
Manage your whole supply chain easily with IR35 Complete™

Manage your whole supply chain easily with IR35 Complete™
Tailored support from our IR35 experts to your agency
Fast & easy IR35 assessment tool with insurable outcomes
Everything you need to comply with IR35
Seamless management of contractors throughout the supply chain
Our Quick & Reliable Assessment Tool
The most powerful assessment tool on the market
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More than just an assessment tool
Our IR35 Complete™ solution has everything you need to mitigate the impact of IR35.
In addition to our market-leading assessment tool, our compliance experts will take care of everything to ensure you’re fully prepared:
- All the services and support you need to prepare for IR35 reforms
- We remove the complexity and risk to help you experience minimum disruption
- We’ll work with you to create a tailored and detailed project plan and support you through its implementation
- We’ll support your communications with consultants, contractors, and end hirers with webinars and Q&As.
If your contractors need to switch to Umbrella, we have significant expertise in handling large-scale migrations:
- Quickly deliver accurate pay illustrations and explain how pay is calculated
- Provide a smooth and positive onboarding experience for contractors joining our Umbrella
- Provide references from agencies with regards to our large transitions/migration projects
- Draft clear and accurate communications for workers for dissemination by your agency.
Our Solutions
Your IR35 Project Plan
Click on each phase to find out more.
Phase 1
Planning
Phase 2
Implementation
Phase 3
Ongoing Support
Your experienced team
We have a team of specialists who are on hand to help your agency prepare.
Any technical or compliance-related questions can be answered by Chris James, Director of Accountancy Services and Chairman of the FCSA. While any queries you may have about the assessment tool and how it works can be answered by Del Williams, our Sales Director.

TESTIMONIALS
Professional and efficient
Having worked with a number of umbrella companies over the years, Vicky Traynor and the team JSA stand out from the crowd due to the professional and efficient service that they provide to agencies and contractors.
Fantastic team
I have been working with JSA for a while now more specifically with Maria Constantinou and their services are really amazing. The team is fantastic but I would like to say a big thank you to Maria for going the extra mile and assisting
IR35 RESOURCES TO HELP YOU UNDERSTAND AND PREPARE
Download Our Guide
IR35 assessment and liability for tax
What makes a good IR35 assessment?
Begin Our IR35 Assessment Masterclasses
IR35 AND OFF-PAYROLL NEWS, ANALYSIS AND EXPERT OPINIONS
Video: How to Take on A Mixture of ‘Inside’ and ‘Outside’ IR35 Contracts – IR35 Tips for Contractors
View our short video which explains how to take on a mixture of ‘inside’ and ‘outside’ IR35 contracts with JSA’s toggle solution.
Video: What Can I Do If I’m Classed as ‘Inside’ IR35? – IR35 Tips for Contractors
View our short video which explains what to do if you think your contract will be classed as ‘inside’ IR35.
Video: What Would I Do With My PSC If I Switched to Umbrella? – IR35 Tips for Contractors
View our short video which explains what to do with your PSC if you choose to switch to Umbrella contracting as a result of the IR35 reforms.
Video: If I Am ‘Inside’ IR35, Can I Still Work Through My Limited Company? – IR35 Tips for Contractors
View our short video which answers whether you can continue to work through your Limited Company if you’re deemed ‘inside’ IR35.
Don’t Get Caught in Tax Avoidance Schemes
If you’re joining an umbrella company, make sure you choose a compliant one that isn’t operating a tax avoidance scheme.
IR35 & Brexit – Are You Affected?
IR35 & Brexit are set to cause big legislative changes throughout 2021. As a contractor, it’s important you know how you’ll be affected.