Stop rebuilding the same spreadsheet every quarter.
GridCub makes ready-to-use Excel workbooks for invoicing, bookkeeping and inventory. Open the file, enter your numbers, and you have a working system — no subscription, no setup, no software to learn.
See the templates How delivery worksThree ways to start
Every file is built in standard Excel (.xlsx) and opens in Google Sheets and LibreOffice. Formulas are unlocked, so you can change anything.
Invoice & Quote Pack
For freelancers and service businesses
- Six-sheet workbook: invoice, quote, receipt
- Automatic totals, tax and due dates
- Client list and reusable item library
- No macros, nothing to install
Small Business Bookkeeping Kit
For owner-operated shops and studios
- Cash flow, profit & loss, invoice ledger
- Six sheets in one file, one chart of accounts
- Dashboard sums the year automatically
- Setup steps on the first sheet
Complete Business Ops Bundle
Everything, plus inventory
- Nine sheets: both kits plus stock and contacts
- Inventory with reorder points and stock value
- Supplier and customer registers
- Free updates to every file, for life
Buy, download, start using it in five minutes
Checkout is handled by our merchant of record. Card details never touch our servers, and sales tax is calculated automatically for your location.
A download link is sent to the email address you use at checkout. You get one .xlsx workbook with a “How to use” sheet — no account to create, no app to install.
Open in Excel 2016 or later, Microsoft 365, Google Sheets or LibreOffice. Instructions are on the first sheet of every workbook.
What these files are, and what they are not
They are
- Working spreadsheets with live formulas you can edit
- Built for one business owner, not for a finance team
- Delivered instantly, with no recurring fee
They are not
- Accounting software, and they do not file your taxes
- Custom-built for your business — you adjust the categories
- A subscription, so there is nothing to cancel later