Watching profits vanish from unexpected costs? Most UK small businesses crash from poor budget planning and forecasting—overpaying taxes, missing growth chances, or hitting cash crunches. Our CPA-backed budget forecasting gives you real-time clarity, so you control spending, dodge risks, and scale confidently. No more nasty surprises—just a financial roadmap built for your business.
Our experts identify eligible projects (even failed ones!) and maximise your claim—legally reducing your tax bill or boosting cash flow.
We uncover hidden allowances (like Annual Investment Allowance or Structures & Buildings Relief) so you pay less tax on assets you already own.
From Creative Industry Tax Reliefs to EIS/SEIS schemes, we secure every penny your business qualifies for you and your small business.
Let’s be brutally honest: the UK tax system is a minefield. Every year, thousands of businesses and individuals lose an average of £4,600 in unclaimed tax reliefs, while others get slapped with 5%-30% penalties for innocent filing errors. The worst part? Many don’t even realise they’re overpaying – until we audit their finances.
At Sigma Chartered Accountants and Tax Advisors, we’ve spent 17 years fixing these exact disasters. Our forensic approach.
We found £12,340 in unclaimed work-from-home allowances for a client after their previous accountant said they ‘didn’t qualify.
Recovered £28k in EIS relief for a client when HMRC initially rejected their claim due to share certificate errors
Saved a £2.1 million family business from 40% IHT by restructuring through AIM shares – legally
Before claiming, we identify any filing errors or red flags that could trigger audits – fixing them proactively saves an average of £8,750 in penalties.
Using proprietary checklists covering 67 HMRC relief categories, we pinpoint every allowance from R&D to Agricultural Property Relief.
We bundle reliefs intelligently – combining SEIS with R&D claims recently generated 148% more savings than standalone applications.
Our technical narratives satisfy HMRC’s evolving standards – 100% of our R&D claims get approved vs industry's 73% average.
We cross-verify all submissions with former HMRC inspectors on our team – eliminating ‘careless error’ risks that cost clients £14k on average.
Build tax-efficient structures so next year’s reliefs are captured automatically – our clients save 30-50 hours annually on compliance.
The UK government actively rewards businesses pushing boundaries in science, tech, and creative sectors – but 83% of eligible firms miss out on these incentives (HMRC 2023 data). Why? Most don’t realise their daily work qualifies for Research and Development reliefs, Patent Box benefits, or R&D-intensive SME schemes, while others drown in HMRC’s complex paperwork.
At Sigma, we turn these overlooked opportunities into real cash flow. Our specialists don’t just identify reliefs – we strategically combine them: R&D claims with Capital Allowances on equipment, Patent Box tax rates as low as 10%, and even structuring salaries through EMI schemes to attract investors. The result? One client secured £142k in funding by aligning SEIS with their R&D claim – we’ll engineer the same advantage for you.
