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Your Own Dedicated Accountant 


No Contracts, Joining or Exit Fees

Over 35 Years Combined Experience

Fast, Efficient and Proactive Service

Unlimited Phone & Email Support

Busy with your latest contract, running your business or taking care of multiple properties? Its easy to let your paperwork slip!


Numerico is a proactive accountancy firm who go the ‘extra mile’ to help your business succeed, save money and meet all your accountancy and tax returns deadlines.

If you’re looking for a chartered accountant for your business, give us a call. We have over 35 years of combined experience serving contractors, freelancers, small businesses, landlords and block management companies in London, Hertfordshire, Surrey and the East Midlands.

Free Consultation

Your first meeting with us is completely free of charge.

You will receive tax and business advice, tailored to your individual circumstances.


Book your free consultation 

Why Numerico?

Fast, responsive, professional accounting service.

We work with you to provide a first-class service along with good advice. 


Find out more 

Our Services

Numerico Chartered Certified Accountants have over 35 years of combined experience and provide a proactive and efficient service for your business.


Find out more 

Are you looking to find a reliable accountancy firm you can trust? 

We are firmly committed to provide an excellent professional service to our clients, we are proud of our work and your success is ultimately our success.


At Numerico, we take a genuine interest in your business and are firmly committed to providing an excellent professional service to our clients.

We guarantee to:
  • Meet deadlines for submission of your accounts and returns;
  • Carry out all accounting work "in house" by our qualified accountants;
  • Promptly respond to any correspondence from you or the authorities with regards to your tax affairs;
  • Provide you with a friendly and efficient service;
  • Take necessary steps where possible, practical and within the law to reduce your tax bill.


Contact us today to arrange your Free initial consultation 

What Our Clients Say

Piece of Mind

"Whenever I've had a question on tax compliance, Sasha has had the answer. This gives great piece of mind to any business owner." Eoin Ryan, MECOMM Ltd

Fast, responsive and professional

"Fast, responsive and professional; Numerico have consistently delivered a first-class accounting service for my business." Dan Magill, Baseline Digital Ltd

Extremely pleased with the level of service

"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." Inma Gell, Diamond Managing Agents

Proactive and Efficient

"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." David Staddon, RA Advertising Ltd

Outstanding quality of service

"Outstanding quality of service, strong multi-language support. I can recommend Sasha especially for people with Russian native language who are not in British Accounting Terminology." Boris Porotsky, Boris Porotsky Services Ltd

Professionalism and Thoroughness

"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." Ali Mackenzie, Ecofit Office Interiors Ltd
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ACCA Accredited

Numerico Chartered Certified Accountants is accredited by the ACCA, which means we are wholly composed of Chartered Certified Accountants and covered by ACCA’s Group Consumer Credit Licence under the terms of the Consumer Credit Act 1974.



Hamilton House Harpenden Hall
Bell street Southdown Road
Reigate Harpenden