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Business Details
21 Years
experience
Chartered Accountants in Surrey & Hertfordshire
Established in 2005, Numerico Chartered Certified Accountants Chartered Certified Accountants provides tailored financial solutions for contractors, freelancers, small businesses, landlords, and block management companies. With over 35 years of combined experience, our team of qualified professionals prioritises proactive service delivery, ensuring compliance with tax regulations while optimising financial efficiency. We maintain offices in Hertfordshire and Surrey, serving clients across London, the East Midlands, and nationwide through remote support.

Our commitment to transparency, fixed-fee structures, and personalised advice has earned us long-term client relationships and industry recognition through ACCA accreditation. By handling accounting complexities, we enable clients to focus on business growth while benefiting from expert tax planning and multi-language support.
Services
Annual Accounts VAT Returns Payroll Services Service Charge Accounting Tax Planning Business Start-Up Advice Management Accounts Self-Assessment CIS Returns Landlord Accounts
Details
  • Year established: 2005
Highlights and features
  • We offer dedicated chartered certified accountants with sector-specific expertise
  • Our fixed-fee pricing guarantees no hidden charges or unexpected costs
  • Over 35 years of combined experience serving contractors and property businesses
  • We provide proactive tax planning and compliance support with quick turnaround
  • ACCA accreditation ensures adherence to highest professional standards
Associations and certifications
  • ACCA
What people say
Professionalism and thoroughness Fast, responsive and professional Piece of mind Outstanding quality of service Proactive and efficient
Services
Annual Accounts Preparation
We prepare statutory accounts and tax returns for limited companies, sole traders, and partnerships. Our service includes corporation tax computations, audit preparation, and compliance with Companies House requirements. Clients benefit from timely submissions and strategic financial reporting that supports business decision-making.
VAT Returns
Our VAT services cover return preparation, payment processing, and scheme selection including cash accounting. We ensure compliance with HMRC requirements while optimising cash flow through appropriate VAT schemes. Clients receive expert guidance on complex VAT matters and cross-border transactions.
Service Charge Accounting
Specialist accounting for residential developments including service charge statements, expenditure verification, and company secretarial services. We support property managing agents with statutory compliance, accounting system advice, and trust fund management across UK developments of all sizes.
Payroll Services
Comprehensive payroll management including CIS returns, tax code compliance, and real-time reporting. Our services cover salary calculations, pension auto-enrolment, and integration with accounting systems. Clients receive timely submissions and expert support for construction industry payroll requirements.
Tax Planning
Proactive tax optimisation strategies for individuals and businesses, including IR35 compliance, capital gains planning, and corporation tax reduction. We provide tailored advice on legal tax efficiencies while maintaining full compliance with current legislation and HMRC guidelines.
People
Sasha Dunn
Partner
Qualified chartered certified accountant with over 12 years' experience, specialising in contractor accounting and service charge accounting. Provides multi-language support and expert tax planning advice to businesses and property management clients across the UK.
Questions
What accounting services do you offer for contractors?
We provide complete financial solutions including annual accounts, tax returns, VAT management, and IR35 compliance support tailored specifically for contractors and freelancers.
Are you ACCA accredited?
Yes, Numerico Chartered Certified Accountants is fully accredited by the Association of Chartered Certified Accountants (ACCA), ensuring adherence to the highest professional standards in all our accounting services.
Do you handle property management accounting?
Yes, we specialise in service charge accounting for residential developments, providing accounts verification, statutory compliance, and company secretarial services for property managing agents.
What areas do you serve?
We operate from offices in Reigate (Surrey) and Harpenden (Hertfordshire), serving clients across London, the East Midlands, and nationwide through remote accounting services.
Is there a free initial consultation?
Yes, we offer a complimentary consultation to discuss your accounting needs and provide tailored advice on tax planning and financial management solutions.
How do you handle tax compliance for businesses?
We ensure timely submission of all statutory returns, provide proactive tax planning advice, and maintain compliance with HMRC requirements through regular client communication and document management.
Reviews (4)
Ali Mackenzie, Ecofit Office Interiors Ltd
Jan 17, 2021 Report
Numerico have been our Accountants for nearly five years and in that time they're professionalism and thoroughness has made the accounts side of running a company a breeze! Always there when needed with good advice and encouragement.
David Staddon, RA Advertising Ltd
Jan 17, 2021 Report
Sasha Dunn of Numerico Ltd has been the Accountant of my company (RA Advertising Ltd) since 2010 and I can testify that she has always been proactive and efficient in her accountancy dealings with us. Things get done when they should be done and the advice on tax planning and other matters is always keen - certainly compared to our Accountant who immediately proceeded Numerico ! Overall I can certainly recommend Numerico as an Accountancy practice for any business seeking to change their current accountancy arrangements.
Inma Gell, Diamond Managing Agents
Jan 17, 2021 Report
I am extremely pleased with the level of service I received and will continue using them over and over again. They were able to produce accurate and effective accounts under tight deadlines. They are reliable and professional. They have adapted to my needs and provided solutions to improve the way I processed financial information for my clients I highly recommend Numerico.
Dan Magill, Baseline Digital Ltd
Jan 17, 2021 Report
Fast, responsive and professional; Numerico have consistently delivered a first-class accounting service for my business.