Accounts, Taxation, Payroll, Consultancy, Audits

Accountancy Services in the North West

If you have a new or existing business, then contact Donaldson & Thompson. We will assist you with structuring your business through sound financial planning and appropriate advice on all related business matters.


Over 100 years of experience in accountancy

Whether you are starting a new business or need expert advice on how to grow your current business, Donaldson & Thompson can help. We offer a range of services to businesses across the North West of Ireland. Please see below.

Donaldson & Thompson Logo Isolated

Our Services


Support services

  • Management accounts and information

  • Payroll services including sub-contractor returns

  • Bookkeeping

  • Budgets, business plans and forecasts

  • Liaising with banks and institutions


Compliance services

  • Statutory audits

  • Annual accounts preparation

  • Company secretarial services

  • Grant claims


Consultancy & Systems Advice

  • Management consultancy

  • IT advice on accounting systems

  • Payroll systems


Forensic accountancy services

  • Financial investigations

  • Matrimonial assistance

  • Loss of earnings


Personal tax

  • Inheritance tax and estate planning

  • Self-assessment

  • Tax planning


HMRC Investigations / Revenue audit

  • Sole traders and partnerships

  • Companies

  • Individuals



  • General advice

  • Registration & filing

  • Cross-border transactions

  • Assistance with MTD compliance (UK)

debit card

Corporation tax services

  • Self-assessment

  • Planning



  • BIK advice

  • Compliance


Specialist services

  • Charities

  • Cross-border taxation

How We Process Personal Data

Privacy Policy & Terms & Conditions

1. How we process personal data
For people who contact us through our website
We use the personal data you have provided to us to respond to your queries when you contact us.
Our legal basis for this processing is our legitimate interest in the administration and operation of
our firm. If you become a client, your personal data will become part of your file with us. If you do
not become a client, we will delete your personal data 3 months after your last contact with us.
For people whose information we received from one of our clients
If you are an employee, contractor, customer, supplier, or family member of one of our clients, we
might receive and process your personal data as part of our engagement with that client. That
personal data may include your name, contact information, financial information such as salary or
payments, and other information held by our client. We will only process your data in order to
provide our accounting, tax, audit or other services to our client. Our legal basis for this processing is
our legitimate interest in fulfilling our professional and contractual obligations to our clients. We
retain this data for a period of 7 years because we believe we have a legal responsibility to retain it
for this period.
2. Whom we share data with
We share your personal data with our IT service providers, including our taxation and accounting
software providers. These providers are not permitted to use this data, except on our behalf. We
may share your personal data with advisors who are subject to rules of confidentiality. We may also
be obliged to provide access to your personal data to regulators, including our professional body.
If we received your personal data from one of our clients, then we also share your personal data
with that client.
We will not share your personal data with any other third parties, unless we have a legal or
professional duty to do so.
3. Automated decision-making and profiling
We do not use any personal data for the purpose of automated decision-making or profiling.
4. Your rights
You have the following rights under the GDPR, in certain circumstances and subject to certain
exclusions, in relation to your personal data:
• Right to access - you have the right to request a copy of the personal data that we hold about you,
together with other information about our processing of that personal data.
• Right to rectification- you have the right to request that any inaccurate data that is held about you
is corrected, or if we have incomplete information you may request that we update the information
such that it is complete.
• Right to erasure - you have the right to request us to delete personal data that we hold about you.
This is sometimes referred to as the right to be forgotten.
• Right to restrict or object to processing - you have the right to request that we no longer process
your personal data for particular purposes, or to object to our processing of your personal data for
particular purposes.
• Right to data portability - you have the right to request us to provide you, or a third party, with a
copy of your personal data in a structured, commonly used machine readable format.
•Right to withdraw consent - if we are processing personal data based on your consent, you may
withdraw that consent at any time.
In order to exercise any of the rights set out above, or if you have questions or
concerns about how we process your data, please contact us at [email protected] or by post at 3 Limavady Road, Londonderry, BT47 6JU. You also have
the right to lodge a complaint with the Information Commissioner's Office, whose
contact details are as follows:
Information Commissioner's Office, Wycliffe House, Water Lane, Wilmslow,
Cheshire, SK9 5AF
Telephone 0303 123 1113 (local rate) or 01625 545 745

Contact Us

Get in touch

We are always happy to talk to you about what’s best for your needs. Contact us to find out what we can do for you.