Tolley solutions for large tax practices

Trusted tax solutions to reduce risk, increase efficiency, and deliver strategic value
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Tolley’s market-leading solutions for your large tax practice

Large tax practices operate under continuous pressures as they balance complex compliance obligations, technology adoption, talent retention, and competitive client advisory demands.

Tolley’s comprehensive tax solutions support national and multinational firms in minimising risk with confidence, driving efficiency, and delivering exceptional advice that stands shoulder to shoulder with the Big Four.

Reduce risk

Access the UK's most authoritative, constantly updated tax resources. Tolley enables your firm to maintain compliance, eliminate costly errors, and protect your professional reputation.

Boost efficiency

Streamline routine compliance tasks and leverage cutting-edge AI and workflow tools. Tolley helps your firm reduce time spent on routine tasks, freeing capacity for high-value advisory work.

Drive strategic value

Deliver exceptional, Big Four-calibre tax advisory services confidently in-house, reducing external reliance, enhancing client relationships, and protecting firm profitability.

Empower your team

Equip your professionals with expert guidance, practical resources, advanced CPD training, and intuitive tools. This supports staff development and retention, while building your in-house expertise.

One powerful platform to transform your tax practice

Tolley+™ brings together the UK’s most comprehensive tax legislation, case law, expert commentary, practical guidance and AI-guided workflows, all in one intuitive ecosystem.
Find authoritative answers faster, simplify complex tax processes, and empower your tax teams to deliver high-quality, strategic advice with confidence.

Supercharge every step of your tax workflow with Tolley+™ with Protégé™

Tolley+ with Protégé (formerly Tolley+ AI™) helps large tax teams accelerate complex work through structured AI-powered workflows grounded in trusted Tolley content. Instantly resolve technical queries, draft precise client communications faster, summarise detailed tax material clearly, and securely analyse client documents, helping your teams reduce risk, improve consistency, and deliver strategic value more efficiently.

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Find trusted, authoritative answers with Tolley+™ Research

Tolley+ Research gives your team instant access to the UK’s most authoritative tax content—legislation, expert commentary, HMRC guidance, and extensive case law—in one powerful platform. With comprehensive coverage, your firm can confidently manage compliance, mitigate risks, and deliver precise, strategic advice that competes with the Big Four.

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Apply tax legislation confidently with Tolley+™ Guidance

Navigate complex tax scenarios with clear, step-by-step guidance written by industry experts. Tolley+ Guidance provides detailed explanations, practical examples, checklists, and templates—enabling your teams to consistently deliver accurate, compliant, and authoritative advice to clients.

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Simplify your compliance tasks with Tolley+™ Tax Tools

Quickly handle complex calculations and routine compliance tasks with intuitive tools, calculators, and analytical resources. Tolley+ Tax Tools enables your firm to manage high-volume tax workflows accurately and efficiently, significantly reducing external adviser costs and boosting firm productivity.

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Tax professionals rate Tolley content 8.4 out of 10*

88% of tax professionals recommend Tolley*

*from managed-trials survey responses

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Specialist solutions to simplify complex tax and compliance challenges

Empower your large tax practice with Tolley’s specialist resources for VAT, audit compliance, expert analysis, and comprehensive CPD training. Quickly resolve complex issues, ensure compliance excellence, and deliver exceptional client service.

Mercia’s Audit and Compliance Manuals

Practical, expert-written audit and compliance manuals covering all key regulatory standards and reporting requirements. Mercia Manuals enable your firm to conduct high-quality audits efficiently, ensuring compliance and reducing risk.

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Tolley®VAT Adviser

Instantly determine accurate VAT treatments for UK and cross-border transactions. Tolley VAT Adviser generates compliant invoices, reduces errors, and simplifies complex VAT scenarios across all jurisdictions.

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Tolley®Seminars Online

Expert-led CPD solutions to efficiently update your teams on critical tax developments. Tolley CPD helps your professionals meet compliance requirements, stay informed, and maintain a competitive edge.

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Read what our clients are saying

Trusted AI workflows. Built for real tax work.

Tolley+ with Protégé combines AI-guided workflows with trusted, expert tax content to help professionals move from initial question to completed work faster. It streamlines every step of tax work with greater consistency, confidence and control.

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Take the first step to smarter, faster tax work