4.9 out of 5 Stars On Google from 70+ Happy Clients
Accountants in Southampton for Small and Medium Business Growth
Accountants in Southampton who automate your finances and provide international tax expertise. We help owner-managed businesses save time, reduce costs, and expand globally with 16-hour daily availability. Get real-time answers tailored to your needs.
New Client Accounting Offer: First 3 Months at Half Price
Our new client accounting offer gives you 50% off your first three months of accounting services. This includes full support from day one.
This offer is available until 31st March 2026 and limited to 15 new clients in Southampton. We cap intake to ensure personalized attention for every business.
Start automating your finances and saving on tax from your first month
What You Get:
With this offer, you receive complete accounting support designed to save time and money:
Cloud accounting setup and automation in 48 hours
Tax planning to maximize your take-home pay
Dedicated accountant available 7 days a week
International tax advice if expanding overseas
All compliance filings and returns included
Claim Your 50% Discount
Schedule a free 20-minute consultation to see if we're the right fit. No obligation, and if we can't help, we'll point you in the right direction.
After booking, you'll get a confirmation with a short questionnaire. This helps us prepare tailored advice for our call.
What We Offer
Choose From Our Range of Services
Why Choose Us
Why Choose Business Accounting and Tax Ltd
We automate business processes to save you hours each month and offer support 7 days a week, 16 hours daily. Our international network ensures seamless tax and compliance services across borders.
As government-backed UKAN members, we provide whole-business reviews that cut costs and maximize profits. Clients partner with us for innovative solutions that drive growth in UK and international markets.
10th
Experience
Articles
Expert Insights for UK and International Business Owners
Our articles cover tax updates, automation tips, and international expansion advice for Southampton businesses. Written in plain English to help you make informed financial decisions and stay compliant.
IR35 | Business At
IR35 rules have shifted over 130,000 workers' tax status since 2021. Learn key compliance facts and financial impacts to protect your business from penalties. ...more
February 20, 2026•undefined
What is a Sole Trader | Business At
What is a sole trader? Learn the definition, tax obligations, and new Making Tax Digital rules affecting 864,000 UK sole traders. Get compliance tips from Southampton accountants. ...more
February 19, 2026•undefined
Umbrella Company | Business At
Umbrella company rules change from 6 April 2026. Learn new PAYE responsibilities and compliance steps for UK businesses. Get expert advice from Business At. ...more
February 18, 2026•undefined
Calculate Take Home Pay | Business At
Calculate take home pay using current tax rates and thresholds. Learn how to estimate your net salary, understand deductions, and avoid common errors. Essential guide for UK employees and business own... ...more
February 17, 2026•undefined
What Is Capital Gains Tax | Business Accounting and Tax Limited
What is capital gains tax? Learn about CGT rates for 2026, key assets, exemptions, and reporting rules. Essential reading for UK business owners. ...more
February 16, 2026•undefined
Pay Calculator | Business At
Pay calculator helps UK businesses ensure tax compliance and avoid payroll mistakes. Learn how to use it effectively for the 2026-27 tax year with expert advice from Southampton accountants. ...more
February 14, 2026•undefined
“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.
Stay up to Date on Business & UK Finance
Worried you'll fall behind with what HMRC is up to? Never miss another change that affects your business again, by subscribing to our monthly newsletter.
Our Partners
In Collaboration With
We are proud Certified Chartered Accountants, QuickBooks Certified, and UK Advisory Network members. These accreditations ensure your accounts meet high standards with access to cutting-edge tools and government-backed support.
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.
Core Pages
Information
Address
73 Holly Hill, Southampton, SO16 7ES, Hampshire, United Kingdom
Call Us
+447795226823
Business Accounting & Tax Ltd is a limited company registered in England and Wales with Registered Company Number 07894977
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