Outside IR35 Contract Jobs in London
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361 Contract jobs sorted by:
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Date Posted
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361 Contract jobs
Project Manager (Document Controller) - Capital Projects/Construction/HV Electri...
Posted 1 day ago by Smart-Sourcer
What you'll lead:Full life cycle document control across design, procurement, construction, commissioning and handoverHi...
- Rate £600 per day
- Category Outside
- Work type Hybrid
- Location London & High Wycombe
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Senior AWS Platform Engineer (AI Platform)
Posted 1 day ago by Sanderson Recruitment
Outside IR35 Contract: Senior AWS Platform Engineer (AI Platform)Day Rate: Up to £600 Outside IR35Location / Arrangement...
- Rate £600 per day
- Category Outside
- Work type Hybrid
- Location London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford
Software/Hardware Test Engineer/Lead - Outside IR35
Posted 1 day ago by SDL Solutions Limited
Software/Hardware Test Engineer/Lead - 12 month contract - Outside IR35My client is the fastest growing technology compa...
- Rate Not specified
- Category Outside
- Work type Not specified
- Location London, Hertfordshire, Cambridge
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About Our Outside IR35 Contract Roles in London
What is the contracting market like in London?
London dominates the UK contractor market by volume, depth, and rate levels. The capital concentrates the headquarters and major offices of most FTSE 100 companies, the largest global banks, the Big Four professional services firms, and the central government departments that collectively generate the majority of UK contract demand. Every contracting discipline covered on this site has active demand in London, from niche specialisms like threat intelligence and LLM engineering through to high-volume disciplines like project management and business analysis. The sheer density of employers means contractors in London typically have more choice of engagement at any given time than anywhere else in the UK. Day rates carry a premium of 15 to 25 per cent over the national average across most disciplines, reflecting both the concentration of complex, high-value programmes and the cost of operating in the capital.
What does Outside IR35 mean?
IR35 is UK tax legislation that determines whether a contractor is genuinely self-employed or working in a manner that resembles employment. When a contract is classified as outside IR35, the engagement is treated as a business-to-business arrangement. The contractor operates through their own limited company, invoices for services, and manages their own tax affairs including corporation tax, self-assessment, and VAT where applicable.
Outside IR35 engagements are assessed against three key factors: the degree of control the client exercises over how the work is delivered, whether the contractor has a genuine right to provide a substitute, and whether there is a mutuality of obligation between the parties. Contracts that demonstrate contractor autonomy, project-based delivery, and the absence of ongoing employment obligations are more likely to sit outside IR35. Since April 2021, responsibility for making this determination sits with the end client for medium and large private sector organisations.
On QualityContracts.co.uk, approximately 28% of roles with a stated IR35 status are classified as outside IR35. The proportion varies by sector and role type, with some disciplines seeing a significantly higher or lower share of outside IR35 opportunities. Each listing on this page displays its IR35 status where provided by the hiring organisation.
How much do contractors usually earn in London when working Outside IR35?
Contract rates in London for outside IR35 engagements vary by discipline and seniority. Outside IR35 rates reflect the gross day rate paid to the contractor's limited company before any personal tax obligations. Filter by your specialism above for a more specific range.
How many Outside IR35 vacancies in London are there on Quality Contracts?
Over the past twelve months, we have tracked over 35,000 contract roles across the site, with roughly one in four sitting Outside IR35. Data reviewed up to July 2026.