What Inari Amertron does

Inari Amertron Berhad is a Malaysia-incorporated, publicly listed Outsourced Semiconductor Assembly and Test (OSAT) provider headquartered in Petaling Jaya, Selangor, with a Main Market listing on Bursa Malaysia (stock code 0166) since its 2014 transfer from the ACE Market. Its wholly-owned operating subsidiaries — Inari Technology Sdn Bhd, Inari Semiconductors Labs Sdn Bhd, Inari Integrated Systems Sdn Bhd, Amertron Incorporated (Philippines) and Amertron Technology (Kunshan) — deliver turnkey back-end semiconductor services from wafer probe and processing through die attach, wire bonding, and package encapsulation to final package test. Manufacturing is distributed across multiple plants in Penang (Plants 1, 3, 5, 13, 21, 34, 55), the Clark Freeport Zone in Pampanga, Philippines, and Kunshan, Jiangsu, China, giving the group a three-country ASEAN+China footprint.

The company's customer base spans five end-segments — Smartphone/Mobile Devices (primary), Automotive, Data Communications, Industrial, and Generic semiconductors — served through direct B2B relationships and long-term contracts with semiconductor companies rather than a channel or distributor network. The revenue model is professional-services manufacturing: quote-based pricing for wafer sort, assembly, and final test per unit, with no publicly disclosed pricing. The go-to-market relies on a corporate website, Bursa Malaysia announcements, and investor relations communications rather than broad marketing, consistent with the B2B account-based nature of the OSAT industry.

Recent strategic activity includes a proposed USD 239 million joint acquisition of Lumileds Holding B.V. with Sanan Optoelectronics (announced August 2025 and terminated April 2026), a 2021 MOU with China Fortune-Tech Capital, FTSE4Good Bursa Malaysia (F4GBM) Index inclusion since June 2020, and a fire incident at the Philippines facility in May 2026. The group has no disclosed patents, trademarks, AI/ML product features, or named customer logos in the supplied data.

Name

Inari Amertron

Legal name

Inari Amertron Berhad (201001016131 (1000809-U))

Website

https://inari-amertron.com

Company type

Public

Founded year

2011

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Inari Amertron Berhad is a Malaysia-listed Outsourced Semiconductor Assembly and Test (OSAT) provider (Bursa Main Market, stock code 0166) that delivers wafer probe, assembly, and final test services from facilities in Malaysia, the Philippines, and China to fabless and IDM customers in smartphone, automotive, data communications, industrial, and generic semiconductor segments.

Ownership category

akta.pro rank

Product category

Semiconductor Assembly and Test Services (OSAT)

NAICS

Semiconductor and Other Electronic Component Manufacturing (33441)

SIC

Services-Testing Laboratories (8734)

akta.pro primary industry

Outsourced Semiconductor Manufacturing Services (Back-End EMS/Turnkey) (HDAHADAJ)

akta.pro secondary industry

Assembly & Packaging Services (Wirebond/Flip-Chip/FCBGA) (HDAHADAA)

Keywords

• Semiconductor assembly services
• Package testing services
• Wafer probe processing
• OSAT services
• Electronics manufacturing services

Headquarters

HQ city

Bayan Lepas

HQ country

Malaysia

HQ region

Asia

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Infrastructure, Personnel, Supply Chain, Technology or R&D

Revenue model

1. Semiconductor Assembly and Test Services: OSAT services including wafer probe & processing, assembly, and package testing for semiconductor companies. Revenue generated through manufacturing services for external customers in various semiconductor market segments.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Inari Amertron Berhad is an Outsourced Semiconductor Assembly and Test (OSAT) provider that delivers turnkey backend semiconductor manufacturing services to chip companies. Its offering spans wafer probe and processing, chip assembly (die attach, wire bonding, encapsulation), and final package test, serving smartphone, automotive, data communications, industrial, and generic semiconductor customers from facilities in Malaysia, the Philippines, and China.

Product overview

Inari Amertron Berhad operates as an Outsourced Semiconductor Assembly and Test (OSAT) provider and electronics manufacturing services (EMS) company. The company offers a comprehensive suite of semiconductor manufacturing services organized around four core offerings: Wafer Probe & Processing (electrical testing of wafers), Assembly (die attach, wire bonding, and encapsulation), Package Test (final device testing), and Other Services. The company serves market segments including Smartphone/Mobile Devices, Automotive, Data Communications, Industrial, and Generic semiconductor applications. Inari Amertron has manufacturing facilities across Malaysia (Penang), Philippines (Clark), and China (Kunshan), with the parent company incorporated in Malaysia and listed on Bursa Malaysia.

Differentiator

Problem solved

Functional benefit

Products and services

• Wafer Probe & Processing Semiconductor wafer testing and processing services performed to verify chip functionality before packaging; for fabless chip companies and IDMs outsourcing backend manufacturing.
• Assembly Semiconductor assembly services including die attach, wire bonding, and package encapsulation; for semiconductor companies across mobile, automotive, data communications, industrial, and generic applications.
• Package Test Final testing services for packaged semiconductor devices to ensure quality and performance specifications are met; for semiconductor chip companies across multiple end-markets.
• Other Services Additional semiconductor manufacturing and test services complementing the core OSAT offerings (wafer probe, assembly, package test); for semiconductor customers requiring supplementary backend support.

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Three partnerships are on record, tiered major and minor.

• Sanan Optoelectronics Co., LtdmajorStrategic or Co-development Partner · 1 August 2025Inari Amertron and Sanan Optoelectronics entered into a Share Purchase Agreement to jointly acquire 100% equity interest in Lumileds Holding B.V. and its subsidiaries for USD 239.0 million enterprise value. The proposed joint acquisition was subsequently terminated in April 2026.
• Lumileds Holding B.V.majorStrategic or Co-development Partner · 1 August 2025Target of proposed joint acquisition by Inari Amertron and Sanan Optoelectronics. Lumileds is a lighting company with 11 Asian and European subsidiaries. The acquisition was terminated in April 2026.
• China Fortune-Tech Capital Co., Ltd (CFTC)minorStrategic or Co-development Partner · 18 October 2021Memorandum of understanding signed between Inari Amertron Berhad and China Fortune-Tech Capital Co., Ltd for potential strategic cooperation.

Scale indicators4 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• Carsem: Malaysia-based OSAT subsidiary of Sime Darby offering semiconductor packaging and test services across multiple Penang-area facilities. Direct geographic and service competitor to Inari's Malaysian operations.
• UTAC Holdings: Singapore-headquartered OSAT company with manufacturing operations across Asia offering assembly and test services for analog, mixed-signal, and logic semiconductors. Directly comparable regional OSAT footprint and service model.
• ASE Technology Holding: World's largest OSAT provider offering a full suite of assembly and test services including wafer probe, packaging, and final test across smartphone, automotive, and industrial customers. Directly comparable back-end semiconductor services model to Inari Amertron.
• Amkor Technology: Major US-headquartered OSAT player with global manufacturing footprint offering wafer-level packaging, advanced assembly, and test services to semiconductor and OEM customers. Closely comparable turnkey OSAT services.
• Tongfu Microelectronics: China-based OSAT player providing integrated circuit packaging and testing services to fabless and IDM customers. Operates comparable turnkey back-end services targeting similar end-segments.
• JCET Group: China's largest OSAT provider offering semiconductor packaging and testing services across mobile, consumer, automotive, and industrial applications. Direct competitor serving similar end-markets with comparable back-end services.
• Powertech Technology: Taiwan-based OSAT provider delivering assembly, packaging, and test services to memory and logic semiconductor customers globally. Highly comparable service mix and customer base to Inari's OSAT offerings.
• ChipMOS Technologies: Taiwan-based OSAT provider offering semiconductor assembly and test services with focus on memory and mixed-signal/logic packaging. Comparable turnkey OSAT service portfolio and customer mix.
• Hana Microelectronics: Thailand-based OSAT and EMS provider offering IC assembly and test, plus PCBA and microelectronics manufacturing. Comparable back-end semiconductor services with similar Southeast Asian geographic profile to Inari.
• Unisem (M) Berhad: Malaysian-listed OSAT company offering wafer bumping, assembly, and test services from facilities in Malaysia, China, and Indonesia. Most direct geographic peer to Inari with overlapping customer base in smartphone/automotive.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries5 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Inari Amertron