ContractJobs365Inside & Outside IR35 Contract Roles

IR35 & Contracting Guides

Practical advice on IR35, tax, day rates, and building a successful contracting career.

Market Insights

Business Analysis Contracting: Skills, Rates, and IR35

Guide to BA contracting in the UK. Covers the skills clients want, typical day rates, IR35 considerations, and how to build a successful BA contracting career.

Tax & Finance

When to Take Dividends: Timing Strategies for Contractors

How the timing of dividend payments affects your tax bill. Strategies for contractor directors to optimise dividend withdrawals.

Market Insights

Cybersecurity Contracting: Skills, Clearances, and Day Rates

Guide to cybersecurity contracting in the UK. In-demand skills, security clearance requirements, and current day rates for security contractors.

Tax & Finance

Travel Expenses for Contractors: The 24-Month Rule Explained

Understanding the 24-month rule for contractor travel expenses. When you can claim, when you cannot, and how to plan around it.

IR35 Guides

IR35 Blanket Bans: What They Are and How to Respond

Understanding blanket IR35 determinations. Why some companies assess all contractors as inside IR35 and what your options are.

Market Insights

Cloud Architecture Contracting: Building a Career in the Cloud

Guide to cloud architecture contracting. Covers AWS, Azure, GCP certifications, typical rates, and how to position yourself.

Tax & Finance

Self-Assessment Tax Returns for Contractors: A Complete Guide

How to file your self-assessment tax return as a UK contractor. Deadlines, what to include, and common mistakes to avoid.

Career

10 Networking Tips for IT Contractors

How to build a professional network that keeps you in work. Practical networking strategies for UK IT contractors.

IR35 Guides

Understanding the Status Determination Statement (SDS)

What is an IR35 Status Determination Statement? How to read one, challenge it, and what it means for your contract.

Market Insights

Contracting as a Project Manager: IR35, Rates, and Finding Work

Guide to IT project management contracting. Covers typical day rates, IR35 considerations, certifications, and how to build a strong PM contracting career.

Tax & Finance

Inside IR35 PAYE Deductions Explained: Where Does Your Money Go?

Breakdown of PAYE deductions for inside IR35 contractors. See exactly where your gross day rate goes and why take-home pay is lower.

Career

Hybrid Working as a Contractor: Balancing Office and Remote Days

How hybrid working affects contractors. Travel expense rules, IR35 implications, and negotiating the right balance with clients.

IR35 Guides

What to Do If HMRC Opens an IR35 Tax Investigation

Step-by-step guide for contractors facing an HMRC IR35 investigation. What to expect, your rights, and how to defend your position.

Career

Contractor Wellbeing: Managing Stress and Isolation

Practical advice on managing the mental health challenges of contracting. Dealing with uncertainty, isolation, and maintaining work-life balance.

Market Insights

Data Engineering Contracting: Skills, Tools, and Market Outlook

Guide to data engineering contracting in the UK. Covers key technologies, typical day rates, and career positioning for data contractors.

Career

Professional Development for Contractors: Staying Competitive

How UK contractors can invest in their skills to maintain high day rates and strong demand. Certifications, training, and learning strategies.

Tax & Finance

Filing Your Limited Company Annual Accounts: What Contractors Need to Know

A practical guide to filing annual accounts for your contractor limited company. Deadlines, penalties, and what your accountant handles.

Market Insights

UK Contractor Market Outlook for 2026

Analysis of the UK IT contractor market heading through 2026. Trends in demand, day rates, IR35, and remote working.

Market Insights

The DevOps Contractor Market: Skills, Rates, and Opportunities

Overview of the UK DevOps contractor market. Which skills are most in demand, typical day rates, and how to position yourself.

Getting Started

Limited Company vs Umbrella: Which Is Right for Your Contract?

Should you use a limited company or umbrella company for your next contract? Compare the tax, admin, and flexibility of each approach.

IR35 Guides

What Is "Reasonable Care" in IR35 Determinations?

The legal standard of reasonable care that clients must meet when making IR35 determinations. What it means and why it matters.

Career

Contracting in the Public Sector: IR35 Rules and What to Expect

Guide to public sector IT contracting in the UK. Understand the IR35 rules, clearance requirements, and how public sector contracts differ.

Career

Managing the Gap Between Contracts: A Contractor Survival Guide

Practical advice for handling periods between contracts. Financial planning, upskilling, and strategies to minimise downtime.

IR35 Guides

IR35 Compliance Checklist for Contractors

A practical checklist to help UK contractors ensure their working arrangements support an outside IR35 determination.

Career

How to Negotiate a Contract Extension Successfully

Proven strategies for negotiating contract renewals and extensions. Timing, rate discussions, and positioning for the best outcome.

IR35 Guides

The Substitution Clause: What It Means for IR35 and How to Use It

How the right of substitution affects your IR35 status. What makes a substitution clause genuine and enforceable.

Tax & Finance

Getting a Mortgage as a Contractor: What Lenders Want

How UK contractors can get a mortgage. Which lenders understand contracting, what documentation you need, and how day rate calculations work.

Market Insights

The Best-Paid Contract Skills in 2026

Which IT skills command the highest contractor day rates in 2026? Data-driven analysis of the UK contract market.

Tax & Finance

Closing Your Limited Company: When and How to Do It

Guide to closing a contractor limited company. Covers striking off, members voluntary liquidation, and when each approach makes sense.

Tax & Finance

VAT Registration for Contractors: When and How to Register

Should UK contractors register for VAT? Covers the threshold, Flat Rate Scheme, standard VAT, and voluntary registration benefits.

IR35 Guides

IR35 and Recruitment Agencies: Who Is Responsible for What?

Understanding the role of recruitment agencies in IR35 determinations, fee-payer responsibilities, and how the supply chain works.

Career

Writing a Contractor CV That Gets You Interviews

How to structure your IT contractor CV to stand out. Focus on deliverables, technologies, and contract duration rather than job descriptions.

Market Insights

Software Developer Contractor Rates: 2026 Market Guide

Current UK software developer contractor day rates by language and framework. Java, Python, JavaScript, Go and more compared.

Tax & Finance

Corporation Tax Rates for Contractors: Small Profits Rate vs Main Rate

Understanding the current UK Corporation Tax rates and how they affect contractors with limited companies. Includes the marginal relief band.

Career

Security Clearance for Contractors: SC and DV Clearance Explained

Guide to SC and DV security clearance for UK contractors. How to get cleared, how long it takes, and the premium it adds to your day rate.

Getting Started

Finding Your First IT Contract: A Practical Guide

Step-by-step guide for permanent employees transitioning to IT contracting. How to find your first contract, set up, and succeed.

Getting Started

How to Invoice as a Contractor: Templates, Terms, and Tips

Guide to invoicing for UK contractor limited companies. What to include, payment terms, VAT, and how to chase late payments.

Tax & Finance

Salary vs Dividends: The Optimal Mix for Contractor Take-Home Pay

How to split your limited company income between salary and dividends for maximum take-home pay in the 2025/26 tax year.

IR35 Guides

Key IR35 Case Law Every Contractor Should Know

The most important IR35 tribunal cases and what they mean for contractors. From Dragonfly to PGMOL, learn how courts decide IR35 status.

Getting Started

Contractor Insurance: What Cover Do You Actually Need?

The essential insurance types UK contractors need: professional indemnity, public liability, and employer's liability. What they cover and typical costs.

IR35 Guides

How to Appeal an IR35 Determination You Disagree With

Step-by-step guide to challenging an IR35 status determination from your end client. Your rights, the process, and practical tips.

Career

Remote Contracting in the UK: What You Need to Know

Guide to remote IT contracting in the UK. Covers finding remote contracts, IR35 implications, home office setup, and productivity tips.

Tax & Finance

Pension Planning for Contractors: Making the Most of Your Limited Company

How UK contractors can use employer pension contributions to build retirement savings tax-efficiently through their limited company.

IR35 Basics

The April 2021 IR35 Changes: What Happened and What It Means Now

A look back at the April 2021 IR35 reforms that shifted responsibility to end clients. How the changes affected the contractor market.

IR35 Basics

Contractor Rights vs Employee Rights: What You Are Entitled To

Understanding the legal rights you have (and don't have) as a UK contractor compared to permanent employees. Know your position.

Career

7 Tips for Negotiating Your Contractor Day Rate

Practical advice on negotiating your IT contractor day rate. Know your market value, handle IR35 conversations, and avoid common mistakes.

Tax & Finance

What Expenses Can UK Contractors Claim Through a Limited Company?

A complete guide to allowable expenses for UK contractors operating through a limited company. Reduce your tax bill legally.

Getting Started

What Is an Umbrella Company? How It Works for Contractors

Umbrella companies explained for UK contractors. How they work, what they cost, and when you might need one for inside IR35 contracts.

Getting Started

Best Accounting Software for UK Contractors in 2026

Compare the top accounting software options for UK contractor limited companies. FreeAgent, Xero, QuickBooks and more reviewed.

Getting Started

Setting Up a Limited Company as a Contractor: Step by Step

How to set up a UK limited company for contracting. Covers Companies House registration, bank accounts, insurance, and accounting basics.

IR35 Guides

The HMRC CEST Tool: What It Is, How to Use It, and Its Limitations

A practical guide to HMRC's Check Employment Status for Tax (CEST) tool, including how to use it and why many contractors don't trust it.

IR35 Guides

How Is IR35 Status Determined? The Three Key Tests

Learn the three tests HMRC uses to determine IR35 status: substitution, control, and mutuality of obligation. Practical examples included.

IR35 Basics

10 Common IR35 Myths Debunked

Separating fact from fiction on IR35. We address the most persistent myths that mislead UK contractors about their tax status.

IR35 Basics

Inside vs Outside IR35: What Is the Actual Difference?

Understand the key differences between inside and outside IR35 contracts, including tax, pay, and how each status affects your take-home earnings.

IR35 Basics

What Is IR35? A Plain English Guide for UK Contractors

IR35 explained simply for UK contractors. Learn what the legislation means, who it affects, and why it matters for your take-home pay.