Free UK Accounting Tools & Calculators
Get a useful first answer on company reporting, audit, FRS 101, FRS 102 and tax deadlines; then move to the relevant guidance or specialist support if the facts are more complex.
Company & statutory reporting
Calculate employee numbers and assess individual-company or group size under current UK reporting thresholds.
UK Company Size Checker
Test micro, small, medium-sized or large company thresholds for current or earlier financial years.
Check company size →Average Number of Employees Calculator
Calculate the statutory monthly average employee number for UK company accounts and company-size tests.
Calculate average employees →Group Company Size Checker
Assess small, medium-sized or large group thresholds using net or gross aggregate figures.
Check group size →Accounting & Financial Reporting
Prepare and review common accounting calculations that support period-end financial reporting.
Group Accounts & Consolidation Exemption Checker
Check whether a UK parent company needs group accounts or may qualify under sections 399, 400, 401 or 402.
Check consolidation requirements →Depreciation & Amortisation Calculator
Calculate depreciation and amortisation charges, carrying values and full asset schedules using straight-line, reducing-balance or usage-based methods.
Calculate depreciation →Audit
Plan common audit judgements and assessments using practical tools based on UK auditing standards.
Simplified Audit Materiality Calculator
Enter PBT, revenue and key audit assumptions to get a simplified indicative materiality result.
Simplified calculation →Audit Materiality Calculator
Perform a detailed benchmark, aggregation-risk and materiality assessment with supporting rationale.
Open advanced calculator →Audit Exemption Checker
Work through company size, group, eligibility and parent-guarantee factors that may affect an audit.
Check audit exemption →Audit Readiness Checklist
Review the schedules, reconciliations and supporting evidence commonly requested during an audit.
Review audit readiness →FRS 102
Identify likely 2026 impacts, plan financial statement disclosures and work through revised lease and revenue requirements.
FRS 102 2026 Changes Impact Checker
Identify likely accounting, disclosure and implementation impacts for the selected reporting period.
Check likely impacts →FRS 102 Disclosure Checklist & Checker
Review applicable disclosure requirements for Section 1A or full FRS 102 accounts.
Check FRS 102 disclosures →FRS 102 Lease Calculator
Estimate lease liability, right-of-use asset, interest unwind and a monthly schedule for a simple lease.
Calculate a lease →FRS 102 Revenue Recognition Checker
Flag contract features that may require further work under revised Section 23.
Check revenue readiness →FRS 101
Check qualifying-entity conditions, then review reduced-disclosure exemptions and requirements for UK individual company accounts.
FRS 101 Eligibility Checker
Check whether an entity appears eligible to use the FRS 101 Reduced Disclosure Framework and identify important restrictions.
Check FRS 101 eligibility →FRS 101 Disclosure Checklist & Checker
Review the disclosure requirements and reduced-disclosure exemptions applicable to FRS 101 individual company accounts.
Open FRS 101 checklist →Tax & deadlines
Calculate current Corporation Tax, VAT amounts, ordinary Corporation Tax and Company Tax Return dates, or estimate a wider set of Companies House and HMRC deadlines.
UK Corporation Tax Calculator 2026
Calculate taxable total profits, marginal relief, capital allowances, current tax charge and tax payable.
Calculate Corporation Tax →Corporation Tax Deadline Calculator
Calculate the usual Corporation Tax payment date and CT600 filing deadline from an accounting period end.
Calculate tax deadlines →UK Filing Deadline Calculator
Estimate Companies House accounts, confirmation statement, Corporation Tax and CT600 dates.
Check filing deadlines →UK VAT Calculator & Reverse VAT Calculator
Add VAT to a net amount or remove VAT from a gross price using 20%, 5%, 0% or a custom rate.
Calculate VAT →Need a more detailed review?
For complex leases, group structures, tax positions or judgemental accounting matters, Accoura Advisors can introduce you to a suitable qualified specialist.