4.9 out of 5 Stars On Google out of 72+ Customers

IR35 Assessment Southampton

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

IR35 Assessment Southampton

Our Accreditations

Associated of Chartered Certified Accountants

Expert IR35 Contract Reviews

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.

10th

Experience

Clear, Transparent Pricing

Business Accounting & Tax Ltd

Expert, Tailored Advice

What's Included in Our IR35 Assessment Service

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

10th

Experience

10th

Experience

Why Southampton Contractors Trust Business At

Why Southampton Contractors Trust Business At

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.

10th

Experience

10th

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

Testimonials

What Our Customers Say

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

Get In Touch With Us

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.

Still Not Sure?

Frequently Asked Questions

Common questions about IR35 assessment in Southampton:

How much does an IR35 assessment cost 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.

Why is IR35 assessment important for contractors?

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.

Can you help if I've been incorrectly assessed inside IR35?

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.

How quickly can you complete an IR35 assessment?

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 & Tax Ltd

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.

Image

Address

73 Holly Hill, Southampton, SO16 7ES, Hampshire, United Kingdom

Image

Call Us

+447795226823

Business Accounting & Tax Ltd is a Limited Company with Registered Company Number 07894977

© 2026 Business Accounting & Tax Ltd | Website by Fiscal Flow