Tax Incentives Assistant Manager

Grant Thornton Ireland is rapidly approaching 3,000 people, in 9 offices across Ireland, Isle of Man, Gibraltar and Bermuda. With a presence in over 149 countries and a global network of 73,000 people, we bring local knowledge, national expertise and global presence to help clients succeed wherever they’re located.

Job Description

Role Overview

The Assistant Manager will work within the Tax Incentives team in preparing R&D Tax Credit, Capital Allowances, and Patent Box claims for clients across multiple sectors including technology, manufacturing, life sciences, and financial services.

Roles and Responsibilities:

• Manage the preparation of R&D Tax Credit, Capital Allowances, and Patent Box claims for clients.
• Analyse project costs to determine qualifying expenditure.
• Perform detailed cost analysis and reconciliations.
• Prepare financial schedules and supporting documentation.
• Ensure claims meet the requirements set by the HMRC.
• Maintain accurate working papers and audit trails.
• Support responses to any HMRC audits or queries.
• Be responsible for managing multiple client engagements.
• Contribute to continuous improvement of claim preparation processes.

Qualifications:

• 3+ years post‑qualification experience in the R&D tax credit area with relevant tax qualifications required.
• Demonstrated ability to lead client engagements, manage stakeholder relationships and deliver high‑quality results within tight timeframes.
• Strong Microsoft Excel and financial modelling skills.
• Understanding of financial statements and cost analysis.

Job Info

• Job Identification 115042
• Job Category –
• Posting Date 05/28/2026, 03:38 PM
• Degree Level No Formal Education
• Job Schedule Full time
• Locations 12-15 Donegall Square West, Belfast, BT1 1BG, GB

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