
IR35 Assessment Winchester is essential for contractors and freelancers to navigate UK tax legislation and maintain compliance. At Business At, we provide detailed IR35 assessments to determine your employment status, prevent tax penalties, and optimize your tax position. Our services are tailored for contractors in Winchester and across Hampshire.
We are Certified Chartered Accountants with expertise in contractor tax and automation-focused solutions. You'll benefit from our out-of-hours availability—7 days a week, 16 hours daily—and get real-time answers to your IR35 queries. We focus on whole business reviews to save you tax and reduce costs.
Experience


IR35 rules can be complex, and misclassification leads to significant tax penalties and back payments. Our Winchester-based team conducts thorough contract reviews and status assessments to ensure you comply with HMRC requirements.
We analyze your working practices, contracts, and business structure to provide a clear IR35 determination. This proactive approach helps you avoid disputes, reduce tax liabilities, and focus on your contracting work with confidence.
Experience
Our comprehensive IR35 assessment package covers all aspects needed for contractor compliance in Winchester:
Detailed contract review to assess IR35 status and identify risk areas
Written IR35 determination report with clear explanations and recommendations
Advice on contract adjustments to maintain outside IR35 status if applicable
Guidance on working practices to align with HMRC guidelines
Ongoing support for IR35 changes and updates, with same-day response to queries
Experience

Experience

We specialize in contractor services with an automation-focused approach, saving you time and money. Unlike general accountants, we understand IR35 intricacies and provide tailored advice for limited companies and freelancers in Winchester.
As Certified Chartered Accountants and UKAN members, we offer international tax expertise and government-backed support. Our clients benefit from fixed fees, proactive planning, and a partnership model that grows with their business.
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 assessments in Winchester:
An IR35 assessment determines if you're employed or self-employed for tax purposes. In Winchester, contractors need it to avoid HMRC penalties, ensure correct tax payments, and optimize their tax position. We provide clear assessments to keep you compliant.
Our IR35 assessments start from a fixed fee, with no hidden costs. We offer packages that include contract reviews and ongoing support. Contact us for a personalized quote based on your specific needs in Winchester.
Yes, we assist with HMRC investigations, providing evidence and representation to defend your status. Our expertise in contractor tax and compliance helps resolve disputes efficiently and minimize disruptions.
We typically complete assessments within a few days, depending on contract complexity. With our out-of-hours availability, we offer prompt service to Winchester contractors, ensuring you get timely advice.

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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