Onit is an enterprise legal operations platform for large in-house departments. Atticus is built for Ontario solo and small law firms — matters, billing, trust accounting, and Canadian AI for your client files — at $149 CAD per lawyer per month.
Onit is enterprise legal operations software. Atticus is the Ontario practice management platform built for solo and small law firms.
Onit is an enterprise legal operations platform designed for large in-house legal departments and major law firms. Atticus is purpose-built for Ontario solo and small law firms — 1 to 10 lawyers — with a simple onboarding process and an all-in price of $149 CAD per lawyer per month.
Onit is built for enterprise contract management, not private client trust accounting. Ontario lawyers need LSO By-Law 9 compliant trust accounting as a core requirement. Atticus includes mixed trust accounts, monthly reconciliation, and trust ledger reporting built into the base product.
Onit is a US-based enterprise platform. Atticus is built specifically for Canadian and Ontario legal context — Ontario Limitations Act, LSO By-Law 9 trust accounting rules, Canadian case law references, and LSO AI guidance on using AI in practice.
Onit's billing module is designed for enterprise e-billing between law firms and corporate clients, not for generating CRA-compliant HST invoices for private client work. Atticus includes native HST billing with the proper invoice formats Ontario sole practitioners and small firms need.
Onit is a US-based platform. Atticus stores all Ontario client files and trust records on Canadian servers by default — aligned with Law Society of Ontario guidance on cloud storage of client confidential information.
Onit requires a custom enterprise contract and a lengthy implementation project. Atticus is $149 CAD per lawyer per month with same-day self-serve onboarding — no sales process, no implementation consultant, no multi-year enterprise commitment.
See how Atticus compares to Onit for Ontario solo and small law firms — complete Ontario practice management with Canadian AI vs enterprise legal operations platform.
| Feature | Atticus | Onit |
|---|---|---|
| Practice management | ✓Full integrated practice management for Ontario solo and small law firms | Enterprise legal operations and contract lifecycle management platform; designed for in-house legal departments and large law firms |
| Ontario trust accounting | ✓Built-in, LSO By-Law 9 compliant; mixed trust, monthly reconciliation | No trust accounting for private client practices |
| HST billing | ✓Native HST with CRA-compliant invoices built in | Enterprise matter billing for in-house; not designed for HST invoicing for private client work |
| Time tracking | ✓Integrated time and billing; AI-assisted time capture | E-billing and matter management for corporate legal departments; not designed for private client time capture |
| AI legal work | ✓Canadian legal AI: document analysis, entity extraction, limitation period flagging, practice assistant, semantic search across your files | Contract lifecycle management with AI for enterprise contracts; workflow automation for legal operations |
| Matter management | ✓Full matter lifecycle for private client work from intake to close | Matter management for corporate in-house departments and enterprise law firm matters |
| Document management | ✓AI document analysis, summarization, and entity extraction; semantic search across all files | Contract repository and enterprise document management; strong for corporate transactional documents |
| Canadian legal context | ✓Built for Ontario law: Limitations Act 2002, LSO By-Law 9 trust accounting, Ontario court procedures | US-based enterprise platform; limited out-of-box Ontario legal context |
| Limitation period alerts | ✓Ontario Limitations Act 2002 built in; AI extracts dates from documents | Contract deadline and milestone tracking; not designed for Ontario court limitation periods |
| Target market | ✓Ontario solo and small law firms — designed for 1-10 lawyer practices | Enterprise in-house legal departments and large law firms — designed for 50+ person teams |
| LSO compliance | ✓Built for Ontario LSO requirements; Canadian data residency; LSO AI guidance considered | US-based enterprise platform; Ontario LSO compliance requires additional configuration |
| Pricing (CAD) | ✓$149/lawyer/month (all-in, including AI) | Custom enterprise pricing; substantially higher cost for smaller practices |
| Data residency | ✓Canadian servers by default | US-based infrastructure |
| Implementation | ✓Self-serve onboarding; usable same day | Enterprise implementation project; typically months to deploy |
No enterprise implementation. No custom pricing. Atticus is $149 CAD per lawyer per month — LSO-compliant trust accounting, HST billing, AI document analysis, limitation period tracking, and conflict checking, built for Ontario solo and small law firms.
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