More time to trial OAK!

We have now increased the trial period from 15 days to 30 days!

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Trusted by institutions Worldwide

Thousands of investment banking, private equity, corporate finance, accounting, consulting, and wealth management professionals use the spreadsheet software OAK daily to save time in Excel.


The only Excel Add In you need

Our Excel Tool OAK was made to assist you through your entire spreadsheet journey. With tools developed specifically for:

  1. Building spreadsheets
  2. Reviewing spreadsheets
  3. Auditing spreadsheets

Award-winning software

Winner of Lifetime Achievement Award at The Financial Modelling Innovation Awards 2020. Recognising the continued excellence and innovation OAK brings to the spreadsheet tool market.

Do more and save time with these spreadsheet tools