Accountants in Clapham · SW4 · SW11 · SW9 ·

Expert ACCA Accountants
in Clapham
& South West London

Clapham clients earn in ways that demand proper tax planning, not just compliance. City professionals near the £100k threshold, SW4 landlords managing Section 24, and Clapham Junction businesses navigating VAT all need genuinely specialist advice. ACCA-certified, HMRC-authorised, fixed fees, fully remote or in-person from our Wimbledon SW19 office.

ACCA Certified HMRC Authorised Agent SW4 & SW11 Specialists Fixed-Fee Pricing

Tell us about your tax situation and we will respond with a clear, no-obligation fixed-fee proposal within one business day.

Name(Required)

No obligation. ACCA-regulated. GDPR-compliant. We never share your details.

Where Clapham Clients Overpay Most

Three Tax Challenges We Solve Every Week for SW4 & SW11 Clients


Self assessment for Clapham City professionals approaching the 100k personal allowance taper

City Workers Hitting the £100k Tax Trap

Clapham is home to a high concentration of City, Canary Wharf, and tech professionals whose combined salary, bonus, and consulting fees push above £100,000. At that level the personal allowance tapers at 60p in every additional pound. Pension contributions made before 5 April can recover thousands, but the window closes when the tax year ends.

Self Assessment Service →
Landlord and property tax for Clapham SW4 buy-to-let investors with Section 24 mortgage interest restriction

Clapham Landlords Underestimating Section 24

SW4 and SW11 properties bought in the 2000s and 2010s generate strong yields, but many landlords are filing returns that still treat mortgage interest as a full deduction. Section 24 replaced that with a 20% basic rate credit. For higher rate taxpayers the effective tax rate on rental profits is materially higher than the last return suggests, and the gap grows every year.

Landlord Tax Service →
HMRC investigation defence for Clapham small business owners and sole traders in SW4 and SW11

Clapham Business Owners Behind on Compliance

From independent cafes on Clapham High Street to consultants running limited companies near Clapham Junction, small businesses routinely fall behind on VAT, payroll, or corporation tax filing. HMRC’s penalty point system means a pattern of late returns accumulates fast. We take over the full compliance picture so nothing slips.

HMRC Investigation Service →
What We Do for Clapham & SW London Clients

Complete Tax & Accounting Services for Clapham Businesses & Individuals


From self assessment for SW4 freelancers and City professionals to corporation tax for Clapham Junction limited companies and landlord returns for SW11 buy-to-let investors, our ACCA-certified team handles every aspect of your tax and accounting at a transparent fixed fee.

Self Assessment for Clapham Professionals

For City professionals with dual income, freelancers in SW4, and directors with multiple income streams. Full SA100 with every allowable deduction applied and proactive advice on the £100k personal allowance taper before the tax year closes.

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Landlord & Property Tax for SW4 & SW11

SW4 and SW11 property portfolios require correct Section 24 treatment, accurate expense apportionment, and CGT planning before any disposal. We cover single BTL flats, HMOs near Clapham Common, and Battersea riverside investment properties.

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Corporation Tax for Clapham Companies

Accurate CT600 returns for Clapham, Battersea, and SW London limited companies in tech, media, hospitality, and professional services. We integrate the company return with the director’s personal self assessment so both are always consistent.

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Bookkeeping & Management Accounts

Monthly Xero bookkeeping and management accounts for Clapham SMEs, independent retailers, and hospitality businesses. Real-time financial data lets you see whether margins are holding before any business decision is made.

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VAT Returns & Making Tax Digital

Quarterly MTD-compliant VAT submissions for Clapham businesses, from hospitality on Clapham High Street to e-commerce and professional services. We advise on the most tax-efficient VAT scheme and ensure all submissions are filed on time.

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Director Salary & Dividend Planning

With the dividend allowance at £500 and Corporation Tax at 25% above £250,000, the optimal salary and dividend split is not obvious. We model the exact numbers for your income level and company position every year, not once and forgotten.

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Capital Gains Tax on SW4 & SW11 Property

Properties in SW4 and SW11 bought in the 2000s carry significant embedded gains. With the annual CGT exemption cut to £3,000 and the 60-day reporting deadline applying from completion, pre-disposal planning is essential. We calculate the gain and every available relief before you market.

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HMRC Tax Investigation Defence

Full representation for Clapham businesses and individuals facing HMRC enquiries, aspect investigations, and employer compliance reviews. All correspondence handled directly as your authorised agent. The earlier we are involved, the better the outcome.

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Payroll & CIS for Clapham Junction Businesses

Monthly payroll, RTI submissions, and CIS returns for Clapham businesses with staff or subcontractors. The construction and fit-out activity around Clapham Junction and Nine Elms means CIS deduction calculations and gross payment status applications are regular work for our SW11 clients.

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Why Clapham Clients Choose Protax

Why Clapham Businesses & Professionals Choose Protax Over Local Firms


Clapham is not a homogeneous client base. A City professional at £95,000 who also consults, a SW4 landlord with two properties and a mortgage, and a Clapham Junction director running a hospitality business all have fundamentally different tax positions. We understand the specific challenges each client type faces and provide advice that reflects how they actually earn, invest, and operate — from our ACCA-certified team, just 4 miles away in Wimbledon SW19.

  • 01

    £100k Threshold Planning for Clapham City Professionals

    A significant proportion of Clapham residents work in finance, law, tech, or consulting and approach the £100,000 personal allowance taper. We model the exact position annually and advise on pension contributions and income timing before 5 April. This conversation should happen in February or March, not when the return is filed the following January.

  • 02

    SW4 and SW11 Property Knowledge That Competitors Lack

    Properties on Clapham Common, Abbeville Village, and the Battersea riverside bought in the 2000s carry embedded CGT gains that need managing before any disposal. We also handle Section 24 mortgage interest restriction correctly for higher rate landlords, where the effective tax rate on rental income is consistently underestimated. See our landlord tax service.

  • 03

    Clapham Business Expertise Across Hospitality, Retail & Professional Services

    Clapham High Street, Abbeville Road, and Clapham Junction have a dense independent business community: restaurants, cafes, boutiques, personal trainers, and professional service firms. Each has different VAT scheme considerations, payroll complexity, and CIS obligations. We know the sector-specific issues and apply them correctly from day one.

  • 04

    Company and Personal Tax Joined Up for Clapham Directors

    A Clapham director’s corporation tax return and personal self assessment should never be prepared by separate firms. The salary level, retained profits, and dividend timing interact with the personal return in ways that require both to be reviewed together. We hold both files and advise on the combined position every year.

  • 05

    Closer Than You Think — Remote When You Prefer

    Our Wimbledon office at Lombard Business Park, SW19 3TZ is 4 miles from Clapham Common. For clients who want face-to-face access, we are on the same Northern Line. For those who prefer remote service, we use Xero cloud accounting, secure document upload, and Zoom consultations with same-day responses on urgent queries.

Specialist Accounting for Every Clapham Client Type

Who We Help in Clapham, SW4, SW11 & Surrounding Areas


From City professionals based in SW4 to Clapham Junction business owners, SW11 buy-to-let investors, and Battersea startup founders, we have the depth of knowledge to handle your financial situation correctly at every stage.

Free Tax Health Check for Clapham Residents & Business Owners

Are You a Clapham Professional, Landlord, or Business Owner Paying More Tax Than You Need To?

Clapham’s income profile is unusual: a high proportion of residents earn from multiple sources, hold SW4 or SW11 property with embedded gains, and run companies alongside employment. Generic tax preparation misses the interactions between all three.

A City professional who has never reviewed whether their bonus and consulting income breaches the £100k threshold, a landlord applying a full mortgage interest deduction rather than a 20% credit, and a director who has not reviewed their salary and dividend split since the dividend allowance fell to £500 — all three are likely overpaying. Find out which category you are in.

  • £100k threshold and personal allowance taper review
  • Section 24 impact assessment for SW4/SW11 landlords
  • CGT exposure mapping on any Clapham or SW London property
  • Salary and dividend optimisation review for Clapham directors
  • Free 30-minute consultation with an ACCA-certified accountant

Request Your Free Tax Health Check

Tell us about your income sources and current tax situation. We will respond with a personalised assessment within one working day.

Name(Required)

No cost. No obligation. GDPR-compliant. We never share your details.

South West London Client Feedback

What Our Clients Say


Rated 5 stars on Google by London businesses and individuals we have helped with tax, accounting, and compliance.

A

Androulla Papathanasiou

★★★★★

Protax Consultants Ltd are absolutely an excellent Accountancy firm, with a great support service. The entire team especially Muhammad have been professional and very helpful. Very easy to communicate our company needs, no complaints, all done with ease. Highly recommended — will not go elsewhere now.

Ready Metal Co. Ltd

E

Edgar Costa

★★★★★

Used Protax for my first year in business. The process was so simple and smooth. I checked a few accountants before going with Muhammad and Protax. As a new business owner accountants can be a little confusing — not only did the team do a lot for me, they also taught me a lot. Will be using Protax for as long as I am in business. Highly recommend.

M

Mick & Maria Cass

★★★★★

We have used Protax Consultants from day one of starting up our business. Always friendly and available to help with any problems we come across. No need to worry about Payroll, VAT, taxes or any other financial part of the business with Protax Consultants on our side.

Cass Transport Services Ltd

Accountants Near Clapham & South West London

Serving Clapham, SW4, SW11, SW9 & the Surrounding Areas


Our office is at Lombard Business Park, Wimbledon, SW19 3TZ — 4 miles from Clapham Common and 6 miles from Clapham Junction. We offer in-person meetings for Clapham and SW London clients and a fully remote service for anyone in the UK. If you are searching for an accountant in Clapham or accountant SW4, our team is closer than most and responds the same day.

Clapham

SW4, SW11, SW9

Battersea

SW11, SW8

Stockwell

SW9, SW8

Brixton

SW2, SW9

Balham

SW12

Tooting

SW17

Streatham

SW16

Wimbledon

Our Office — SW19

Wandsworth

SW18

Vauxhall & Nine Elms

SW8, SE11

Central London

City, West End & EC

Rest of UK

Fully Remote Service

No travel required for remote clients. Secure document upload, Zoom consultations, digital signing. Onboarding in 3–5 business days.

Common Questions from Clapham & SW London Clients

Frequently Asked Questions About Our Clapham Accounting Services


It depends on your total income and any additional income sources. If your employment income is fully covered by PAYE and your total income is below £100,000 with no other income, you may not need to file. However, if your total income exceeds £100,000 because of a bonus, consulting fees, investment income, or share schemes, you are required to file a self assessment return regardless of whether income was taxed at source. Many Clapham City professionals also have dividend income, rental income, or secondary employment that adds up to a filing obligation they are unaware of. If you are uncertain, it is always safer to check before HMRC sends a notice to file, at which point penalties can apply from the outset.
Section 24 removed the ability to deduct mortgage interest as an expense against rental income. Instead, you receive a 20% basic rate tax credit on the interest paid. For basic rate taxpayers the overall impact is roughly neutral. For higher rate taxpayers the effective rate of tax on rental profits is materially higher than it was before 2017. For SW4 landlords with high mortgage balances relative to rental income, this can significantly erode returns. We calculate the real after-tax yield for your specific property and advise on whether the current ownership structure, possibly incorporation into a limited company, remains optimal.
The tipping point for most Clapham freelancers is annual profits in the range of £30,000 to £35,000. Below this, the administrative cost of running a limited company, including accountancy fees, Companies House filings, and director’s time, typically outweighs the tax saving. Above it, a salary and dividend structure generally produces meaningful savings over sole trader income tax rates. The exact figure depends on whether you have other income, whether a spouse holds shares, and whether you plan to retain profits in the company. We model the actual numbers for your situation before making any recommendation.
Yes, if the property was not your main home throughout the ownership period. The 60-day CGT reporting and payment deadline runs from the date of legal completion, not the end of the tax year and not the 31 January self assessment deadline. If you completed in October, your CGT return and tax payment are due in December. Missing this deadline triggers an automatic penalty from day one regardless of whether any tax is owed. The gain is also reported on your annual self assessment return, but the tax must be paid within 60 days of completion. We file the 60-day return as a standard part of every residential property disposal.
Yes. The personal allowance tapers once adjusted net income exceeds £100,000, creating a 60% effective marginal rate on income between £100,000 and £125,140. If a bonus, consulting income, or investment income could push you above that threshold, action before 5 April can make a significant difference. Personal pension contributions reduce your adjusted net income pound for pound, potentially preserving the full personal allowance. Gift aid donations work similarly. For Clapham City professionals with variable bonus timing, the calculation is worth modelling in January or February every year, not after the year ends.
It depends on your structure and turnover. As a sole trader the minimum is an annual self assessment return. Once your turnover exceeds the VAT registration threshold (£90,000 in 2025/26), you also need quarterly VAT returns under Making Tax Digital. If you employ anyone, payroll is required. As a limited company you need annual statutory accounts, a corporation tax return, and confirmation statement filed with Companies House, plus the director’s self assessment. Bookkeeping and management accounts are not legally required but become practically essential at any meaningful scale. We offer all of these as a fixed-fee monthly package so you know the cost before you commit.
Both options are available. For Clapham clients who prefer a face-to-face meeting, our Wimbledon office at G18, Lombard Business Park, SW19 3TZ is accessible from Clapham Common via the Northern Line, changing at Stockwell for the District Line to Wimbledon. Most Clapham clients use our remote service, which involves secure document upload, Zoom or Teams consultations, and digital e-signature tools. We respond to all queries the same business day. The choice is entirely yours and does not affect the quality or the fee.
Get Started Today

Ready to Work with Clapham’s Most Proactive ACCA Accountants?

Submit a quote request and one of our ACCA-certified accountants will review your situation and respond with a clear, no-obligation fixed-fee proposal within one working day. Whether you are a City professional, a SW4 landlord, or a Clapham Junction business owner, we will tell you exactly what we can do for you and what it will cost.

  • Free initial assessment, no obligation
  • Response within one business day
  • Transparent fixed-fee pricing in every proposal
  • £100k threshold, Section 24, and CGT specialists
  • ACCA-regulated, HMRC authorised agent
  • In-person Wimbledon SW19 or fully remote

Also serving: London · Wimbledon · Shoreditch · Hackney · Islington

Request Your Free Quote

Tell us about your accounting needs and we will send you a personalised fixed-fee proposal.

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