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Tax & Regulation January 26, 2026 · 33 min read

R&D Tax Credits: Guide for Canadian Companies

# R&D Tax Credits in Korea: Guide for Canadian Companies

Overview

South Korea operates one of the most generous R&D tax incentive systems in the OECD, with credit rates that can reach up to 50% for small and medium-sized enterprises working on national strategic technologies. For Canadian companies establishing R&D operations in Korea, these credits can substantially offset the cost of innovation activities and make Korea an attractive location for Asia-Pacific research centers.

Korea's R&D tax credit system is governed by the Restriction of Special Taxation Act (RSTA) and administered by the National Tax Service. The system classifies R&D activities into three tiers with progressively higher credit rates: general technology R&D, new growth engine and core source technology R&D, and national strategic technology R&D (semiconductors, batteries, vaccines, hydrogen, AI, future mobility, and quantum technology).

Canadian companies already familiar with the Scientific Research and Experimental Development (SR&ED) program will find Korea's system conceptually similar but structurally different. Both programs reward systematic investigation and experimental development, but Korea's system offers higher rates for strategic sectors, uses different calculation methods, and requires distinct documentation approaches.

Why This Matters for Canadian Companies

Many Canadian technology companies enter Korea primarily for market access but overlook the opportunity to establish R&D operations that qualify for Korean tax credits. With credit rates significantly higher than Canada's SR&ED program for strategic technologies, establishing a Korean R&D presence can reduce effective R&D costs by 25-50% while generating intellectual property that serves both the Korean and global markets.

Additionally, Korea's R&D tax credits are available to foreign-invested companies on the same basis as domestic companies. There is no citizenship or residency requirement for the company -- only that the R&D activities be conducted in Korea by a registered Korean entity.

Eligibility

Company Eligibility

Any company registered in Korea and conducting qualifying R&D activities is eligible, including:

  • Wholly owned subsidiaries of Canadian companies
  • Joint ventures with Korean partners
  • Korean branches of Canadian companies (with limitations)
  • Companies of any size (SME, mid-cap, and large enterprise)
  • SME Classification in Korea:

    Korean tax law defines SMEs based on industry-specific revenue and asset thresholds. For most technology sectors:

  • Annual revenue below KRW 100 billion (approximately CAD $100 million)
  • Total assets below specific thresholds (varies by industry)
  • Not a subsidiary of a large enterprise group (chaebol)
  • Most Canadian companies entering Korea will qualify as SMEs under Korean tax law, which provides access to the highest credit rates.

    Qualifying R&D Activities

    Korea recognizes three categories of qualifying research activities:

    1. Fundamental research: Theoretical or experimental work undertaken to acquire new knowledge without a specific commercial application in mind 2. Applied research: Original investigation undertaken to acquire new knowledge directed toward a specific, practical objective 3. Experimental development: Systematic work using existing knowledge to produce new or substantially improved materials, devices, products, processes, systems, or services

    Qualifying expenditure categories include:

  • Personnel costs for researchers and R&D support staff
  • Materials and supplies consumed in R&D
  • Outsourced R&D (domestic and overseas, with limitations)
  • Depreciation of R&D equipment
  • Technology acquisition costs (under certain conditions)
  • AI training data purchases (newly added to qualifying expenditures)
  • What does NOT qualify:

  • Market research or sales promotion
  • Quality control and routine testing
  • Administrative activities related to R&D management
  • Adaptation of existing products for specific customers (without technological advancement)
  • Social science or humanities research
  • Benefits

    R&D Tax Credit Rates

    | Technology Category | SME Rate | Mid-Cap Rate | Large Enterprise Rate | |---|---|---|---| | General Technology R&D | | | | | - Volume method (current year) | 25% | 8% | 0-2% | | - Incremental method | 50% of increase over prior year | 40% of increase | 25% of increase | | New Growth Engine / Core Source Technology | 30-40% | 20-30% | 20-30% | | National Strategic Technology | 40-50% | 30-40% | 30-40% |

    Notes on calculation methods:

  • Volume method: Credit is calculated as a percentage of current-year qualifying R&D expenditure. Companies choose the volume or incremental method each year, whichever yields a higher credit.
  • Incremental method: Credit is calculated as a percentage of the increase in R&D spending compared to the prior year. This rewards companies that are growing their R&D investment.
  • Companies may elect either method each year -- they are not locked in.
  • National Strategic Technologies (Highest Rates)

    The following technology areas qualify for the highest credit rates:

  • Semiconductors (design, manufacturing, packaging, equipment, materials)
  • Secondary batteries and energy storage
  • Vaccines and advanced biopharmaceuticals
  • Hydrogen production, storage, and utilization
  • Artificial intelligence and machine learning
  • Future mobility (autonomous vehicles, urban air mobility)
  • Quantum computing and quantum communication
  • Robotics and advanced manufacturing
  • Displays (OLED, micro-LED)
  • 6G telecommunications
  • These enhanced rates are available until 2029, with semiconductor-related credits extended to 2031.

    Facility Investment Tax Credits

    In addition to R&D expenditure credits, Korea offers tax credits on capital investments in R&D facilities:

    | Investment Type | SME Rate | Mid-Cap Rate | Large Enterprise Rate | |---|---|---|---| | General facilities | 10% | 5% | 1% | | New growth engine facilities | 12% | 7% | 3% | | National strategic technology facilities | 25% | 20% | 15% |

    Carry-Forward

    Unused R&D tax credits can be carried forward for 10 years, providing significant flexibility for companies whose Korean operations may not be immediately profitable.

    Comparison: Korea R&D Credits vs. Canada SR&ED

    | Feature | Korea R&D Tax Credit | Canada SR&ED | |---|---|---| | Maximum credit rate | 50% (SME, strategic tech) | 35% (CCPC, refundable) | | Standard SME rate | 25% (general tech, volume) | 35% (first $3M expenditure) | | Large company rate | 0-2% (general) to 30-40% (strategic) | 15% (non-refundable) | | Refundable? | No (credit against tax payable) | Yes (for CCPCs up to $3M) | | Carry-forward | 10 years | 20 years | | Strategic sector bonus | Yes (significantly higher rates) | No (uniform rates) | | Eligible expenditures | Personnel, materials, outsourced R&D, equipment depreciation, AI training data | Personnel, materials, some overhead, subcontracted R&D | | Filing deadline | With annual corporate tax return | 18 months after fiscal year end | | Documentation standard | Contemporaneous records required | Contemporaneous records strongly recommended | | Audit frequency | Periodic (risk-based) | Relatively frequent |

    Key takeaway for Canadian companies: Korea's R&D tax credits for strategic technologies are significantly more generous than SR&ED, but they are non-refundable. This means your Korean entity must have sufficient tax liability to absorb the credits. The 10-year carry-forward provides a buffer for early-stage operations.

    Application Process

    Step 1: Determine Your Technology Classification

    Before conducting R&D, classify your activities into one of the three tiers:

  • General technology
  • New growth engine / core source technology
  • National strategic technology
  • This classification determines your credit rate and documentation requirements. Consult with a Korean tax advisor to confirm your classification, as borderline cases require careful analysis.

    Step 2: Establish a Qualifying R&D Organization

    Your Korean entity should have a formally designated R&D department or research institute. Options include:

  • Corporate research institute (requires minimum 5 full-time researchers for manufacturing, 3 for non-manufacturing)
  • Research department (requires minimum 3 full-time researchers for manufacturing, 2 for non-manufacturing)
  • Registration with the Korea Industrial Technology Association (KOITA)
  • Step 3: Maintain Contemporaneous Documentation

    Throughout the tax year, maintain detailed records of:

  • R&D project descriptions and objectives
  • Technical challenges addressed (uncertainties)
  • Methodologies employed
  • Results achieved (including failures)
  • Personnel time allocated to each R&D project
  • Materials and supplies consumed
  • Equipment usage logs
  • Outsourced R&D contracts and deliverables
  • Step 4: Calculate Qualifying Expenditures

    At year-end, compile qualifying R&D expenditures by category:

  • Direct labor costs for R&D personnel
  • Materials and supplies
  • Outsourced R&D fees
  • Equipment depreciation
  • Other qualifying costs (travel for R&D purposes, patent filing costs related to R&D outputs)
  • Step 5: Select Calculation Method

    For each tax year, calculate the credit using both the volume method and the incremental method. Elect the method that yields the higher credit.

    Step 6: File with Corporate Tax Return

    Include the R&D tax credit claim with your Korean entity's annual corporate tax return. The filing deadline is the 15th day of the third month following the end of your fiscal year (e.g., March 15 for calendar-year companies).

    Step 7: Retain Documentation for Audit

    Korean tax authorities may audit R&D tax credit claims. Retain all supporting documentation for a minimum of five years after the filing date. Key audit focus areas include:

  • Qualification of activities as R&D (versus routine operations)
  • Allocation of personnel time between R&D and non-R&D activities
  • Correct classification of technology tier
  • Arm's-length pricing for outsourced R&D
  • Timeline and Cost

    | Activity | Timeline | Estimated Cost (CAD) | |---|---|---| | Technology classification assessment | 2-4 weeks | $3,000-$8,000 (tax advisor) | | R&D organization registration (KOITA) | 2-4 weeks | $1,000-$3,000 | | Ongoing documentation (annual) | Continuous | Internal staff time + $2,000-$5,000 advisory | | Annual credit calculation and filing | 4-6 weeks (before tax deadline) | $5,000-$15,000 (tax advisor) | | Audit response (if selected) | 2-6 months | $10,000-$30,000 (tax advisor + legal) |

    Net cost-benefit example:

    A Canadian SME investing CAD $1 million annually in qualifying R&D in Korea could receive:

  • General technology credit (25% volume): $250,000
  • New growth engine credit (30-40%): $300,000-$400,000
  • National strategic technology credit (40-50%): $400,000-$500,000
  • Even after professional advisory costs of $15,000-$25,000, the net benefit is substantial.

    Required Documents

    For R&D Organization Registration: 1. Application form (KOITA format) 2. List of full-time researchers with qualifications 3. Description of R&D facilities and equipment 4. Company registration certificate 5. Organizational chart showing R&D department

    For Annual Tax Credit Claim: 1. R&D project descriptions and technical reports 2. Personnel time records (R&D vs. non-R&D allocation) 3. Expenditure records by category (labor, materials, outsourcing, equipment) 4. Calculation worksheet showing volume and incremental method results 5. Election of calculation method 6. Prior-year R&D expenditure records (for incremental calculation) 7. Technology classification justification 8. KOITA registration certificate

    For Audit Defense: 1. All of the above, plus: 2. Detailed technical narratives for each R&D project 3. Lab notebooks, test results, and experimental data 4. Correspondence with outsourced R&D providers 5. Employment contracts for R&D personnel 6. Equipment purchase records and depreciation schedules

    Success Tips

    1. Register your R&D organization with KOITA immediately. This is a prerequisite for many R&D-related benefits beyond tax credits, including government R&D grants and preferential treatment in public procurement.

    2. Classify strategically but honestly. The difference between "general technology" and "national strategic technology" rates is enormous (25% vs. 50% for SMEs). Invest in professional advice to determine whether your R&D activities qualify for higher-tier classification.

    3. Hire Korean researchers. Employment of Korean R&D personnel strengthens your R&D organization registration, creates goodwill with Korean authorities, and provides local technical knowledge. Korean universities produce world-class engineering and science graduates.

    4. Maintain SR&ED-quality documentation. Canadian companies with SR&ED experience already have documentation discipline. Apply the same rigor to your Korean R&D records. The documentation standards are similar, and thorough records dramatically reduce audit risk.

    5. Coordinate with your Canadian SR&ED claims. R&D conducted in Korea by your Korean subsidiary does not qualify for Canadian SR&ED. However, the intellectual property generated can be licensed back to your Canadian operations. Structure your R&D activities to maximize benefits under both systems without double-counting.

    6. Plan for the carry-forward. If your Korean entity is not yet profitable, the 10-year carry-forward means your R&D credits are preserved. Structure your operations so that profitability is achieved within the carry-forward window.

    7. Consider AI and data investments. Korea has expanded qualifying R&D expenditures to include AI training data purchases. If your R&D involves machine learning, ensure you are capturing these costs as qualifying expenditures.

    8. Use the incremental method for growing R&D. If you are scaling up Korean R&D operations year-over-year, the incremental method (50% of the increase for SMEs) may yield higher credits than the volume method for the growth portion.

    Rise Partners Can Help

    Rise Holdings connects Canadian companies with Korean R&D tax credit expertise:

  • Technology classification: We work with Korean tax advisors to classify your R&D activities into the optimal tier, ensuring you capture the highest available credit rates
  • R&D organization setup: We facilitate KOITA registration and help structure your Korean R&D department to meet all eligibility requirements
  • Documentation systems: We help implement documentation practices that satisfy both Korean tax authorities and Canadian SR&ED requirements, reducing administrative burden for companies claiming credits in both countries
  • Annual credit optimization: We coordinate with your Korean tax advisors to ensure annual credit calculations are optimized and properly filed
  • SR&ED coordination: We work with your Canadian tax advisors to ensure Korean and Canadian R&D tax strategies are complementary, not conflicting
  • Audit support: We provide coordination and advisory support if your Korean R&D credits are audited
  • Contact Rise Holdings for a complimentary R&D tax credit assessment.

    Sources

  • [PwC - Korea Corporate Tax Credits and Incentives](https://taxsummaries.pwc.com/republic-of-korea/corporate/tax-credits-and-incentives)
  • [OECD INNOTAX - Korea R&D Tax Credit Details](https://stip.oecd.org/innotax/incentives/KOR1)
  • [OECD INNOTAX - South Korea Overview](https://stip.oecd.org/innotax/countries/SouthKorea)
  • [ABGi - Innovation Funding Incentives in South Korea](https://www.abgi-uk.com/innovation-funding-incentives-in-south-korea/)
  • [RSM Korea - Tax Reform Act 2025 for Foreign Invested Entities](https://www.rsm.global/korea/en/news/tax-reform-act-2025-summary-key-highlights-foreign-invested-entities-0)
  • [EY - Korea Enacts 2025 Tax Reform Bill](https://www.ey.com/en_gl/technical/tax-alerts/korea-enacts-2025-tax-reform-bill)
  • [Chambers and Partners - Corporate Tax 2025: South Korea](https://practiceguides.chambers.com/practice-guides/corporate-tax-2025/south-korea/trends-and-developments/O20546)
  • [Invest Korea - Tax Deductions for Koreans and Foreigners](https://www.investkorea.org/ik-en/cntnts/i-370/web.do)
  • [Invest Korea - Taxation in Korea 2025 (PDF)](https://www.investkorea.org/file/ik-en/252025Taxation_in_Korea.pdf)
  • [Canada.ca - SR&ED Tax Incentive Program](https://www.canada.ca/en/revenue-agency/services/scientific-research-experimental-development-tax-incentive-program.html)
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