Summ is collaborating with the Association of Taxation Technicians (ATT) to support tax professionals working with crypto and digital asset activity across the UK.
As crypto continues to intersect with mainstream finance, tax advisers are increasingly required to interpret complex transaction data spanning multiple platforms, wallets, and blockchains. This collaboration brings together ATT’s role in advancing professional standards with Summ’s accurate reporting, helping practitioners approach crypto-related reporting with greater confidence.
Helping advisers navigate crypto tax complexity
Crypto tax challenges rarely come from a single transaction. Instead, they often arise from fragmented data, on-chain activity, and inconsistent records across systems that weren’t designed with tax reporting in mind.
Summ is built specifically to address these challenges. Through this collaboration, ATT members can better understand how crypto tax software like Summ helps support accurate and compliant reporting by enabling users to:
- Track activity across wallets, exchanges, and blockchains in one place
- Automatically categorise on-chain and off-chain transactions
- Calculate capital gains, income, and cost basis with accuracy
- Produce clear, accountant-ready crypto tax reports
By reducing reliance on manual spreadsheets and reconciliation, practitioners can spend less time fixing data issues and more time advising clients.
About Summ
Summ is a crypto tax platform built to simplify tax reporting for crypto users and professionals worldwide. Supporting over 3,500 wallets, exchanges, and blockchains, Summ helps generate compliant, accountant-endorsed tax reports covering a wide range of crypto activity, including DeFi and on-chain transactions.
About the Association of Taxation Technicians (ATT)
The Association of Taxation Technicians (ATT) is the leading UK professional body for tax compliance professionals. The ATT promotes high standards of tax practice through education, qualifications, and engagement with policymakers, supporting its members across the UK tax system.
The information provided on this website is general in nature and is not tax, accounting or legal advice. It has been prepared without taking into account your objectives, financial situation or needs. Before acting on this information, you should consider the appropriateness of the information having regard to your own objectives, financial situation and needs and seek professional advice. Summ (formerly Crypto Tax Calculator) disclaims all and any guarantees, undertakings and warranties, expressed or implied, and is not liable for any loss or damage whatsoever (including human or computer error, negligent or otherwise, or incidental or Consequential Loss or damage) arising out of, or in connection with, any use or reliance on the information or advice in this website. The user must accept sole responsibility associated with the use of the material on this site, irrespective of the purpose for which such use or results are applied. The information in this website is no substitute for specialist advice.



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