Integrate Square with HubSpot
Create invoices from HubSpot, get paid with Square. Invoice Stack gives you a seamless quote-to-cash process without changing your existing stack
5.0 on HubSpot Marketplace
Certified by HubSpot
Seamless integration with your existing stack
Use your apps as normal. Sync invoice and payment data between platforms.
Support for multiple payment types
Whether you’re using deposits, split payments, recurring payments or more, we’ve got you covered.
Integrate Square, 0% platform fees
Make big savings by integrating Square or shop around for a better rate
How it works
Close deals
Trigger invoice creation when deals close, or use the App Card.
Create invoices
Invoice Stack creates native invoices in your accounting platform.
Approve and send
Invoice Stack sends approved invoices with a branded template.
Get paid
Customers view invoices and pay via Square
Sync data
Payment data automatically syncs back to your accounting platform and HubSpot.
Why pay with Square?
Square combines online payments with in-person payment tools, helping businesses manage both through one provider. Accept major credit and debit cards online, with card-on-file support for future payments. ACH bank payments are available to eligible US sellers.
Square processes payments for sellers in the US, UK, Canada, Australia, Japan, France, Ireland and Spain. Supported cards and payment methods depend on the seller’s country, while customers can pay with supported cards issued internationally.
That combination makes Square a useful choice for retailers, appointment-based businesses and service companies that sell both online and face to face. Invoice Stack connects your HubSpot invoicing workflow to Square, alongside the tools you already use.
Explore Square paymentsCustomer portal
Deliver a great customer experience with your very own customer portal.
The customer portal lists all the customer’s invoices, along with payment instructions and your payment provider built in.
Style it with your own branding and logo. Choose an example below:
Payment Features
Invoice reminders
Prompt overdue customers with custom schedules and copy
Payment surcharges
Offer card payments without the additional costs
Auto-pay future invoices
Save payment details securely and bill future or recurring charges automatically
Automated invoice sending
Send branded emails for any approved invoice
Email tracking
Track opens, clicks and bounces, right inside HubSpot
ACH or Direct Debit
Offer multiple payment options to your customers
Tax calculations
Uses your accounting platform's tax settings for seamless reconciliation.
Get your quote-to-cash
workflow working for you.
See how Invoice Stack fits your existing stack.
Why people choose us
Trusted App
HubSpot Leading Technology Partner
600k invoices
In the marketplace since 2020
Support that cares, from real humans
No AI chatbots, just real people.
Easy setup and onboarding
Plus support when you need it
We are a small team with a rapidly growing SaaS business, and we need all the automation we can get. Invoice Stack is just what the doctor ordered - provides seamless integration from our HubSpot quotes directly into Xero invoices.
We now can see live invoice status directly on each deal!
It has made invoicing so much easier. This was a better alternative than the Xero owned invoicing App. Would recommend it for any business. I love that all tracking and personalisation are done in HubSpot saving the double handling of invoices.
Really stoked to have found an app that builds the bridge from HubSpot - Xero - A well considered app that honestly has taken hours off admin time making our sales team sell with no friction.
Utterly fantastic invoicing solution if you're using QuickBooks. We use this in conjunction with invoices/line items generated in PandaDoc and synced to HubSpot, and it works great.
Makes the process more efficient, less re-keying, fewer errors. Direct 1-1 support very helpful too.
It's done everything we need it to do - the personal support from Harry who heads up the business has been greatly appreciated too.
Six months on, and it has been smooth-sailing for our Finance team and the quote-to-invoice process has never been this streamlined.
Literally the best plug-in for HubSpot to Xero invoicing! Everything is clean and immediate, automatically allocates the quoted items into invoices - amazing design and easy to use.
Get your quote-to-cash
workflow working for you.
See how Invoice Stack fits your existing stack.