In the past few years, we have covered plenty of cool finance and accounting WordPress themes and plugins here. Money Manager for WordPress is also worth a look. It is a multi-currency plugin that lets you manage your personal or small business finances. It lets you manage your income and expenses and keep an eye on your cashflow.
Money Manager comes with WooCommerce integration. It is ready for double entry bookkeeping. You can use this to manage an unlimited number of bank accounts. With CSV import functionality, you will have an easier time putting this plugin to good use.