The phrase "we will finalise" is correct and usable in written English.
You could use it to indicate that you will finish a process or task. For example: "We will finalise the project by the end of next week."
He added: "We we will finalise the process this week".
"Going into the next election, we will finalise another position.
We will finalise the investigation into the in-flight argument in due course.
"The committee members will meet this week and we will finalise our choice.
"Once this work is completed we will finalise plans for introducing an hourly daytime service," said the spokesman.
We will finalise our interviews and questionnaires based on experience from the pilot interviews.
When we get back to the UK we'll finalise that.
"It's our intention to have some additional players based in Australia to provide cover for the World Cup squad, and we'll finalise those arrangements in the coming weeks".
Reuters reports: "We are staying, probably they will finalise it through the night," she told reporters in Geneva where Lavrov was meeting U.S. Secretary of State John Kerry.
The government has said it will finalise these by next year.
Amnesty International will finalise its new policy on prostitution this month.
