Self-Assessment Tax Returns
We file your Self-Assessment accurately and on time, claim every allowance you're entitled to, and explain exactly what you owe and why.
from £149 / return, fixedA friendly, qualified practice helping people and small businesses keep tidy books and pay no more tax than they need to. Real humans, plain English, clear fixed fees.
From 180+ verified reviews
Fully qualified & regulated
On Stroud High Street since 2009
No surprises, ever
From a simple tax return to running the books for a growing small business — pick what suits you, and we'll handle the rest.
We file your Self-Assessment accurately and on time, claim every allowance you're entitled to, and explain exactly what you owe and why.
from £149 / return, fixedTidy, up-to-date books handled monthly or quarterly, with MTD-ready VAT returns submitted on your behalf — so you always know where you stand.
from £75 / monthJust gone freelance or running a side hustle? We'll register you, keep you compliant, and make tax season feel completely under control.
from £29 / monthYear-end accounts and Corporation Tax for limited companies — prepared clearly, filed correctly, and reviewed with you over a cup of tea.
from £79 / monthRTI payroll for your team and Construction Industry Scheme returns, all run smoothly each month with payslips your staff actually understand.
from £18 + £4 / payslipA friendly, no-jargon review of your situation — pensions, dividends, allowances and timing — to help you legitimately keep more of what you earn.
£120 / planning sessionNo long forms, no jargon and no being passed around. Just four friendly steps from hello to filed.
Book a free, no-pressure chat — in person, on the phone or over video. We'll listen and tell you honestly how we can help.
You get a tidy fixed-fee quote up front. No hourly meters, no nasty surprises on the invoice later.
Send us your paperwork however suits you — photos, a shoebox, or a tidy spreadsheet. We do the number-crunching.
We file everything on time and walk you through it in plain English, so you know exactly what's happening and why.
Whoever you are, we'll meet you where you are — and never make you feel daft for asking a question.
Landlords, high earners, side-hustlers and anyone facing a tax return for the first time.
From your first invoice to your busiest year, we keep the books tidy so you can focus on the work.
Cafés, trades, shops and growing limited companies across the Five Valleys.
We measure success by how relaxed our clients feel come tax time.
"I'd dreaded my tax return for years. Maggie made it genuinely painless and found me money back. I actually look forward to coming in now."
"Switched to Hartwell & Co. for our café's books and it's night and day. Fixed monthly fee, no jargon, and they always pick up the phone."
"As a first-time landlord I had a hundred questions. They answered every one without making me feel silly. Honestly the friendliest accountants going."
Honest, jargon-free guidance to help you make confident decisions — written by people, for people.
Working from home, mileage, software... here's the money you might be leaving on the table.
Read more →Key dates, what you'll need, and how to avoid that £100 late-filing penalty.
Read more →A friendly breakdown of the real pros, cons and tax differences for your situation.
Read more →Book a free, friendly first chat with a qualified accountant. No pressure, no jargon — just honest advice on how we can help.