Compliance

Compliance Checklist for UK SMEs Ahead of the Autumn Budget 2025

With proposed changes affecting National Insurance, tax thresholds, and council tax levies, SMEs need to audit their compliance to avoid unexpected liabilities.

By NomadicTax Research Team • 5-8 min read • November 22, 2025

## Key Issues SMEs Should Review Now ### 1. Employer National Insurance & Reporting Recent announcements suggest changes to employer NI contributions, especially linked to revisions in employer thresholds and rate calculations. While **rate increases** may have been considered, current focus is on **freezing thresholds** and ensuring other reliefs are tightened.([gov.uk](https://www.gov.uk/government/news/chancellor-chooses-a-budget-to-rebuild-britain?utm_source=openai)) SMEs should confirm payroll settings and ensure deductions are compliant and timely. ### 2. Survey Salaries & Benefit Schemes - Review any **salary sacrifice** arrangements—they’re under scrutiny and may lose tax advantages.([theguardian.com](https://www.theguardian.com/business/2025/nov/14/uk-borrowing-costs-up-after-markets-spooked-by-reeves-income-tax-u-turn?utm_source=openai)) - Ensure pension contributions are being processed correctly—both for employer liability and employee tax reliefs. ### 3. Council Tax Exposure for Businesses or Landlords with Properties in High Bands If your SME owns high-value commercial or residential property (or rental portfolios), anticipate changes including: - Possible surcharges if properties are revalued into higher bands. - Changes in liability—for landlords of multiple dwellings, check whether tenants may become individually liable under new rules. ### 4. Update Accounting & Planning Systems - Budget forecasts should now incorporate **higher tax burdens** from frozen thresholds and any surcharges on property. - Cashflow projections might need to adjust: more withholding, higher bills, possibly more frequent tax payments. ### 5. Stay Ahead of Legislation & Consultation Timelines Some measures are still proposals and may be implemented via consultation or Regulation/Finance Act legislation. - Keep track of official publications from **HM Treasury** and **gov.uk** especially around the budget date (Nov 26, 2025). - Watch for draft bills: property surcharges, threshold adjustments, changes to National Insurance reliefs. ## Actionable Compliance Steps - Audit payroll and benefits now; adjust documentation, inform staff. - Engage property valuation professionals early if you own high-value real estate or manage property holdings. - Consult tax advisers to structure contracts and landlord-tenant arrangements in case liability shifts. - Seek clarity from HMRC or local councils about potential reliefs or transitional periods. ## Example Scenario An SME landlord owns several residential units currently billed as separate dwellings under HMO rules. Under proposed reforms, liability may revert to landlord and be aggregated into one council tax band (if no exceptional circumstance), potentially easing administrative burden but perhaps affecting tenant billing. Organising valuation appeals before changes take effect could help reduce potential liability.([gov.uk](https://www.gov.uk/government/consultations/council-tax-valuation-of-houses-in-multiple-occupation-hmos/council-tax-valuation-of-houses-in-multiple-occupation-hmos-consultation?utm_source=openai)) ## Summary With multiple tax policy changes expected, SMEs should act now: review payroll, property holdings, accounting projections, and compliance documentation. Doing so will position you to absorb shocks, avoid penalties, and take advantage of reliefs where available.