 50 youth transitioning out of institutional care, with applications accepted on a first-come, first-served basis through the end of July via the JaripjeongboON website. In August 2025 it joined ZetaChain as a validator and ecosystem partner, with planned joint work on native universal blockchain access from mobile devices, SIM-based Web3 identity, and retail distribution of Web3-ready phones and services.
βΈFull profile β market position, technology, go-to-market, geography
Market position
Stage Five describes itself as an innovative AI technology-based telecom company in Korea and was cited by ZetaChain as the first Korean telecom to operate a validator on its network, joining global telecom validators including Deutsche Telekom and stc Bahrain.
The company frames its differentiation as an AI-native approach to telecom operations β replacing carriers' closed legacy environments with a unified AI interface and automation β combined with the operational validation of running its own mobile service and the addition of blockchain identity and Web3 capabilities to standard telecom products.
Technology
STAGE-ON is described as an AI-native full-stack telecom platform that unifies and controls carriers' legacy systems behind an AI interface and automates telecom service operations. The company also operates telecom-grade infrastructure used to run a validator node on ZetaChain's Layer-1 network, and is developing SIM-based Web3 identity and native blockchain access from mobile devices.
Go-to-market
Direct-to-consumer sale of Pindirect mobile plans in Korea, retail distribution of handsets and services through Stage Five's own channels, and partnerships with technology platforms such as ZetaChain for joint product development. The company also runs public-interest programs β such as free service for youth leaving institutional care β tied to product launches.
Korean mobile consumers via the Pindirect brand, including price-sensitive segments; telecom operators as prospective users of the STAGE-ON operations platform; and, through the ZetaChain collaboration, mobile users seeking Web3 access.
Geography
Operations centre on South Korea, with a stated ambition to expand the AI-based telecom operations platform to global markets.
Compiled by commissioned research from 3 cited public sources β announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed β not independently audited.
Timeline Β· 2
launches, deals, and filingsStage Five became a validator and ecosystem partner on ZetaChain's Layer-1 Universal Blockchain, described as the first Korean telecom to validate on the network. Planned joint development areas include native universal blockchain access from mobile devices, SIM-based Web3 identity, and retail distribution of Web3-ready phones and services through Stage Five's channels.
Stage Five launched its Pindirect 5G Speed plans (10GB at KRW 9,900, 20GB at KRW 18,700, 30GB at KRW 29,700 per month) and announced it would fully subsidise the Speed 20GB plan for 12 months for up to 50 youth up to age 24 preparing for independent living after leaving institutional care, with applications open through the end of July.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
βΈResearch sources Β· 3
primary sources listed
- Stagefivestagefive.com Β· web
3 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Stagefive do?
- Korean AI-based telecom company operating the STAGE-ON platform and the Pindirect mobile service.
- Who are Stagefive's investors?
- Stagefive's investors include Atinum Investment Co. Ltd..