About CosmoLex

Bridging your firm's people & process.

Give your team better visibility and greater accuracy across every matter. Our legal finance and firm management software allows your team to move forward together.

Meet our leaders
Supporting local and national bar associations.
State Bar of Arizona
Alabama State Bar
American Bar Association
Chicago Bar Association
Connecticut Bar Association
Florida Bar
Illinois State Bar Association
Indiana State Bar Association
Kansas Bar Association
New Jersey State Bar Association
Washington State Bar Association
MSBA
Missouri Bar
Rhode Island Bar Association
State Bar of Georgia
Professional Liability Fund
Oklahoma Bar Association
National Association of Consumer Bankruptcy Attorneys
AAW
South Carolina Bar
State Bar of Texas
Canadian Bar Association
Philadelphia Bar Association

Spend less time managing your practice & more time practicing law

CosmoLex brings together the tools law firms rely on every day into one shared system. Manage trust and business accounting, time tracking, billing, email, documents, tasks, and calendaring from a single platform designed specifically for legal workflows.

Dollars billed

$25.5B

Documents stored

140K

Active Matters

4.8M

Established in

2013

a history of innovation

Over a decade of developing innovative solutions for firms

Kelley Castell

CosmoLex was developed in 2012 as a first-of-its-kind cloud-based law practice system. The vision of CosmoLex was simple — build a solution to handle law firm operational needs with a single log-in available in a cloud application. Now trusted by thousands of firms, CosmoLex is the #1 end-to-end legal practice management solution with fully integrated matter management and firm accounting.

We're happily headquartered in West Palm Beach, Florida.

Kelley Castell, Chief Executive Officer

Connected firms create confident clients.

Everything we do is shaped by the belief that firms deliver better client experiences when their people feel supported behind the scenes.

Client

We believe trust is built through empathy, responsiveness, and genuine care for the people we serve.

Action

We value momentum, accountability, and the willingness to solve problems thoughtfully and proactively.

Innovation

People-led growth. We embrace curiosity and continuous improvement to create better ways of working.

Unity

We row together in one direction. We work best when we support one another through our shared goals.

Meet our leadership team

The people shaping the future of technology for law firms. We value their dedication to the entirety of the customer's experience.

Keeping firms connected to the people they serve.

6/5/2026

Responsive Support and a Comprehensive Knowledge Base

The customer service team is very responsive, and the website's knowledge base is comprehensive.

Verified User in Legal Services

Small-Business (50 or fewer emp.)

Read full G2 review
4/28/2026

Saves Time with Automation and Great Support

I really appreciate how CosmoLex helps save my time through the automation of practice management and file management. It also assists with bookkeeping, bu...

Lena Levtsun

Read full G2 review
3/17/2026

Excellent for Docketing Time and Billing Clients

It is an excellent tool for docketing time and billing clients. The Customer Support is very good and much better than other Legal Accounting Software that...

E.C. Carla Zabek

Labour and Employment Lawyer, Mediator/Facilitator, Human Rights and Workplace Investigator

Read full G2 review
2/18/2026

CosmoLex Support Is Amazing and Unmatched

Cosmolex Support department is amazing and so helpful.

Brenda Ortlieb

Small-Business (50 or fewer emp.)

Read full G2 review
2/25/2025

Cosmolex makes Practice Management seamless

I love that Cosmolex works provides seamless integration with my email, document management systems, and trust accounting, three pillars of my law practice...

Verified User in Legal Services

Small-Business (50 or fewer emp.)

Read full G2 review
2/18/2025

Strong on bookkeeping and time docketing

Superior customer service. Straightforward bookkeeping, accounting and time docketing. Company is responsive and always improving the program.

Verified User in Law Practice

Small-Business (50 or fewer emp.)

Read full G2 review
2/11/2025

Easy to use and to learn the software – it is very intuitive.

Very much common sense and intuitive with the interface - it actually makes legal accounting enjoyable.

Verified User in Law Practice

Small-Business (50 or fewer emp.)

Read full G2 review
7/13/2022

No more software crashes!

Cosmolex is so intuitive to use and accessible whether I'm working from the office or home.

Verified User in Law Practice

Small-Business (50 or fewer emp.)

Read full G2 review
6/24/2022

User Friendly and great help in the online chat which is a big time saver.

The program is user-friendly and the tasks makes it very easy to keep on top of files.

Kathleen Kohinski

Paralegal/ office manager

Read full G2 review
6/6/2022

The best decision ever

The ease of use as well as integration with accounting.

Verified User in Law Practice

Small-Business (50 or fewer emp.)

Read full G2 review
CosmoLex team meeting
Team hackathon event
Office gathering
Ribbon cutting ceremony
Company group photo
MTMP conference
Team activities
Team collaboration
Team event signing
CosmoLex team meeting
Team hackathon event
Office gathering
Ribbon cutting ceremony
Company group photo
MTMP conference
Team activities
Team collaboration
Team event signing

Join our growing team

Shape the future of technology for law firms alongside people who care about delivering exceptional customer experiences.

Explore Careers
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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.

©2026 ProfitSolv Purchaser, Inc., All rights reserved. ProfitSolv, CosmoLex, and respective logos are trademarks or registered trademarks of ProfitSolv Purchaser, Inc. and its affiliates. All product names and trademarks are the property of their respective owners.