Very polite ます-form corresponding largely to あります, used for the existence or location of things, services, information, etc. In 〜でございます, it functions as a very polite 'is/are.'
See also: ござる
お手洗いは二階にございます。
The restroom is on the second floor.
These are today's materials.
auxiliary verb
be doing; be in a state of having done
Highly formal auxiliary after the て-form of a verb, especially in service or official language. Often appears as 〜してございます for something prepared, arranged, displayed, or otherwise put into a state by the speaker's side.
The products are displayed on the first floor.
auxiliary verb
did; have done
Dated auxiliary use in the form 〜ましてございます. Modern Japanese normally uses forms such as 〜ました or other polite expressions instead.
In older polite writing, forms such as 'I have just arrived' with 参りましてございます were used.