By Andrew Glover, CFA Charterholder Tax year 2026/27

2026/27 Tax Year Hub for UK Contractors

Last updated:

Reviewed by: Andrew Glover, CFA Charterholder · Last reviewed:

Your complete 2026/27 tax year resource. Access all free calculators, comprehensive guides, and expert blog posts for UK contractors. All resources use the latest HMRC rates for the 2026/27 tax year.

2026/27 Key Tax Rates at a Glance

Personal Allowance12,570
Basic Rate (20%)12,571 - 50,270
Higher Rate (40%)50,271 - 125,140
Additional Rate (45%)Above 125,140
Employee NI Main8% (12,570 - 50,270)
Employee NI Upper2% (above 50,270)
Employer NI15% (above 5,000)
Corporation Tax19% - 25%
Dividend Allowance500
Dividend Tax Rates8.75% / 33.75% / 39.35%
CGT Annual Exempt3,000
Scottish Higher Rate42% (above 31,092)

Free Contractor Calculators

Umbrella vs Ltd Company Calculator

Side-by-side comparison of umbrella employment and limited company contracting. See how corporation tax, dividend tax, employer NI, and the umbrella margin affect your net income.

Use Umbrella vs Ltd Calculator

Inside IR35 Calculator

Calculate your inside IR35 take-home pay as a deemed employee. Includes PAYE, employee NI, employer NI, pension auto-enrolment, and student loan deductions.

Use Inside IR35 Calculator

Outside IR35 Calculator

Calculate your outside IR35 take-home pay through a limited company. Includes corporation tax, salary, dividends, and pension contributions.

Use Outside IR35 Calculator

IR35 Rate Uplift Calculator

Find the exact day rate uplift needed when moving from outside to inside IR35. Enter your current rate to see what you need to charge to maintain the same take-home pay.

Use Rate Uplift Calculator

Contractor Day Rate Calculator

Convert between contractor day rates and annual income, or find the day rate you need to match a permanent salary.

Use Day Rate Calculator

Dividend Tax Calculator

Calculate your dividend tax bill for 2026/27. See exactly what you owe based on your dividend income and tax band.

Use Dividend Tax Calculator

Scotland IR35 Calculator

Calculate your Scottish contractor take-home pay with all five income tax bands (Starter 19%, Basic 20%, Intermediate 21%, Higher 42%, Top 48%).

Use Scotland IR35 Calculator

Student Loan Calculator

Calculate student loan repayments as a contractor across Plans 1-5. See how your contracting structure affects your repayments.

Use Student Loan Calculator

Comprehensive Guides

IR35 for Contractors: Complete Guide 2026/27

Everything you need to know about IR35 — inside vs outside, key status factors, SDS process, deemed payment calculation, and all 2026/27 rates.

Read IR35 Guide
Covers: what is IR35, inside vs outside, rate uplift, investigation risks

Umbrella Companies Guide 2026/27

How umbrella companies work, margin costs, take-home pay impact, and how to choose the right provider.

Read Umbrella Companies Guide
Covers: how umbrellas work, margins, FCSA accreditation, choosing a provider

Dividend Tax for Contractors 2026/27

Rates, allowances, how dividends interact with salary, and strategies to minimise your dividend tax bill.

Read Dividend Tax Guide
Covers: allowance, rates, spousal shares, timing strategies

Scottish Contractor Tax Guide 2026/27

Five income tax bands explained with worked examples, rate uplift calculations, and take-home comparisons.

Read Scottish Tax Guide
Covers: five bands, rate comparison, rate uplift

Contractor Pension Strategies 2026/27

Salary sacrifice, SIPPs, limited company contributions, and how to maximise tax relief as a contractor.

Read Pension Guide
Covers: salary sacrifice, SIPPs, company contributions, annual allowance

Contractor Expenses Guide 2026/27

What limited company contractors can claim — mileage, home office, equipment, professional fees, and more.

Read Expenses Guide
Covers: mileage, home office, equipment, training, subsistence

CIS Tax Return Guide 2026/27

How the Construction Industry Scheme works, claiming back overpaid tax, and filing your return.

Read CIS Guide
Covers: CIS deductions, Self Assessment, claiming back overpaid tax

Capital Gains Tax for Landlords 2026/27

Rates, annual exempt amount, private residence relief, and strategies to reduce your CGT bill.

Read CGT Guide
Covers: rates, exemptions, reliefs, reporting

R&D Tax Credits Guide 2026/27

Find out if your project qualifies, how to calculate your claim, and the full relief available.

Read R&D Guide
Covers: SME scheme, RDEC, qualifying costs, claiming process

HMRC Tax Investigation Guide 2026/27

Your rights during an enquiry, what HMRC can investigate, and when you need professional representation.

Read Investigation Guide
Covers: triggers, process, rights, representation

Best Contractor Accountants 2026/27

Compare fees, services, and reviews to find the right accountant for your limited company.

Compare Accountants
Covers: fee comparison, services, specialisation, reviews

Contractor Tax Glossary

50+ UK contractor tax terms explained. From IR35 and deemed employment to dividend tax and umbrella companies.

Browse Glossary
55 terms with definitions, rates, and practical context

IR35 vs Umbrella vs Limited Comparison

Side-by-side comparison table. See the real difference in take-home pay, deductions, and admin burden.

View Comparison
19-row comparison table with take-home estimates at 6 day rates

Expert Blog Posts

What Is IR35? Contractor Guide 2026/27

Everything UK contractors need to know about IR35 legislation, off-payroll rules, and how your contract status affects take-home pay.

Read Article

Limited Company vs Umbrella Comparison 2026/27

Which pays better for UK contractors? See how corporation tax, dividend tax, employer NI, and umbrella margins affect net income.

Read Article

IR35 Rate Uplift Negotiation Guide 2026/27

How to negotiate your rate uplift when moving from outside to inside IR35. Calculate the increase needed to maintain your take-home pay.

Read Article

Scottish Contractor Tax Guide 2026/27

What IR35 contractors need to know about Scottish income tax bands, rate comparisons, and take-home implications.

Read Article

Contractor Pension Strategies 2026/27

Best pension options for UK contractors including salary sacrifice, SIPPs, and limited company contributions.

Read Article

Dividend Tax Strategies 2026/27

How to minimise your dividend tax bill with spousal shares, timing, and retained profit strategies.

Read Article

Student Loan Repayment for Contractors 2026/27

Plans 1-5 explained with thresholds and strategies for contractors with limited company or umbrella structures.

Read Article

Contractor Day Rate Calculation Guide 2026/27

How to calculate your day rate from a permanent salary, including compensation for lost benefits and contract risk.

Read Article

Apprenticeship Levy for IR35 Contractors 2026/27

Does the 0.5% apprenticeship levy apply to your contract? Understanding how it affects inside IR35 and umbrella deductions.

Read Article

IR35 Changes 2026: What to Prepare For

Key IR35 updates for 2026/27 including rate changes, compliance requirements, and planning ahead.

Read Article

Best Umbrella Companies UK 2026/27

Top-rated providers compared side by side with margins, services, and contractor reviews.

Read Article

CIS Tax Refund Guide 2026/27

How to claim back overpaid CIS deductions through your Self Assessment return.

Read Article

R&D Tax Credits Explained 2026/27

Complete UK guide to claiming R&D Tax Credits including qualifying costs and the claiming process.

Read Article

HMRC Tax Investigation Guide 2026/27

What to do if HMRC contacts you for an enquiry. Your rights, obligations, and when to get professional help.

Read Article

Capital Gains Tax for Landlords 2026/27

Rates, reliefs, and strategies for landlords to minimise their CGT bill when selling property.

Read Article

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