ChipMOS Technologies vs Orient Semiconductor (OSE)

Both are primarily Outsourced Assembly & Test companies. ChipMOS Technologies is larger by market cap ($2.8B vs $920M). ChipMOS Technologies reports higher tracked revenue ($753M vs $525M).

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Side-by-side

ChipMOS TechnologiesOrient Semiconductor (OSE)
Market cap$2.8B$920M
Revenue$753M (FY2025)$525M (FY2023)
Primary segmentOutsourced Assembly & TestOutsourced Assembly & Test
Market positionnicheniche
CountryTaiwanTaiwan
Tracked suppliers20
Tracked customers86
Chokepoint / criticality50/10050/100

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 Orient Semiconductor (OSE) compare

  • Size: ChipMOS Technologies is the larger company by market cap.
  • Revenue: ChipMOS Technologies reports higher tracked revenue.
  • Supply-chain criticality: Both companies have the same chokepoint score (50/100).
  • Footprint: ChipMOS Technologies (Taiwan) vs Orient Semiconductor (OSE) (Taiwan).

Company hubs

ChipMOS Technologies · Orient Semiconductor (OSE) · OSAT segment

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

Frequently asked questions3
Is ChipMOS Technologies bigger than Orient Semiconductor (OSE)?
ChipMOS Technologies is larger by market cap ($2.8B vs $920M).
What's the difference between ChipMOS Technologies and Orient Semiconductor (OSE)?
ChipMOS Technologies is a niche in Outsourced Assembly & Test based in Taiwan; Orient Semiconductor (OSE) is a niche in Outsourced Assembly & Test based in Taiwan. Both operate in the OSAT segment.
Who are ChipMOS Technologies's and Orient Semiconductor (OSE)'s suppliers?
wafergraph tracks 2 suppliers for ChipMOS Technologies and 0 for Orient Semiconductor (OSE) — ChipMOS Technologies's include Advantest, Kulicke & Soffa.