# Subcontractors

Source: https://contracko.com/es/glosario/subcontratistas

# Subcontractors

Third parties a contractor engages to perform part of the work it owes under the main contract.

## Definición

Subcontractors are third parties a main contractor engages to carry out part of its contractual obligations, while remaining itself liable to the principal for the full performance. Contracts often regulate whether subcontracting is allowed, whether prior consent is needed, and require key terms to be flowed down. In labour and tax matters Dutch chain liability rules can make the principal co-liable for wages and payroll taxes unpaid down the chain.

## Ejemplo

> A general contractor hires an electrical subcontractor; the construction agreement requires the same safety and insurance terms to be flowed down to that subcontractor.

## Por qué es un riesgo para la empresa

A contractor who subcontracts without the principal's required consent, or without flowing down key obligations, risks being in breach of the main contract. Dutch chain liability rules mean the principal can be held liable for unpaid wages and payroll taxes owed by a subcontractor further down the chain, even if the main contractor appeared solvent. If a subcontractor underperforms, the main contractor bears the full risk to the principal while having limited remedies against a poorly documented subcontract.

## Cómo gestionarlo

- Check the main contract for any consent requirement before engaging a subcontractor; seek written approval if required.
- Flow down all material obligations from the main contract to each subcontract, including safety, insurance, confidentiality and quality standards.
- Verify that each subcontractor pays wages and taxes on time to limit your chain liability exposure; consider using a g-rekening arrangement.
- Keep a register of all active subcontractors linked to the relevant main contract so you have a clear picture of the supply chain at any moment.

### Cómo ayuda Contracko

Contracko lets you link subcontract records to the parent contract in the repository, so the full supply chain is visible in one place. Obligation tracking ensures that flow-down requirements and consent conditions from the main contract are mirrored as obligations on the linked subcontract, reducing the risk of a compliance gap.

## Referencias legales

- [BW 7:616a Dutch Civil Code: chain liability for wages (WAS) Derecho neerlandés](https://wetten.overheid.nl/BWBR0005290)
- [Invorderingswet 1990, art. 34-35 Collection of State Taxes Act: tax chain liability Derecho neerlandés](https://wetten.overheid.nl/BWBR0004770)

Salvo indicación en contrario, las referencias remiten al derecho neerlandés (Burgerlijk Wetboek, el Código Civil neerlandés); los instrumentos de la UE como el RGPD se aplican en toda la UE. Se trata de información general, no de asesoramiento legal. Otras jurisdicciones tratan estos conceptos de forma distinta. Verifique el texto vigente y su situación con un abogado cualificado.

## Relevante para

[Construcción](https://contracko.com/es/sectores/industria-construccion)[Empresas de electricidad](https://contracko.com/es/sectores/electricistas)[Empresas de climatización (HVAC)](https://contracko.com/es/sectores/climatizacion)[Ingeniería y arquitectura](https://contracko.com/es/sectores/ingenieria)

## Cláusulas relacionadas

- [Subcontracting Clause](https://contracko.com/es/biblioteca-de-clausulas/subcontratacion)
- [Flow-Down Clause](https://contracko.com/es/biblioteca-de-clausulas/clausula-de-traslado-de-obligaciones)
- [Supply Chain Liability](https://contracko.com/es/biblioteca-de-clausulas/responsabilidad-cadena-de-suministro)

## Términos relacionados

- [Supply chain liability](https://contracko.com/es/glosario/responsabilidad-cadena-de-suministro)
- [Assignment](https://contracko.com/es/glosario/cesion)
- [Back-to-back contracting](https://contracko.com/es/glosario/contratacion-back-to-back)
- [Counterparty](https://contracko.com/es/glosario/contraparte)

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## Preguntas frecuentes

Preguntas comunes sobre este término.

- **Q:** Is the main contractor always liable for what a subcontractor does?
  **A:** Towards the principal, yes. The main contractor remains fully liable for performance regardless of who carries out the work. The main contractor may then have a separate claim against the subcontractor for any loss caused.

- **Q:** What is Dutch chain liability (ketenaansprakelijkheid) in practice?
  **A:** Under BW 7:616a and the Tax Collection Act articles 34-35, a principal can be held jointly liable for unpaid wages and payroll taxes owed by subcontractors in the chain. Using a g-rekening (blocked wage tax account) or verified payroll certificates can limit that exposure.

- **Q:** Can a principal prevent a contractor from subcontracting?
  **A:** Yes. A contract clause can prohibit subcontracting entirely, require prior written approval, or allow it only to approved suppliers. Breach of such a clause can give the principal the right to terminate.

- **Q:** What is "flow-down" and why does it matter?
  **A:** Flow-down means passing key obligations from the main contract (safety standards, confidentiality, IP ownership) into each subcontract. Without it, the main contractor may be obliged to the principal on matters the subcontractor is not bound to observe, creating a gap in the chain of performance.

- **Q:** Does a subcontractor have a direct claim against the principal?
  **A:** Generally not under Dutch contract law; the subcontractor's contract is with the main contractor only. Exceptions can arise in specific statutory regimes (e.g., construction subcontractors under BW 7:646) or if the principal has expressly assumed obligations towards the subcontractor.

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