Glossary
Service Level Agreement (SLA)
What is a Service Level Agreement (SLA)?
A Service Level Agreement (SLA) is a formal contract or commitment that defines the expected level of service between a provider and a customer. It specifies measurable criteria such as response times, resolution times, availability, and quality standards that the provider agrees to meet.
SLAs are widely used in IT, customer service, and SaaS to set clear expectations and create accountability for service delivery.
Key elements of an SLA
A well-structured SLA typically includes:
- Service scope: A clear description of the services covered and any exclusions.
- Performance metrics: Measurable KPIs such as uptime percentage, average response time, and first-contact resolution rate.
- Responsibilities: The obligations of both the provider and the customer.
- Reporting and review: How performance will be monitored, reported, and reviewed over time.
- Remedies and penalties: What happens if service levels are not met, such as credits, penalties, or escalation procedures.
Why SLAs matter
SLAs serve several important functions for both parties:
- Set clear expectations Both provider and customer know exactly what "good service" means, reducing misunderstandings and disputes.
- Drive accountability Measurable targets ensure the provider is held accountable for performance, and the customer knows what they are entitled to.
- Enable continuous improvement Regular review of SLA performance helps identify trends, areas for improvement, and opportunities to raise the bar. This connects to feedback loop principles.
- Support customer satisfaction Consistent service delivery against SLA commitments builds trust and contributes to higher CSAT and customer loyalty.
SLAs in customer experience strategy
SLAs are not just legal documents — they are a key part of the customer experience strategy. Organisations that consistently meet or exceed their SLAs build stronger relationships, reduce churn, and differentiate themselves in competitive markets.