Procurement Glossary
Retention: Definition, application, and strategic importance in Procurement
November 19, 2025
Retention is an important tool in procurement management, whereby part of the agreed payment is temporarily withheld. This practice serves to minimize risk and ensure quality in supplier relationships. Read on to find out exactly what retention means, which methods are used, and how current developments are affecting procurement strategy.
Key Facts
- Withholding reduces the risk of payment default by temporarily withholding partial amounts.
- Typical retention rates range between 5-15% of the contract amount.
- The legal basis is formed by contractual agreements or statutory provisions.
- Release occurs after successful project completion or end of warranty period
- Digital solutions are increasingly automating withholding and release processes
Contents
Definition: Retention
Retention refers to the contractual or legal withholding of part of the payment owed by the client.
Basic features of the withholding
Retention acts as a security instrument in the procurement process. Defined percentages of the invoice amount are retained until certain conditions are met.
- Temporary payment restraint to minimize risk
- Contractual stipulation of retention rates and release conditions
- Legal protection in the event of defective performance or delay
Withholding vs. other forms of payment
In contrast to advance payment or down payment, retention involves payment after service provision, but not in full.
Significance of retention in Procurement
Strategically, retention enables better control over supplier performance and reduces financial risks. It supports the enforcement of quality standards and contract compliance in complex procurement projects.
Methods and procedures
The implementation of withholding regulations requires structured approaches and clear process definitions.
Contract drafting and retention conditions
Successful retention agreements are based on precise contractual provisions. The amount of the retention is based on the project risk and the supplier's history.
- Definition of retention rates between 5-15% of the order amount
- Definition of specific release conditions and milestones
- Integration into payment plans and billing cycles
Process management and monitoring
Systematic monitoring ensures that withholding procedures are handled properly. Digital tools support the automation of recurring checks.
Approval and payment procedures
Structured approval processes minimize delays and disputes. Combining them with bank guarantees can provide additional security.

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Important KPIs for retention
Key figures enable the systematic evaluation and optimization of retention strategies in procurement management.
Financial performance indicators
The amount of retained funds and their development illustrate the financial dimension of risk management. Average retention periods and release rates measure the efficiency of the processes.
- Retention volume as a percentage of total purchase volume
- Average retention period in days
- Percentage of early releases due to supplier performance
Process quality and compliance
Prompt release after conditions are met and low dispute rates indicate well-functioning withholding processes. Integration with accounts payable cycle optimization improves overall efficiency.
Supplier relationship metrics
Measuring the impact on supplier satisfaction and contract compliance strikes a balance between risk minimization and cooperative partnership.
Risks, dependencies and countermeasures
Withholding procedures involve specific risks that can be minimized by taking appropriate measures.
Liquidity risks for suppliers
Retentions can strain suppliers' liquidity and lead to financing problems. Smaller companies in particular are affected by delayed payments.
- Cash flow problems due to withheld payments
- Increased financing costs for suppliers
- Potential impact on supplier relationships
Legal and contractual risks
Unclear retention agreements can lead to legal disputes. Combining them with netting procedures requires particular legal care.
Operational management risks
Manual withholding processes are error-prone and time-consuming. Lack of integration with existing account statement reconciliation systems can lead to inconsistencies.
Practical example
A mechanical engineering company implements a 10% retention on a €500,000 plant project. After successful commissioning and a 30-day test phase, €40,000 is released, with the remaining €10,000 released after the six-month warranty period has expired. Integration into the factoring system allows the supplier to generate liquidity ahead of schedule if necessary.
- Clear milestone definition reduces disputes
- Staggered release minimizes risks for both parties
- Digital monitoring automates approval processes
Current developments and effects
Digitization and regulatory changes are shaping the further development of retention procedures in modern procurement management.
Digital automation of withholding processes
AI-powered systems are revolutionizing the management of retention payments through automated monitoring and release processes. Machine learning analyzes supplier performance and dynamically optimizes retention rates.
- Automatic calculation and management of deductions
- AI-based risk assessment for individual withholding rates
- Integration into supply chain finance platforms
Regulatory developments
New legal provisions are influencing the design of withholding agreements. Compliance requirements demand increased documentation and transparency.
Integration into modern financing concepts
Retentions are increasingly being combined with innovative financing solutions such as reverse factoring to avoid liquidity bottlenecks for suppliers.
Conclusion
Retention remains a proven tool for minimizing risk in procurement management, but requires balanced contract design. Digital automation and integration into modern financing concepts significantly increase efficiency. Successful implementation balances risk protection with cooperative supplier relationships and takes into account the liquidity needs of all parties involved.
FAQ
What is the difference between withholding and security deposit?
A retention is withheld from the payment owed, while security deposits are provided in addition to the order value. Both serve to minimize risk, but differ in terms of the financial burden on the supplier.
What would be an appropriate amount to withhold?
Typical retention rates range between 5-15% of the order value, depending on project risk, supplier history, and industry standards. Higher rates may be justified for critical projects or new suppliers.
When must retained amounts be released?
Approval is granted once contractually defined conditions have been met, such as successful acceptance, expiry of warranty periods, or achievement of agreed milestones. Clear criteria prevent delays and disputes.
Can suppliers charge interest on amounts withheld?
Interest claims depend on the contractual agreement. Without explicit provisions, interest obligations usually do not arise. Modern payment terms increasingly take into account fair interest provisions for both parties.



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