
CIS accountants in Southampton at Business Accounting and Tax Limited provide expert Construction Industry Scheme support for contractors, ensuring compliance, accurate tax returns, and maximized take-home pay. We specialize in the unique needs of construction industry professionals across Southampton.
With certified chartered accountants and a focus on automation, we handle your CIS registrations, deductions, and year-end filings efficiently. Our out-of-hours availability means real-time answers when you need them, tailored to your contractor workflow.
Experience


The Construction Industry Scheme has specific rules for deductions, registrations, and filings that general accountants often miss. We ensure your CIS compliance is seamless, avoiding penalties and optimizing your tax position.
Our automation tools streamline CIS paperwork, from monthly returns to year-end reconciliations. You'll save time on admin and gain clarity on your tax liabilities, with proactive advice on allowable expenses and deductions.
Experience
Let us take care of the hard work — so you can enjoy the rewards of a successful career.
We assist you in planning for a successful , fulfilling and prosperous future.
Our comprehensive CIS package covers everything contractors need to stay compliant and financially efficient:
CIS registration and verification with HMRC to ensure correct status
Monthly CIS returns and deduction statements filed accurately and on time
Year-end tax returns incorporating CIS deductions and other income
Advice on CIS allowable expenses and optimal payment structures
Unlimited support with same-day responses, available outside normal hours
Experience

Experience

Unlike general accountants, we combine CIS expertise with automation and out-of-hours availability. We've helped numerous contractors navigate HMRC audits and optimize their finances through cloud accounting and proactive planning.
As certified chartered accountants and UKAN members, we offer fixed-fee packages, international tax support if needed, and a partnership approach. Our Southampton clients benefit from reduced costs and enhanced cashflow, with growth-focused advice.
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 CIS accounting from Southampton contractors:
CIS stands for Construction Industry Scheme, a UK tax scheme for contractors in construction. Specialist CIS accountants understand deduction rates, registration requirements, and compliance nuances that general accountants might overlook, helping you avoid penalties and save tax.
Our CIS packages start from competitive fixed monthly fees, including all compliance filings and support. Costs vary based on your turnover and complexity, but we provide transparent pricing with no hidden charges, tailored to your specific needs.
Yes, our international network and UKAN membership allow us to support contractors with cross-border income or plans to expand overseas. We integrate CIS compliance with broader tax planning for seamless multi-jurisdiction management.
We typically process CIS registrations within 48 hours and ensure monthly returns are filed on time. With our automation tools and out-of-hours availability, you'll get efficient service that fits your construction schedule.

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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