Law Firm Payment Processing

One-Step Checkout. Get Paid Faster.

Accept ACH, credit cards, and digital wallets, all in one streamlined checkout, with funds in your account the next business day.


CosmoLex payments interface displaying transaction details.

Why law firms choose CosmoLex Pay for payment processing

CosmoLex Pay is built for the legal industry. By combining payments, billing, and accounting under one system, firms eliminate manual reconciliation, reduce administrative work, and maintain client trust account compliance.

Fully integrated payments

Payments connect directly to your billing and accounting workflows for instant tracking, automatic reconciliation, and built-in trust accounting compliance.

A payment experience clients actually like

Clients can pay by credit card, ACH, or digital wallet, or choose to pay over time, all from their invoice with a fast, one-step checkout.

Trust accounting compliance

Keep client funds secure and separate, with automatic safeguards built into the system and full compliance with legal trust accounting standards.

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Convenient & Efficient Payments Processing

Worry less about the payments process with CosmoLex Pay.

Take the stress out of collections and speed up your firm’s cash cycle with built-in payment automation. Firms that adopt online payment processing experience up to a 46% increase in paid invoices within the first 60 days.*
Payments Workflow Management
Retainer Replenishments
Payment Reminders
Credit Card Processing
Comprehensive Invoice Payment Management
payments icon

Payment Workflow Management, Simplified

Manage your entire payment cycle.

  • Accept credit card, debit card, ACH, and digital wallet payments, including Apple Pay and Google Pay, directly from your legal billing software.
  • Offer clients flexible payment options, including buy now, pay later, with your firm paid in full immediately.
  • Automatically sync transactions across your billing and accounting systems for seamless reconciliation, with no manual data entry and full compliance with legal trust accounting standards.
Steady Retainer Replenishment
Workflow Automation icon

Retainers That Replenish Themselves

Keep retainers consistent and compliant.

  • Include automatic replenishment amounts in each bill and notify clients when their retainer reaches a preset minimum.
  • Protect your trust accounts with automatic tracking and three-way reconciliation.
  • Let clients save a payment method so retainer replenishments can process automatically, with no manual follow-up required.
Eliminate Chasing Clients

Get Paid Without the Follow-Up

Automate payment follow-ups and spend less time on collections.

  • Schedule reminders for overdue invoices and send them automatically by email or text message.
  • Let clients pay instantly through the secure client portal, using the payment method that works best for them.
  • Offer payment flexibility while maintaining consistent cash flow.
Credit Card Processing
payments icon

Straightforward Credit Card Processing

Accept credit cards, ACH, and digital wallets, all in one place.

  • No plugins, redirects, or external accounts required, with a streamlined one-step checkout for a faster payment experience.
  • Process Visa, Mastercard, Amex, and Discover, plus ACH, Apple Pay, and Google Pay, securely within CosmoLex Pay.
  • Enjoy full PCI compliance and automated reconciliation with every transaction.
Comprehensive Invoice Payment Management
payments icon

Payment Workflow Management, Simplified

Manage your entire payment cycle.

  • Accept credit card, debit card, ACH, and digital wallet payments, including Apple Pay and Google Pay, directly from your legal billing software.
  • Offer clients flexible payment options, including buy now, pay later, with your firm paid in full immediately.
  • Automatically sync transactions across your billing and accounting systems for seamless reconciliation, with no manual data entry and full compliance with legal trust accounting standards.
Steady Retainer Replenishment
Workflow Automation icon

Retainers That Replenish Themselves

Keep retainers consistent and compliant.

  • Include automatic replenishment amounts in each bill and notify clients when their retainer reaches a preset minimum.
  • Protect your trust accounts with automatic tracking and three-way reconciliation.
  • Let clients save a payment method so retainer replenishments can process automatically, with no manual follow-up required.
Eliminate Chasing Clients

Get Paid Without the Follow-Up

Automate payment follow-ups and spend less time on collections.

  • Schedule reminders for overdue invoices and send them automatically by email or text message.
  • Let clients pay instantly through the secure client portal, using the payment method that works best for them.
  • Offer payment flexibility while maintaining consistent cash flow.
Credit Card Processing
payments icon

Straightforward Credit Card Processing

Accept credit cards, ACH, and digital wallets, all in one place.

  • No plugins, redirects, or external accounts required, with a streamlined one-step checkout for a faster payment experience.
  • Process Visa, Mastercard, Amex, and Discover, plus ACH, Apple Pay, and Google Pay, securely within CosmoLex Pay.
  • Enjoy full PCI compliance and automated reconciliation with every transaction.
Comprehensive Invoice Payment Management
payments icon

Payment Workflow Management, Simplified

Manage your entire payment cycle.

  • Accept credit card, debit card, ACH, and digital wallet payments, including Apple Pay and Google Pay, directly from your legal billing software.
  • Offer clients flexible payment options, including buy now, pay later, with your firm paid in full immediately.
  • Automatically sync transactions across your billing and accounting systems for seamless reconciliation, with no manual data entry and full compliance with legal trust accounting standards.
Steady Retainer Replenishment
Workflow Automation icon

Retainers That Replenish Themselves

Keep retainers consistent and compliant.

  • Include automatic replenishment amounts in each bill and notify clients when their retainer reaches a preset minimum.
  • Protect your trust accounts with automatic tracking and three-way reconciliation.
  • Let clients save a payment method so retainer replenishments can process automatically, with no manual follow-up required.
Eliminate Chasing Clients

Get Paid Without the Follow-Up

Automate payment follow-ups and spend less time on collections.

  • Schedule reminders for overdue invoices and send them automatically by email or text message.
  • Let clients pay instantly through the secure client portal, using the payment method that works best for them.
  • Offer payment flexibility while maintaining consistent cash flow.
Credit Card Processing
payments icon

Straightforward Credit Card Processing

Accept credit cards, ACH, and digital wallets, all in one place.

  • No plugins, redirects, or external accounts required, with a streamlined one-step checkout for a faster payment experience.
  • Process Visa, Mastercard, Amex, and Discover, plus ACH, Apple Pay, and Google Pay, securely within CosmoLex Pay.
  • Enjoy full PCI compliance and automated reconciliation with every transaction.
Comprehensive Invoice Payment Management
payments icon

Payment Workflow Management, Simplified

Manage your entire payment cycle.

  • Accept credit card, debit card, ACH, and digital wallet payments, including Apple Pay and Google Pay, directly from your legal billing software.
  • Offer clients flexible payment options, including buy now, pay later, with your firm paid in full immediately.
  • Automatically sync transactions across your billing and accounting systems for seamless reconciliation, with no manual data entry and full compliance with legal trust accounting standards.
Steady Retainer Replenishment
Workflow Automation icon

Retainers That Replenish Themselves

Keep retainers consistent and compliant.

  • Include automatic replenishment amounts in each bill and notify clients when their retainer reaches a preset minimum.
  • Protect your trust accounts with automatic tracking and three-way reconciliation.
  • Let clients save a payment method so retainer replenishments can process automatically, with no manual follow-up required.
Eliminate Chasing Clients

Get Paid Without the Follow-Up

Automate payment follow-ups and spend less time on collections.

  • Schedule reminders for overdue invoices and send them automatically by email or text message.
  • Let clients pay instantly through the secure client portal, using the payment method that works best for them.
  • Offer payment flexibility while maintaining consistent cash flow.
Credit Card Processing
payments icon

Straightforward Credit Card Processing

Accept credit cards, ACH, and digital wallets, all in one place.

  • No plugins, redirects, or external accounts required, with a streamlined one-step checkout for a faster payment experience.
  • Process Visa, Mastercard, Amex, and Discover, plus ACH, Apple Pay, and Google Pay, securely within CosmoLex Pay.
  • Enjoy full PCI compliance and automated reconciliation with every transaction.

Get paid faster with client-preferred payment methods

CosmoLex Pay integrates every payment option your clients already use, helping your firm reduce payment delays and improve revenue predictability.
Major Credit Cards and PAD

Accept digital wallets, ACH, and all major cards

  • Offer multiple payment channels without additional setup or third-party gateways.
  • Let clients pay their way with Apple Pay, Google Pay, ACH bank transfers, or a card, all from a single, streamlined checkout.
  • Accept Visa, Mastercard, Amex, and Discover, with fraud protection and dispute support built in.
Online Payments

Clients pay later. You get paid now

  • Enable Affirm’s Buy Now, Pay Later option to let clients split payments into manageable installments.
  • Receive full payment immediately, with no extra cost to your firm.
  • Payments are protected by industry-standard security and verified instantly.
Using CosmoLex has been awesome. Being able to keep track of my time with the timer, bulk entry of timeslips, ease of sending out invoices, invoices with a link to pay electronically, inclusion of LawPay as a part of the subscription, are all wonderful parts of the experience.
William C. 
Principal
I finally chose CosmoLex because of its accounting functions and the LawPay integration.
Joshua D.
Founding Attorney
CosmoLex has also helped us reduce the human resources required to post, invoice and track client payments. I highly recommend this product to any law firm.
Patrick C.
Partner
I like that you can handle your everyday office accounting in the same program as your trust accounting. There is no need for a separate program.
Jennifer K.
Verified CosmoLex User
USA

Payments work better connected to everything else.

Every payment flows straight into your billing, accounting, and trust records, no manual follow-up, no re-entry.

Practice management

Payments post directly to the matter, so balances update instantly and nothing needs to be reconciled by hand.

Calendars and tasks

Retainer replenishments and payment reminders are scheduled automatically, so nothing waits on a manual follow-up.

Workflow automation

A completed payment can trigger the next step in your process, from invoice updates to client notifications, without anyone lifting a finger.

Secure client portal

The same portal your clients use for intake and documents is where they pay, view balances, and manage payment methods.

Document management

Payment receipts and records attach automatically to the matter, so everything stays organized and easy to find.

Time & expense tracking

Tracked time and expenses flow straight into the invoice, so what clients are billed for is exactly what your firm recorded.

  • Bank-grade security, SOC 2 Type 2 certified.
  • One connected practice management platform.
  • Try free. No credit card required.

Frequently asked questions.

What is law firm payment processing software?

Law firm payment processing software allows firms to accept and track client payments securely while staying compliant with trust accounting regulations. With CosmoLex Pay, you can process credit cards, ACH, PayPal, or Venmo directly within your practice management system, keeping billing and accounting perfectly synchronized.

Why is CosmoLex Pay ideal for law firms?

CosmoLex Pay is designed specifically for legal professionals. It ensures trust compliance, simplifies reconciliation, and provides modern payment options that enhance the client experience while helping firms collect revenue faster.

What is CosmoLex Pay?

CosmoLex Pay is CosmoLex’s integrated payment solution. It lets firms process all payments securely, automate reconciliation, and manage client trust funds with full compliance. By removing third-party dependencies, it saves time and reduces errors.

Can my clients pay by credit card?

Yes. Clients can pay instantly using credit card, debit card, ACH, or PayPal through the secure client portal. Credit card acceptance increases convenience and improves on-time payments.

Why does my firm need a legal-specific payment system?

Generic processors can mix trust and operating funds, creating compliance risks. CosmoLex Pay enforces fund separation automatically, aligning with IOLTA and other legal requirements to keep your firm compliant and audit-ready.

What billing and invoicing features does CosmoLex provide?

CosmoLex includes legal billing software that automates time capture, invoice generation, and payment tracking. Clients can pay directly from email or portal links, reducing friction and improving cash flow.

How does CosmoLex Pay compare to other law firm payment processors?

Unlike standalone processors, CosmoLex Pay is embedded into the law practice management platform. Every payment updates billing and accounting instantly, eliminating double entry and manual reconciliation.

Is CosmoLex Pay PCI compliant?

Yes. CosmoLex Pay adheres to PCI DSS standards, ensuring every transaction is encrypted, tokenized, and processed securely. Your clients’ financial data stays fully protected.

Simplify your practice with one tool.

Book a demo.

Book a personalized demo with a CosmoLex specialist and see the platform in action.

Try for free.

No wait. No credit card. Just click to try CosmoLex for 10 days.

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CosmoLex is cloud-based law practice management software that integrates trust & business accounting, time tracking, billing, email & document management, and tasks & calendaring, in a single application.
+1 866-878-6798
1555 Palm Beach Lakes Blvd, Ste 220 West Palm Beach, FL 33401
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CosmoLex is part of ProfitSolv, a collection of best-in-class software solutions for professional services firms, allowing the freedom for growth and innovation. Using a product-centric and customer-first approach, ProfitSolv collaborates with firms to offer better client services.

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