Companion Diagnostics Market
Companion Diagnostics Market Size, Share & Trends Analysis Report by Technology (PCR, NGS, IHC, ISH, Others), by Product Type (Assay Kits & Reagents, Instruments/Analyzers, Software & Bioinformatics Platforms), by Indication (Oncology, Infectious Diseases, Neurological Disorders, Cardiovascular Diseases, Others), and Forecast Period (2026–2035)
Industry Overview
Companion diagnostics market was valued at $5.5 billion in 2025 and is projected to reach $14.7 billion by 2035, growing at a CAGR of 10.5% from 2026 to 2035. This market plays a vital role in advancing precision medicine by enabling the identification of patients who are most likely to benefit from targeted therapies. Companion diagnostics are widely applied across oncology, infectious diseases, and genetic disorders, where biomarker-based treatment decisions significantly enhance clinical outcomes. The growing number of targeted drug approvals and the increasing integration of genomic technologies into routine clinical practice are major factors driving market expansion. Furthermore, continuous advancements in next-generation sequencing (NGS) and liquid biopsy technologies are transforming disease diagnosis, prognosis, and monitoring, making diagnostic processes more accurate, less invasive, and highly efficient.
Additionally, in June 2025, QIAGEN entered strategic partnerships with Tracer Biotechnologies and Foresight Diagnostics to expand its minimal residual disease (MRD) testing portfolio, particularly in oncology. These collaborations are centered on developing PCR- and NGS-based assays for application in clinical trials and companion diagnostics. Collectively, such initiatives enhance biomarker-driven testing capabilities and support the broader adoption of personalized treatment approaches, particularly in cancer care, reinforcing the overall growth of the companion diagnostics market.
Market Dynamics
Assay Kits & Reagents Drive Market Growth Through High-Volume Diagnostic Demand
Assay kits and reagents dominate the companion diagnostics market due to their recurring use in routine testing for biomarker detection and therapy selection. Their continuous demand across diagnostic procedures makes them the primary contributor to overall market revenue. These products play a crucial role in enabling accurate and efficient clinical decision-making. Their compatibility with high-throughput systems further strengthens their market position. In February 2025, Hologic announced that the US FDA granted 510(k) clearance for its Aptima SARS-CoV-2 assay. This molecular assay kit is designed to detect SARS-CoV-2 RNA using specialized reagents and chemistry. The approval highlights its effectiveness in large-scale diagnostic testing. Overall, such developments reinforce the importance of assay kits and reagents in advancing high-throughput and reliable diagnostics.
PCR Diagnostics Continue to Lead with Precision and Reliability
PCR-based diagnostics maintain market leadership due to their cost-effectiveness, high sensitivity, and widespread clinical adoption. They are extensively utilized in infectious disease detection as well as oncology biomarker testing. Their reliability and accuracy make them a preferred choice across diagnostic laboratories. In July 2025, Bio-Rad Laboratories expanded its Droplet Digital PCR (ddPCR) portfolio. This expansion included the acquisition of Stilla Technologies and the launch of advanced platforms. Notable systems such as the QX Continuum and QX700 series were introduced. These innovations enhance precision in biomarker detection for oncology and genetic testing. Overall, these developments strengthen PCR-based companion diagnostics and support the rising demand for high-sensitivity molecular diagnostic solutions.
Market Segmentation
- Based on product type, the market is segmented into assay kits & reagents, instruments/analyzers, and software & bioinformatics platforms.
- Based on technology, the market is segmented into polymerase chain reaction (PCR), next-generation sequencing (NGS), immunohistochemistry (IHC), in situ hybridization (ISH), and others.
- Based on indication, the market is segmented into oncology, infectious diseases, neurological disorders, cardiovascular diseases, and others.
Oncology Emerges as the Driving Force Behind Market Demand
Oncology segment leads market demand, fueled by the rising global prevalence of cancer and the growing adoption of targeted therapies. Companion diagnostics play a critical role in identifying actionable mutations and enhancing treatment outcomes. Their integration into clinical workflows supports more precise and personalized cancer care. In March 2026, Guardant Health announced the presentation of 28 abstracts at the AACR 2026 meeting. These studies highlighted advancements in tumor profiling and therapy selection using multiomic tissue and liquid biopsy tests. The findings demonstrated high diagnostic accuracy of around 92%. They also showed improved clinical actionability for cancer patients. Such innovations reinforce the importance of liquid biopsy-based companion diagnostics in precision oncology and informed treatment decision-making.
Regional Outlook
The global companion diagnostics market is further divided by region, including North America (the US and Canada), Europe (the UK, Germany, France, Italy, Spain, Russia, and the Rest of Europe), Asia-Pacific (India, China, Japan, South Korea, Australia and New Zealand, ASEAN Countries, and the Rest of Asia-Pacific), and the Rest of the World (the Middle East & Africa, and Latin America).
North America is the leading region in the market
North America leads the market, driven by strong regulatory support and a highly advanced healthcare infrastructure. The region demonstrates a high adoption rate of genomic testing and personalized medicine approaches, contributing to its dominance. Continuous innovation and supportive policies further strengthen market growth. In August 2025, Agilent Technologies received U.S. FDA approval for its MMR IHC Panel pharmDx designed for the Dako Omnis platform. This approval marked its use as a companion diagnostic test. It helps identify patients with mismatch repair deficient colorectal cancer. These patients can then be considered for immunotherapy treatment. The therapy includes Bristol Myers Squibb’s Opdivo, either as a standalone option or in combination with Yervoy, expanding the companion diagnostics market.
Market Players Outlook
The major companies operating in the global companion diagnostics market include Roche, Thermo Fisher Scientific, Abbott Laboratories, Danaher, and Siemens Healthineers, among others. Market players are leveraging partnerships, collaborations, mergers, and acquisition strategies for business expansion and innovative product development to maintain their market positioning.
Recent Development
- In March 2026, Thermo Fisher Scientific opened a new $18?million distribution and labeling center in Uppsala to expand its immunodiagnostics operations supporting in vitro diagnostic test supply chains. The facility enhances global logistics for diagnostic products, indirectly supporting companion diagnostics and clinical testing adoption in markets including North America. This investment strengthens Thermo Fisher’s ability to meet rising demand for accurate diagnostic solutions with improved operational efficiency.
- In May 2025, Danaher announced a strategic partnership with AstraZeneca to develop and commercialize advanced diagnostic solutions aimed at supporting precision medicine initiatives. This collaboration focuses on creating next-generation diagnostic tools to identify patients who are most likely to respond positively to targeted therapies, thereby strengthening the role of companion diagnostics in modern drug development.
- In September 2025, Illumina announced partnerships with multiple pharmaceutical companies to develop companion diagnostics using its TruSight Oncology comprehensive genomic profiling test. The initiative targets KRAS biomarkers to identify patients eligible for targeted cancer therapies. This collaboration strengthens the integration of NGS-based diagnostics with drug development, accelerating precision oncology adoption in the companion diagnostics market.
The Report Covers
- Market value data analysis of 2025 and forecast to 2035.
- Annualized market revenues ($ million) for each market segment.
- Country-wise analysis of major geographical regions.
- Key companies operating in the global companion diagnostics market
- Based on the availability of data, information related to new protections and relevant news is also available in the report.
- Analysis of business strategies by identifying the key market segments positioned for strong growth in the future.
- Analysis of market-entry and market expansion strategies.
- Competitive strategies by identifying ‘who-stands-where’ in the market.
- Report Summary
- Current Industry Analysis and Growth Potential Outlook
- Companion Diagnostics Market Sales Analysis – Product Type | Technology| Indication ($ Million)
- Companion Diagnostics Market Sales Performance of Top Countries
- Research Methodology
- Primary Research Approach Analytics
- Secondary Research Approach
- Market Snapshot
- Market Overview and Insights
- Scope of the Study
- Analyst Insight & Current Market Trends
- Key Companion Diagnostics Market Trends
- Market Recommendations
- Market Determinants
- Market Drivers
- Drivers of Companion Diagnostics Market: Impact Analysis
- Market Pain Points and Challenges
- Restraints For Companion Diagnostics Market: Impact Analysis
- Market Opportunities
- Market Drivers
- Competitive Landscape
- Competitive Dashboard – Companion Diagnostics Market Revenue and Share by Manufacturers
- Companion Diagnostics Type Comparison Analysis
- Top Market Player Ranking Matrix
- Key Company Analysis
- Hoffmann-La Roche Ltd
- Overview
- Product Portfolio
- Financial Analysis
- SWOT Analysis
- Business Strategy
- Thermo Fisher Scientific
- Overview
- Product Portfolio
- Financial Analysis
- SWOT Analysis
- Business Strategy
- Abbott Laboratories
- Overview
- Product Portfolio
- Financial Analysis
- SWOT Analysis
- Business Strategy
- Danaher Corporation
- Overview
- Product Portfolio
- Financial Analysis
- SWOT Analysis
- Business Strategy
- Siemens Healthineers
- Overview
- Product Portfolio
- Financial Analysis
- SWOT Analysis
- Business Strategy
- Hoffmann-La Roche Ltd
- Key Company Analysis
- Top Winning Strategies by Market Players
- Merger and Acquisition
- Product Launch
- Partnership And Collaboration
- Companion Diagnostics Market Sales Analysis By Product Type ($ Million)
- Assay Kits & Reagents
- Instruments/Analyzers
- Software & Bioinformatics Platforms
- Companion Diagnostics Market Sales Analysis By Technology ($ Million)
- Polymerase Chain Reaction (PCR)
- Next-Generation Sequencing (NGS)
- Immunohistochemistry (IHC)
- In Situ Hybridization (ISH)
- Others
- Companion Diagnostics Market Sales Analysis By Indication ($ Million)
- Oncology
- Infectious Diseases
- Neurological Disorders
- Cardiovascular Diseases
- Others
- Regional Analysis
- North American Companion Diagnostics Market Sales Analysis – Product Type | Technology| Indications| Country ($ Million)
- United States
- Canada
- North American Companion Diagnostics Market Sales Analysis – Product Type | Technology| Indications| Country ($ Million)
- European Companion Diagnostics Market Sales Analysis – Product Type | Technology| Indications| Country ($ Million)
- UK
- Germany
- Italy
- Spain
- France
- Russia
- Rest of Europe
- Asia-Pacific Companion Diagnostics Market Sales Analysis – Product Type | Technology| Indication| Country ($ Million)
- China
- Japan
- South Korea
- India
- Australia & New Zealand
- ASEAN Countries (Thailand, Indonesia, Vietnam, Singapore, And Other)
- Rest of Asia-Pacific
- Rest of the Companion Diagnostics Market Sales Analysis – Product Type | Technology| Indications| Country ($ Million)
- Latin America
- Middle East and Africa
- Company Profiles
- Abbott Laboratories
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Agilent Technologies
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- ArcherDX
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Becton Dickinson
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- BGI Genomics
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- bioMérieux
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Bio-Rad Laboratories
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Danaher
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Exact Sciences
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Foundation Medicine
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Fujirebio
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Genomic Health
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Guardant Health
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Hologic
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Illumina
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Invitae
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Myriad Genetics
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Natera
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- NeoGenomics
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- PerkinElmer
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- QIAGEN
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Roche
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Siemens Healthineers
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Sysmex Corporation
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Thermo Fisher Scientific
- Quick Facts
- Company Overview
- Product Portfolio
- Business Strategies
- Abbott Laboratories
1. Global Companion Diagnostics Market Research and Analysis By Product Type, 2025-2035 ($ Million)
2. Global Assay Kits & Reagents Companion Diagnostics Market Research and Analysis By Region, 2025-2035 ($ Million)
3. Global Instruments/Analyzers Companion Diagnostics Market Research and Analysis By Region, 2025-2035 ($ Million)
4. Global Software & Bioinformatics Platforms Companion Diagnostics Market Research and Analysis By Region, 2025-2035 ($ Million)
5. Global Companion Diagnostics Market Research and Analysis By Technology, 2025-2035 ($ Million)
6. Global Polymerase Chain Reaction (PCR) Companion Diagnostics Market Research and Analysis By Region, 2025-2035 ($ Million)
7. Global Next-Generation Sequencing (NGS) Companion Diagnostics Market Research and Analysis By Region, 2025-2035 ($ Million)
8. Global Immunohistochemistry (IHC) Companion Diagnostics Market Research and Analysis By Region, 2025-2035 ($ Million)
9. Global In Situ Hybridization (ISH) Companion Diagnostics Market Research and Analysis By Region, 2025-2035 ($ Million)
10. Global Others Companion Diagnostics Market Research and Analysis By Region, 2025-2035 ($ Million)
11. Global Companion Diagnostics Market Research and Analysis By Indication, 2025-2035 ($ Million)
12. Global Companion Diagnostics For Oncology Market Research and Analysis By Region, 2025-2035 ($ Million)
13. Global Companion Diagnostics For Infectious Diseases Market Research and Analysis By Region, 2025-2035 ($ Million)
14. Global Companion Diagnostics For Neurological Disorders Market Research and Analysis By Region, 2025-2035 ($ Million)
15. Global Companion Diagnostics For Cardiovascular Diseases Market Research and Analysis By Region, 2025-2035 ($ Million)
16. Global Companion Diagnostics For Others Market Research and Analysis By Region, 2025-2035 ($ Million)
17. Global Companion Diagnostics Market Research and Analysis By Region, 2025-2035 ($ Million)
18. North American Companion Diagnostics Market Research and Analysis By Country, 2025-2035 ($ Million)
19. North American Companion Diagnostics Market Research and Analysis By Product Type, 2025-2035 ($ Million)
20. North American Companion Diagnostics Market Research and Analysis By Technology, 2025-2035 ($ Million)
21. North American Companion Diagnostics Market Research and Analysis By Indication, 2025-2035 ($ Million)
22. European Companion Diagnostics Market Research and Analysis By Country, 2025-2035 ($ Million)
23. European Companion Diagnostics Market Research and Analysis By Product Type, 2025-2035 ($ Million)
24. European Companion Diagnostics Market Research and Analysis By Technology, 2025-2035 ($ Million)
25. European Companion Diagnostics Market Research and Analysis By Indication, 2025-2035 ($ Million)
26. Asia-Pacific Companion Diagnostics Market Research and Analysis By Country, 2025-2035 ($ Million)
27. Asia-Pacific Companion Diagnostics Market Research and Analysis By Product Type, 2025-2035 ($ Million)
28. Asia-Pacific Companion Diagnostics Market Research and Analysis By Technology, 2025-2035 ($ Million)
29. Asia-Pacific Companion Diagnostics Market Research and Analysis By Indication, 2025-2035 ($ Million)
30. Rest of the World Companion Diagnostics Market Research and Analysis By Country, 2025-2035 ($ Million)
31. Rest of the World Companion Diagnostics Market Research and Analysis By Product Type, 2025-2035 ($ Million)
32. Rest of the World Companion Diagnostics Market Research and Analysis By Technology, 2025-2035 ($ Million)
33. Rest of the World Companion Diagnostics Market Research and Analysis By Indication, 2025-2035 ($ Million)
1. Global Companion Diagnostics Market Research and Analysis By Product Type, 2025 Vs 2035 ($ Million)
2. Global Assay Kits & Reagents Companion Diagnostics Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
3. Global Instruments/Analyzers Companion Diagnostics Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
4. Global Software & Bioinformatics Platforms Companion Diagnostics Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
5. Global Companion Diagnostics Market Research and Analysis By Technology, 2025 Vs 2035 ($ Million)
6. Global Polymerase Chain Reaction (PCR) Companion Diagnostics Treatment Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
7. Global Next-Generation Sequencing (NGS) Companion Diagnostics Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
8. Global Immunohistochemistry (IHC) Companion Diagnostics Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
9. Global In Situ Hybridization (ISH) Companion Diagnostics Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
10. Global Others Companion Diagnostics Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
11. Global Companion Diagnostics Market Research and Analysis By Indication, 2025 Vs 2035 ($ Million)
12. Global Companion Diagnostics For Oncology Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
13. Global Companion Diagnostics For Infectious Diseases Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
14. Global Companion Diagnostics For Neurological Disorders Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
15. Global Companion Diagnostics For Cardiovascular Diseases Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
16. Global Companion Diagnostics For Others Market Research and Analysis By Region, 2025 Vs 2035 ($ Million)
17. US Companion Diagnostics Market Size, 2025-2035 ($ Million)
18. Canada Companion Diagnostics Market Size, 2025-2035 ($ Million)
19. UK Companion Diagnostics Market Size, 2025-2035 ($ Million)
20. France Companion Diagnostics Market Size, 2025-2035 ($ Million)
21. Germany Companion Diagnostics Market Size, 2025-2035 ($ Million)
22. Italy Companion Diagnostics Market Size, 2025-2035 ($ Million)
23. Spain Companion Diagnostics Market Size, 2025-2035 ($ Million)
24. Russia Companion Diagnostics Market Size, 2025-2035 ($ Million)
25. Rest of Europe Companion Diagnostics Market Size, 2025-2035 ($ Million)
26. India Companion Diagnostics Market Size, 2025-2035 ($ Million)
27. China Companion Diagnostics Market Size, 2025-2035 ($ Million)
28. Japan Companion Diagnostics Market Size, 2025-2035 ($ Million)
29. South Korea Companion Diagnostics, 2025-2035 ($ Million)
30. Australia and New Zealand Companion Diagnostics Market Size, 2025-2035 ($ Million)
31. ASEAN Economies COMPANION DIAGNOSTICS Market Size, 2025-2035 ($ Million)
32. Rest of Asia-Pacific Companion Diagnostics Market Size, 2025-2035 ($ Million)
33. Latin America Companion Diagnostics Market Size, 2025-2035 ($ Million)
34. Middle East and Africa Companion Diagnostics Market Size, 2025-2035 ($ Million)
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