- Pay My Bill
Pay My Bill
Trout CPA uses Aiwyn, a secure online payment portal, to make paying your invoices fast, easy, and convenient. Pay your invoice(s) by ACH (e-check) with no additional processing fee or by credit card with a 3% processing fee.
Click the button below to create or manage your account. Can't log in? Make a payment without signing in.
Trout's Online Payment Portal Sign Up for Paperless Invoicing
Trout's Online Payment Portal Features
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Pay invoices with one click directly from an invoice or statement email.
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View all unpaid invoices in one place and pay multiple invoices at once.
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Pay by ACH bank transfer or credit card.
A 3% processing fee will be applied to all credit card transactions.
Debit Cards are not accepted.
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By creating an account, you can save payment methods and set up automatic payments for convenience.
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Pay securely from your computer or mobile device.
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Receive an emailed receipt after your payment is processed.
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Access help articles, live chat, and email support.
Quick Links & Payment Resources
Manage Payments
Help & Support
- Aiwyn Help Center
- Contact Trout CPA's Accounts Receivable Department at 717-569-2900 or payments@troutcpa.com.
Billing Email Best Practice
Consider using a shared billing email address, such as ap@yourcompany.com or accounting@yourcompany.com, for invoices and statements. This can help prevent missed communications, keep billing information accessible to the right team members, and simplify updates when staffing changes. To update your billing email, contact payments@troutcpa.com.
Now Offering Paperless Invoicing
Faster. Easier. Greener.
Trout CPA is pleased to offer convenient paperless invoicing. Sign up today and your invoices will be delivered to your email.
Have multiple entities with different billing contacts?
Please complete this form for each primary billing contact and list all entities in the Company/Name field.
For questions or assistance, please email payments@troutcpa.com.
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Important Note: When creating an account, the email address you use will need to match the email address provided when you signed up for Paperless Invoicing
From the payment portal webpage, select Create an Account and enter your email address, first and last name, and a password. You may also be asked to verify your email address and provide your client number and an invoice number.
Once your account is created, you can save payment methods, set up recurring payments, view payment history, and link multiple client accounts.
For detailed instructions, visit Create New User Account in the Aiwyn Client Help Center.
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No, you can make a payment without signing in.
Creating an account does give you access to additional features, such as saving payment methods, setting up recurring payments, viewing payment history, and linking multiple client accounts.
For step-by-step instructions, visit the Create New User Account article in the Aiwyn Client Help Center.
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Complete our Paperless Invoicing Sign-Up Form to receive future invoices and statements electronically.
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For questions about your payments or using the Trout CPA Online Payment Portal, please contact our Accounts Receivable Department at 717-569-2900 or email payments@troutcpa.com with any questions.
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If you plan to pay by ACH bank transfer, there is one quick step that may help prevent payment issues.
If your bank uses ACH debit blocks or Positive Pay, which are common for business checking accounts, please contact your bank and ask them to authorize the following ACH Company IDs before adding your bank account to the portal:
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4270465600 — Stripe Payments Company
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1800948598 — Stripe Payments Company
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1810887694 — PayNow (Stripe)
If you are unsure whether your account has an ACH block, your bank’s commercial banking or treasury team can confirm. Authorizing these IDs in advance can help ensure your bank account is added successfully and payments are processed without interruption.
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Log in to the Trout CPA Online Payment Portal and go to Settings > Recurring Payments. From there, select New Recurring Payment to choose the payment amount, frequency, dates, and payment method.
A user account and saved payment method are required to set up recurring payments.
For additional step-by-step instructions, visit Set up a Recurring Payment – Client Help Center.
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You can make a payment in either of these ways:
- If you receive invoices electronically from Trout CPA, click the Pay Invoice button in your invoice or statement email. You’ll be taken directly to the payment portal with your invoice information ready to view.
- Visit the Trout CPA Online Payment Portal to view and pay your invoices.
For additional payment instructions and help articles, visit the Payments – Client Help Center.