📋 Korean Law Insight | Employment & Tax Law
By Attorney NOH UJIN | HANBYOL LAW LLC, Seoul
Korean Employee Stock Options and Equity Compensation Plans for Foreign Companies
As Korea continues to attract multinational corporations, foreign-invested companies increasingly seek to offer competitive compensation packages — including stock options (스톡옵션), restricted stock units (RSUs), employee stock purchase plans (ESPPs), and phantom equity. However, administering equity compensation in Korea involves navigating the Commercial Act (상법), the Income Tax Act (소득세법), the Financial Investment Services and Capital Markets Act (FSCMA / 자본시장법), and the Foreign Exchange Transactions Act (FETA / 외국환거래법). This guide provides a comprehensive legal framework for foreign companies operating in Korea.
1. Legal Basis for Stock Options in Korea
Korean law distinguishes between stock options issued by Korean corporations and equity awards issued by a foreign parent company to Korean employees. The primary legislation governing Korean stock option grants includes:
- Commercial Act (상법) Art. 340-2 through 340-5: Governs stock option issuance by Korean joint-stock companies (주식회사). Directors, officers, and employees may be granted options to purchase new shares at a pre-set exercise price.
- Venture Business Promotion Act (벤처기업육성에관한특별조치법): Provides enhanced flexibility for venture-designated companies, including expansion of eligibility to outside advisors and service providers.
- FSCMA: Applies when Korean employees receive stock in a listed foreign parent company, potentially triggering securities disclosure or holding period requirements.
2. Types of Equity Compensation Used in Korea
| Type | Description | Common User |
|---|
| Stock Options (SO) | Right to purchase shares at fixed price after vesting | Listed and unlisted Korean cos; venture-stage startups |
| Restricted Stock Units (RSU) | Conditional grant of shares upon vesting milestones | Foreign MNC subsidiaries in Korea |
| Employee Stock Purchase Plan (ESPP) | Discounted share purchase program | Large MNCs with global share plans |
| Phantom Stock / SAR | Cash settlement equivalent to share value appreciation | Pre-IPO companies, LLCs, partnerships |
| Performance Share Units (PSU) | Shares granted upon performance condition satisfaction | Senior executives at MNCs |
3. Tax Treatment of Equity Compensation
Korean tax treatment of equity compensation depends on (i) the type of award, (ii) the corporate status of the granting entity, and (iii) the residency of the employee at time of taxable event.
3.1 Stock Options (Korean Corporation)
Under the Income Tax Act Art. 20(1)(iv), income arising from exercise of a stock option granted by a Korean employer is classified as earned income (근로소득) and taxed at progressive income tax rates (6%–45%) plus local income tax (10% surcharge). The taxable amount equals the difference between the fair market value (FMV) at exercise and the exercise price.
Venture Company Exception: Under the Venture Business Promotion Act, qualifying venture company stock options may be subject to a deferred taxation regime — employees may elect to defer recognition until share sale, at which point gains may be taxed as capital gains rather than earned income, potentially at lower rates.
3.2 RSUs / ESPPs from Foreign Parent Companies
When a Korean employee receives RSUs or ESPP shares from a foreign listed parent:
- At Vesting/Purchase: FMV of shares at vesting minus any employee contribution = earned income subject to withholding by the Korean employer (the local subsidiary).
- At Sale: Capital gain (양도소득) — taxed separately. For shares of foreign corporations, the applicable rate is 22% (20% + 2% local tax) on gains exceeding KRW 2.5 million per year per taxpayer.
- Withholding Obligation: The Korean subsidiary (local employer) must withhold income tax at the time of vest and report to NTS via 근로소득지급명세서.
3.3 Phantom Stock / SARs
Cash-settled phantom awards are straightforwardly treated as earned income (근로소득) taxable in the year of cash payment, with the Korean employer responsible for withholding.
4. Foreign Exchange and Reporting Obligations
When Korean employees receive shares of a foreign parent company, a number of FETA obligations arise:
- Overseas Securities Acquisition Report (해외증권취득신고): Under FETA Enforcement Decree, Korean residents acquiring foreign securities valued at USD 50,000 or more per transaction must report to an authorized foreign exchange bank within one month.
- Overseas Investment Report (해외직접투자신고): If the employee holds 10% or more of the foreign parent's shares, overseas direct investment reporting obligations may be triggered.
- Annual Report on Overseas Financial Accounts (해외금융계좌신고): Employees holding balances exceeding KRW 500 million in overseas financial accounts (including brokerage accounts holding RSU shares) as of June 1 each year must report to NTS by June 30.
5. Social Insurance Considerations
Equity compensation income recognized as earned income (근로소득) in Korea is generally excluded from the NHI/NPS premium base for the purpose of social insurance contributions, because the premium base is calculated on the prior year's recognized salary (정기급여) and equity income is typically classified as irregular/non-recurring income (비정기급여). However, this exclusion is not absolute and companies should confirm with their HR/tax advisors based on classification.
6. Designing a Compliant Equity Plan for Korean Employees
Foreign companies should consider the following steps when rolling out a global equity plan to Korean employees:
- Obtain Board and Shareholder Approval: Korean-incorporated subsidiaries granting stock options must comply with Commercial Act Art. 340-2 (board resolution + special resolution of shareholders for some classes).
- Register the Plan with Competent Authorities: If the parent is a foreign listed company and the plan qualifies as a "public offering" under Korean securities law, FSCMA registration or an exemption analysis is required.
- Establish a Withholding and Reporting System: Korean subsidiaries must implement processes to (a) obtain FMV data at each vest date, (b) compute and withhold earned income tax, (c) report on Year-End Tax Settlement (연말정산), and (d) file 지급명세서 with NTS.
- Prepare Employee Communications: Korean employees must be informed of their tax obligations — especially the overseas securities acquisition reporting and annual financial account reporting requirements.
- FETA Compliance: Set up an authorized foreign exchange bank relationship and confirm reporting timeline for each equity grant event.
- Dual-Country Tax Considerations: Use available tax treaty provisions (e.g., Korea-US, Korea-UK tax treaties) to prevent double taxation. Source-country allocation of equity income is a common point of dispute.
7. Corporate Tax Deductibility
Korean subsidiaries may deduct compensation expense associated with equity awards if the awards are classified as compensation for services rendered in Korea. The deduction is taken in the year the expense is recognized under Korean GAAP (K-IFRS or K-GAAP). Parent company cross-charges to the Korean subsidiary must be documented under transfer pricing principles — inadequate documentation risks reclassification by NTS as a non-deductible expense or a deemed dividend.
8. Recent Developments
- 2023 Income Tax Act Amendment: Expanded venture company stock option deferred taxation eligibility to employees of certain investee companies affiliated with venture funds.
- NTS International Enforcement: NTS has intensified scrutiny of undisclosed overseas financial accounts holding equity shares. Penalties of up to 20% of undisclosed amounts plus criminal referral risk for chronic non-disclosure.
- FETA Reform (2023): Streamlined overseas securities reporting — combined multiple reporting forms into a single standardized notice system through authorized banks.
- AI and Startup Equity: The 2024 AI Basic Act and ongoing regulatory sandbox policies have created additional venture designation paths, expanding access to favorable stock option tax treatment for AI/tech startups.
📌 Official References
Frequently Asked Questions (FAQ)
Q1: Can a Korean subsidiary directly grant stock options on its own shares to employees?
Yes. A Korean 주식회사 (joint-stock company) may grant stock options under Commercial Act Art. 340-2. The grant requires a board resolution and, in most cases, a special resolution of shareholders (for options representing more than 10% of issued shares). Options may only be exercised after two years from the grant date, and the company must register the grant with the court registry if the grantee is a director.
Q2: Are RSUs from a foreign parent taxable in Korea even if the parent is not incorporated here?
Yes. Korean residents (including Korean nationals and foreigners with habitual residency in Korea) are taxed on worldwide income. RSUs vesting while the employee is a Korean resident are taxable as earned income in Korea, regardless of whether the granting company is Korean or foreign.
Q3: What is the penalty for failing to report overseas securities acquisition?
Under FETA, failure to report overseas securities acquisition (worth USD 50,000+) is subject to a penalty of up to 2% of the transaction value (minimum KRW 100,000, maximum KRW 10 million per violation). Willful concealment may additionally result in criminal penalties.
Q4: How does Korea-US tax treaty apply to RSU income?
The Korea-US Tax Convention (1979, as amended) treats RSU income as employment income, taxable in the country where the services giving rise to the income were performed. If an employee worked partly in Korea and partly in the US during the vesting period, income must be apportioned accordingly. The treaty's competent authority procedure is available to resolve double taxation disputes.
Q5: Is phantom stock (현금결제형 주가차익보상) treated differently from actual stock option grants?
Yes. Phantom stock / SARs settled in cash are treated as ordinary earned income (근로소득) taxed in the year of cash payment. There is no deferral benefit available, and no foreign exchange reporting obligations arise (since no foreign securities are acquired). They are simpler to administer from a Korean compliance standpoint.
Q6: Do Korean labor law protections apply to equity compensation?
Generally, stock options and RSUs are not classified as "wages" (임금) under the Labor Standards Act (근로기준법) unless they are guaranteed contractually as part of fixed compensation. They are not included in the severance pay (퇴직금) calculation base. However, if equity compensation is promised unconditionally in an employment contract, disputes may arise. Careful contract drafting is essential.
Q7: What is the annual overseas financial account reporting threshold for Korean employees holding RSU shares?
Korean residents who hold foreign financial accounts (including brokerage accounts holding RSU/ESPP shares) with a combined balance exceeding KRW 500 million (approximately USD 375,000) as of June 1 of each year must file a report with NTS by June 30. Failure to report results in penalties of 10–20% of unreported balance and possible criminal referral for amounts exceeding KRW 5 billion.
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📋 韩国法律洞察 | 劳动法与税务
作者：NOH UJIN 律师 | HANBYOL LAW LLC，首尔
外资企业在韩国实施员工股票期权及股权激励计划法律指南
随着韩国持续吸引跨国企业，外商投资企业越来越希望向韩国员工提供具有竞争力的薪酬方案，包括股票期权（스톡옵션）、限制性股票单位（RSU）、员工持股计划（ESPP）及虚拟股权等。然而，在韩国管理股权激励计划需要遵守《商法》（상법）、《所得税法》（소득세법）、《资本市场法》（자본시장법）以及《外汇交易法》（외국환거래법）等多部法规。
一、韩国股票期权的法律基础
韩国法律区分韩国法人发行的股票期权与外国母公司向韩国员工授予的股权奖励。主要适用法规包括：
- 《商法》第340-2至340-5条：规范韩国股份有限公司股票期权的发行，董事、高管及员工均可获授以预定行权价购买新股的期权。
- 《风险企业促进特别措施法》：为风险企业认定公司提供更大灵活性，将授权对象扩展至外部顾问及服务提供商。
- 《资本市场法》：当韩国员工获得外国上市母公司股份时适用，可能触发证券披露或持有期要求。
二、韩国常用股权激励类型
| 类型 | 说明 | 常见适用主体 |
|---|
| 股票期权 | 归属后以固定价格购买股份的权利 | 上市及非上市韩国公司；初创企业 |
| 限制性股票单位（RSU） | 达到归属条件后获授股份 | 外资跨国公司韩国子公司 |
| 员工持股计划（ESPP） | 折扣购股计划 | 有全球股权计划的大型跨国公司 |
| 虚拟股权/股价增值权 | 以现金结算相当于股价增值的金额 | IPO前公司、有限责任公司 |
| 绩效股份单位（PSU） | 满足绩效条件后授予股份 | 跨国公司高级管理人员 |
三、股权激励的税务处理
韩国税务处理取决于：①奖励类型；②授权主体的公司性质；③员工在应税事件发生时的居民身份。
3.1 韩国法人授予的股票期权
根据《所得税法》第20条第1款第4项，行使韩国雇主授予的股票期权所产生的收入被认定为劳动所得（근로소득），适用6%至45%的累进税率，另加征10%的地方所得税。应税金额为行权时股份公允市价与行权价的差额。
3.2 来自外国母公司的RSU/ESPP
- 归属/购买时：归属时股份公允市价减去员工出资额 = 劳动所得，由韩国雇主（当地子公司）代扣代缴。
- 出售时：转让所得（양도소득），单独计税。外国公司股份适用税率为22%（20%+2%地方税），每纳税人每年超过250万韩元的增值部分适用此税率。
四、外汇及申报义务
韩国员工获得外国母公司股份时，须遵守以下《外汇交易法》规定：
- 境外证券取得申报：单笔5万美元以上的境外证券取得须在一个月内向指定外汇银行申报。
- 境外金融账户年度申报：每年6月1日持有境外金融账户（包括持有RSU股份的经纪账户）合计余额超过5亿韩元的居民，须于6月30日前向国税厅申报。
五、合规股权计划设计要点
- 取得董事会及股东会决议批准
- 分析资本市场法下的证券注册或豁免要求
- 建立代扣代缴及申报体系
- 向员工充分披露税务义务
- 确保外汇合规并设立指定外汇银行关系
- 利用税收协定条款防止双重征税
📌 官方参考资源
常见问题（FAQ）
Q1：韩国子公司能否直接向员工授予本公司股票期权？
可以。韩国股份有限公司可依据《商法》第340-2条授予股票期权，需经董事会决议，通常还需股东特别决议。期权须自授权之日起满两年后方可行使。
Q2：外国母公司授予的RSU在韩国是否需要纳税？
是的。韩国居民就全球所得缴纳所得税。员工在韩国居民期间归属的RSU，无论授权方是否为韩国法人，均须在韩国申报缴纳劳动所得税。
Q3：未申报境外证券取得的处罚是什么？
根据《外汇交易法》，未申报5万美元以上境外证券取得的，可处交易金额2%以下的罚款（最低10万韩元，最高每次违规1,000万韩元）。
Q4：虚拟股权与实际股票期权税务处理有何不同？
现金结算的虚拟股权/股价增值权被视为普通劳动所得，于现金支付当年计税，无递延纳税优惠，也无外汇申报义务，合规管理相对简便。
Q5：股权激励是否计入韩国退职金计算基础？
通常情况下，股票期权和RSU不属于《劳动基准法》下的"工资"，不纳入退职金计算基础。但若在劳动合同中作为固定薪酬无条件承诺，则可能产生争议，合同起草需格外谨慎。
📚 相关文章
📋 韓国法律インサイト | 雇用法・税法
執筆：NOH UJIN 弁護士 | HANBYOL LAW LLC、ソウル
外資系企業のための韓国ストックオプション・株式報酬制度 法律ガイド
韓国への外国直接投資が増加する中、外資系企業は競争力のある報酬パッケージとしてストックオプション（스톡옵션）、制限付株式ユニット（RSU）、従業員持株制度（ESPP）、ファントムストックなどの株式報酬を韓国従業員に提供しようとしています。しかし、韓国における株式報酬の管理には、商法（상법）、所得税法（소득세법）、資本市場法（자본시장법）、外国為替取引法（외국환거래법）への対応が必要です。
1. 韓国のストックオプション法的根拠
韓国法は、韓国法人が発行するストックオプションと外国親会社が韓国従業員に付与する株式報酬を区別します。
- 商法第340-2条〜第340-5条：韓国株式会社のストックオプション発行を規律。取締役・役員・従業員に、事前設定行使価格で新株を購入する権利を付与できます。
- ベンチャー企業育成に関する特別措置法：ベンチャー認定企業に対してより大きな柔軟性を提供し、外部顧問等への付与も可能。
- 資本市場法：韓国従業員が外国上場親会社の株式を受け取る場合に適用され、証券開示・保有期間要件が生じる可能性があります。
2. 株式報酬の税務上の取扱い
2.1 韓国法人付与のストックオプション
所得税法第20条第1項第4号により、韓国雇用主から付与されたストックオプションの行使により生じた所得は勤労所得（근로소득）として累進税率（6%〜45%）、さらに地方所得税（10%付加）が課税されます。課税対象額は行使時の公正市場価額と行使価格の差額です。
2.2 外国親会社からのRSU・ESPP
- ベスティング時：ベスティング時の株式公正市場価額から従業員拠出額を控除した金額 = 勤労所得として韓国の雇用主（現地子会社）が源泉徴収義務を負います。
- 売却時：譲渡所得（양도소득）として分離課税。外国法人株式の場合は22%（20%+2%地方税）、年間250万ウォン超過分に適用。
3. 外国為替・申告義務
- 海外証券取得申告：1回の取引が5万米ドル以上の海外証券取得は、1ヶ月以内に指定外国為替銀行へ申告が必要。
- 海外金融口座年次申告：毎年6月1日時点で海外金融口座（RSU株式を保有する証券口座を含む）の合計残高が5億ウォン超の居住者は、6月30日までに国税庁（NTS）へ申告が必要。
4. コンプライアントな株式プランの設計ステップ
- 取締役会・株主総会決議の取得（韓国法人の場合）
- 資本市場法上の証券登録または免除要件の分析
- 源泉徴収・申告体制の構築
- 従業員への税務義務の周知
- 外国為替コンプライアンス確保
- 租税条約の活用による二重課税防止
📌 公式参考資料
よくある質問（FAQ）
Q1：韓国子会社は自社株式のストックオプションを直接付与できますか？
はい。韓国株式会社は商法第340-2条に基づきストックオプションを付与できます。取締役会決議、場合によっては株主特別決議が必要で、付与日から2年経過後に行使可能となります。
Q2：外国親会社からのRSUは韓国で課税されますか？
はい。韓国居住者は全世界所得に課税されます。韓国居住中にベストしたRSUは、付与者が外国法人であっても韓国で勤労所得として申告納税が必要です。
Q3：ファントムストックの税務上の取扱いはストックオプションと異なりますか？
はい。現金決済型ファントムストック/SARは現金支払年度の勤労所得として課税され、繰延課税の特典はなく、外国為替申告義務も生じないため、コンプライアンス管理は比較的シンプルです。
Q4：株式報酬は退職金の算定基礎に含まれますか？
原則として、ストックオプションやRSUは労働基準法上の「賃金」に該当せず、退職金算定基礎には含まれません。ただし、雇用契約で無条件に保証されている場合は紛争が生じる可能性があり、契約文書の精密な作成が重要です。
Q5：海外証券取得を申告しなかった場合のペナルティは？
外国為替取引法により、5万米ドル以上の海外証券取得を未申告の場合、取引金額の2%以下の過料（最低10万ウォン、最高1回につき1,000万ウォン）が科されます。
📚 関連記事
📋 Perspectiva Legal Coreana | Derecho Laboral y Fiscal
Por el Abogado NOH UJIN | HANBYOL LAW LLC, Seúl
Opciones sobre Acciones y Planes de Compensación en Acciones en Corea para Empresas Extranjeras
A medida que Corea continúa atrayendo corporaciones multinacionales, las empresas con inversión extranjera buscan cada vez más ofrecer paquetes de compensación competitivos que incluyan opciones sobre acciones (스톡옵션), unidades de acciones restringidas (RSU), planes de compra de acciones para empleados (ESPP) y compensación fantasma. Sin embargo, administrar planes de compensación en acciones en Corea implica navegar la Ley Comercial (상법), la Ley del Impuesto sobre la Renta (소득세법), la Ley de Mercados de Capitales (자본시장법) y la Ley de Transacciones en Moneda Extranjera (외국환거래법).
1. Base Jurídica de las Opciones sobre Acciones
La ley coreana distingue entre opciones emitidas por sociedades coreanas y premios de capital otorgados por una empresa matriz extranjera a empleados coreanos.
- Ley Comercial, Arts. 340-2 a 340-5: Regula la emisión de opciones por sociedades anónimas coreanas (주식회사).
- Ley Especial de Fomento de Empresas de Riesgo: Flexibilidad ampliada para empresas con designación venture, incluyendo asesores externos.
- Ley de Mercados de Capitales: Aplica cuando empleados coreanos reciben acciones de una empresa matriz extranjera cotizada.
2. Tratamiento Fiscal
2.1 Opciones de Sociedades Coreanas
Según el Art. 20(1)(iv) de la Ley del Impuesto sobre la Renta, los ingresos derivados del ejercicio de opciones otorgadas por un empleador coreano se clasifican como renta del trabajo (근로소득), gravadas a tasas progresivas del 6% al 45%, más impuesto local del 10%. La base imponible es la diferencia entre el valor de mercado en el momento del ejercicio y el precio de ejercicio.
2.2 RSU/ESPP de Empresa Matriz Extranjera
- En el momento de la adquisición: El valor de mercado de las acciones en el momento de la adquisición menos cualquier contribución del empleado = renta del trabajo sujeta a retención por el empleador coreano.
- En el momento de la venta: Ganancia de capital (양도소득), gravada al 22% sobre las ganancias superiores a KRW 2,5 millones anuales.
3. Obligaciones de Control de Cambios
- Declaración de adquisición de valores extranjeros: Los residentes coreanos que adquieran valores extranjeros por un valor igual o superior a USD 50.000 deben notificarlo a un banco de divisas autorizado en el plazo de un mes.
- Declaración anual de cuentas financieras en el extranjero: Los residentes con saldos superiores a KRW 500 millones en cuentas extranjeras al 1 de junio deben presentar una declaración ante la NTS antes del 30 de junio.
4. Pasos para Diseñar un Plan de Acciones Conforme
- Obtener aprobación del consejo de administración y de los accionistas
- Analizar los requisitos de registro de valores bajo la Ley de Mercados de Capitales
- Establecer sistemas de retención e información
- Informar a los empleados sobre sus obligaciones fiscales
- Garantizar el cumplimiento de la normativa cambiaria
- Aplicar convenios fiscales para evitar la doble imposición
📌 Referencias Oficiales
Preguntas Frecuentes (FAQ)
P1: ¿Puede una filial coreana otorgar directamente opciones sobre sus propias acciones?
Sí. Una sociedad anónima coreana puede otorgar opciones sobre acciones conforme al Art. 340-2 de la Ley Comercial, mediante resolución del consejo de administración y, en muchos casos, resolución especial de los accionistas. Las opciones solo pueden ejercerse transcurridos dos años desde la fecha de concesión.
P2: ¿Los RSU de una empresa matriz extranjera tributan en Corea?
Sí. Los residentes coreanos tributan por su renta mundial. Los RSU que se consolidan mientras el empleado es residente coreano deben declararse como renta del trabajo en Corea, independientemente de si la entidad concedente es coreana o extranjera.
P3: ¿Cuál es la sanción por no declarar la adquisición de valores extranjeros?
Conforme a la Ley de Transacciones en Moneda Extranjera, la no declaración de adquisiciones de valores extranjeros iguales o superiores a USD 50.000 puede dar lugar a multas de hasta el 2% del valor de la transacción (mínimo KRW 100.000, máximo KRW 10 millones por infracción).
P4: ¿La compensación en acciones se incluye en el cálculo de la indemnización por despido?
Generalmente no. Las opciones sobre acciones y los RSU no se clasifican como «salario» en virtud de la Ley de Normas Laborales, por lo que no se incluyen en la base de cálculo de la indemnización (퇴직금). Sin embargo, si se garantizan incondicionalmente en el contrato de trabajo, pueden surgir controversias.
P5: ¿Cómo se aplica el convenio fiscal Corea-EE.UU. a los RSU?
El Convenio Fiscal entre Corea y EE.UU. trata los ingresos por RSU como rentas del trabajo, gravables en el país donde se prestaron los servicios. Si el empleado trabajó en ambos países durante el período de adquisición, los ingresos deben prorratearse en consecuencia.
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