A
- Accountant
- Accounting period
- Accounting records
- Accounting software
- Accrual accounting
- Accruals basis (traditional accounting)
- Acquisition cost
- Additional rate tax band
- Adjusted net income
- Agency workers
- Air Passenger Duty
- Allowable costs (CGT)
- Allowable expenses
- Allowance
- Annual accounting scheme (VAT)
- Annual exempt amount (CGT allowance)
- Annual Investment Allowance (AIA)
- Apprenticeship Levy
- Approved mileage allowance payments (AMAPs)
- Arising basis
- Auto-enrolment pension
- Autumn Budget
B
- BACS payment
- Bad debts
- BADR tax
- Balancing Charge
- Balancing Payment
- Bank reconciliation
- Base cost
- Basic tax rate band
- Basis period
- Bed and breakfasting (shares)
- Benefits in kind
- Bereavement Allowance
- Bitcoin
- Blind Person’s Allowance
- Bonds
- Bonus
- Bookkeeping
- Brought forward
- Business Asset Disposal Relief (current name)
- Business asset rollover relief
- Business mileage
- Business profits
- Business rates (Non-Domestic Rates)
- Business rates relief
- Buy-to-let
C
- Capital allowances
- Capital expenditure
- Capital Gains Tax (CGT)
- Capital Gains Tax allowance
- Capital loss
- Carer’s Allowance
- Carry forward
- Carry forward (pension)
- Cars and capital allowances
- Cash accounting scheme (VAT)
- Cash basis
- Cash ISA
- CEST status tool
- CGT on UK residential property
- CGT reporting - 60-day (UK property)
- CHAPS payment
- Chargeable asset
- Charitable donations
- Chart of accounts
- Chattel
- Child benefit
- CIS card
- CIS contractor
- CIS deduction
- CIS subcontractor
- CIS300 (CIS monthly return)
- Civil partnership
- Class 1 National Insurance
- Class 1A National Insurance
- Class 1B National Insurance
- Class 2 National Insurance
- Class 3 National Insurance
- Class 4 National Insurance
- Close company
- Cloud accounting software
- Commission
- Community Investment Tax Relief (CITR)
- Companies House
- Company accounts
- Company car
- Company director
- Company Share Option Plans (CSOPs)
- Compliance check
- Compound interest
- Confirmation statement (Companies House)
- Construction Industry Scheme (CIS)
- Contractor
- Corporation Tax
- Corporation Tax return (CT600)
- Cost of Goods Sold (COGS)
- Council tax (not an HMRC tax, but relevant)
- Credit note
- Credit record
- Crowdfunding (UK)
- Cryptocurrency
- Cryptographic mining
- CT600 (company tax return)
- Customs Duty
- CWF1
D
- Declaration of Trust
- Deduction
- Deemed employment
- Defined benefit pension
- Defined contribution pension
- Depreciation (not deductible for tax)
- Digital record keeping
- Digital tax account
- Direct Debit payment
- Director’s fees
- Director’s loan account (DLA)
- Director’s salary
- Disallowable expenses
- Disguised remuneration
- Disposal (for CGT)
- Distance selling (post-Brexit context)
- Distributable reserves
- Dividend
- Dividend allowance
- Dividend income
- Domestic reverse charge (e.g. construction)
- Domicile
- Double Taxation Agreement (DTA)
E
- EC sales list (historic / legacy)
- Effective tax rate
- Employee
- Employee pension contribution
- Employer contributions
- Employer Payment Summary (EPS)
- Employer pension contribution
- Employment allowance (for employers)
- Employment income
- Enterprise Incentive Scheme (EIS)
- Enterprise Management Incentive (EMI) tax scheme
- Entertaining (business vs staff)
- Entrepreneurs’ Relief (historic name)
- Equity
- Equity crowdfunding
- Estate
- Ethereum
- Excise Duty
- Exempt supplies
- Expat
- Expense reimbursements
- Expenses
F
- Failure to Notify
- Filing deadline
- Final dividend
- Finance costs (for landlords)
- Financial year
- First-year allowance (FYA)
- Fiscal year
- Flat rate expenses
- Foreign dividends
- Foreign Tax Credit Relief
- Form 64-8
- Freehold
- Fringe benefits
- Fuel benefit
- Full Payment Submission (FPS)
- Furnished Holiday Lettings (FHL)
- Furnished property
- FUT tax
G
H
- HCPC renewal
- Help to Buy ISA (historic)
- HENRY
- High income child benefit charge (HICBC)
- Higher rate band
- Higher Rate Tax
- Higher rates for additional dwellings (SDLT surcharge)
- HMRC
- HMRC (His Majesty’s Revenue & Customs)
- HMRC CIS login
- HMRC Online Services
- HMRC property income allowance
- Holdover relief
- Holiday let
- Home equity release
- Home Office Allowance
I
- Import VAT
- Incentive Stock Option
- Income Tax
- Incorporation relief
- Indexation allowance (historic, for companies)
- Inheritance Tax (IHT)
- Inheritance Tax (IHT) Allowance
- Input tax
- Inside IR35
- Insurance Premium Tax
- Integral features
- Interest (on late tax)
- Interim dividend
- Investors’ Relief
- Invoice
- IR35
- ISA (Individual Savings Account)
J
K
L
- Land Transaction Tax (Wales)
- Landlord
- Late filing penalty
- Late payment penalty
- Late payment penalty
- LBTT – Land and Buildings Transaction Tax (Scotland)
- Leasehold
- Lettings relief
- Lettings relief (restricted modern version)
- Lifetime ISA
- Limited company
- Limited cost trader
- Live-in landlord
- Living accommodation benefit
- LLP (Limited Liability Partnership)
- Loan charge
- Locum
- Loss relief
- Losses (trading losses)
- Low-emission cars
- Lower earnings limit
- LP10 letter
M
- Main residence
- Making Tax Digital
- Marginal tax rate
- Marriage allowance
- Marriage Allowance
- Marriage allowance (transferable allowance)
- Married Couples’ Allowance
- Married couple’s allowance (older rule)
- Maternity Allowance
- Medical insurance benefit
- Mileage allowance
- Mileage Allowance
- Mortgage interest
- Mortgage interest relief (landlords – post-restriction)
- Mortgage interest restriction
- Mortgage interest tax relief
N
- National Insurance (NI)
- National Insurance number (NI number)
- National Living Wage (NLW)
- National Minimum Wage (NMW)
- Net income
- Net pay
- Net pay arrangement (pensions)
- Net Profit
- NI credits
- Nominated partner
- Non-chargeable asset
- Non-deductible
- Non-domiciled individual (non-dom)
- Non-resident (for tax purposes)
- Non-resident CGT
- Non-savings income
O
- Off-payroll working (IR35)
- Office costs
- Offsetting
- Offshore account
- Online Salary Calculator
- Online tax return
- Output tax
- Outside IR35
- Outside the scope of VAT
- Overdrawn director’s loan account
- Overlap profits
- Overlap relief
- Overpayment of tax
- Overseas employment
- Overseas income
- Overseas property income
- Overtime
P
- P11D
- P11D(b)
- P14 (historic / legacy)
- P45
- P46
- P60
- P800
- P87 claim form
- Paper tax return
- Partner
- Partnership
- Partnership agreement
- Partnership loss share
- Partnership profit share
- Partnership tax return (SA800)
- Partner’s tax return
- Patent Box regime
- PAYE (Pay As You Earn)
- PAYE Notice of Coding
- PAYE reference
- PAYE scheme (for companies)
- Payment deadline
- Payment Gateway
- Payment on account
- Payroll
- Payroll
- Payroll giving
- Peer-to-peer loans
- Penalty
- Pension
- Pension Annual Allowance
- Pension contribution
- Pension lifetime allowance
- Pension tax relief
- Pension triple lock
- Permanent establishment
- Personal allowance
- Personal Independence Payment
- Personal Savings Allowance
- Personal Tax Account
- Place of supply
- Plant and machinery
- Plastic Packaging Tax
- Postponed VAT accounting
- Pre-trading expenses
- Primary contributions (employee)
- Primary threshold
- Private pension
- Private Residence Relief
- Pro rata
- Probate
- Professional fees
- Profit
- Proforma invoice
- Property allowance
- Provision (accounting)
Q
R
- Real Time Capital Gains Tax Service
- Real Time Information (RTI)
- Reasonable excuse
- Record keeping requirements
- Reduced-rated supplies
- Redundancy pay
- Registered office address
- Relief
- Relief at source
- Remittance advice
- Remittance basis
- Rent a Room scheme
- Rent-a-room relief
- Rent-a-room relief (if relevant for side income)
- Rent2Rent
- Rental income
- Replacement of business assets relief
- Replacement of domestic items relief
- Requirement to Correct
- Research and Development (R&D) tax relief
- Resident (for tax purposes)
- Resident landlord
- Retained profits
- Revenue expenses
- Reverse charge
S
- SA1
- SA100 (main tax return)
- SA101
- SA102 (employment pages)
- SA103 (self-employment pages)
- SA104
- SA105 (UK property pages)
- SA106 (foreign income)
- SA107
- SA108 (capital gains)
- SA109 (residence, remittance)
- SA302
- SA303
- SA370
- Salary sacrifice
- Save As You Earn (SAYE)
- Savings income
- Savings interest
- Seafarer’s Earnings Deduction
- Secondary contributions (employer)
- Secondary threshold
- Securities
- Seed Enterprise Incentive Scheme (SEIS)
- Self Assessment
- Self-employed
- Service address
- Service charges
- Settlement agreement
- Share Incentive Plan (SIP)
- Share matching rules
- Shared Parental Pay (ShPP)
- Shareholder
- Shares
- Short-life assets
- Side gig
- Simple Assessment
- Simplified expenses
- Simplified VAT invoice
- SIPP (Self-Invested Personal Pension)
- Small tools and equipment
- Social Investment Tax Relief (SITR)
- Sole trader
- Split year treatment
- Spring statement
- Stamp Duty Land Tax (SDLT)
- Standard-rated supplies
- Starter checklist (replacement for P46)
- Starting rate for savings
- State Pension
- Statutory accounts
- Statutory Adoption Pay (SAP)
- Statutory Maternity Pay (SMP)
- Statutory Paternity Pay (SPP)
- Statutory redundancy pay
- Statutory residence test
- Statutory Sick Pay (SSP)
- Stocks and Shares ISA
- Structures and Buildings Allowance (SBA)
- Student loan deductions
- Subcontractor
- Subsistence
- Subsistence vs entertaining
- Surcharge
T
- Take-home pay
- Tapered personal allowance
- Tax avoidance
- Tax band
- Tax code
- Tax enquiry
- Tax evasion (and how it differs from avoidance)
- Tax investigation
- Tax liability
- Tax planning
- Tax rate
- Tax rebate
- Tax refund
- Tax relief
- Tax return
- Tax year (UK tax year)
- Tax year end
- Tax-free allowance
- Taxable income
- Taxable pay
- Termination payment
- Time to Pay arrangement
- Tips and gratuities
- Trading allowance
- Trading allowance
- Trading income
- Transfer pricing (for larger businesses)
- Travel expenses
- Trial balance
- Trivial benefits
- Turnover
