About us

Helena Hastie - Certified Bookkeeper


Helena is qualified as a bookkeeper and is regulated by the Institute of Certified Bookkeepers. She offers

full bookkeeping services along with VAT returns and the preparation of end of year accounts for sole

traders, partnerships and limited companies. Her career includes administrative roles in the charitable

sector and most recently running a successful online retail business. This business provided great

experience in the bookkeeping needs of a small business.


"I ran my own online retail business from 2009-2014. Learning through experience

taught me how tricky it can be to keep accurate records of all of your transactions and to comply with

all tax requirements. I used the services of an accountant to help me get to grips with the business

accounts and then  took the step of training to do the accounts myself.


This experience of running my own small business along with running a family of 4 children has given

me a helpful insight into what kinds of assistance small businesses need. 


I live with my family in Talaton, East Devon."


Helena specialises in setting clients up on cloud software; VAT compliance including the VAT margin scheme;

and doing self assessment tax returns.

Cathy Culshaw - Accounts Assistant


Cathy is an experienced manager and administrator. She assists with client files and provides crucial administrative support. She specialises in keeping us organised and efficient whilst meeting client deadlines. Cathy joined Serenity in 2016 and has gained valuable skills particularly with Quickbooks Online and with bank reconciliation.

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