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Business Angel Investment Agreement Spain (Acuerdo de Business Angel)

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SpainSpainEnglish (ES)FreePDF & WordUpdated Jun 6, 2026
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Business Angel Investment Agreement (Acuerdo de Business Angel)
Business Angel Investment Agreement Spain (Acuerdo de Business Angel)

BUSINESS ANGEL INVESTMENT AGREEMENT (ACUERDO DE INVERSIÓN — BUSINESS ANGEL)

El presente Acuerdo de Inversión de Business Angel se suscribe en [Signature City], a [Signature Date], al amparo de la Ley de Sociedades de Capital (Real Decreto Legislativo 1/2010 — LSC), en particular su artículo 28, y de los principios generales de contratación del Código Civil, entre las siguientes partes:

SOCIEDAD: [Company Name], [Company Legal Form] con NIF [Company NIF], inscrita en [Registro Mercantil], con domicilio en [Company Address], y un capital social pre-money de [Pre-Money Cap] €.

FUNDADORES: [Founder Names].

INVERSOR — BUSINESS ANGEL: [Investor Name], con DNI/NIE [Investor DNI], con domicilio en [Investor Address].

CLAUSE 1 — INVESTMENT AND CAPITAL INCREASE

El Inversor se compromete a invertir [Investment Amount] € en la Sociedad mediante una ampliación de capital conforme a los artículos 296 a 310 de la LSC, suscribiendo [New Participaciones] participaciones de nueva emisión a un precio de suscripción de [Subscription Price] € por participación (incluyendo valor nominal y prima de emisión).

Valoración pre-money: [Pre-Money Valuation] €. Valoración post-money: [Post-Money Valuation] €. Participación del Inversor tras la inversión: [Investor Ownership]. La ampliación de capital se otorgará ante Notario Público a más tardar el [Closing Date] y se inscribirá en el Registro Mercantil dentro del plazo legal.

CLAUSE 2 — REPRESENTATIONS AND WARRANTIES

La Sociedad y los Fundadores manifiestan y garantizan que: (a) la Sociedad está válidamente constituida y al corriente de sus obligaciones ante el Registro Mercantil; (b) el capital social y la tabla de capitalización (cap table) divulgados son exactos y completos; (c) no existen pasivos, litigios o cargas no revelados sobre las participaciones; (d) la Sociedad es titular o licenciataria de toda la propiedad intelectual relevante utilizada en su actividad; (e) la Sociedad cumple con la Ley Orgánica 3/2018 (LOPDGDD) y con el resto de la normativa aplicable; y (f) los firmantes cuentan con plena capacidad para suscribir este acuerdo.

CLAUSE 3 — INVESTOR RIGHTS

Derechos de consejo: [Board Rights]. Protección antidilución: [Anti-Dilution]. Preferencia de liquidación: [Liquidation Preference]. Derecho de adquisición preferente sobre transmisiones de participaciones: [ROFR]. Derecho de arrastre (drag-along): [Drag Along]. Derecho de acompañamiento (tag-along): [Tag Along].

El Inversor recibirá los estados financieros trimestrales y las cuentas anuales auditadas en un plazo de 30 días desde su aprobación por la junta general de socios. El Inversor será notificado y tendrá derecho a participar a prorrata en toda futura emisión de participaciones (derecho de suscripción preferente) conforme al artículo 304 LSC.

CLAUSE 4 — FOUNDER VESTING

Las participaciones de los Fundadores están sujetas al siguiente calendario de vesting inverso (calendario de revesting): [Vesting Schedule]. Si un Fundador abandona la Sociedad antes de completar el vesting, la Sociedad (o los Fundadores restantes, según lo acordado en el Pacto de Socios) podrá recomprar las participaciones no consolidadas a su valor nominal, con sujeción a las restricciones del artículo 140 LSC.

CLAUSE 5 — IRPF DEDUCTION

CLAUSE 6 — SHAREHOLDERS' AGREEMENT

Las partes se comprometen a suscribir un Pacto de Socios de forma simultánea a la ampliación de capital o dentro de los 30 días siguientes a esta, incorporando todos los derechos del Inversor, los acuerdos de gobierno corporativo, las disposiciones de vesting y las restricciones de transmisión aquí pactadas. En caso de conflicto entre este acuerdo y el Pacto de Socios, prevalecerá el Pacto de Socios.

CLAUSE 7 — CONFIDENTIALITY AND EXCLUSIVITY

Toda la información intercambiada entre las partes en relación con esta inversión es confidencial conforme a la Ley 1/2019 de Secretos Empresariales. Durante el periodo de exclusividad de 30 días desde la fecha de este acuerdo, la Sociedad y los Fundadores no negociarán ni aceptarán propuestas de inversión de terceros que compitan con la presente, sin el consentimiento previo por escrito del Inversor.

CLAUSE 8 — GOVERNING LAW AND DISPUTE RESOLUTION

Este acuerdo se rige por la legislación española, en particular por la Ley de Sociedades de Capital (RDL 1/2010) y el Código Civil. Cualquier controversia se someterá al Juzgado de lo Mercantil competente por razón del domicilio social de la Sociedad, o a arbitraje conforme al reglamento de la Corte de Arbitraje de Madrid, a elección de la parte demandante.

SIGNATURES

En prueba de conformidad, todas las partes firman el presente acuerdo en [Signature City], a [Signature Date].

Sociedad

________________

Signature

Fundadores

________________

Signature

Inversor — Business Angel

________________

Signature

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What Is a Business Angel Investment Agreement Spain (Acuerdo de Business Angel)?

A Business Angel Investment Agreement Spain (Acuerdo de Business Angel) is a formal written contract between a private early-stage investor — the business angel (inversor ángel) — and the founders or existing shareholders of a Spanish startup or early-stage company, documenting the terms under which the investor subscribes for newly issued shares or participaciones (equity stakes) in the company in exchange for a cash investment. The agreement is governed principally by the Ley de Sociedades de Capital (Real Decreto Legislativo 1/2010 — LSC), particularly Article 28 which establishes the freedom of the company's estatutos sociales (articles of association) to regulate shareholder rights and obligations within the mandatory framework of the LSC, and by the general contractual principles of the Código Civil.

In Spain, most startup investments at the seed and early stage involve sociedades de responsabilidad limitada (S.L. or S.L.U.) rather than sociedades anónimas (S.A.) — the S.L. is the preferred vehicle because of its lower incorporation capital requirement (minimum €1 under the Real Decreto-Ley 13/2010), simpler governance, and the ability to customise shareholder rights through the estatutos sociales and the pacto de socios (shareholders' agreement). The LSC governs both forms — Articles 90 to 432 LSC govern the S.L. specifically, while Articles 1 to 89 and 433 onwards address provisions applicable to all mercantile companies.

The business angel ecosystem in Spain is active and growing — the Asociación Española de Business Angels (AEBAN) and regional networks such as the Madrid Network, Cataluña Angels (Esadeban), and Basque angels (Bidea) support connections between investors and startups. ENISA (Empresa Nacional de Innovación S.A.), a public entity under the Ministerio de Industria, provides complementary participative loans (préstamos participativos) to startups alongside business angel investments, while CDTI (Centro para el Desarrollo Tecnológico Industrial) funds R&D projects. The Tax Agency (Agencia Tributaria) offers specific IRPF deductions for business angel investments under Article 68.1 of the Ley 35/2006 del IRPF — investors in newly created companies (empresas de nueva o reciente creación) may deduct 50% of invested amounts up to €100,000 from their annual IRPF tax liability, subject to conditions regarding company size, activity, and holding period.

The Business Angel Investment Agreement in the Spanish market typically consists of: a term sheet (hoja de términos) setting out the principal investment terms; the capital increase documentation (ampliación de capital) executed before a Notario Público as required by Article 296 LSC for S.L. companies; amendments to the estatutos sociales approved by the junta general de socios; and the pacto de socios (shareholders' agreement) governing the ongoing relationship between founders, investors, and the company. The investment agreement itself documents the binding pre-investment commitments before the formal capital increase is notarised.

Valuation is a central element of any business angel agreement in Spain. Pre-money valuation (valoración pre-money) determines the investor's ownership percentage — the investment amount divided by the post-money valuation. Spanish startups commonly use convertible notes (notas convertibles) or Simple Agreements for Future Equity (SAFEs, known in Spain as acuerdos de inversión convertible — AICs) for very early rounds, deferring the valuation discussion to a later priced round. Convertible instruments in Spain are governed by the Código Civil provisions on obligaciones convertibles and the LSC rules on share issuance — they do not have a specific statutory framework and require careful drafting by a specialist abogado mercantilista.

Anti-dilution protections (cláusulas antidilución), drag-along rights (derecho de arrastre), tag-along rights (derecho de acompañamiento), liquidation preferences (preferencia de liquidación), and information rights (derechos de información) are the key investor protection mechanisms in Spanish startup investment agreements. These provisions must be consistent with the mandatory framework of the LSC — the Dirección General de los Registros y del Notariado (DGRN) has issued multiple resolutions on the registrability of startup provisions in the Registro Mercantil, providing important guidance on which customisations are permitted in the estatutos sociales.

When Do You Need a Business Angel Investment Agreement Spain (Acuerdo de Business Angel)?

A Business Angel Investment Agreement Spain is required whenever a private investor provides early-stage equity financing to a Spanish startup or growth company in exchange for an ownership stake, and both parties wish to document the investment terms, investor rights, and founder obligations in a legally binding written agreement.

The agreement is needed when a Spanish startup — typically a sociedad limitada (S.L.) incorporated and registered in the Registro Mercantil — seeks seed funding from one or more business angels to finance product development, team growth, or market entry, typically for investments ranging from €25,000 to €500,000 in individual business angel transactions.

A business angel investment agreement is required when a founder wishes to qualify for the IRPF deduction available under Article 68.1 of Ley 35/2006 del IRPF for investment in empresas de nueva o reciente creación — the investor must subscribe for newly issued participaciones in the S.L. through a properly documented capital increase (ampliación de capital) executed before a Notario Público, with the investment agreement providing the underlying commercial terms.

The agreement is needed when a business angel network (red de business angels) — such as AEBAN member networks, South Summit investors, or regional development agencies with co-investment mandates — requires standardised documentation of the investment terms before disbursing funds alongside other co-investors. Standardised term sheets based on the INVEST Europe or Spanish Venture Capital Association (SpainCap, formerly ASCRI) model documents are increasingly used.

A business angel agreement is required when founders and investors wish to document governance rights — board observation rights (derechos de asistencia al consejo), information rights (derechos de información periódica), veto rights (derechos de veto) over reserved matters, and approval thresholds — in advance of the formal capital increase and shareholder agreement execution.

The agreement is also necessary when an angel investor in Spain wishes to formalise conversion rights — in convertible note or acuerdo de inversión convertible (AIC) transactions — specifying the conversion trigger (priced Series A round), conversion discount, valuation cap, and investor rights upon conversion, before committing funds to the startup at the seed stage.

Parties in Spain should prepare a Business Angel Investment Agreement Spain (Acuerdo de Business Angel) proactively rather than waiting for a dispute to arise. Courts interpret agreements based on the written terms rather than oral representations. Under the Ley de Sociedades de Capital (LSC) RDL 1/2010, the Registro Mercantil maintains the register of Spanish companies. The Código de Comercio 1885 governs commercial obligations. The Agencia Estatal de Administración Tributaria (AEAT) administers Impuesto sobre Sociedades (IS) under Ley 27/2014. The Comisión Nacional de los Mercados y la Competencia (CNMC) enforces competition law. The Código Civil governs general contractual obligations under Article 1255. Where the transaction involves regulated activities, prior approval from the relevant authority may be required before execution.

What to Include in Your Business Angel Investment Agreement Spain (Acuerdo de Business Angel)

A valid Business Angel Investment Agreement Spain must include the following essential elements to be commercially complete, legally enforceable under the Ley de Sociedades de Capital (RDL 1/2010) and Código Civil, and suitable for execution alongside a formal capital increase before a Spanish Notario Público.

Identification of Parties: Full legal names, DNI/NIE/NIF numbers, and addresses of the business angel investor (inversor) and all founders or existing shareholders of the company. The company's full corporate name, NIF, Registro Mercantil registration number (tomo, folio, hoja), and registered address must be stated. The company's legal form (S.L. or S.A.) and share capital structure before the investment must be documented.

Investment Amount and Valuation: The total investment amount in euros, the agreed pre-money valuation of the company, the resulting post-money valuation, and the number of new participaciones or shares to be issued to the investor. The subscription price per participación and the resulting ownership percentage post-investment must be clearly stated. For convertible investments, the conversion terms — discount rate, valuation cap, conversion trigger events, and conversion formula — must be precisely defined.

Capital Increase Documentation: The terms of the ampliación de capital (capital increase) to be approved by the junta general de socios under Articles 296 to 310 of the LSC — including the new share capital amount, nominal value and issuance premium (prima de emisión) per participación, subscription period, and payment terms. The capital increase requires execution before a Notario Público and registration in the Registro Mercantil under Article 322 LSC. The company's NIF must be updated with the Agencia Tributaria to reflect the new capital.

Representations and Warranties: The company's and founders' representations regarding: valid incorporation and good standing in the Registro Mercantil; accuracy of provided financial statements and cap table; absence of undisclosed liabilities or litigation; ownership of key intellectual property; compliance with applicable law including Ley Orgánica 3/2018 (LOPDGDD) for data processing companies; and authority of the signatories. The investor's representations regarding their investment experience, financial capacity, and status as a qualified investor (inversor cualificado) if applicable under Ley del Mercado de Valores (Ley 6/2023).

Investor Rights: Board observation rights (derecho de asistencia a las reuniones del órgano de administración) or full board seat rights for investments above defined thresholds; periodic financial information rights (estados financieros trimestrales); right to participate pro-rata in future financing rounds (derecho de tanteo or right of first refusal on new issuances under Article 304 LSC); anti-dilution protection (weighted average or full ratchet) in the event of down rounds; and drag-along and tag-along rights to be incorporated in the estatutos sociales or pacto de socios.

Founder Vesting: A vesting schedule (calendario de consolidación) for founders' participaciones — typically four years with a one-year cliff — linking continued ownership to continued involvement in the company. Reverse vesting (revesting) provisions allow the company to repurchase unvested participaciones at nominal value if a founder leaves before full vesting. These provisions must be carefully structured under Spanish law to avoid classification as a prohibited repurchase of own participaciones under Article 140 LSC.

Liquidation Preference: The investor's priority right to receive their invested capital (and optionally a return multiple) before founders receive any proceeds in a liquidation, dissolution, or M&A exit event. Liquidation preferences must be structured consistently with Article 391 LSC governing the distribution of assets upon liquidation of an S.L.

Confidentiality and Exclusivity: Mutual confidentiality obligations under Ley 1/2019 de Secretos Empresariales during and after the investment process. An exclusivity period (período de exclusividad) during due diligence, preventing the company from accepting competing investment offers for a defined period.

Governing Law and Dispute Resolution: Spanish law as governing law, with disputes referred to the Juzgado de lo Mercantil (commercial court) with jurisdiction over the company's registered address, or to arbitration under the rules of the Corte de Arbitraje de Madrid or the Centro Internacional de Arbitraje de Madrid (CIAM) — the latter being increasingly preferred for investor-founder disputes in the Spanish startup ecosystem.

Forms-legal.com provides this Business Angel Investment Agreement Spain template as a practical starting point. All startup equity transactions in Spain require execution before a Notario Público for the capital increase documentation and Registro Mercantil registration — founders and investors must engage a qualified abogado mercantilista with startup transaction experience before executing any binding investment agreement.

Under the Ley de Sociedades de Capital (LSC) RDL 1/2010, the Registro Mercantil maintains the register of Spanish companies. The Código de Comercio 1885 governs commercial obligations. The Agencia Estatal de Administración Tributaria (AEAT) administers Impuesto sobre Sociedades (IS) under Ley 27/2014. The Comisión Nacional de los Mercados y la Competencia (CNMC) enforces competition law. The Código Civil governs general contractual obligations under Article 1255.

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@misc{formslegal-business-angel-investment-agreement-spain,
  author       = {{Forms Legal}},
  title        = {Business Angel Investment Agreement Spain (Acuerdo de Business Angel) (Spain)},
  year         = {2026},
  howpublished = {\url{https://forms-legal.com/espana/business/corporate/business-angel-investment-agreement-spain}},
  note         = {Free legal document template}
}
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{{cite web |title=Business Angel Investment Agreement Spain (Acuerdo de Business Angel) (Spain) |website=Forms Legal |publisher=Forms Legal |date=2026 |url=https://forms-legal.com/espana/business/corporate/business-angel-investment-agreement-spain}}
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T1  - Business Angel Investment Agreement Spain (Acuerdo de Business Angel) (Spain)
T2  - Forms Legal
PB  - Forms Legal
PY  - 2026
UR  - https://forms-legal.com/espana/business/corporate/business-angel-investment-agreement-spain
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Forms LegalUpdated 2026-06-06.bib.ris

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