〜てさしあげる

Pattern: 〜てさしあげる
Level: N4
Reading: 〜てさしあげる
Meaning: to do something for someone (of higher status)
Attaches to: Verb (て-form)
Nuance & register: A humble expression used when doing a favor for a superior, though it must be used carefully to avoid sounding patronizing.
Example: 重そうな荷物でしたので、お持ちしてさしあげました。 Since the luggage looked heavy, I carried it for them.
Easily confused with: 〜てあげる