Certified Xero advisors · London, serving UK-wide

Your finances, handled seamlessly.

No more chasing receipts, missed deadlines, or surprise tax bills. We handle your bookkeeping, payroll, VAT and accounts — accurately, on time, at a fixed fee agreed upfront.

Book online or call for a no-obligation consultation.

Certified Xero Advisor

FreeAgent Accredited

Making Tax Digital Ready

Based in London, serving UK-wide

Our Services

From day-to-day bookkeeping to complex compliance, we're your complete financial back-office — everything your business needs to stay compliant and in control, handled by one team.

  • Bookkeeping

    Real-time cloud records in Xero, QuickBooks, Tally or Sage — always up to date and MTD-ready.

  • Payroll

    Salaries, deductions, RTI and auto-enrolment — your team paid right, every time.

  • VAT Returns

    Prepared, filed and MTD-compliant — on the right VAT scheme for your business.

  • Year-end Accounts

    Annual accounts and company tax returns, filed on time — no last-minute scramble.

  • Management Accounts

    Monthly P&L, balance sheets and KPIs that show how your business is really doing.

  • Cash Flow Management

    Forecast and control your cash so you always know what's coming in and going out.

  • Company Formation

    The right structure, registered with Companies House and set up right from day one.

  • CIS — Construction

    CIS registration, monthly returns and deduction statements for the construction trade.

  • EU VAT Registration

    VAT registration and ongoing returns across the EU, identified and managed for you.

  • Software Migration

    Move off desktop software or spreadsheets to Xero — cleanly, with nothing lost.

  • Software Training

    Personalised Xero training so you and your team work with confidence.

Why Seamless?

We're not a faceless accountancy firm. We're a small, specialist team who limit the number of clients we take on — so you always get the attention your business deserves.

Accredited Experts

Certified Xero advisors, FreeAgent accredited and Tally certified — the qualifications that matter, across the software your business actually uses. We do the work ourselves; nothing gets handed off.

One Contact. Always Reachable.

You get a single person who knows your business — picks up the phone, replies the same day. No call centres, no rotating cast of juniors, no starting from scratch every time you need something.

Fixed Fees — Always

Every engagement starts with a clear, agreed fee. You'll always know exactly what you're paying and why — no hidden charges, no end-of-month surprises.

Business Partner, Not Just Bookkeeper

Bookkeeping is just the start. Many of our clients value the weekly calls where we review their numbers together, talk through decisions, and help plan for what's coming.

5+ Years — our average client relationship
25+ Years of bookkeeping & accountancy experience
Free First consultation — no obligation, no pressure, no jargon

What Our Clients Say

“Seamless took over our bookkeeping and payroll when we had three months of backlog and an HMRC deadline looming. They sorted it within a week, kept us fully informed, and we haven't worried about our accounts since. Genuinely exceptional service.”
James R. Director, Construction SME · London

“We switched to Seamless after our previous accountant kept missing deadlines. The difference is night and day — fixed monthly fee, a dedicated contact who actually picks up the phone, and management accounts that finally make sense to us.”
Priya S. Solicitor

“As a sole trader moving to a limited company, I had no idea where to start. Seamless handled the formation, set up Xero, trained me to use it, and now do my VAT and year-end. Everything is seamless — exactly as the name promises.”
Michael T. Freelance Photographer · UK-wide

Ready to Take the Next Step?

Whether you're switching bookkeepers or getting your books in order for the first time, we make moving to us simple and stress-free. Book online or call — whichever suits you.

Get in Touch

Send us a few details and we'll get back to you — usually the same day.

Your details are kept strictly confidential — we never share your information, and we don't send spam.