Accountancy that saves you time, money and energy
Trusted accountancy services delivering practical financial solutions and HMRC compliance without the complexity.
Focus on growing your business, not on paperwork
We handle your financial compliance, tax efficiency, and business insights—giving you back the time to focus on what matters.
Proactive tax planning, not reactive filing
We look ahead to identify tax efficiencies and savings that most businesses miss.
Your business goals drive our approach
We tailor our accountancy services to meet your specific business objectives, whether that's growth, efficiency, or work-life balance.
Clear advice without the accountancy jargon
You'll always get straightforward guidance that you can actually implement, with no time wasted on unnecessary complexity.
Modern cloud accounting as standard
Our digital systems give you real-time financial visibility and ensure you're ready for all compliance requirements.
Trusted by businesses like yours
Here's what our clients say about working with Thames Williams
“We switched from a traditional accountant and never looked back. Thames Williams modernised our systems, saving time, money, and hassle.”
“Kunal and Thames Williams helped us navigate the pandemic, giving the right advice at the right time. We’ve not just survived—we’ve grown.”
“Genuine support, expert advice, and a hands-on approach. Thames Williams has freed us to focus on growing our business with confidence.”
Your business deserves more than just numbers
Modern businesses need modern solutions. We combine deep financial expertise with cutting-edge technology to deliver services that go beyond traditional accounting.
Whether you're scaling up or just starting out, our comprehensive suite of services adapts to your unique needs, giving you the insights and support to make confident decisions.
Accounts
Instead of worrying about your accounts, or losing hours in managing them, let us turn them into the ultimate management decision-making tool.
Payroll
This is the kind of work no entrepreneur should be doing themselves - their time is too valuable. From salary to pension deductions, we'll get it sorted.
Tax returns
Make the tax system work for you with smart application of reliefs and allowances, and no time wasted on form filling or debates with HMRC.
Advisory
Sometimes, you just want a straight answer, or perhaps to be asked the right question. Our business advice will give you the confidence to grow.
Trusted by entrepreneurs, startups and SMEs since 2015
We support businesses across diverse sectors throughout the UK, from tech startups to established professional services. Our clients choose us because they want accountants who provide tailored, proactive support for growth.
Common questions
Everything you need to know about working with us
Ready for accountancy that actually adds value?
Book a no-obligation consultation to see how we can help your business save tax, time and stress.