Accountancy that saves you time, money and energy
Straightforward accountancy and tax support for owner-managed businesses. Accurate work, clear advice and the right level of support for your business.
Accounts, tax and payroll taken care of. Advice when you need it.
From annual accounts and tax returns to payroll and business advice, we take care of the financial work your business needs to stay compliant and organised.
When you need more than compliance, we can also help you understand the numbers, plan ahead and make better-informed decisions.
Accounts
Annual accounts prepared accurately, with management reporting available where you need a clearer view of performance.
Payroll
PAYE, pensions, payslips and HMRC reporting handled accurately and on schedule.
Tax returns
Personal and company tax returns prepared accurately, with relevant reliefs and allowances considered and your filing obligations kept on track.
Advisory
Practical business and tax advice to help you understand your position, plan ahead and make informed decisions.
Focus on running your business
Your accountant should make running your business easier. We take care of the work we're responsible for, keep the process clear and make sure you know what we need from you.
Accurate work, carefully handled
Attention to detail matters when you're dealing with accounts, tax and HMRC. We approach the work carefully and raise questions when something does not make sense.
Clear fees from the start
You'll know what your service includes and what you're paying before we begin. If something falls outside the agreed work, we'll tell you before carrying out anything additional.
Straight answers
We explain what matters, what it means and what you need to do next in plain English.
Support that can grow with you
Start with the accounting and compliance support you need today. If your business later needs reporting, forecasting, tax planning or more regular advice, we can support that too.
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.”
Based in Birmingham, working with businesses across the UK
We work with owner-managed businesses across a wide range of sectors, with particular experience in professional services and eCommerce.
Whether you're starting out, growing or simply want a more straightforward relationship with your accountant, we'll help you understand what support you actually need.
Common questions
Everything you need to know about working with us
Ready to see if we're a good fit?
Tell us a little about your business and book a call to discuss what you need.