The Comma integration is priced on a payee basis. Once you have paid a payee, you can make unlimited payments to them for no extra cost. HMRC are not considered a payee and payments to HMRC are therefore always free.
For more information on pricing; please see here
Number of payees | Monthly subscription | Pay as you go |
1 | FREE | FREE |
2 - 10 | £10 per month | £10 per run |
11 - 100 | £22 per month | £22 per run |
101 - 200 | £50 per month | £50 per run |
201 - 300 | £100 per month | £100 per run |
Every additional 100 payees | + £50 per 100 additional payees | + £50 per 100 additional payees |