ChipMOS Technologies vs Unisem

Both are primarily Outsourced Assembly & Test companies. ChipMOS Technologies is larger by market cap ($2.8B vs $1.8B). ChipMOS Technologies reports higher tracked revenue ($753M vs $459M).

See all 22 OSAT companies →

Track the chain

What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.

Subscribe to the free weekly briefing →

Free · no login · 615 companies, updated weekly

Side-by-side

ChipMOS TechnologiesUnisem
Market cap$2.8B$1.8B
Revenue$753M (FY2025)$459M (FY2025)
Primary segmentOutsourced Assembly & TestOutsourced Assembly & Test
Market positionnichemajor
CountryTaiwanMalaysia
Tracked suppliers20
Tracked customers87
Chokepoint / criticality50/10068/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How ChipMOS Technologies and Unisem compare

  • Size: ChipMOS Technologies is the larger company by market cap.
  • Revenue: ChipMOS Technologies reports higher tracked revenue.
  • Supply-chain criticality: Unisem has the higher chokepoint score (68/100 vs 50/100).
  • Footprint: ChipMOS Technologies (Taiwan) vs Unisem (Malaysia).

Company hubs

ChipMOS Technologies · Unisem · OSAT segment

Open the interactive comparison tool →

Cite as: wafergraph, “ChipMOS Technologies vs Unisem”, https://wafergraph.com/compare/chipmos-vs-unisem (data as of 2026-10-09).

Frequently asked questions3
Is ChipMOS Technologies bigger than Unisem?
ChipMOS Technologies is larger by market cap ($2.8B vs $1.8B).
What's the difference between ChipMOS Technologies and Unisem?
ChipMOS Technologies is a niche in Outsourced Assembly & Test based in Taiwan; Unisem is a major in Outsourced Assembly & Test based in Malaysia. Both operate in the OSAT segment.
Who are ChipMOS Technologies's and Unisem's suppliers?
wafergraph tracks 2 suppliers for ChipMOS Technologies and 0 for Unisem — ChipMOS Technologies's include Advantest, Kulicke & Soffa.