Vendor Management
Structured approach for selecting, governing and evaluating external suppliers with focus on performance, risk and compliance.
Classification
- ComplexityMedium
- Impact areaOrganizational
- Decision typeOrganizational
- Organizational maturityIntermediate
Technical context
Principles & goals
Use cases & scenarios
Compromises
- Loss of knowledge when outsourcing critical functions
- Dependency on single strategic suppliers
- Contract gaps lead to unexpected liabilities
- Segment suppliers by risk and strategic value
- Establish clear escalation and communication channels
- Regular, data-driven performance reviews
I/O & resources
- Performance requirements and target KPIs
- Legal and compliance policies
- Budget and financial framework
- Contracts with SLAs and escalation paths
- Regular performance reports
- Risk and improvement plans
Description
Vendor management is a structured method for selecting, governing and evaluating external suppliers. It establishes roles, contracts, KPIs and communication processes to manage risks, costs and service quality. The goal is sustainable supplier relationships with clear responsibilities, compliance controls and continuous performance improvement.
✔Benefits
- Better control over costs and external provider performance
- Reduced supplier risk through standardized processes
- Improved compliance and traceability
✖Limitations
- Requires organizational effort and governance structures
- Not all suppliers can be measured in a standardized way
- Short-term procurements can incur higher overhead
Trade-offs
Metrics
- SLA compliance rate
Percentage of times the supplier meets defined SLAs.
- Time-to-Resolve
Average time to resolve incidents or outages.
- Cost variance against budget
Difference between planned and actual supplier costs.
Examples & implementations
Outsourced data center operation
Company outsources data center operations to a specialized provider with defined SLAs and escalation paths.
Supplier consolidation for software licenses
Reduction of supplier count to lower cost and complexity while tracking performance.
Managed Security Service Provider (MSSP) partnership
Establishing a long-term partnership including regular security reviews and incident procedures.
Implementation steps
Identify stakeholders and establish governance
Analyze and prioritize supplier portfolio
Create standardized contract and SLA templates
Implement monitoring and reporting processes
Establish regular reviews, audits and improvement cycles
⚠️ Technical debt & bottlenecks
Technical debt
- Lack of system support for supplier KPIs
- Manual reporting processes without automation
- Outdated contract templates without compliance updates
Known bottlenecks
Misuse examples
- Using cost only as decision criterion for strategic selection
- No regular reviews after contract signing
- Missing data protection requirements for cloud suppliers
Typical traps
- Unclear SLA definitions lead to interpretation disputes
- Over-centralization slows operational units
- Hidden costs from handover efforts and integrations
Required skills
Architectural drivers
Constraints
- • Legal and regulatory requirements
- • Budget and approval cycles
- • Data protection and security requirements