Entity Setup

UK Budget 2025 Reforms: What Entities and Entrepreneurs Need to Know for Entity Setup & Tax Compliance

From new allowances to reforms for investment schemes, the UK’s 2025 Budget introduced changes critical to how businesses structure and report—essential reading for entrepreneurs.

By NomadicTax Research Team • 5-8 min read • April 3, 2026

## Key UK Budget 2025 Changes Affecting Businesses and Entity Setup The UK’s Budget 2025, legislated through the Finance Bill 2025-26, introduced several changes effective April 2026 or earlier, impacting how companies are taxed, how they can invest, and how they comply.([gov.uk](https://www.gov.uk/government/publications/budget-2025-overview-of-tax-legislation-and-rates-ootlar/budget-2025-overview-of-tax-legislation-and-rates-ootlar?utm_source=openai)) Major reforms include updates to first-year allowances, writing-down allowances for plant and machinery, changes to carried interest taxation, and revisions to investment and venture capital reliefs.([gov.uk](https://www.gov.uk/government/publications/budget-2025-overview-of-tax-legislation-and-rates-ootlar/budget-2025-overview-of-tax-legislation-and-rates-ootlar?utm_source=openai)) ## Specific Entity Setup Considerations - **First-Year Allowance Increase:** For expenditure made on or after **1 January 2026**, a new 40% first-year allowance applies; the main rate writing-down allowance drops to 14% (from 18%) effective **1 April 2026** for Corporation Tax. For unincorporated entities (sole traders, partnerships), the reduced rate for Income Tax begins **6 April 2026**.([gov.uk](https://www.gov.uk/government/publications/budget-2025-overview-of-tax-legislation-and-rates-ootlar/budget-2025-overview-of-tax-legislation-and-rates-ootlar?utm_source=openai)) - **Carried Interest Regime:** From **6 April 2026**, carried interest will be taxed under a revised regime that sits within the Income Tax framework, replacing the current system.([gov.uk](https://www.gov.uk/government/publications/budget-2025-overview-of-tax-legislation-and-rates-ootlar/budget-2025-overview-of-tax-legislation-and-rates-ootlar?utm_source=openai)) - **Investment Schemes Adjusted:** The Enterprise Investment Scheme (EIS) and Venture Capital Trusts (VCT) see increased investment and gross asset limits, but with reduced tax relief (from 30% to 20%) starting **6 April 2026**.([gov.uk](https://www.gov.uk/government/publications/budget-2025-overview-of-tax-legislation-and-rates-ootlar/budget-2025-overview-of-tax-legislation-and-rates-ootlar?utm_source=openai)) ## Compliance & Reporting Highlights - **Non-resident Dividend Tax Credit:** The current notional credit for non-resident individuals receiving UK dividends will be abolished from **6 April 2026**.([gov.uk](https://www.gov.uk/government/publications/budget-2025-overview-of-tax-legislation-and-rates-ootlar/budget-2025-overview-of-tax-legislation-and-rates-ootlar?utm_source=openai)) - **Voluntary National Insurance Contributions (NICs):** From **6 April 2026**, access to Class 2 NICs for periods abroad is removed for most employees and self-employed. Also, new applications to pay Class 3 NICs abroad will have stricter eligibility (10 continuous years abroad or building 10 qualifying years).([gov.uk](https://www.gov.uk/government/publications/budget-2025-overview-of-tax-legislation-and-rates-ootlar/budget-2025-overview-of-tax-legislation-and-rates-ootlar?utm_source=openai)) ## Example: Entity Setup Scenario Suppose you're founding a small UK tech startup. You plan to equip your company with new machinery purchased in **February 2026**. Thanks to the ***40% first-year allowance***, you can immediately deduct 40% of that capital cost for Corporation Tax, rather than spreading out deductions. That boosts early cash flow. Then, placing the remainder under writing-down allowance at a reduced rate affects long-term depreciation strategy. If you're arranging carry agreements (e.g., founder/VC profit shares), note that after **6 April 2026**, carried interest falls under stricter Income Tax rules—not favorable capital gains treatment—raising downstream tax liability expectations. ## Actionable Steps for Businesses & Entrepreneurs - **Accelerate qualifying expenditures** (plant, equipment) to fall before rate changes or benefit from the enhanced allowances. - **Reassess profit-sharing and carry arrangements** to model tax implications under the new regime. - **Review international shareholders or dividend flows**, especially if non-residents, to prepare for withholding changes or credit removals. - **Update HR and payroll systems** to handle NICs changes for remote or abroad-based employees. ## Compliance Risks to Watch For - **Misclassification of reliefs or allowances**: Make sure distinguishing between corporation vs income tax entities, especially for unincorporated firms. - **Missing relief transfer or allowance deadlines**: The transitional rules for investment reliefs or allowance thresholds may differ pre- and post-April 2026. - **Inadequate recordkeeping**: For items like carried interest and invested capital, hold robust documentation to withstand potential HMRC scrutiny. ## Bottom Line If you're forming an entity, allocating capital, or structuring investment, the UK’s 2025 Budget changes offer both opportunities and pitfalls. By aligning purchases, agreements, and structure with effective dates—especially around April 6, 2026—you’ll maximize benefits and avoid compliance gaps.