Hello kingdecoruk,

What format is the data in wave?Are you able to import this inot an excel format? If so you can use the following link

If you select CSV files our data services team can look to migrate the data for you.

Alternatively you can use the import data in the cog in the top right and you can import chart of accounts,bills,invoices,products and services,sales receipts,bank data,credit notes,customer and suppliers in the product.

Any questions let us know.

Emma