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London has the largest concentration of businesses in the UK, with deep professional services, finance, technology, creative and hospitality sectors. It also has more limited companies and VAT-registered small firms than anywhere else, so bookkeeping here is often about VAT, payroll and multi-site trading.
Prepares your accounts and Corporation Tax return, files at Companies House, handles VAT and payroll and plans your pay. Ours start at £45.83 + VAT a month.
Source: ONS UK Business Counts 2026 and ONS mid-2025 population estimates, via Nomis, 2026.
VAT or PAYE registered businesses in London
are micro businesses of 0 to 9 staff, against 89% across the UK
businesses per 1,000 residents, against 40 across the UK
Information and communication firms are 11% of businesses in London, a high share for the UK. Subscription revenue, contractor invoicing, R&D costs and overseas customers are the typical accounts questions for software and media companies. That is 1.7 times the UK-wide share.
Professional, scientific and technical firms are 20% of businesses in London (about 110,475 enterprises). Consultants and practices here need profit by client, clean director's loan accounts and prompt invoicing more than anything else.
Retail and wholesale firms make up 13% of enterprises in London. Till and payout reconciliation, stock and margin by product line, and mixed-rate VAT are the main jobs, whether the sales are in a shop or on a marketplace.
Construction is 11% of businesses in London (about 62,990 enterprises). That means CIS deductions, retentions and the VAT domestic reverse charge are daily realities here, and each needs to be recorded correctly to avoid cash flow and VAT errors.
Where companies here cluster, what that does to their accounts, and a worked example.
The City and Canary Wharf for finance and professional services, Shoreditch and the wider Tech City cluster for software and design, King's Cross for media and technology, and a ring of creative and trades companies across every borough.
London company directors usually hit three questions early: passing the £90,000 VAT threshold faster than expected because day rates and fees are high, deciding whether a contract sits inside or outside IR35 when the client is a large bank or agency, and finding an affordable, genuine registered office address. Many founders also run a second income, such as rent from a flat, which changes the best mix of salary and dividends. We keep those moving parts in one plan.
A freelance product designer in Shoreditch invoices three agencies and a start-up. Her turnover crosses £90,000 in the ninth month, so we register her for VAT in time, set her salary near the personal allowance and schedule dividends around her rental income.
No. A company only needs a UK registered office that can receive post. Many London directors use a registered office service so that a home address stays off the public register, and we can set that up when we form the company.
Our fixed monthly fees are the same in London as anywhere else in the UK: Essential from £45.83 + VAT, Complete from £62.50 + VAT and Growth from £75 + VAT. Final price depends on your turnover and options.
We are an online firm, so a named accountant looks after your London company by phone, video, email and WhatsApp. Our offices are in Morden, Croydon, Chelsea, Mitcham for anyone who prefers to meet in person.
Tell us about your company and we will confirm your fixed fee within one working day.