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Welcome to Nick Callen Chartered Accountant website

I am an experienced Chartered Accountant and Tax Adviser (with an office in Bristol) providing online accounting services to customers within the UK, Europe and the USA.

I have had many years of experience in dealing with small and medium-sized businesses and online accounting services, and I understand the advantages that they bring in terms of efficiency and cost effectiveness.

Furthermore, clients are automatically covered under my Tax Enquiry Insurance scheme, which protects against the professional costs of defending you in the event of a tax enquiry by HMRC. You will also benefit from unlimited free access to the Tax Wise Employment and Health & Safety Support Service.

Why choose Nick Callen?

  • I provide a friendly, personalised, first class accounting and taxation service - you will only deal with me
  • I will work for you and your wealth maintenance
  • All services are delivered to you in accordance with a pre-agreed timetable
  • I offer a cost-effective and efficient Online Accountant UK service.

What do my clients think?

"I've relied upon Nick's professional services since 2005. He is always accessible, reliable and accountable but without the hassle of transport. This certainly works for me."

G. Ritchie

22 May 2019

Research suggests many individuals 'unaware of IHT rules' when gifting money

Research carried out by the Institute for Fiscal Studies (IFS) and the National Centre for Social Research (NCSR) has suggested that only 45% of individuals seeking to gift money are aware of inheritance tax (IHT) rules and exemptions.

21 May 2019

OTS calls for review of PAYE system

In a new report, the Office of Tax Simplification (OTS) has called for the Pay as You Earn (PAYE) system to be reviewed, to ensure tax agents can 'see relevant client information' and 'access a number of key services'.


Xero Partnership


How Online Accounting Works