Verified Nov 2026
Electronics & Software
·

Seoul
·
Since 2020
Rebellions is a fabless semiconductor company headquartered in Seoul, South Korea, founded in 2020. It designs energy-efficient AI accelerators for large-scale inference workloads, along with PCIe cards, rack-mounted systems, and a software platform for AI framework integration. The company has an estimated 200-500 employees and an estimated annual revenue of $10-50 million, and it is privately held. Its target industries include automotive, electric vehicles, electronics, medical, plumbing hardware, and renewable energy. In March 2026 it closed a $400 million pre-IPO funding round.
Rebellions at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
2020
Headquarters
Seoul
Industries
Automotive
Electric Vehicles
Electronics
Medical
Plumbing & Hardware
Renewable Energy
Overview
Rebellions is a fabless semiconductor company headquartered in Seoul, South Korea, founded in 2020. It designs energy-efficient AI accelerators for large-scale inference workloads, along with PCIe cards, rack-mounted systems, and a software platform for AI framework integration. The company has an estimated 200-500 employees and an estimated annual revenue of $10-50 million, and it is privately held. Its target industries include automotive, electric vehicles, electronics, medical, plumbing hardware, and renewable energy. In March 2026 it closed a $400 million pre-IPO funding round.
At a glance
Attribute | Detail |
|---|---|
Founded | 2020 |
Headquarters | Seoul |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Electronics & Software |
What Rebellions makes
The company offers the ATOM series of AI accelerators, RebelRack and RebelPOD systems, and a proprietary software platform supporting common AI frameworks.
Products and capabilities described on the company's own site include LED, Semiconductor, Electronics (source: rebellions.ai).
Latest developments
2026-09-15 — Rebellions and ai& Partner to Bring Energy-Efficient AI Inference Infrastructure to Japan - Rebellions (rebellions.ai)
2026-08-21 — Nvidia eyes Korean chip startup Rebellions, valued at $2.3B | Dealroom News (dealroom.co)
2026-06-30 — Rebellions Acquires AI Inference Optimization Leader SqueezeBits to Deliver Full-Stack AI Infrastructure - Rebellions (rebellions.ai)
2026-03-30 — Rebellions Closes $400 Million Pre-IPO and Launches RebelRack™ and RebelPOD™ to Accelerate Global Expansion - Rebellions (rebellions.ai)
2026-03-30 — South Korea's AI chip startup Rebellions raises $400 million in latest funding round | Reuters (reuters.com)
2025-11-10 — Rebellions Scales Global Growth with Silicon Valley backed Series C - Rebellions (rebellions.ai)
Company details
Rebellions is privately held and was reported by Dealroom in August 2026 as drawing interest from Nvidia, with a valuation of $2.3 billion. Rebellions was founded in 2020, has an estimated 200-500 employees, and is headquartered in Seoul.
Frequently asked questions
What does Rebellions make?
Rebellions is a fabless semiconductor company headquartered in Seoul, South Korea, founded in 2020. It designs energy-efficient AI accelerators for large-scale inference workloads, along with PCIe cards, rack-mounted systems, and a software platform for AI framework integration. The company has an estimated 200-500 employees and an estimated annual revenue of $10-50 million, and it is privately held. Its target industries include automotive, electric vehicles, electronics, medical, plumbing hardware, and renewable energy. In March 2026 it closed a $400 million pre-IPO funding round.
Where is Rebellions headquartered?
Rebellions is headquartered in Seoul.
When was Rebellions founded?
Rebellions was founded in 2020.
How big is Rebellions?
Rebellions has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
Related suppliers
Explore other suppliers in the LightSource directory:
Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Evaluating suppliers like these?
This profile comes from a public-data sample of around 1,000 companies. Book a demo to see the full LightSource marketplace and supplier discovery platform — 1M+ credible suppliers, with AI-run sourcing events.
