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Resources

Calculators, tax rates & factsheets

Everything you need in one place — interactive calculators, current tax rates and allowances, key deadline reminders, and a curated factsheet library covering the topics that matter most to you and your business.

Online tools

Interactive calculators

Use our suite of online calculators to run quick estimates. Select a calculator below — each opens directly in your browser, no sign-in required.

  1. 01
    APR calculator
    Calculate the annual percentage rate (APR) on your loan.
  2. 02
    CIS tax deduction calculator
    Calculate CIS tax deductions for subcontractors and contractors.
  3. 03
    Company car & fuel benefit-in-kind calculator
    Work out the taxable benefit on your company car and fuel provision.
  4. 04
    Gross profit calculator
    Work out your gross profit and gross profit margin.
  5. 05
    Loan calculator
    Work out your interest and fixed monthly repayments.
  6. 06
    Millionaire calculator
    Find out how long it will take you to become a millionaire.
  7. 07
    More profit calculator
    Find out how you can create more profit in your business.
  8. 08
    Mortgage calculator
    A quick and easy way to calculate your mortgage payments.
  9. 09
    Payslip calculator
    Check your net pay after income tax and National Insurance deductions.
  10. 10
    Property tax calculator
    Calculate the tax charged for the purchase of property.
  11. 11
    Savings calculator
    Calculate the rate at which your savings will grow over time.
  12. 12
    Startup calculator
    Work out how much funding you will need to support your new business startup.
  13. 13
    VAT calculator
    Calculate the VAT paid or payable on any figure.
  14. 14
    Fuel costs calculator
    Find out how much you spend on fuel per year.

To use any of these calculators, please contact us and we will point you to the right tool, or call us on 01637 873838.

Reference

Tax rates & allowances

A comprehensive summary of current rates and allowances — updated each tax year — covering income tax bands, corporation tax, capital gains tax, inheritance tax, National Insurance contributions, VAT, ISA limits, the National Living Wage, stamp duty, pension annual allowances, and capital allowances.

For the latest figures relevant to your circumstances, please get in touch with our team.

Deadlines

Tax calendar

Stay ahead of HMRC deadlines with our tax calendar. Key dates for companies, employers and individuals are clearly distinguished so you can plan ahead with confidence.

The taxREMINDER service provides email alerts before important deadlines — a simple way to make sure nothing slips through. Ask us about registering when you get in touch.

Knowledge library

Factsheets

Our factsheet library brings together concise, plain-English guides on the topics our clients ask about most. Content is grouped by theme — contact us to request factsheets on any of the areas below.

  1. 01
    Capital Taxes
    Capital gains tax, inheritance tax, and related reliefs and exemptions.
  2. 02
    Corporate & Business Tax
    Corporation tax, R&D reliefs, loss relief, and business tax planning.
  3. 03
    Employment & Related Matters
    Employment law, PAYE, benefits in kind, and employer obligations.
  4. 04
    Personal Tax
    Self assessment, income tax, allowances, and Making Tax Digital for individuals.
  5. 05
    VAT
    VAT registration, schemes, Making Tax Digital for VAT, and partial exemption.
  6. 06
    Pensions
    Auto-enrolment, annual allowances, and pension planning.
  7. 07
    Starting Up in Business
    Choosing a structure, registering with HMRC, early-stage tax and accounting.
  8. 08
    General Business
    Practical guides on cash flow, finance, insurance, and running a business day to day.
  9. 09
    Specialist Areas
    Trusts, charities, farming, property, and other specialist tax topics.

To request a factsheet on any of these topics, please contact us.

Forms

Downloadable forms

We can direct you to the relevant HMRC and Companies House forms — available to complete online or download as PDFs. If you need help locating or completing a form, please get in touch.

Historical data

Market data

Historical statistics for context and planning — annual inflation figures, sterling exchange rates, FTSE 100 index levels, Bank of England base rate movements, and the retail price index. Contact us if you need specific historical data to support a financial decision.

Client tools

IRIS OpenSpace — your client portal

Existing clients can access, review and approve documents securely online through IRIS OpenSpace. If you need your login details or help getting started, please contact us.

Can't find what you're looking for? We're here to help.

Call us on 01637 873838 or drop us a message — our team at Bryndon House is available Monday to Friday, 9:00am to 5:15pm.

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