Chartered Certified Accountants in London
Practical accountancy, tax and advisory support for UK businesses, contractors, subcontractors and individuals.
Tailored support for every stage of your business journey
Quick access to the support many clients ask for first.
We are available!
Speak with SONA Accounting & Advisory Ltd for clear advice, practical next steps and responsive support.
Message UsLimited company
The ideal structure for a growing business. We can help you set up and run your limited company correctly from day one.
I want to startSelf-employed
Get registered correctly and stay on top of your annual tax return with practical support from experienced accountants.
I want to registerWhy Choose Us
An accounting firm you can truly rely on.
Direct Partner Access
Work directly with a senior accountant who understands your finances and can guide your business with authority and precision.
100% Client Satisfaction
We treat every client as an individual, taking time to understand your goals and deliver support that genuinely adds value.
Prompt, Responsive Service
No unnecessary delays. We respond quickly because your time and your peace of mind matter.
Your Business, Good Hands
From compliance to planning, your accounts, tax and strategy are handled with care and experience.


About SONA Accounting & Advisory Ltd
Accounting services tailored for sole traders, SMEs, established companies, and high-growth enterprises
From compliance and VAT to strategic advisory, we scale with your business ambitions
Limited Company Accounts
Keep your limited company compliant with accurate accounts and practical support all year round.
Corporation Tax Returns
Stay on top of corporation tax with accurate returns and clear advice around liabilities and deadlines.
Self-Employed Accounts and Tax Returns
From bookkeeping to Self Assessment, get dependable support tailored to self-employed businesses.
Personal Tax Returns
Reduce stress around personal tax compliance with organised support and timely filing.
Bookkeeping
Keep your books accurate and decision-ready throughout the year with practical bookkeeping support.
VAT Returns
Stay on top of VAT deadlines, filings and records with dependable support tailored to your business.
Payroll & PAYE
From one employee to a growing team, we handle payroll accurately and professionally.
CIS Returns
Get reliable support with CIS returns, subcontractor administration and construction-sector compliance.
Business Startup Support
Launch with more confidence through practical support on setup, registrations and early planning.
Company Formation
Set up your limited company properly with practical support around incorporation and first steps.
Business Advisory
Use forward-looking advice to improve profitability, planning and control.
Changing Accountants
Switch accountants with confidence and let us handle the handover professionally.
Construction Industry Scheme (CIS) Services
We make it easy for construction professionals to stay on top of their obligations—so you can focus on running your business. We understand the unique challenges of working under CIS rules.
VAT Returns and HMRC Correspondence
Get practical support with VAT returns, HMRC communication and construction-specific issues.
Limited Company Accounts & Corporation Tax
From annual accounts to corporation tax, keep your construction company compliant and better informed.
Subcontractor Verification & Deduction Statements
Manage subcontractor onboarding and deduction reporting with more confidence and less admin.
From compliance pressure to confident progress
Get practical advice, responsive support and a proactive accountant who genuinely understands where you want your business to go.
Verify NowSONA works in partnership with London Do It.
Frequently Asked Questions
Yes. We offer a free initial consultation and can arrange it by phone, video call or in person by appointment.
No. We work on clear fixed-fee terms and tailor support to your needs without unnecessary lock-ins.
In most cases the switch is straightforward. Once you appoint us, we contact your existing accountant, request professional clearance and manage the handover for you.
We focus on efficient systems, practical advice and services that add value, so you are not paying for unnecessary work or avoidable delays.
That is normal. Simply let them know you are reviewing your options. If you choose to move to us, we will handle the formal process professionally.
Both. We can provide fixed packages for common needs and bespoke support where your business needs something more tailored.
Usually we need basic business details, recent accounts or tax returns, HMRC references and access to any software you currently use.
Not at all. We support clients across the UK using secure cloud software, phone, email and video meetings. Our office at Tower Court, Foxberry Road,, London SE4 2SY is available by appointment where needed.
