信佳集团管理有限公司是一间名不经传的外判公司，业务包括管理设施、工程项目、信息系统管理、金融、 设计及与建新设施、医院、交通系统及运作。

隧道

• 红磡海底隧道
• 青沙管制区

服务

• 港岛西联网
• 威尔斯亲王医院
• 雅丽氏何妙龄那打素医院
• 大埔医院
• 伊利沙伯医院
• 香港泊车咪表系统

Serco Group plc is a British outsourcing company based in Hook, Hampshire. It operates public and private transport and traffic control, aviation, military weapons, detention centres, call centres, prisons and schools on behalf of its customers. Serco has been involved in a variety of controversies having a history of problems, failures, fatal errors and overcharging.