Flawless Bookkeeping For London's Ambitious Businesses
Take the stress out of accounting. From daily ledger management and VAT returns to full payroll and Making Tax Digital (MTD) compliance.
Calculate Your Estimate
Select your company setup to view indicative pricing instantly.
Certified Partners & Integrated Software Tiers
Everything You Need To Stay 100% Compliant
We handle the paperwork and HMRC filings so you can focus entirely on scaling your business in London.
Day-to-Day Bookkeeping
Complete reconciliation of your bank feeds, sales invoices, expense receipts, and supplier ledgers using automated cloud software.
VAT Returns & MTD
Preparation and submission of monthly or quarterly VAT returns under Making Tax Digital compliance, ensuring you never face late penalties.
Payroll & CIS Processing
Executive payroll management, PAYE RTI submissions, auto-enrolment workplace pensions, and Construction Industry Scheme compliance.
Serving Innovators Across Greater London
From bustling tech startups in Shoreditch and retail boutiques in Soho, to established consultancies in the City of London and Canary Wharf. We understand the high-speed dynamics of London's business environment.
City of London
Corporate ledger management, executive payroll & advisory.
Canary Wharf
Financial services bookkeeping and complex VAT reconciliations.
Shoreditch & Soho
Cloud accounting setup, app integrations & e-commerce support.
West End
Hospitality, retail tracking, daily cash & CIS schemes.
What London Business Owners Say
We pride ourselves on transparent communication, accuracy, and absolute dependability.
"Thames Bookkeeping completely rescued our accounts after our previous accountant let us down right before our VAT return deadline. They migrated us to Xero smoothly and saved us over £3,000 in potential penalties."
Alistair Hayes
Founder, FinTech Horizon London
"As a fast-growing restaurant group in Soho, our daily transaction volume is immense. Thames manages our entire Dext & QuickBooks workflow effortlessly. We finally have clarity on our real-time cashflow."
Maria Portolano
Director, Bella Cucina Holdings
"The monthly management reports and transparent package pricing give us complete peace of mind. Thames Bookkeeping operates exactly like our internal finance team but at a fraction of the full-time payroll cost."
Daniel Bennett
Managing Partner, Kensal Media
Our Bookkeeping & Accounting Services
Tailored financial administration designed to maintain absolute compliance with HMRC while providing actionable clarity on your company growth.
Complete Day-to-Day Bookkeeping
Maintaining accurate financial ledgers is the foundation of any successful business. We handle your entire receipt processing, bank feed reconciliation, sales ledger management, and supplier invoice tracking. By categorizing every single penny, we ensure your year-end tax returns are seamless.
- Daily & Weekly Bank Reconciliations
- Accounts Payable & Receivable
- Multi-Currency Reconciliation
- Expense & Receipt Digital Capture
Cloud Tools We Use
We utilize AI-assisted OCR scanning tools like Dext and AutoEntry to eliminate manual data entry entirely.
Get Bookkeeping QuoteVAT Returns & Making Tax Digital (MTD)
Navigating UK Value Added Tax rules can be complex and costly if handled incorrectly. We determine the optimal VAT scheme for your business (Standard, Cash Accounting, or Flat Rate), prepare your quarterly returns, and submit them directly to HMRC via MTD-compatible software.
- VAT Registration & Deregistration
- MTD Compliant Bridging & Filings
- EU & International VAT Treatment
- HMRC Inquiry Representation
Never Miss a Filing
We track your VAT periods and send you proactive notifications 30 days before your tax liabilities are due.
Request VAT ReviewExecutive Payroll & Workplace Pensions
Ensure your staff and directors are paid accurately and on time while maintaining strict compliance with PAYE Real Time Information (RTI) regulations. We also administer mandatory auto-enrolment workplace pension schemes from start to finish.
- Weekly, Fortnightly & Monthly Payroll
- Payslip Generation & Employee Portal
- NEST & Smart Pension Auto-Enrolment
- P45, P60 & P11D Preparation
CIS Scheme Support
Are you in construction? We handle monthly CIS verifications, deductions, and statements for contractors and subcontractors.
Outsource PayrollManagement Accounts & Cashflow Advisory
Don't wait until the end of the fiscal year to understand how your business is performing. We provide custom monthly or quarterly management dashboards detailing profit and loss, balance sheets, aged debtors, and operational cashflow forecasts.
- Custom Profit & Loss Analytics
- Budget vs Actual Variance Tracking
- 12-Month Cashflow Runway Modeling
- Pre-Audit Preparation for Limited Cos
Cloud Accountancy Setup
Looking to migrate from spreadsheets or legacy desktop software? We provide full onboarding onto Xero or QuickBooks.
Book Strategy CallLondon's Trusted Accountancy Partner
Founded in the heart of London, Thames Bookkeeping was built on a singular vision: to provide premium, uncompromising financial accuracy for modern growing enterprises.
Excellence, Transparency, and Absolute Dependability
Accounting in London is not just about logging numbers; it's about strategic compliance in one of the world's most dynamic economic capitals. Our founders saw that small and medium-sized businesses were routinely underserved by traditional, slow-moving accounting firms charging opaque hourly rates.
By combining AAT-certified expertise with powerful cloud automation tools, we deliver real-time financial clarity. Whether you are seeking venture capital investment or simply trying to optimize your tax position, our team operates as an extension of your company.
AAT Certified
Regulated accounting professionals adhering to high ethical codes.
ICO Registered
Strict adherence to data protection and financial confidentiality.
Why London Businesses Choose Us
Fixed Monthly Billing
No surprise invoices or hourly billing traps. You know exactly what you invest every month.
Proactive Tax Planning
We don't just record the past; we advise you on optimal dividend strategies and capital allowances.
London-Based Team
We never outsource your sensitive financial data overseas. All operations are managed from our City of London office.
Meet Our Certified Leadership Team
Dedicated accounting professionals committed to your financial success.
Edward Ricketts
Managing Director • MAAT
15+ years experience advising London limited companies and corporate structuring.
Claire Sinclair
Head of Bookkeeping • Xero Certified
Specialist in digital cloud migrations, Dext workflows, and e-commerce reconciliations.
Marcus Walker
Senior Payroll & CIS Manager
Expert in complex PAYE RTI submissions, workplace pensions, and construction schemes.
Natasha Patel
VAT Specialist • ATT
Making Tax Digital advisor ensuring flawless quarterly VAT returns and HMRC representation.
Fixed Monthly Packages
No hidden fees or unexpected invoices. Select the package that aligns perfectly with your business scale and transaction volume.
Essential Ledger
Perfect for solo contractors, freelancers, and growing sole traders.
- Up to 50 Transactions/mo
- Dedicated Cloud Software (Xero)
- Receipt Capture App Included
- Annual Self-Assessment Prep
- VAT Return Submissions
- Payroll Processing
Growth Compliance
Designed for active London limited companies requiring full HMRC compliance.
- Up to 250 Transactions/mo
- Xero or QuickBooks Included
- Quarterly VAT Returns (MTD)
- Payroll for up to 5 Employees
- Monthly Management Dashboard
- Priority London Phone Support
Corporate Finance
Complete outsourced financial operations for established London companies.
- Unlimited Monthly Transactions
- Multi-Currency Reconciliations
- Complex VAT & CIS Processing
- Full Payroll & Pensions (Up to 25 staff)
- Quarterly Cashflow Runway Models
- Dedicated Client Director
Need a bespoke accounting package?
We provide tailored add-ons including R&D tax credit calculations, catch-up bookkeeping, and legacy software cleanups.
Contact Thames Bookkeeping
Book a free, no-obligation consultation with our London accounting team or visit our central office.
Send Us A Message
Office Location & Contact Details
Our primary administrative office is situated right in the City of London, making us easily accessible for face-to-face consultations.
Frequently Asked Questions
How quickly can you switch us from our current accountant?
We manage the professional clearance letter entirely. The handover process takes less than 48 hours with zero disruption to your business.
Do I need to be based in London?
While our office and core expertise are in London, our 100% cloud-based infrastructure allows us to serve limited companies across the entire UK.
Are your prices truly fixed?
Yes. Once agreed, your monthly package fee remains strictly fixed unless your business transaction volume scales into a higher tier.