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Cookstown, Dungannon & Mid Ulster, Co. Tyrone

Accounting expertise you can trust, backed by 13+ years of experience.

Gortreagh Consulting is led by Eoín Brannigan — Chartered Accountant, Accounting Technician and Board Member at ATI — backed by a small Cookstown-based team serving owner-managed businesses across Dungannon, County Tyrone and Mid Ulster, every step of the way.

Xero Silver Partner
Chartered Accountant
Board Member, ATI
Direct access to your accountant

"It comes down to the importance of people and relationships — the best local businesses are built and grown on the strength of good relationships with good people."

— Eoín Brannigan, Director
What We Do

Accounting, tax and advisory — handled personally, from start to finish.

At Gortreagh, the person who founded the firm is the person doing the work, backed by a small local team who genuinely know the clients they work with.

Accounting

Accurate, up-to-date accounts on cloud software you can actually understand, kept current all year round.

  • Year-end accounts & bookkeeping
  • Cloud accounting on Xero
  • Reviewed personally by Eoín
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Tax

Personal and business tax handled properly and on time, with an eye on what you're legitimately entitled to keep.

  • Self-assessment & personal tax
  • Corporation tax, VAT & MTD
  • One point of contact, start to finish
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Business Advisory

A second opinion from someone who built a practice around owner-managed businesses specifically.

  • Business structure & planning
  • Cash flow & forecasting
  • Direct access to Eoín when it matters
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Xero Silver Partner

Live, up-to-date numbers on Xero — cloud accounting set up, managed and checked by Gortreagh, with a real person still reading the numbers.

See how it works

7 Free Tax & Accounting Tools

Take-Home Pay, Salary vs Dividend, Sole Trader vs Ltd Co, VAT, Corporation Tax, MTD Readiness and the Self-Assessment Deadline Countdown — all built on 2026/27 UK tax rules.

Try the free tools
In His Own Words

A trusted adviser who gets to know your business.

13+ years' experience spanning audit and accounts, personal and corporate tax, due diligence, and cloud accounting — plus a board seat at ATI (Accounting Technicians Ireland). Backed by office manager Caitríona and senior team member Adrian, a small, tight team who know every client by name.

More About Us

Let's talk about your business

Book a straightforward, no-pressure conversation with Eoín — find out what a small, hands-on Cookstown practice could do for you.