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Aderant

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By Aderant Holdings, Inc. · Founded in 1978

Enterprise practice management for AmLaw 200 firms.

CorporateLitigationM&ABigLaw
4.0(287 reviews)
What is Aderant?

Aderant was founded in 1978 (originally CompuLaw) and is the dominant elite-firm practice management platform alongside Thomson Reuters' 3E. Used by hundreds of AmLaw 200 firms and Magic Circle firms globally. Acquired by Roper Technologies. Recently launched MADDI, an agentic AI assistant for the platform.

Overview

Aderant was founded in 1978 (originally CompuLaw) and is the dominant elite-firm practice management platform alongside Thomson Reuters' 3E. Used by hundreds of AmLaw 200 firms and Magic Circle firms globally. Acquired by Roper Technologies. Recently launched MADDI, an agentic AI assistant for the platform.

Key Features

Time and billing (Expert Sierra)
Financial management
Matter management
Pricing and budgeting
MADDI AI agents
Conflict checking

Pros

  • Dominant in AmLaw 200 and Magic Circle firms
  • Deep financial and matter-management depth
  • MADDI AI roadmap is ambitious

Cons

  • Enterprise pricing — out of reach for mid-market
  • Long, expensive implementations
  • Heavyweight UI compared to startup PM products

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