upsize
verb [ I or T ]
uk/ˌʌpˈsaɪz/ usto change to something larger or greater:
We need to upsize the entire computer system.
upsize to sth Buyers upsizing to a larger house transfer their existing home to a buy-to-let mortgage.
to make a company or organization larger by increasing the number of people working for it:
We are upsizing by 12% over the next two years.
Compare
downsize
upsizing
noun [ U ]
This year saw the successful upsizing of two of our factories.