Contractor Accountants · South West London
Contractor accountants in Thamesfield
IT, engineering, finance and healthcare contractors in Thamesfield use us because the service is built for how they work: a company with one or two directors, income from a few clients a year, and an IR35 question on every new engagement. Fixed monthly packages across South West London, with an IR35 contract review at £99 whenever you need one.
from £75/mo · fixed, per month
Next deadlines
- PAYE and National Insurance for last month paid to HMRC (electronic)
- PAYE and National Insurance for last month paid to HMRC (electronic)
- PAYE and National Insurance for last month paid to HMRC (electronic)
- Online Self Assessment filing deadline and balancing payment due
Who this is for
Contractor Accountants for Thamesfield
Contractors and interim professionals in Thamesfield working through their own limited company: IT and software contractors, engineers, project managers, interim finance staff, consultants, medical and allied health locums who have incorporated, and permanent employees about to go contracting who need the company set up and the first engagement reviewed.
What is included
Everything inside the fixed fee
- Statutory accounts and Corporation Tax return prepared and filed each year
- Director payroll run monthly with RTI submissions and the salary set at the efficient level
- Dividend vouchers and board minutes for every distribution, with the available reserves checked first
- Quarterly VAT returns and bookkeeping in the Plus and Complete packages
- Director's Self Assessment and an annual planning call in the Complete package
- IR35 status reviews of your contracts and working practices, with a written opinion
How it works
Contractor Accountants from Thamesfield, step by step
Tell us your situation
A short message or call about what you do and what needs filing. We ask the questions that determine the right package and nothing more.
Fixed fee in writing
You receive one price for the work, confirmed by email before anything starts. It does not change if the job takes longer than we expected.
Send records, review the draft
Records come by WhatsApp or email. We prepare the draft, explain the figures in plain English and answer your questions.
We file, you get the receipts
Once you approve and the fee is settled, we submit electronically and forward the HMRC or Companies House acknowledgement the same day.
Why IGI
The IGI way of working, in Thamesfield
The price for contractor accountants is published on this page and is what a client in Thamesfield pays. We confirm it in writing first, and the invoice matches the quote.
Deadline-first: the dates that matter for contractor accountants are shown at the top of this page, diarised for every Thamesfield client and chased before they arrive.
Online only, UK based. There is no office in Thamesfield to pay for, which is why the fee is the same here as anywhere in England; the work is done by people in the UK who answer the same day.
Continuity matters in contractor accountants: the person who prepared last year's work for your Thamesfield business prepares this year's, and remembers what was agreed.
The output for Thamesfield clients is never just a form. It is the form, a one-page summary of what it says, and a note of the decisions it points to for contractor accountants.
Approval before filing is a rule, not a courtesy. For contractor accountants in Thamesfield, every submission to HMRC or Companies House follows your written go-ahead.
Local facts
About Thamesfield
Thamesfield is in South West London, within Wandsworth, in the SW15 postcode district, England. Income tax in England follows the UK rates: 20% basic to £50,270, 40% higher to £125,140 and 45% additional, with the personal allowance of £12,570 tapered away above £100,000. National Insurance, VAT and Corporation Tax are UK-wide, and Stamp Duty Land Tax applies to property purchases.
| Place | Distance | Direction |
|---|---|---|
| Putney | 0.2 mi | S |
| Putney Bridge | 0.4 mi | NE |
| Palace Riverside | 0.5 mi | N |
| Hurlingham | 0.6 mi | NE |
| East Putney | 0.7 mi | S |
| Fulham | 0.8 mi | NE |
| West Putney | 0.9 mi | SW |
| West Hill, Wandsworth | 0.9 mi | SE |
Worth knowing
Rules that come up in this work
Switching accountants
Changing accountant is simpler than most people fear. You authorise the new firm, which writes to the old one for professional clearance and your records; the outgoing accountant must hand over your own documents and usually does within two weeks. The new firm registers as your agent with HMRC and picks up the next filing. There is no need to wait for a year end.
Closing a company
A solvent company that has finished its purpose can be dissolved by voluntary strike-off: form DS01 with a £13 Companies House fee, after three months without trading and with all debts paid, final accounts and tax return filed, and assets distributed. HMRC objects to any application where returns or tax are outstanding, so the sequence matters more than the form.
Crypto records and reporting
HMRC treats cryptoassets as property. Swapping one token for another, spending crypto or gifting it are all disposals for Capital Gains Tax, and staking and lending rewards are income. Gains are computed under pooling rules with same-day and 30-day matching. From 2026 HMRC receives data from exchanges worldwide under the Cryptoasset Reporting Framework, so unreported activity is increasingly visible.
The 60-day property CGT return
The 60-day Capital Gains Tax return on residential property is the deadline landlords most often miss, because it falls outside the Self Assessment cycle and runs from completion, not exchange. Private residence relief for periods you lived in the property, plus the final nine months, reduces the gain. Penalties for a late return mirror Self Assessment, starting at £100.
Record keeping
Good records are the difference between a quick enquiry and a long one. For the self-employed, five years after the filing deadline; for companies, six years from the year end; for VAT, six years. Photographs of receipts, PDF statements and software exports all count. The requirement is to keep records, not paper, and a well-organised cloud folder satisfies it.
Allowable expenses
An expense is allowable against trading profit if it is incurred wholly and exclusively for the business. Materials, business travel other than ordinary commuting, a proportion of home running costs, software, insurance, professional fees, bank charges and protective clothing qualify. Client entertainment, ordinary clothing, fines and the private share of mixed-use costs do not.
Employer National Insurance
The cost of an employee is more than the salary. Employer National Insurance at 15% above £5,000 a year, the 3% minimum pension contribution, holiday pay, equipment and management time all come on top. The Employment Allowance of £10,500 reduces the National Insurance for most employers with more than one person on the payroll.
Questions
Contractor Accountants questions from Thamesfield
I am about to leave permanent employment to contract. Where do I start?
With the company formation and the first contract review. Our £99 formation-plus-registrations package sets up the company with Corporation Tax and PAYE registered; the IR35 review of your first engagement decides how the income will be taxed. Join the Essential package from the month you start invoicing.
Do I need business insurance?
Most client contracts require professional indemnity and public liability cover, and employer's liability is a legal requirement if the company employs anyone other than the director. Insurance is not something we sell, but we tell you what your contracts require and the premiums are deductible for Corporation Tax.
Can the company pay into my pension?
Yes, and it is one of the most efficient ways to extract value. Employer pension contributions are deductible for Corporation Tax, free of National Insurance and not taxed on you, up to the £60,000 annual allowance (tapered for very high earners). We include pension planning in the Complete package's annual call.
What happens between contracts?
The company continues and so do the filings, but we can reduce the salary and pause dividends. If you expect a long gap we discuss whether to keep the company trading, make it dormant or close it. The monthly fee continues while the company is active because the compliance does, but we review it with you if circumstances change.
How are dividends documented?
Each dividend needs a board minute approving it and a dividend voucher recording the date, amount and shareholder. The company must have sufficient distributable profits after tax at the time. We check the reserves before each dividend, produce the paperwork and keep it on file, because undocumented dividends are reclassified by HMRC as salary or loans.
What is the flat rate VAT scheme and should I use it?
For most contractors with low costs the limited-cost-trader rate of 16.5% removes any advantage of the flat rate scheme, and the standard scheme reclaiming input VAT on equipment and software is better. Contractors with significant qualifying costs may differ. We calculate both at registration and review annually.
Do you have an office in Thamesfield?
No. IGI Accounting is an online-only firm. We serve Thamesfield and every other UK postcode remotely, with records sent by WhatsApp or email and everything filed electronically. The absence of local premises is why the fee for contractor accountants is the same in Thamesfield as anywhere else in the country, and why there is nothing to visit and nothing to print.
Is contractor accountants in Thamesfield really the same price as elsewhere?
Yes. The fee published on this page is what a client in Thamesfield pays and what a client in any other part of England pays. It is confirmed in writing before work starts and the invoice matches the quote. Where a higher package applies because your situation is more complex, we say so at the quote stage, never afterwards.
Ready to fix your fee in Thamesfield?
Tell us what you need. You get one fixed fee in writing, and nothing is filed until you approve it.