
The global Outsourced Semiconductor Assembly and Test (OSAT) market size is predicted to grow from US$ 64660 million in 2025 to US$ 88620 million in 2031; it is expected to grow at a CAGR of 5.4% from 2025 to 2031.
OSAT stands for Outsourced Semiconductor Assembly and Test. This report focuses on OSAT Providers. Outsourced Semiconductor Assembly and Test (manufacturing) provide third-party IC-packaging and test services.The OSATs are merchant vendors. IDMs and foundries with internal packaging operations also outsource a certain percentage of their IC-packaging production to the OSATs. The fabless companies also outsource their packaging to the OSATs and/or foundries.
Global Outsourced Semiconductor Assembly and Test (OSAT) key players include ASE Group, Amkor, JECT, SPIL, etc. Global top four manufacturers hold a share over 30%.
United States is the largest market, with a share about 30%, followed by China, and China Taiwan, both have a share about 35 percent.
In terms of product, Assembly Service is the largest segment, with a share about 80%. And in terms of application, the largest application is Communications, followed by Automotive, Computing, Consumer, etc.
The “Outsourced Semiconductor Assembly and Test (OSAT) Industry Forecast” looks at past sales and reviews total world Outsourced Semiconductor Assembly and Test (OSAT) sales in 2024, providing a comprehensive analysis by region and market sector of projected Outsourced Semiconductor Assembly and Test (OSAT) sales for 2025 through 2031. With Outsourced Semiconductor Assembly and Test (OSAT) sales broken down by region, market sector and sub-sector, this report provides a detailed analysis in US$ millions of the world Outsourced Semiconductor Assembly and Test (OSAT) industry.
This Insight Report provides a comprehensive analysis of the global Outsourced Semiconductor Assembly and Test (OSAT) landscape and highlights key trends related to product segmentation, company formation, revenue, and market share, latest development, and M&A activity. This report also analyses the strategies of leading global companies with a focus on Outsourced Semiconductor Assembly and Test (OSAT) portfolios and capabilities, market entry strategies, market positions, and geographic footprints, to better understand these firms’ unique position in an accelerating global Outsourced Semiconductor Assembly and Test (OSAT) market.
This Insight Report evaluates the key market trends, drivers, and affecting factors shaping the global outlook for Outsourced Semiconductor Assembly and Test (OSAT) and breaks down the forecast by Type, by Application, geography, and market size to highlight emerging pockets of opportunity. With a transparent methodology based on hundreds of bottom-up qualitative and quantitative market inputs, this study forecast offers a highly nuanced view of the current state and future trajectory in the global Outsourced Semiconductor Assembly and Test (OSAT).
This report presents a comprehensive overview, market shares, and growth opportunities of Outsourced Semiconductor Assembly and Test (OSAT) market by product type, application, key players and key regions and countries.
Segmentation by Type:
Test Service
Assembly Service
Segmentation by Application:
Communications
Automotive
Computing
Consumer
Others
This report also splits the market by region:
Americas
United States
Canada
Mexico
Brazil
APAC
China
Japan
Korea
Southeast Asia
India
Australia
Europe
Germany
France
UK
Italy
Russia
Middle East & Africa
Egypt
South Africa
Israel
Turkey
GCC Countries
The below companies that are profiled have been selected based on inputs gathered from primary experts and analyzing the company's coverage, product portfolio, its market penetration.
ASE Group
Amkor
JECT
SPIL
Powertech Technology Inc
TSHT
TFME
UTAC
Chipbond
ChipMOS
KYEC
Unisem
Walton Advanced Engineering
Signetics
Hana Micron
NEPES
Please Note - This is an on demand report and will be delivered in 2 business days (48 hours) post payment.
1 Scope of the Report
1.1 Market Introduction
1.2 Years Considered
1.3 Research Objectives
1.4 Market Research Methodology
1.5 Research Process and Data Source
1.6 Economic Indicators
1.7 Currency Considered
1.8 Market Estimation Caveats
2 Executive Summary
2.1 World Market Overview
2.1.1 Global Outsourced Semiconductor Assembly and Test (OSAT) Market Size (2020-2031)
2.1.2 Outsourced Semiconductor Assembly and Test (OSAT) Market Size CAGR by Region (2020 VS 2024 VS 2031)
2.1.3 World Current & Future Analysis for Outsourced Semiconductor Assembly and Test (OSAT) by Country/Region (2020, 2024 & 2031)
2.2 Outsourced Semiconductor Assembly and Test (OSAT) Segment by Type
2.2.1 Test Service
2.2.2 Assembly Service
2.3 Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Type
2.3.1 Outsourced Semiconductor Assembly and Test (OSAT) Market Size CAGR by Type (2020 VS 2024 VS 2031)
2.3.2 Global Outsourced Semiconductor Assembly and Test (OSAT) Market Size Market Share by Type (2020-2025)
2.4 Outsourced Semiconductor Assembly and Test (OSAT) Segment by Application
2.4.1 Communications
2.4.2 Automotive
2.4.3 Computing
2.4.4 Consumer
2.4.5 Others
2.5 Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Application
2.5.1 Outsourced Semiconductor Assembly and Test (OSAT) Market Size CAGR by Application (2020 VS 2024 VS 2031)
2.5.2 Global Outsourced Semiconductor Assembly and Test (OSAT) Market Size Market Share by Application (2020-2025)
3 Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Player
3.1 Outsourced Semiconductor Assembly and Test (OSAT) Market Size Market Share by Player
3.1.1 Global Outsourced Semiconductor Assembly and Test (OSAT) Revenue by Player (2020-2025)
3.1.2 Global Outsourced Semiconductor Assembly and Test (OSAT) Revenue Market Share by Player (2020-2025)
3.2 Global Outsourced Semiconductor Assembly and Test (OSAT) Key Players Head office and Products Offered
3.3 Market Concentration Rate Analysis
3.3.1 Competition Landscape Analysis
3.3.2 Concentration Ratio (CR3, CR5 and CR10) & (2023-2025)
3.4 New Products and Potential Entrants
3.5 Mergers & Acquisitions, Expansion
4 Outsourced Semiconductor Assembly and Test (OSAT) by Region
4.1 Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Region (2020-2025)
4.2 Global Outsourced Semiconductor Assembly and Test (OSAT) Annual Revenue by Country/Region (2020-2025)
4.3 Americas Outsourced Semiconductor Assembly and Test (OSAT) Market Size Growth (2020-2025)
4.4 APAC Outsourced Semiconductor Assembly and Test (OSAT) Market Size Growth (2020-2025)
4.5 Europe Outsourced Semiconductor Assembly and Test (OSAT) Market Size Growth (2020-2025)
4.6 Middle East & Africa Outsourced Semiconductor Assembly and Test (OSAT) Market Size Growth (2020-2025)
5 Americas
5.1 Americas Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Country (2020-2025)
5.2 Americas Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Type (2020-2025)
5.3 Americas Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Application (2020-2025)
5.4 United States
5.5 Canada
5.6 Mexico
5.7 Brazil
6 APAC
6.1 APAC Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Region (2020-2025)
6.2 APAC Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Type (2020-2025)
6.3 APAC Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Application (2020-2025)
6.4 China
6.5 Japan
6.6 South Korea
6.7 Southeast Asia
6.8 India
6.9 Australia
7 Europe
7.1 Europe Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Country (2020-2025)
7.2 Europe Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Type (2020-2025)
7.3 Europe Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Application (2020-2025)
7.4 Germany
7.5 France
7.6 UK
7.7 Italy
7.8 Russia
8 Middle East & Africa
8.1 Middle East & Africa Outsourced Semiconductor Assembly and Test (OSAT) by Region (2020-2025)
8.2 Middle East & Africa Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Type (2020-2025)
8.3 Middle East & Africa Outsourced Semiconductor Assembly and Test (OSAT) Market Size by Application (2020-2025)
8.4 Egypt
8.5 South Africa
8.6 Israel
8.7 Turkey
8.8 GCC Countries
9 Market Drivers, Challenges and Trends
9.1 Market Drivers & Growth Opportunities
9.2 Market Challenges & Risks
9.3 Industry Trends
10 Global Outsourced Semiconductor Assembly and Test (OSAT) Market Forecast
10.1 Global Outsourced Semiconductor Assembly and Test (OSAT) Forecast by Region (2026-2031)
10.1.1 Global Outsourced Semiconductor Assembly and Test (OSAT) Forecast by Region (2026-2031)
10.1.2 Americas Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.1.3 APAC Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.1.4 Europe Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.1.5 Middle East & Africa Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.2 Americas Outsourced Semiconductor Assembly and Test (OSAT) Forecast by Country (2026-2031)
10.2.1 United States Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.2.2 Canada Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.2.3 Mexico Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.2.4 Brazil Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.3 APAC Outsourced Semiconductor Assembly and Test (OSAT) Forecast by Region (2026-2031)
10.3.1 China Outsourced Semiconductor Assembly and Test (OSAT) Market Forecast
10.3.2 Japan Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.3.3 Korea Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.3.4 Southeast Asia Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.3.5 India Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.3.6 Australia Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.4 Europe Outsourced Semiconductor Assembly and Test (OSAT) Forecast by Country (2026-2031)
10.4.1 Germany Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.4.2 France Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.4.3 UK Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.4.4 Italy Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.4.5 Russia Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.5 Middle East & Africa Outsourced Semiconductor Assembly and Test (OSAT) Forecast by Region (2026-2031)
10.5.1 Egypt Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.5.2 South Africa Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.5.3 Israel Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.5.4 Turkey Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
10.6 Global Outsourced Semiconductor Assembly and Test (OSAT) Forecast by Type (2026-2031)
10.7 Global Outsourced Semiconductor Assembly and Test (OSAT) Forecast by Application (2026-2031)
10.7.1 GCC Countries Market Outsourced Semiconductor Assembly and Test (OSAT) Forecast
11 Key Players Analysis
11.1 ASE Group
11.1.1 ASE Group Company Information
11.1.2 ASE Group Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.1.3 ASE Group Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.1.4 ASE Group Main Business Overview
11.1.5 ASE Group Latest Developments
11.2 Amkor
11.2.1 Amkor Company Information
11.2.2 Amkor Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.2.3 Amkor Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.2.4 Amkor Main Business Overview
11.2.5 Amkor Latest Developments
11.3 JECT
11.3.1 JECT Company Information
11.3.2 JECT Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.3.3 JECT Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.3.4 JECT Main Business Overview
11.3.5 JECT Latest Developments
11.4 SPIL
11.4.1 SPIL Company Information
11.4.2 SPIL Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.4.3 SPIL Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.4.4 SPIL Main Business Overview
11.4.5 SPIL Latest Developments
11.5 Powertech Technology Inc
11.5.1 Powertech Technology Inc Company Information
11.5.2 Powertech Technology Inc Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.5.3 Powertech Technology Inc Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.5.4 Powertech Technology Inc Main Business Overview
11.5.5 Powertech Technology Inc Latest Developments
11.6 TSHT
11.6.1 TSHT Company Information
11.6.2 TSHT Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.6.3 TSHT Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.6.4 TSHT Main Business Overview
11.6.5 TSHT Latest Developments
11.7 TFME
11.7.1 TFME Company Information
11.7.2 TFME Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.7.3 TFME Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.7.4 TFME Main Business Overview
11.7.5 TFME Latest Developments
11.8 UTAC
11.8.1 UTAC Company Information
11.8.2 UTAC Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.8.3 UTAC Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.8.4 UTAC Main Business Overview
11.8.5 UTAC Latest Developments
11.9 Chipbond
11.9.1 Chipbond Company Information
11.9.2 Chipbond Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.9.3 Chipbond Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.9.4 Chipbond Main Business Overview
11.9.5 Chipbond Latest Developments
11.10 ChipMOS
11.10.1 ChipMOS Company Information
11.10.2 ChipMOS Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.10.3 ChipMOS Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.10.4 ChipMOS Main Business Overview
11.10.5 ChipMOS Latest Developments
11.11 KYEC
11.11.1 KYEC Company Information
11.11.2 KYEC Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.11.3 KYEC Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.11.4 KYEC Main Business Overview
11.11.5 KYEC Latest Developments
11.12 Unisem
11.12.1 Unisem Company Information
11.12.2 Unisem Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.12.3 Unisem Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.12.4 Unisem Main Business Overview
11.12.5 Unisem Latest Developments
11.13 Walton Advanced Engineering
11.13.1 Walton Advanced Engineering Company Information
11.13.2 Walton Advanced Engineering Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.13.3 Walton Advanced Engineering Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.13.4 Walton Advanced Engineering Main Business Overview
11.13.5 Walton Advanced Engineering Latest Developments
11.14 Signetics
11.14.1 Signetics Company Information
11.14.2 Signetics Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.14.3 Signetics Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.14.4 Signetics Main Business Overview
11.14.5 Signetics Latest Developments
11.15 Hana Micron
11.15.1 Hana Micron Company Information
11.15.2 Hana Micron Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.15.3 Hana Micron Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.15.4 Hana Micron Main Business Overview
11.15.5 Hana Micron Latest Developments
11.16 NEPES
11.16.1 NEPES Company Information
11.16.2 NEPES Outsourced Semiconductor Assembly and Test (OSAT) Product Offered
11.16.3 NEPES Outsourced Semiconductor Assembly and Test (OSAT) Revenue, Gross Margin and Market Share (2020-2025)
11.16.4 NEPES Main Business Overview
11.16.5 NEPES Latest Developments
12 Research Findings and Conclusion
*If Applicable.
