Claimer
Technology-enabled platform helping businesses identify, prepare, document and manage research-and-development tax relief claims.
claimer.ioClaimer 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.
Principal activities
Initial evaluation of qualifying activities and potential claims.
Collection of financial and technical information and preparation of supporting documentation.
Workflow, records and support designed to strengthen consistency and audit readiness.
- Typical clients: Corporations, private businesses, investment firms, in-house tax departments, finance leaders and professional advisers.
- Engagement context: Corporate tax planning, cross-border operations, transactions, reporting, indirect tax, credits, incentives and tax-process improvement.
Claimer operates where tax rules interact with corporate structure, capital allocation, transactions, reporting obligations and operating processes. View the firm’s relevant services ↗
Sector and mandate coverage
- Software and technology
- Engineering
- Manufacturing
- Life sciences
- Professional services
- Growth companies
- R&D tax relief
- Technical narratives
- Claim calculations
- Documentation management
- Compliance support
- Audit readiness
The precise scope depends on the taxpayer, jurisdictions, legal entities, ownership structure, transaction perimeter and reporting requirements. Tax advice may require coordination with legal counsel, auditors, valuation specialists, technology providers and local professional firms.
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 an exhaustive competitor set or an 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 roles available in the public sources reviewed on 20 August 2026. View current leadership information ↗
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 |
| Registration identifier | N/A |
| 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 institutions and subjects
Sources and data transparency
The following sources were accessed on 20 August 2026:
- R&D Tax Relief Platform — corporate tax, specialty tax or tax-technology capabilities.
- Claimer — firm overview, services and institutional information.
- Advisory Ranking — Top 20 Corporate Tax Advisory 2026 inclusion and tier classification.
