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The name

Six letters. One promise.

Trust

We earn it the slow way: deadlines met, plain answers, nothing hidden. Everything we do on your behalf, you can see and understand.

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Xero Bronze Partner Xero L2 Certified Professional Xero Payroll Specialist Xero Tax Specialist

Say it right

TVNDEM — said like “tandem”

/ˈtandəm/

A tandem is built for two people pulling together, in time, toward the same place. That's the idea: your business up front setting the direction, us behind keeping the numbers moving — the same rhythm, the same destination.

About us

An accountancy firm that acts like a product.

A business owner working late reviewing figures on screen

TVNDEM Advisory started with a small frustration that turned out to be universal: business owners rarely know what their accountant is doing, what it will cost, or when it will be finished. The work itself is usually fine. The experience around it is stuck in 2004.

So we built the firm the other way around. One monthly fee that covers the work. Deadlines tracked by us, not remembered by you. Your books in Xero, included in every plan. And a real person who knows your business on the other end of an email.

We're a UK firm, supervised for Anti-Money Laundering purposes and registered with the ICO, and every filing we make on your behalf is submitted in the UK by UK-supervised agents. We look after sole traders filing their first micro-entity accounts and established companies running payroll for a full team — and we charge both of them a price they could have worked out before they got in touch.

No hourly billing. No chasing. No jargon.

Fixed, not hourly

The clock isn't running. Ask the awkward question, twice if you like — the price doesn't move.

Deadlines are our problem

We tell you what we need, well before HMRC or Companies House expect it. You never get a surprise letter.

Plain English

If we can't explain it without jargon, we haven't understood it well enough yet.