Meet the Team

Numerical are regulated and licensed by the Association of Accounting Technicians (AAT). An AAT Accountant is a qualified accounting professional with the practical and technical skills needed to support your business with your accounting activities.

The AAT are also Numerical’s Anti-Money Laundering regulatory body ensuring the highest level of ‘due diligence’ is provided both internally and externally allowing you peace of mind.

Meet the Team


Vicki Sanders

FMAAT AAT Licensed Accountant

Numerical was set up in 2011 by Vicki Sanders after her successful completion of the AAT. Having worked in the field of bookkeeping and accountancy since 2004, Vicki set up her own company allowing her to empathise with her clients, understanding the challenges and rewards of being a business owner.

Vicki now specialises in strategic financial planning highlighting areas of potential growth for your business.

Away from the office, Vicki enjoys spending time with her friends and family and renovating her new home.


Martyna Pietrowska

Martyna only started working at Numerical in February 2017 and is loving the practical element of her job role. Martyna is responsible for the administration of the company and helps process the client's data. Currently, she is completing her AAT level 3 course and is determined to go for level 4 next year.

In her spare time, Martyna is a big camping lover and spends as much time as possible in a tent away from town.


Chelsey Ashdown

Chelsey joined the team in March 2016 as our apprentice. She has gone from strength to strength and has recently completed her Level 3 AAT (Association of Accounting Technicians). Chelsey is focused on continuing her learning and is now looking to continue her studies for Level 4.

Chelsey thrives to provide a high-level service to each and every client. She enjoys the varied work and is certified in Xero, our preferred cloud-based accounting package. She is loving the evolution of technology and recognising the positive impact it has in saving businesses time and money.