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.

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.
Get paid faster with client-preferred payment methods

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.

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.
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.
LEGAL PRACTICE MANAGEMENT RESOURCES
Access CosmoLex‘s free materials on how to elevate your legal practice management.

- What Forms of Payment Do Lawyers Accept?
- Commingling Funds: Understanding the Risks and Legal Implications
- What is a three-way reconciliation?
- What is the difference between an operating retainer and a trust retainer?
- Attorney Billing Increments: Which One Fits Your Firm?
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.





