ASE

ASE, part of ASE Technology Holding, is the largest outsourced semiconductor assembly and test provider in the world, packaging and testing…

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Overview of ASE

Specializations
OSATSemiconductor TestAdvanced PackagingFlip Chip

ASE, part of ASE Technology Holding, is the largest outsourced semiconductor assembly and test provider in the world, packaging and testing devices for chipmakers that do not run their own back-end plants. Its services span wirebond and flip-chip assembly, advanced and system-in-package formats, wafer-level packaging, and a broad final-test portfolio. Manufacturing sites operate across Taiwan, China, Japan, Korea, Malaysia and Singapore. The Singapore plant concentrates on semiconductor test rather than volume assembly, functioning as a node in the group's regional network serving Southeast Asian customers and supporting the local packaging ecosystem.

Profile updated 4 Aug 2026 Report incorrect data

Buyer Decision Checklist

Singapore is a major node in the global semiconductor supply chain — foundries, OSAT, IC design houses, EDA, and equipment vendors all operate here. Be precise about which value-chain segment you actually need, then pressure-test capability fit, lead times, and traceability before you commit.

How to evaluate a semiconductor supplier in Singapore

  • Pin down the value-chain segment first — foundry (wafers), OSAT (assembly, packaging, test), IC design, EDA tooling, or equipment/materials — because a vendor strong in one segment does not serve another.
  • Match the process node and specialty flow to your roadmap: Singapore leads on mature and specialty nodes (180nm-22nm, BCDMOS, eFlash, SiGe BiCMOS), so confirm the exact node and process are in production, not just planned.
  • Treat ISO 9001 as the baseline and demand the application-specific certificate scope — IATF 16949 for automotive, ISO 13485 for medical, AS9100 for aerospace/defence — and check the certificate covers the exact line and product family you will buy from.
  • Lock supply-chain resilience in writing: ask for current lead times, a capacity allocation or NCNR commitment, second-source or qualified-alternate options, and a documented escalation path if demand spikes.
  • Verify IP protection and traceability before sharing design data — a mutual NDA, IP-ownership terms in the MSA, lot-level traceability, and counterfeit-avoidance controls — and confirm alignment on minimum order quantities and the technology roadmap.
  • Ask whether the vendor is active in EDB / SSIA talent and capability programmes, since that signals a more stable Singapore engineering and operations pipeline behind your account.

Verify for ASE

  • Confirm key details directly with the vendor — this listing isn't vendor-managed yet.
  • Ask for two recent Singapore client references you can speak with.
  • Ask for a written scope of services before comparing quotes.
  • Request evidence of relevant certifications and their current validity.

Questions to ask

  • Which exact process node, specialty flow, and certificate scope cover the line my product will run on?
  • What are your current lead times, minimum order quantities, and capacity or NCNR commitments — and is there a qualified second source?
  • How do you handle IP protection, NDAs, and lot-level traceability for fabless customers sharing design data?
  • Can you share two Singapore clients in my sector and volume tier that I can speak to as references?

Prepared under the TechDirectory editorial byline with review credit June C; this label is not proof of identity, credentials, or a completed human review. This directory-authored checklist is not attributed to ASE; editorial independence has not been independently audited. Editorial standards

3/100

Profile signal score

Based on recorded profile signals. It is not a certification or independent verification of every claim, and it does not measure vendor quality or endorsement; paid plans do not affect it. How it works.

  • UEN recorded on profile No UEN recorded 0/20
  • Owner-claimed profile No owner claim recorded 0/10
  • Recorded grant eligibility None recorded 0/15
  • Recorded CSA trustmark None / expired 0/15
  • Listed certifications None listed 0/10
  • Approved reviews No approved reviews yet 0/20
  • Profile completeness 3/10 completeness 3/10