をもって

をもって
expression
with; by means of; as of
formalbusinessexpression
1. with; by means of
Formal expression indicating means or method.
We will respond with sincerity.
With this document, the application will be complete.
I will tackle it with all my effort.
2. as of; effective from
Indicates a specific time when something takes effect.
As of today, we will be closing the store.
三月末(さんがつまつ)をもって退職(たいしょく)いたします
I will be retiring as of the end of March.
As of this performance, we will be suspending our activities.

Common patterns

Noun + をもって

Sense distinctions

1. Means/method: 誠意(せいい)をもって (with sincerity), 全力(ぜんりょく)をもって (with full effort)
2. Time point: 本日(ほんじつ)をもって (as of today), 今月末(こんげつまつ)をもって (as of month end)

Register

Very formal. Common in official announcements, business documents, and formal speeches.

Forms