Corporation tax returns in Clerkenwell — from £199, fixed.
Your CT600 prepared and filed by online accountants who check every relief first — capital allowances, losses, marginal relief. Fixed fee, agreed up front, for companies across Clerkenwell and North London including Farringdon, Barbican, Smithfield.
Corporation Tax for Clerkenwell — done properly, entirely online
Limited companies in Clerkenwell of every size — especially companies whose profits sit between £50,000 and £250,000, where marginal relief makes the calculation genuinely easy to get wrong.
What's included
- Corporation tax computation from your accounts
- Every relief you're entitled to — capital allowances, losses, AIA
- CT600 filed with HMRC with iXBRL-tagged accounts
- Clear payment instructions — how much, when, and to where
- Marginal relief calculated correctly between the 19% and 25% bands
Why Clerkenwell businesses pick Bohzo
Your fee is agreed before any work starts and never changes mid-job. No hourly billing, ever.
We track every HMRC and Companies House date that applies to you, so you don't have to.
Bohzo Accountants trades as Bohzo Ltd, registered in the UK under Company No. 15031604 — check us on Companies House any time.
Records in over the portal or WhatsApp, approvals from your phone, filings sent electronically — Clerkenwell to HMRC without a single appointment.
Compare our fixed corporation tax fees
| Your situation | Fixed fee |
|---|---|
| CT600 with accounts prepared by us | included in accounts packages |
| Standalone CT600 from your accounts | £199 |
| CT600 with capital allowances review | £299 |
| Overdue CT600 rescue | £279 |
“From” pricing reflects the simplest case; anything more complex is quoted as a fixed fee in writing before work begins — and never changes after.
Online accountants vs the high street
Most local firms near Clerkenwell quote low, bill by the hour and reserve the right to charge for every phone call. Our model inverts that: the fee is fixed and written down before work begins, questions are part of the service rather than billable events, and everything happens online — the reason Clerkenwell pays the same as everywhere else.
There's no office to fund in Clerkenwell and no office to visit: records travel through our secure portal or WhatsApp, approvals happen on your phone, and filings go to HMRC and Companies House electronically. You get the same qualified work — minus the overheads, the travel and the surprises on the invoice.
Corporation Tax in Clerkenwell: from first message to filed
A WhatsApp message from Clerkenwell is enough to start: what you need, what shape your records are in, any deadline you're worried about.
The quote arrives in writing, covers everything discussed, and is the number you'll actually pay. No revisions later.
Identity checks, engagement letter, secure record upload — all handled from wherever you are in Clerkenwell. We chase whatever's missing.
Nothing is filed until you've seen and approved it. Once you have, submission is electronic and confirmation comes straight back.
The same service in Clerkenwell as anywhere — by design
Whether your business trades from Clerkenwell itself or you simply live there and work everywhere, the tax rules are national — and so are we. Clerkenwell clients get the same preparers, the same fixed fees and the same deadline tracking as every other town on this site.
Being in London, Clerkenwell clients often come to us comparing against firms charging central-London rates for the same compliance work. The work is identical; the overheads aren't — and since we carry no premises anywhere, our fees don't care about postcodes.
Where we work around Clerkenwell
Clerkenwell sits in the borough of Islington (Clerkenwell ward), EC1R postcode area. If you're comparing local options from Clerkenwell, it helps to see the map the way we do — one service area, no travel involved.
| Nearby | Distance from Clerkenwell | Direction |
|---|---|---|
| Farringdon | 0.3 miles | south |
| Barbican | 0.4 miles | south-east |
| Smithfield | 0.4 miles | south |
| Kenton West | 0.4 miles | south-east |
| Holborn | 0.4 miles | south-west |
Distances are straight-line, between place centres. Every listed place — and everywhere between — is served online at the same fixed fees.
Corporation Tax deadlines
| Date | What happens |
|---|---|
| 9 months + 1 day after year end | Corporation tax payment due — before the return itself |
| 12 months after year end | CT600 return filing deadline |
Clerkenwell corporation tax FAQs
What rate of corporation tax will my company pay?
19% on profits up to £50,000, 25% above £250,000, and marginal relief in between — an effective rate that climbs gradually. Associated companies split those thresholds, which catches many owners with more than one company. We calculate it precisely.
The payment is due before the return — is that right?
Yes, oddly: payment is due 9 months and 1 day after year end, but the return itself isn't due until 12 months. We prepare everything well before the payment date so you know the bill with time to plan.
Can you review whether I've missed reliefs in past years?
Yes — you can generally amend a CT600 up to 12 months after its filing deadline, and some claims reach back further. If you think allowances went unclaimed, we'll review and quote a fixed fee for any amendment worth making.
Do I need to visit an office in Clerkenwell?
No — there's nothing to visit and nothing to print. We're an online firm: records go through our secure portal or WhatsApp, and everything is filed electronically. It works the same whether you're in Clerkenwell or anywhere else in North London.
I searched "corporation tax near me" — is this service really local to Clerkenwell?
Clerkenwell is fully covered, yes. The work is done online, which in practice means more local than an office: same-day replies instead of appointment slots, and the same published fixed fee whether you're in Clerkenwell town centre or the edge of North London. If you'd rather talk it through first, WhatsApp us — a real person answers.
Who will actually handle my corporation tax?
Bohzo Accountants — a trading name of Bohzo Ltd, a registered UK company (No. 15031604). You get a named contact, a fixed fee in writing, and nothing is filed until you've reviewed and approved it.
How do your fixed fees work?
You tell us your situation, we quote one fixed price in writing before any work starts, and that price never changes mid-job. If your case is unusually complex we'll say so up front and agree a different fixed price — but the fee is always agreed before we begin, never after.
Tax, briefly — the parts that affect Clerkenwell
Since Section 24, individual landlords can't deduct mortgage interest as an expense — it's a 20% tax credit instead, which pushes some higher-rate landlords into surprising bills. Whether to hold property personally or through a company is now a genuine question with genuine trade-offs.
If you contract through your own limited company, IR35 asks whether you'd be an employee without it. For medium and large clients, the status decision is theirs; for small clients, it's still yours — and getting it wrong in either direction costs money.
MTD for Income Tax starts with the £50,000+ income group in April 2026, with lower bands following. Quarterly digital updates sound worse than they are — with software doing the bookkeeping, the quarters largely take care of themselves.
The capital gains annual exempt amount has shrunk to £3,000, which pulls far more ordinary disposals — shares, crypto, second properties — into reporting territory. Gains that once fell under the allowance now need a return, even when the tax due is modest.
HMRC requires records to be kept for at least five years after the filing deadline for the self-employed. Digital copies count. A cloud folder or app now beats a carrier bag of paper every time — for you and for any future enquiry.
Plenty of people incorporate too early because it "sounds established", then pay for accounts, confirmation statements and payroll they didn't need. The switch pays for itself at the right profit level — the trick is knowing yours.
Can't pay the bill by the deadline? File anyway. Filing and payment are penalised separately, and HMRC's Time to Pay arrangements can spread the bill — but only once the return is in. Not filing because you can't pay turns one problem into two.
Register with HMRC by the 5 October after your first tax year of trading, open a separate business account, and put a fixed slice of every payment aside for tax. Do those three things and your first January will be boring — the good kind.
General guidance, not personal advice — thresholds and dates change. For advice on your own position in Clerkenwell, message us and we'll answer against your actual numbers.
Corporation Tax near Clerkenwell
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