Who we Help

Serving businesses and individuals seeking clarity, compliance, and strategic tax advice.

Solicitors

SRA-compliant accounts, tailored VAT schemes, and comprehensive partnership tax support keep legal firms financially efficient, competitive, and regulation-ready.

Charities

We ensure charities meet strict financial regulations, optimise tax reliefs, and streamline reporting—so more funds go toward your cause, not admin.

Freelancers & Contractors

IR35 guidance, tax efficiency, and seamless accounting keep contractors compliant and financially secure—letting you focus on delivering your expertise.

E-commerce Businesses

E-commerce accounting, VAT (including MTD), and global tax support ensure your online store scales smoothly, sustainably, and profitably across borders.

Start-Ups

Sigma’s startup accountants services in UK can review your plans and advise on the most effective approach to manage growth and
expansion.

Landlords

Expert accountants for landlords. Maximise rental profits, minimise tax & stay HMRC compliant. Tailored property tax advice. Get optimised today

Medical Professionals

As expert medical accountants we combine extensive sector expertise and technical knowledge of healthcare accounting to support your
business.

Hospitality

Specialist hospitality accountants optimising margins, tax & growth for UK restaurants, hotels & bars. Sector-specific financial
solutions.

Construction Industry Scheme (CIS)

Specialist CIS accountants helping contractors & subcontractors reclaim overpaid tax, avoid HMRC penalties & streamline compliance. Get expert support.

Musicians

Specialist accountants for musicians & entertainers. Tax, bookkeeping, royalty advice, financial planning, and expert support to save you
money.

Actors

Specialist accountants for actors UK. Sigma helps performers manage taxes, bookkeeping, and finances, keeping more of what they
earn.

Entertainers

Specialist accountants for entertainers & artists. Sigma UK helps actors, musicians & creators with tax, expenses, finances, & financial planning

Influencers

Sigma Chartered Accountants provide tailored financial services for influencers and content creators, offering expert tax advice, cloud accounting, and HMRC compliance.

Self Employed

Sigma Chartered Accountants offer expert financial solutions for self-employed individuals, focusing on tax strategy, streamlined bookkeeping, and ensuring complete HMRC compliance.

Barristers

Specialist barrister accounting and tax services in the UK. Dedicated accountants helping barristers stay compliant, optimise tax, and manage finances efficiently.

Taxi Drivers

Expert tax accountants for taxi drivers. Maximise your expense claims and reduce taxes with tailored accounting services. Get the support you need today!

Restaurant

Expert restaurant accounting to reduce costs & boost profits. Tax planning, bookkeeping & financial strategies for UK hospitality.

Dentists

Dental Accounting Experts UK helping dentists and clinics grow profits, cut tax, and stay compliant with personalised accounting support.

Locum Doctors

Specialist accountants for locum doctors & pharmacists. IR35 experts, NHS pension advisors, and tax-saving strategies. Tailored fixed-fee accounting.

For further queries or want to learn more about our services.