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ONLINE PAYMENT SYSTEM FOR LAW FIRMS

Better serve your law firm’s clients with the payment processing options they want.

Your clients expect convenience. CosmoLexPay delivers secure, flexible ways to pay, like credit cards, debit cards, ACH, PayPal, and Venmo, all while maintaining compliance with legal trust accounting rules. Increase client satisfaction and improve your firm’s cash flow with a streamlined, integrated payment experience.

CosmoLex payments interface displaying transaction details.
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Convenient & Efficient Payments Processing

Worry less about the payments process with CosmoLexPay. 

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
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Comprehensive Invoice Payment Workflow Management

Manage your entire payment cycle.

  • Process credit card, debit card, ACH, PayPal, and Venmo payments directly from your legal billing software.
  • Automatically sync transactions across your billing and accounting systems for seamless reconciliation.
  • Eliminate manual data entry while maintaining compliance with legal trust accounting standards.
Steady Retainer Replenishment
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Steady Retainer Replenishment

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.
  • Protect your trust accounts with automatic tracking and three-way reconciliation.
Eliminate Chasing Clients

Eliminate Chasing Clients with Payment Reminders

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.
  • Offer payment flexibility while maintaining consistent cash flow.
Credit Card Processing
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Straightforward Credit Card Processing

Accept all major credit cards and ACH payments in one place.

  • No plugins, redirects, or external accounts required.
  • Process Visa, Mastercard, Amex, and Discover securely within CosmoLexPay.
  • Enjoy full PCI compliance and automated reconciliation with every transaction.
Comprehensive Invoice Payment Management
payments icon

Comprehensive Invoice Payment Workflow Management

Manage your entire payment cycle.

  • Process credit card, debit card, ACH, PayPal, and Venmo payments directly from your legal billing software.
  • Automatically sync transactions across your billing and accounting systems for seamless reconciliation.
  • Eliminate manual data entry while maintaining compliance with legal trust accounting standards.
Steady Retainer Replenishment
Workflow Automation icon

Steady Retainer Replenishment

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.
  • Protect your trust accounts with automatic tracking and three-way reconciliation.
Eliminate Chasing Clients

Eliminate Chasing Clients with Payment Reminders

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.
  • Offer payment flexibility while maintaining consistent cash flow.
Credit Card Processing
payments icon

Straightforward Credit Card Processing

Accept all major credit cards and ACH payments in one place.

  • No plugins, redirects, or external accounts required.
  • Process Visa, Mastercard, Amex, and Discover securely within CosmoLexPay.
  • Enjoy full PCI compliance and automated reconciliation with every transaction.

    Why law firms choose CosmoLexPay for payment processing
     

    CosmoLexPay 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: Connect payments directly to billing and accounting workflows for instant tracking and accuracy.
    • Client-friendly payment experience: Give clients modern options like PayPal, Venmo, and Pay Later, right from their invoice.
    • Trust accounting compliance: Keep client funds secure and separate with automatic safeguards built into the system.
       

    Request a demo

     

    Get paid faster with client-preferred payment methods

    CosmoLexPay integrates every payment option your clients already use, helping your firm reduce payment delays and improve revenue predictability.
    Get Paid Faster

    Accept PayPal, Venmo, and all major cards

    • Offer multiple payment channels without additional setup or gateways.
    • Merchants using PayPal experience a 46% lift in conversions.
    • Accept Visa, Mastercard, Amex, Discover, and ACH with fraud protection and chargeback support built in.
    Pay Later

    Clients pay later. You get paid now

    • Enable PayPal’s Pay Later feature to let clients split payments into manageable installments.
    • Receive full payment immediately with no extra cost to your firm.
    • Payments are protected by PayPal’s security standards 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
    ONE END-TO-END solution

    All the tools your firm needs
    to run your business.

    Built with the needs of modern small and mid-sized law firms in mind, CosmoLex’s legal practice management software increases efficiency and profitability.

    Legal Time & Billing

    Capture every billable hour and automate invoice creation directly from your matters.

    Integrations

    Work seamlessly with tools like Microsoft 365, Google Calendar, NetDocuments, and Dropbox.

    Secure Client Portal

    Share invoices, receive payments, and communicate securely in one place.

    Calendaring & Task Management

    Stay on top of deadlines with integrated calendars and task automation tools.

    Law Firm Reporting

    Analyze firm performance with detailed billing, accounting, and trust reports.

    Accounting

    Handle firm and client funds securely with built-in trust and business accounting.

    Document Management

    Organize and protect case files with encrypted cloud storage.

    Legal Websites

    Build an online presence that attracts and converts new clients.

    Legal Time & Billing

    Capture every billable hour and automate invoice creation directly from your matters.

    Integrations

    Work seamlessly with tools like Microsoft 365, Google Calendar, NetDocuments, and Dropbox.

    Secure Client Portal

    Share invoices, receive payments, and communicate securely in one place.

    Calendaring & Task Management

    Stay on top of deadlines with integrated calendars and task automation tools.

    Law Firm Reporting

    Analyze firm performance with detailed billing, accounting, and trust reports.

    Accounting

    Handle firm and client funds securely with built-in trust and business accounting.

    Document Management

    Organize and protect case files with encrypted cloud storage.

    Legal Websites

    Build an online presence that attracts and converts new clients.

    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 CosmoLexPay, you can process credit cards, ACH, PayPal, or Venmo directly within your practice management system, keeping billing and accounting perfectly synchronized.

    Why is CosmoLexPay ideal for law firms?

    CosmoLexPay 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 CosmoLexPay?

    CosmoLexPay 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. CosmoLexPay 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 CosmoLexPay compare to other law firm payment processors?

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

    Is CosmoLexPay PCI compliant?

    Yes. CosmoLexPay 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
    1100 Cornwall Road, Suite 215, Monmouth Junction, NJ 08852
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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.

    ©2025 ProfitSolv, LLC, All rights reserved. ProfitSolv, CosmoLex, and respective logos are trademarks or registered trademarks of ProfitSolv, LLC and its affiliates. All product names and trademarks are the property of their respective owners.

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