Accounting

CIS Tax Returns · Central London

CIS tax returns in Knightsbridge and Belgravia

The Construction Industry Scheme takes 20% off a subcontractor's invoices before they are paid, and in Knightsbridge and Belgravia that money is often more than the tax actually owed. We prepare the return, reclaim the difference and chase HMRC for the refund. Contractors get the monthly CIS300 filed by the 19th with statements issued. Fixed fees, agreed in writing.

from £30/mo · fixed, per month

Next deadlines

  • VAT return and payment for the quarter that ended last month
  • CIS monthly return and deduction statements to subcontractors
  • PAYE and National Insurance for last month paid to HMRC (electronic)
  • VAT return and payment for the quarter that ended last month

Who this is for

CIS Tax Returns for Knightsbridge and Belgravia

Construction businesses in Knightsbridge and Belgravia on either side of the scheme: sole trader and limited company subcontractors with 20% or 30% deductions to reclaim, contractors who pay subcontractors and must file monthly, businesses that do both, and established subcontractors with turnover high enough to apply for gross payment status and stop deductions altogether.

What is included

Everything inside the fixed fee

  • Subcontractor verification with HMRC and the correct deduction rate (20%, 30% or gross) applied each time
  • Monthly CIS300 return filed by the 19th with deduction statements issued to every subcontractor
  • Subcontractor annual Self Assessment with CIS deductions reclaimed and the refund chased with HMRC
  • Gross payment status application prepared with the turnover, compliance and business tests evidenced
  • Domestic reverse charge VAT checked on every CIS invoice in both directions
  • CIS deductions offset against PAYE for limited company subcontractors through the EPS each month

How it works

CIS Tax Returns from Knightsbridge and Belgravia, step by step

  1. Scope the job

    We find out what you need filed, when it is due and what state the records are in, and tell you which fixed-fee package applies.

  2. Agree the price

    The fee is confirmed in writing. There is no hourly billing and nothing added for questions during the work.

  3. Hand over the records

    Photographs, PDFs, software access or a spreadsheet, sent however suits you. We confirm what we have and what is missing within two working days.

  4. Approve, then we submit

    You review the draft with our explanation, sign off, and we file. Receipts, copies and the next deadlines come back to you immediately.

Why IGI

The IGI way of working, in Knightsbridge and Belgravia

One fixed fee for cis tax returns in Knightsbridge and Belgravia, agreed in writing before any work starts and never changed part-way through the job, however long it takes us.

We work to the HMRC and Companies House calendar, not an appointment diary. Clients in Knightsbridge and Belgravia get reminders at 60, 30 and 7 days before each date that applies to cis tax returns.

We serve Knightsbridge and Belgravia remotely by design: records by WhatsApp or email, drafts back for approval, filing electronic. The saving on premises is passed to you in the fee for cis tax returns.

Continuity matters in cis tax returns: the person who prepared last year's work for your Knightsbridge and Belgravia business prepares this year's, and remembers what was agreed.

We explain cis tax returns in the words Knightsbridge and Belgravia business owners use, not in accountant's shorthand, and we show our working so you can check it.

You stay in control of cis tax returns: drafts go to Knightsbridge and Belgravia clients first, with the figures explained, and nothing leaves us until you say so.

Local facts

About Knightsbridge and Belgravia

Knightsbridge and Belgravia is in Central London, within Westminster, in the SW7 postcode district, England. For businesses in England the tax rules are those set by the UK Parliament: the 20/40/45% income tax bands, Class 4 National Insurance for the self-employed at 6% and 2%, Corporation Tax at 19% to 25%, and Stamp Duty Land Tax on property. Business rates are set locally by the council.

Nearby places we also serve for cis tax returns
PlaceDistanceDirection
Knightsbridge, Westminster0.2 miS
Hyde Park, Westminster0.3 miNE
Marble Arch0.7 miNE
Belgravia0.7 miSE
Hans Town0.8 miS
West End of London0.8 miNE
Paddington, Westminster0.9 miN
Queen's Gate0.9 miSW

Worth knowing

Rules that come up in this work

CIS deductions

The Construction Industry Scheme affects both sides of a construction payment. Contractors must verify subcontractors, deduct the right amount, issue statements and file monthly, with penalties from £100 for each late return. Subcontractors suffer deductions on turnover and recover the excess at the year end. Limited company subcontractors offset deductions against PAYE monthly instead.

Confirmation statements and identity verification

The confirmation statement is the annual check that the public register is right: officers, registered office, SIC codes, shareholders and the PSC register. It carries a £50 fee and no financial penalty for lateness, but failure to file leads to compulsory strike-off. The identity verification regime introduced in November 2025 has added a further check to every statement.

Corporation Tax rates and marginal relief

Since April 2023 there have been two Corporation Tax rates, 19% small profits and 25% main, with marginal relief smoothing the transition between £50,000 and £250,000 of profit. The band is where planning matters: each pound of profit in it is taxed at an effective 26.5%, so pension contributions and capital expenditure timed to keep profit below £50,000 are worth more than they look.

The VAT registration threshold

VAT registration is compulsory once taxable turnover in any rolling twelve-month period exceeds £90,000, or when you expect to exceed that in the next thirty days alone. The test is rolling, not by tax year, and includes zero-rated sales. Businesses regularly cross it without noticing, and late registration means accounting for VAT on sales where it was never charged to customers.

Director's loan accounts

Money taken from a company has to be something: salary, dividend, expense reimbursement or loan. If it is a loan and remains outstanding nine months after the year end, the company pays tax at the dividend higher rate on it until it is repaid. Clearing the balance with a properly declared dividend before the deadline, where reserves allow, is routine year-end work.

Salary versus dividends

Paying yourself from a company involves two routes with different tax treatment. Salary through payroll is a company expense and builds a National Insurance record; dividends come from post-tax profit at lower personal rates. Undocumented drawings that are neither become director's loans, with a 35.75% section 455 charge if not repaid within nine months of the year end.

Payments on account

Payments on account catch out most people in their second year of self-employment. HMRC assumes next year's tax will match this year's and collects half in January and half in July, in advance, on top of the balancing payment. If profits are dropping you can apply to reduce them, but reducing them too far attracts interest. We calculate the right figure rather than guessing.

Questions

CIS Tax Returns questions from Knightsbridge and Belgravia

I have not filed for several years. Can you catch me up?

Yes. Late Self Assessment returns can be filed for the last four tax years to reclaim CIS deductions, and HMRC will offset refunds against any penalties. We quote a fixed fee for the set based on the number of years and reconcile each year's statements. The sooner this is done the more years remain claimable.

Can my CIS deductions be set against my VAT or other taxes?

For sole traders, no; CIS deductions are credited against your income tax and Class 4 National Insurance through Self Assessment, with the excess refunded. For companies, deductions are offset against PAYE and CIS owed, and the remaining balance is repaid by HMRC after the year end or, on request, set against Corporation Tax.

What rate do I deduct from a subcontractor?

You must verify each new subcontractor with HMRC before the first payment. HMRC tells you 20% if they are registered, 30% if not, or 0% if they hold gross payment status. Deductions apply to the labour element only, never to materials, VAT or plant hire. We verify every new subcontractor and record the result.

When are contractor returns due?

The CIS300 monthly return covers the tax month to the 5th and must reach HMRC by the 19th. Deduction statements must go to subcontractors by the same date. A nil return is still required if you paid no subcontractors. Late returns cost £100 immediately, rising to £200 after two months and then percentage-based penalties.

How much CIS refund can I expect?

It depends on your profit and expenses. Deductions are 20% of the labour element of your invoices; tax is only due on profit after expenses and the £12,570 personal allowance, with Class 4 National Insurance on top. Many subcontractors earning under £35,000 get back several thousand pounds. We give you the figure before filing.

What does the £149 subcontractor return include?

Your full Self Assessment with the self-employment pages, every CIS deduction statement reconciled to your income, allowable expenses claimed, the refund calculated and the return filed. We then track the repayment with HMRC, which usually arrives within two to six weeks of filing in the quieter months.

How do I get started from Knightsbridge and Belgravia?

Message us on WhatsApp or email with a sentence about your business and what you need. We reply in working hours with any questions and a fixed fee for cis tax returns. Once you confirm, we tell you exactly which records to send and the work begins. Most Knightsbridge and Belgravia clients are set up within a day.

Which deadlines matter most for cis tax returns?

The next four dates that apply to cis tax returns are shown at the top of this page, calculated from today. For Knightsbridge and Belgravia clients we diarise every one of them from the day you join and send reminders before each, so the work is done in good time rather than in the last week before a penalty.

Fixed fees, filed on time, for Knightsbridge and Belgravia

Tell us what you need. You get one fixed fee in writing, and nothing is filed until you approve it.

WhatsApp for a fixed quote