Your trusted adviser for R&D Tax Credits, Creative Tax Relief, and R&D Grants
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HMRC R&D Tax Enquiry Defence Fees :
Your trusted adviser for R&D Tax Credits, Creative Tax Relief, and R&D Grants
HMRC R&D Tax Enquiry Defence Fees :
At Myriad, we believe in complete transparency around our pricing.
We start with a fixed-fee initial review and, if further work is required, support continues on a time and materials basis using clear, role-based hourly rates.
Our initial engagement focuses on reviewing all documentation, producing a gap analysis and recommendation report.
This covers a detailed review of your HMRC correspondence, claim report, and costing schedules, carried out by a senior R&D specialist.
You will receive a Gap Analysis and Recommendation Report, highlighting:
When ongoing support is required beyond the initial two-hour review, our work is billed on a time and materials basis at the following hourly rates:
Our team is dedicated to getting you the best result from HMRC. To achieve this, our services include:
When ongoing support is required beyond the initial two-hour review, our work is billed on a time and materials basis at the following hourly rates:
A Solicitor's Office and Legal Services (SOLS) review involves an internal HMRC legal review where the Compliance Officer provides all relevant materials to the Solicitor’s Office. Myriad’s role is limited to preparing a concise written representation, resulting in fewer hours.
In contrast, Alternative Dispute Resolution (ADR) requires structured preparation, mediation attendance, and evidence review — typically involving 20 to 40 hours of combined technical and tax specialist time.
In our experience, SOLS can be helpful but more often than not results in a review that agrees with HMRC’s decision to reject. ADR has seen more favourable results.
The fixed-fee review provides immediate value and clarity before any wider engagement. It allows our team to assess your HMRC correspondence, R&D claim, and supporting documents before you commit to further work.
You’ll receive a Gap Analysis and Recommendation Report outlining risks, HMRC focus areas, and suggested next steps, with no obligation to continue.
If further work is required, it is billed on a time and materials basis using the hourly rates shown above. Time is recorded in 15-minute increments and invoiced monthly with detailed timesheets, ensuring full transparency and cost control.
Each enquiry benefits from a combination of expertise: Technical Analysts defend the scientific or technological advancement, R&D Taxation Experts address cost eligibility and apportionment, and Directors or Partners oversee strategy and negotiation with HMRC.
This ensures work is completed by the most appropriate team member, keeping your defence cost efficient while maintaining quality and compliance.
The time required depends on the number and complexity of R&D projects under review, whether HMRC challenges both technical and cost aspects, the availability and quality of supporting evidence, and HMRC’s responsiveness.
We provide written time estimates before starting and regular progress updates throughout.
Our fees will only ever exceed our estimates with your approval.
If an enquiry becomes more complex than expected, we’ll update you with a revised estimate and explanation. No additional work will ever be undertaken without your written consent.
No – all fees are fully transparent and agreed in writing. There are no success fees, uplifts, or administrative charges. If travel or attendance at in-person meetings (e.g., at First-Tier Tax Tribunal) is required, this are quoted separately at cost and pre-approved.
Compliance check support is primarily defensive work, so it’s normally provided on a time and materials basis.
However, where HMRC reverses a decision and reinstates a payable credit, we can agree a capped success-fee element on a case-by-case basis.
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Is your business registered for Corporation Tax in the UK or are you a partnership with corporate owners?
Have you developed new or improved existing products, processes or services in the last 2 accounting periods?
Does your business have fewer than 500 staff, and either: A turnover of no more than €100 million; or Gross assets of no more than €86 million?
Sorry, you must be a UK limited company or be a Partnership with corporate owners to be eligible for R&D tax credits.
In order to qualify for R&D tax credits you must be seeking to advance science or technology within your industry. As you’ve not developed any new or improved any existing innovative tools, products or services, and not re-developed any existing products, processes or services in the last 2 years. It is unlikely you have any qualifying activity. If you’re unsure, email or call us and we’ll help clarify.
In order to claim R&D tax credits, you need to either employ staff or spend money on contractors, consumable items and other items. If you’re unsure, email or call us and we’ll help clarify.
Thanks for that!
Congrats!! Based on your previous answers, you will qualify for the SME scheme. If you’d like some help maximising and securing your claim, please email or call us.
Congrats!! Based on your previous answers, you will qualify for the RDEC scheme. If you’d like some help maximising and securing your claim, please email or call us.
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