Stress-Free Accounting & Tax Solutions for Growing Businesses
TAX . Accounting . CF0
CPA services for startups
Keep up to 85% of what you earn. Legally.
Tax and accounting shouldn't be a source of stress. At Cassiobury Accountants, we handle the numbers so you can focus entirely on growing your business. From straightforward self-assessments to comprehensive year-end accounts and fractional CFO insights, we deliver proactive tax advice and fast responses whenever you need us—ensuring you pay only what you owe and keep more of your hard-earned profit.
What we do
One partner for every stage
of your finance function.
01
Self Assessment & Personal Tax
We take the headache out of self-assessment tax returns. We check every allowable expense, minimize your liabilities, and file accurately with HMRC long before the deadline.
01
Annual Accounts & Corporation Tax
Complete year-end financial accounting for limited companies. We prepare full statutory accounts and corporation tax returns directly for Companies House and HMRC submission.
01
Outsourced Accounting
Your complete back office — bookkeeping, monthly close, reconciliations, payroll, and financial statements you can actually run the business on.
01
Outsourced Accounting
Your complete back office — bookkeeping, monthly close, reconciliations, payroll, and financial statements you can actually run the business on.
01
Outsourced Accounting
Your complete back office — bookkeeping, monthly close, reconciliations, payroll, and financial statements you can actually run the business on.
01
Outsourced Accounting
Your complete back office — bookkeeping, monthly close, reconciliations, payroll, and financial statements you can actually run the business on.
01
Outsourced Accounting
Your complete back office — bookkeeping, monthly close, reconciliations, payroll, and financial statements you can actually run the business on.
01
Outsourced Accounting
Your complete back office — bookkeeping, monthly close, reconciliations, payroll, and financial statements you can actually run the business on.
5.0 stars by our loyal customers
“We’re incredibly grateful for his support and highly recommend him to anyone dealing with flatmate or tenancy issues. Thank you, Amit, for being a reliable and steady presence when we needed it most!”
— Saurabh Kapoor“Highly recommend Amit to anyone needing accounting services - he's not only brilliant at what he does, but also plants a forest with each review (how awesome is that?! 🌳).”
— Shaun Lordan“To say Amit is a lifesaver would be an understatement. I’m blind and got into a huge muddle, getting fines and all sorts. Anit gave me such peace of mind i can finally concentrate on my charitable work!! Thank you”
— Ryan WhiteOur Articles
Reliable Bookkeeping Expertise
You deserve an accounting partner who treats your business like their own. Combining cloud-based automation with personalized expertise, our team ensures your books are accurate, up to date, and audit-ready—giving you total peace of mind at every stage of your growth.
Let's Connect
Complete the inquiry form to outline objectives, timelines, and challenges so that a tailored engagement proposal can be prepared promptly.

