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CIOT Chartered · London · Est. 2008

Self-assessment,
sorted.
HMRC, handled.
You, sleeping.

Personal and self-employed tax returns from £199. Filed by chartered tax advisers — not a portal, not a chatbot. Two ex-HMRC inspectors on the team. We catch what DIY misses.

HM
HMRC · Self Assessment
● URGENT
Filing deadline
JAN 31
st
£100 penalty the moment you miss it. £10/day after that.
38
Days
14
Hours
22
Mins
Hand it to us →
CIOT
Chartered Tax Advisers
Ex-HMRC
Inspectors on team
2008
Established
Deadline
Guarantee
01 — We handle this for you

One fee. One deadline. No surprises.

Prices below are fixed. Quoted up front. No "actually it's more complex than we thought" letters. If we can't do it for the price, we'll tell you before we start.

Self-Assessment Return

We collect the paperwork, fill the SA100, claim every allowable expense, file with HMRC. Done in 5 working days.
31 Jan
£199

HMRC Investigation

Letter from HMRC? Don't panic, don't reply yet. We take over the correspondence, scope the enquiry, and represent you start to finish.
30 days
£From 850

CIS Contractor Returns

Sub-contractor refunds. Materials, mileage, tools, PPE — we claim the lot and usually get the rebate within 6 weeks.
31 Jan
£249

Landlord & Property Tax

Rental income, Section 24 finance cost cap, capital gains on disposal, FHL elections. We've done thousands.
31 Jan
£299

R&D Tax Credits

Genuine innovation, genuine claim. No spec-work merchants. Average successful claim £42k. No claim, no fee.
2 yrs
£Fee on claim

Capital Gains Tax

Property, crypto, shares, business assets. 60-day CGT property return handled — HMRC fines start at £100.
60 days
£275
All fees include phone & email support up to filing. VAT not added — sole-practitioner exemption.
02 — How it works

Three steps.
That's it.

01

Send us the bag

Receipts, bank statements, P60s, dividend vouchers — email, post, or drop them in. We don't mind a mess.

02

We do the maths

Two qualified tax advisers (one ex-HMRC) check the numbers, claim every allowance, draft your return.

03

You approve, we file

We send you a one-page summary. You say yes. We submit to HMRC and send you the receipt.

Tax adviser with calculator
Turnaround
5 working days
03 — Who we work with

If it lands on a tax return, we've seen it.

Self-Employed

Sole traders, freelancers, side-hustlers. Schedule D, allowable expenses, mileage and the lot.

Landlords

Single rentals to portfolios. Section 24, FHL elections, capital gains on disposal.

Contractors

CIS sub-contractors, IR35-affected workers, day-rate consultants. We know the rules cold.

Investors

Dividend income, capital gains, crypto disposals, EIS/SEIS relief, foreign income.

Numbers Right Tax Advisors London office
Office
4th Floor, 23 Hatton Garden
Holborn, London EC1N 8BQ
04 — About

Founded 2008. Two of our advisers used to work for HMRC.

Numbers Right was set up by Rachel Adeyemi (CTA, ex-HMRC compliance) after fifteen years inside the system. She was tired of watching ordinary people get fleeced — by HMRC penalties they didn't see coming, and by accountants charging four-figure fees for one-day jobs.

Today we're a team of seven chartered tax advisers in Hatton Garden. We handle around 1,400 returns a year — for plumbers, paramedics, landlords, contractors, doctors, freelance designers. Anyone with a tax problem that's keeping them up at night.

CIOT Member
M/47891
HMRC Agent ID
HM-2008-447
05 — Clients

Real returns. Real relief.

Got an HMRC letter on a Friday afternoon. By Monday they'd taken over and I never spoke to HMRC again. Settled for a third of what I was originally being asked.

Daniel R.
IT contractor, Hackney

Three years of unfiled returns because I was scared. They were so calm about it. Filed the lot, negotiated the penalties, and I sleep again. Worth every penny.

Marcia W.
Hair stylist, Brixton

Sold my buy-to-let in March, had no idea about the 60-day CGT rule. Their phone consultation saved me a £900 late filing penalty. Switched to them on the spot.

Edward P.
Landlord, Wimbledon
06 — Common questions

Stuff people ask before calling.

Q.I haven't filed in years. Am I in trouble?+

Probably not as much as you think. HMRC are reasonable if you come to them first. We've sorted 6, 7, even 11 years of missing returns — and negotiated the penalties down. Call us before HMRC calls you.

Q.Do I really need an accountant for a simple return?+

If you're PAYE only with one job, probably not. If you're self-employed, a landlord, have side income, crypto, dividends or sold a property — yes. We'll catch reliefs you didn't know existed.

Q.How much will I save vs DIY?+

Average client claims £600–£1,800 more in allowable expenses than they would alone. The £199 fee usually pays for itself five times over.

Q.Can you talk to HMRC for me?+

Yes. With a signed 64-8 form we become your authorised agent. HMRC phones us, not you. That alone is worth the fee for most people.

07 — Get this sorted

Don't wait for the brown envelope.

Free 15-minute call. We'll tell you what you owe, what you can claim, and whether you actually need us. If your case is simple enough to DIY, we'll say so.

Office details
Address
4th Floor, 23 Hatton Garden Holborn, London EC1N 8BQ
Phone
020 7405 9933
Email
hello@numbersrighttax.example
Hours
Mon–Fri 9am–6pm · Sat 10am–2pm (Jan only)
Nearest tube
Chancery Lane (4 min walk)
© 2026 Numbers Right Tax Advisors Ltd · CIOT M/47891 · HMRC Agent HM-2008-447
Chartered Tax AdvisersEst. 2008