A consultant extracting £200,000 per year as personal income pays approximately £82,000 in income tax and National Insurance. That is an effective rate of 41%. A doctor with a private practice generating £250,000 in personal income pays approximately £108,000. A solicitor with a profitable partnership share of £300,000 pays approximately £135,000.
These are not unusual numbers. They are the standard outcome of high personal extraction without a corporate structure. The professionals paying them are not doing anything wrong. They are simply using the default extraction route, and the default route is the most expensive one available.
Why professionals are particularly exposed
Most professionals in private practice or consultancy have one extraction route: personal income. Salary, partnership drawings, or consultancy fees paid directly to them. There is no retained profit, no holding company, no share class design. Everything earned is extracted immediately and taxed at the highest available rate.
The personal allowance taper makes this worse. Above £100,000, the effective marginal rate is 60% on income up to £125,140. A consultant earning £120,000 is paying 60% on £20,000 of their income. £12,000 in tax on £20,000 earned.
The corporate structure route
A professional operating through a limited company can retain profits inside the company at 25% corporation tax rather than extracting them at 40-60% personal rates. Salary can be set at the optimal level (typically £12,570. the personal allowance threshold) with the remainder taken as dividends at 8.75% or 33.75% depending on the individual's total income.
The IR35 rules apply where the professional is providing services to a single client in a way that resembles employment. Where the professional has genuine business independence, multiple clients, business risk, their own equipment and premises. IR35 does not apply and the corporate route is available.
The pension contribution layer
A company pension contribution is a corporation tax deductible expense and does not count as personal income for the personal allowance taper. A £40,000 annual employer pension contribution reduces the company's corporation tax bill by £10,000 and does not trigger personal tax. Over ten years, that is £100,000 of tax saved on pension contributions alone.
The holding company layer
For professionals with significant retained profits, typically above £500,000 accumulated, a holding company above the trading company allows capital to be invested and compounded at corporate rates. The holding company can hold investment assets, property, or shares in other businesses without triggering personal tax on the returns.
What this looks like in practice
A consultant currently extracting £200,000 personally, paying £82,000 in tax, who moves to a corporate structure with a £50,000 salary, £50,000 in dividends, and £100,000 retained in the company, reduces their personal tax bill to approximately £28,000. The retained £100,000 is taxed at 25% corporation tax. £25,000. rather than 40-60% personal rates. The annual saving is approximately £29,000.
The Capital Audit identifies the specific extraction architecture appropriate for your professional structure and calculates the annual saving in real numbers.
The Professional Services Architecture
The professional services tax trap is a Stability-layer problem. The salary-dividend split, the pension contribution, the professional expenses, these are the Stability-layer solutions. They reduce the bill. They do not change the architecture.
The Growth layer: a personal service company or professional company above the practice, retaining profits at corporate rates, begins to change the architecture. Capital that compounds inside a corporate structure rather than being extracted personally is not subject to the 45% or 60% effective rates that make professional services the highest-taxed sector.
The Expansion layer is the constitutional architecture that governs how retained capital is invested, protected, and eventually transferred, so that the wealth built inside the professional structure does not leak out through extraction tax, IHT, or an unplanned succession event.