I want to start a subscription based service for the service I provide. Does Quickbooks have the capability to assist with a subscription based service?

You can utilize the recurring transactions feature to run your business

https://quickbooks.intuit.com/learn-support/en-us/help-article/recurring-transactions/create-recurring-transactions-quickbooks-online/L3WoKX2R8_US_en_US?uid=l0vr73sh

But if you need more specific features to run a SaaS business, consider having a 3rd party app to integrate with your QBO. You don't have to manually bill and send invoices anymore. The app automates billing and sends tax-compliant invoices on your behalf, set up billing frequencies and cycles, automate proration, and securely store customer credit card information.

https://quickbooks.grsm.io/US

https://quickbooks.grsm.io/us-promo