8 Jan 2026

Types of Guarantees Required in Public Procurement

Guarantees required in public procurement are instruments designed to ensure that contractors fulfill their contractual obligations according to the terms agreed upon.

These guarantees are commonly used in construction projects, the supply of goods or services, and other agreements where the contractor assumes specific commitments.

They are imposed on awardees and, depending on the tender, also on bidders with the aim of mitigating risks and ensuring the proper execution of contractual processes.

In this article, we will take a detailed look at what these guarantees entail and the various types of technical guarantees, focusing particularly on contracts involving public sector entities.

Guarantees in Public Procurement

Guarantees required in public procurement are essential elements that play an integral role in the management of government projects and contracts. Their importance lies in their ability to provide multiple layers of protection and accountability throughout the entire contractual cycle from the bidding phase to contract execution.

They function as a risk management mechanism, providing contracting authorities with financial backing in case the contractor fails to fulfill their obligations. This reduces exposure to financial risk and protects public interests.

Requiring guarantees during the bidding phase promotes competition and ensures the seriousness of the bidders. Bidders must demonstrate financial commitment by presenting guarantees, filtering out proposals that are not genuine or that lack the necessary stability to complete the project.

Furthermore, required guarantees represent transparency in public procurement, offering all involved parties bidders included the confidence that safeguards are in place to ensure proper contract execution. This contributes to trust in the integrity and fairness of the awarding process.

Types of Required Guarantees

In the case of public administrations, technical guarantees may take four forms: cash, bank guarantee, surety bond (insurance), or public debt. Each is designed to meet different needs and contexts.

The choice depends on the nature of the transaction, the relationship between the parties, and the applicable legal and regulatory framework. It is also worth noting that these guarantees can be combined or tailored to meet the specific requirements of the contracting parties.

Guarantees in Contracts with Public Administrations

In public procurement, guarantees are generally classified into two main categories: bid bonds (provisional) and performance bonds (definitive).

Bid guarantees are required from bidders to safeguard the integrity of submitted bids until the contract is awarded or formalized. This requirement is exceptional and must be justified by public interest or as outlined in the procurement documents.

Once the contract is formalized, the bid guarantee is automatically released. In the case of a winning bidder who provides a performance guarantee, the bid guarantee is returned. The awardee can either apply the bid bond amount to the performance bond or provide a new definitive guarantee.

Performance guarantees, on the other hand, are intended to ensure the fulfillment of the contractor’s final obligations under the main contract.

The performance guarantee must be provided within 10 working days from the date the contracting authority issues the request. Proof of this guarantee may be submitted through electronic or digital means.

If penalties or compensation are applied to the contractor, they must be replenished or extended within the performance bond within 15 days of enforcement. Failure to comply may result in contract termination. These provisions create a clear framework for ensuring compliance and contract integrity in public procurement.

Guarantees in Other Public Sector Contracts

This classification applies to contracts signed by public sector entities that do not qualify as Public Administrations. In general, the same rules apply regarding provisional and performance guarantees, including their financial limits.

The primary purpose of these guarantees is to secure the integrity and fulfillment of bids up to the point of contract award, as well as to ensure the proper execution of the awarded services or works.

The rules governing both types of guarantees provisional and definitive follow the general legal principles applicable to contracts signed by public sector entities. Therefore, even if not formally part of the Administration, these entities must adhere to regulations promoting transparency, fairness, and efficiency in public contracting.

Types of Guarantees and Deposits

Guarantees and deposits are essential elements in the financial sphere, providing security and assurance in a wide range of transactions. The main types of guarantees include:

Cash

This is the most straightforward and liquid form of guarantee. It involves providing cash funds as backing for an agreement or obligation. This type of guarantee is valued for its immediacy and simplicity, as the funds are readily available.

Bank Guarantees

These are commitments made by a financial institution on behalf of a client, assuring a third party that obligations will be fulfilled. They provide trust and assurance to all parties involved.

Public Debt

This includes instruments such as government bonds and treasury bills, which are secure forms of investment and can also be used as guarantees. Their government backing offers market stability and reliability.

Surety Bonds (Insurance)

These are insurance contracts that guarantee the fulfillment of an obligation, reimbursing the beneficiary in case the principal (policyholder) fails to comply. Surety bonds offer an additional layer of financial protection where contractual performance is required.

Related article: Uses and applications of surety bonds: a multisectoral guarantee

Surety Bonds, the Best Type of Required Guarantee

This type of insurance supports specific contractual obligations. For example, it may be required in public tenders to guarantee compliance with certain obligations, such as the supply of goods or the provision of services.

In contrast to a bank guarantee, a surety bond stands out as a unique form of security, as it does not tie up financial resources and is not recorded in the Bank Report Risk, meaning it does not increase a company’s banking risk.

This feature translates into greater flexibility and opens the door to accessing other financial products such as loans, credit facilities, bill discounting, among others.

Sammy Free’s advisory services go beyond selecting the most suitable surety bond; they encompass the full management of the process. From risk assessment to implementation and ongoing monitoring, we ensure that our clients are supported at every stage.

Ultimately, under the guidance of Sammy Free, surety bonds become a strategic tool that not only protects the parties involved but also fosters trust and efficiency within the complex framework of financial and commercial transactions.

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