Claimer
Technology-enabled platform helping businesses identify, prepare, document and manage research-and-development tax relief claims.
- Highest 2026 tier: Tier III
- R&D tax relief software and services company
- Corporate Tax Advisory
Overview
Claimer was founded in 2019 and developed a digital workflow for R&D tax relief. Its platform is intended to make claim preparation, financial-data collection and technical documentation more structured for growing companies.
The company sits at the intersection of tax software and specialist support. Its relevance is concentrated in R&D relief rather than the full range of corporate tax planning, transaction tax or international structuring.
Claimer is included in one 2026 Advisory Ranking category. The highest recorded classification is Tier III.
Firm facts
| Legal name | Claimer Tech Limited |
| Founded | 2019 |
| Firm type | R&D tax relief software and services company |
| Principal offices | London |
| Primary focus | Technology-enabled R&D tax claim preparation |
| Founder and Chief Executive Officer | Adam McCann |
| Highest 2026 Advisory Ranking tier | Tier III |
Principal activities
R&D eligibility assessment
Initial evaluation of qualifying activities and potential claims.
Claim preparation
Collection of financial and technical information and preparation of supporting documentation.
Claim management
Workflow, records and support designed to strengthen consistency and audit readiness.
Claimer works with clients on assignments that may combine strategy, specialist analysis, implementation support and organizational adoption. The precise scope depends on the mandate, sector, geography and client requirements.
Sector and mandate coverage
Sector coverage
- Software and technology
- Engineering
- Manufacturing
- Life sciences
- Professional services
- Growth companies
Tax and mandate types
- R&D tax relief
- Technical narratives
- Claim calculations
- Documentation management
- Compliance support
- Audit readiness
Market position
Claimer is positioned as a r&d tax relief software and services company. Its relevance reflects the depth of its tax specialization, corporate-client orientation, technical delivery model and ability to support complex or recurring tax requirements.
Distinctive focus: A streamlined, technology-enabled workflow focused specifically on R&D tax relief claims.
Competitive context
Claimer competes with tax-led professional-services firms, independent accounting networks, specialist consultancies and tax-technology platforms. The relevant peer set varies by jurisdiction, client size, tax type and whether the mandate requires strategic advice, compliance execution, specialist documentation or software.
Comparable firms are selected according to overlap in business model, client segment, service coverage, geographic activity and mandate profile. Inclusion does not imply equivalence in scale, ranking or market position.
Leadership
| Person | Current position | Institutional background |
|---|---|---|
| Adam McCann | Founder and Chief Executive Officer | Company formation and R&D tax technology |
Leadership information reflects the public sources reviewed for this profile. View the firm’s website ↗
Corporate and regulatory information
Claimer provides technology-enabled R&D tax relief support. The precise scope of regulated tax or accounting advice depends on the service, professional involved and contracting entity.
View registered-entity details
| Principal entity | Claimer Tech Limited |
| Service status | Tax technology and claim support |
| Professional status | Service-specific |
| Primary jurisdiction | United Kingdom |
Principal offices
- London
Rankings and recognition
Ranking inclusion is editorially determined. The existence or maintenance of a Wiki profile does not influence ranking eligibility, tier or position.
Related Economy analysis
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- The Silent Reshuffle of the Advisory Market
Related institutions and subjects
Sources and data transparency
The profile is based on the following publicly available institutional, regulatory and editorial sources:
- Claimer — firm overview, services and institutional information.
- Advisory Ranking — Top 30 Corporate Tax Advisory 2026 — inclusion and tier classification.
