
IR35 assessment in Southampton is essential for contractors to determine employment status accurately and avoid costly tax investigations. At Business At, we offer thorough evaluations tailored to your contracts, ensuring compliance with HMRC regulations.
Our certified chartered accountants are available 7 days a week, 16 hours a day for real-time advice. With expertise in automation and international tax, we provide clear IR35 determinations to protect your contracting business.
Experience


We conduct detailed reviews of your contracts to assess IR35 status, considering factors like control, substitution, and mutuality of obligation. Our assessments provide written determinations to defend against HMRC challenges.
Staying updated with IR35 legislation and case law, we ensure accuracy and explain implications in plain English. This helps you understand tax obligations and make informed decisions for your contracting work.
Experience
Our comprehensive IR35 assessment package covers everything for compliance and peace of mind:
Thorough review of all contracts and working practices for accurate status determination
Written IR35 determination statement with clear rationale and evidence
Advice on contract amendments to achieve or maintain outside IR35 status
Ongoing support for IR35 queries, updates, and HMRC correspondence
Integration with cloud accounting systems for seamless compliance tracking
Experience

Experience

We specialize in contractor services with a focus on automation and international tax, unlike general accountants. Our IR35 assessments are backed by certified expertise and real-time availability, ensuring you get reliable advice when needed.
As a UKAN member, we offer government-backed expansion support and have a global network for international compliance. Our partnership approach means we're committed to your growth and long-term compliance success in Southampton.
Experience
Experience

“Sash has been extremely knowledgeable and reliable from when I first met him regarding helping me with my accounts as a director of a limited company for the first time. He has provided me with sound advice and helped me to understand the ins and outs of timely and successful accounting and made it easy."
Adam Garnett
We build growth-focused partnerships with every client, offering hands-on guidance through business transitions and tax complexities. Your dedicated accountant provides proactive advice when you need it most.
Clients value our availability and expertise, telling us they finally understand their numbers and feel confident expanding globally. That's the impact of innovative, responsive accountancy.
Let's Connect
Call us at +44 7795 226823 or email [email protected] anytime. We're available outside normal hours for real-time assistance. Use our contact form for quick follow-ups, and we'll reply promptly.
Start with a free, no-obligation consultation to explore your options. We'll discuss your business needs, share insights on automation or tax savings, and outline how we can partner for growth. It's easy and straightforward to take the first step.
Common questions about IR35 assessment in Southampton:
Our IR35 assessment services are tailored to your contract complexity, with competitive rates and fixed quotes after consultation. Contact us for a personalized estimate based on your specific needs.
IR35 assessment determines employment status for tax purposes. Incorrect status can lead to significant tax liabilities and HMRC penalties. A proper assessment ensures compliance and protects your contracting income.
Yes, we review your situation, advise on appeals, and help amend contracts to achieve outside IR35 status where possible. Our expertise supports you in challenging incorrect assessments effectively.
We aim for initial assessments within a few days, depending on complexity. With availability 7 days a week, we prioritize urgent queries and provide real-time support throughout the process.

Business Accounting and Tax Ltd provides automation-focused accounting, tax, and international services for small to medium businesses in Southampton and beyond. Contact us for a free consultation to grow your business.
73 Holly Hill, Southampton, SO16 7ES, Hampshire, United Kingdom
+447795226823
Business Accounting & Tax Ltd is a Limited Company with Registered Company Number 07894977
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