A business with high service quality will meet or exceed customer expectations whilst remaining economically competitive.[3] Evidence from empirical studies suggests that improved service quality increases profitability and long term economic competitiveness. Improvements to service quality may be achieved by improving operational processes; identifying problems quickly and systematically; establishing valid and reliable service performance measures and measuring customer satisfaction and other performance outcomes..

Our manufactured product is guaranteed, our company that made it promises to repair or change it if a fault develops within 10 years.Guarantee is a legal term more comprehensive and of higher import than either warranty or "security". It most commonly designates a private transaction by means of which one person, to obtain some trust, confidence or credit for another, engages to be answerable for him. It may also designate a treaty through which claims, rights or possessions are secured.

In business, engineering, and manufacturing, quality has a pragmatic interpretation as the non-inferiority or superiority of something; it's also defined as being suitable for its intended purpose (fitness for purpose) while satisfying customer expectations. Quality is a perceptual, conditional, and somewhat subjective attribute and may be understood differently by different people.