OneAdvanced Legal - 2026 Pricing, Features, Reviews & Alternatives

OneAdvanced Legal is an all-in-one cloud-native legal software portfolio, purpose-built for UK and Irish law firms. Designed in collaboration with Microsoft, it delivers secure, enterprise-class capabilities that scale with your firm.

From practice and case management to tax tools and document automation, OneAdvanced Legal helps firms of all sizes streamline operations, enhance service delivery, and ensure compliance. The system includes UK-specific legal accounting, time recording, client onboarding, document storage, and a full legal forms library. All of this is delivered in a familiar Microsoft 365 environment—minimising the learning curve and maximising user adoption.

A single source of truth for all your client, matter, and billing data, OneAdvanced Legal helps eliminate data silos, improve accuracy, and reduce manual effort. Full text search, drag-and-drop filing, and centralised document storage simplify even the most complex workflows.

Features include:

Practice and case management.

Time recording and billing.

UK accounts and legal forms.

Secure document creation and storage.

Compliance-driven onboarding and AML checks.

Legal tax portal (HMRC-ready).

Microsoft 365 integration.

National Will Register access.

E-learning and in-product guidance.

Security and compliance are baked in. Built on Microsoft Azure, the platform includes MFA, version control, automated updates, and continuous regulatory alignment with GDPR, SRA, LAA and HMRC requirements.

Whether you’re a small firm or a growing legal business, OneAdvanced Legal’s per-user, per-month SaaS pricing model makes it easy to adopt and scale without large up-front investment. With 24/7 access and built-in best practice, it supports flexible working while improving user experience, client service, and internal performance.

Join over 3,000 firms and 40,000+ legal professionals already using OneAdvanced Legal to power their practice.