Accounting Tools & Calculators
Practical UK accounting, tax and reporting tools for companies, finance teams and advisers. These tools are designed for initial assessment only; where judgement or complex facts are involved, we can connect you with a suitable specialist.
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Use our free UK accounting, audit and tax tools to check key reporting deadlines, company size thresholds, audit exemption status and FRS 102 readiness.
FRS 102 Lease Calculator
Estimate lease liabilities, interest unwind and closing balances for simple leases under the revised FRS 102 model.
Open calculator →Audit Exemption Checker
Check whether a UK company may qualify for audit exemption based on size thresholds and other restrictions.
Check if you need an audit →UK Company Size Checker
Check whether a UK company qualifies as micro, small, medium-sized or large under the updated Companies Act size thresholds.
Check company size →UK Filing Deadline Calculator
Estimate Companies House accounts, confirmation statement and Corporation Tax filing deadlines for UK limited companies.
Check filing deadlines →FRS 102 Revenue Recognition Checker
Assess whether revised FRS 102 Section 23 may affect your contracts, revenue policies and accounting judgements before the 2026 changes apply.
Check revenue readiness →Need a more detailed review?
These tools are intended for high-level assessments and simple scenarios. For complex leases, group structures, tax positions or judgemental accounting matters, Accoura Advisors can introduce you to a qualified specialist adviser.
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