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United Kingdom

Accurate crypto taxes.
No guesswork.

4.6/5 Trustpilot
Follows HMRC tax guidelines
Official Partners
25% discount on paid plans*
*Discount on first year only.
Only available to new customers.

Get started in 3 easy steps

01

Connect accounts

Whatever your preferences, we’ve got you covered: Summ (formerly Crypto Tax Calculator) supports over 1m cryptocurrencies and 3,500+ integrations.
02

Review transactions

Seamlessly import your full transaction history.
03

Get tax report

Transform activity from 3,500+ sources into CPA approved tax reports.

Official partners

eToro
Bitstamp
OKX
Phantom
Metamask
Coinjar
Coinbase
Binance

CoinRabbit x Summ

We're offering 10% off your first year for all Rise customers who sign up to Summ (formerly Crypto Tax Calculator).*

With support for over 3,500 exchanges, wallets and blockchains, Summ was built to handle everything from exchange trading to complex on-chain activity, including DeFi and NFTs.

Import your exchange transactions with a single click, and seamlessly transform your crypto activity into CPA approved tax reports. *Terms apply

Get started for free

*Discount on first year only. Only available to new customers.

5-Star Support

Get real help from real people whenever you need it.

Every tax report you need

Turn even the most chaotic trades into tax reports your accountant can understand instantly. Or better yet, file them yourself directly.

Capital gains
Sample
Income
Sample
Transactions
Sample
Expenses
Sample
Audit report
Sample
+8 other detailed reports

Summ supports 180+ countries

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Pay the least tax possible

Least Tax First Out is an exclusive algorithm that optimises your crypto taxes by using the asset lot with the highest coast basis whenever you trigger a disposal event.

Users love us!

Unified tracking and tax reporting for all your crypto assets across exchanges and wallets.

notJohn
@n0tJohn
7 Jan

Have you tried @summ_app? I had good luck with it but yeah definitely needs manual reviews but automates most of them.

Nino Vargas
@niniterre
14 Jan

For anyone else like me who nearly rage quit doing their crypto taxes, check out @summ_app. Totally saved my sanity...

Jules- 🟧⛈️🟣
@julestrades
23 Dec

That time of the year to go through transactions and make sure they are listed properly for tax purposes. Not fun when you have a lot of wallets but  @summ_app makes it this much easier for you.

Smoky Tax
@smoky_tax
18 Dec

Unlike other tax items where you have to wait for 1099s' or bank statements, you can code all of your Crypto and Defi as soon as the ball drops on new years and get a good estimate of where your taxes lie. [Summ] is still my first recommendation for tools.

CorrectsYourBS I NOM
@CorrectsYourBS
13 Jan

I literally could not function without [Summ]. I've got multiple assets on multiple blockchains doing 5-10k transactions a year. Doing that by hand would be pure insanity.

CozShesDead.eth
@CozShesDead88
26 Mar

Just did my crypto taxes with [Summ] and got my report summary. Overall, very pleased with the process! Highly recommend if you have not yet decided on what crypto software to use. Did my taxes in a few hours and going to my tax guy tomorrow.

Liya Dashkina
@liyadashkina
31 Mar

Called my tax accountant to warn him there will be some crypto and NFT stuff this year. His reply wasn't what I expected: “No worries, know all about them! My 13 yo daughter creates NFTs and sells them on OpenSea. And we use [Summ] for our clients” Boom! I chose well 💥💥

Crypto Kryptid
@CryptoKryptid
11 Apr

A cryptid is tentatively back from hiatus but will be keeping update frequency low rn. Uncle Sam unretired me 4 a mission to JPN so had to finish taxes early. Got it done thx to [Summ]. I have no affiliation w/ them. Pls just keep it alive🙏

LukeJ.eth
@LukeJdoteth
16 Mar

Best Crypto tax Software? after importing data onto Koinly, [Summ] and ZenLedger, the clear winner had the best UI. [Summ] is the winner...

notJohn
@n0tJohn
7 Jan

Have you tried @summ_app? I had good luck with it but yeah definitely needs manual reviews but automates most of them.

Nino Vargas
@niniterre
14 Jan

For anyone else like me who nearly rage quit doing their crypto taxes, check out @summ_app. Totally saved my sanity...

Jules- 🟧⛈️🟣
@julestrades
23 Dec

That time of the year to go through transactions and make sure they are listed properly for tax purposes. Not fun when you have a lot of wallets but  @summ_app makes it this much easier for you.

Smoky Tax
@smoky_tax
18 Dec

Unlike other tax items where you have to wait for 1099s' or bank statements, you can code all of your Crypto and Defi as soon as the ball drops on new years and get a good estimate of where your taxes lie. [Summ] is still my first recommendation for tools.

CorrectsYourBS I NOM
@CorrectsYourBS
13 Jan

I literally could not function without [Summ]. I've got multiple assets on multiple blockchains doing 5-10k transactions a year. Doing that by hand would be pure insanity.

CozShesDead.eth
@CozShesDead88
26 Mar

Just did my crypto taxes with [Summ] and got my report summary. Overall, very pleased with the process! Highly recommend if you have not yet decided on what crypto software to use. Did my taxes in a few hours and going to my tax guy tomorrow.

Liya Dashkina
@liyadashkina
31 Mar

Called my tax accountant to warn him there will be some crypto and NFT stuff this year. His reply wasn't what I expected: “No worries, know all about them! My 13 yo daughter creates NFTs and sells them on OpenSea. And we use [Summ] for our clients” Boom! I chose well 💥💥

Crypto Kryptid
@CryptoKryptid
11 Apr

A cryptid is tentatively back from hiatus but will be keeping update frequency low rn. Uncle Sam unretired me 4 a mission to JPN so had to finish taxes early. Got it done thx to [Summ]. I have no affiliation w/ them. Pls just keep it alive🙏

LukeJ.eth
@LukeJdoteth
16 Mar

Best Crypto tax Software? after importing data onto Koinly, [Summ] and ZenLedger, the clear winner had the best UI. [Summ] is the winner...

Built with expert insight

Our platform has been developed with close collaboration from accountants and tax lawyers.

Crypto Tax Calculator does the job spectacularly.

We’ve been looking for a product to help us manage our clients’ crypto tax returns, and Crypto Tax Calculator does the job spectacularly. Not only does the team keeps on top of all HMRC changes so we can have full confidence in the reports we produce, but their product is an efficient way to bring in a client’s data from a constantly growing multitude of exchanges, blockchains, and wallets. Couldn’t ask for anything better.

Joe David
Founder, Myna Accountants
Joe David Photo
Crypto Tax Calculator’s software enables our team to tackle the most complex DeFi scenarios.

From liquidity protocols, to NFT ecosystems, and remain at the forefront of crypto tax reconciliation. As specialists in cryptocurrency reporting, accuracy is completely essential to us, our clients and our accounting partners, which is why we love CTC.

Oliver Woodbridge
Director, Tax On Chain
Oliver Woodbridge Photo
Crypto Tax Calculator is a tool we couldn’t live without.

As an accounting firm that specialises in crypto taxes, Crypto Tax Calculator is a tool we couldn’t live without. Being able to aggregate client’s transactions across all exchanges and blockchains into one data feed brings incredible efficiencies to the crypto tax compliance process.

Marc Phillis
Director, Cryptocate
Marc Phillis Photo

The complete crypto tax solution

All in one portfolio tracker

Track your entire portfolio, PnL and tax liability all in the same place.

Automatically identified tax-saving opportunity

All your transactions clearly grouped by their tax impact with your potential savings opportunity highlighted.

Built for speed

Optimised interface for bulk operations with keyboard shortcuts.
CTC product shot

Complete DeFi support

Unified tracking and tax reporting for all your crypto assets across all your exchanges and wallets.

Complete DeFi support

Unified tracking and tax reporting for all your crypto assets across all your exchanges and wallets.

Altcoin pricing oracle

300k+ currencies priced accurately on import. Historical prices for all micro-cap memecoins.
Altcoin price oracle image

Try Summ today

Import your transactions and generate a free report preview.

Accurate crypto taxes. No guesswork.

Accountant-endorsed tax reports.

Follows HMRC tax guidelines
4.6 Stars on TrustPilot

Official partner OFFER

25% discount on paid plans*

Claim offer

*Discount on first year only.

Official partners
eToro
Bitstamp
OKX
Phantom
Metamask
Coinjar
Coinbase
Binance

KNOW WHERE YOU STAND

01

Connect accounts

Link your wallets and exchanges instantly.

02

Review transactions

Import your transactions with a single click.

Three transaction cards showing: Buy 1.142 Ethereum on 16 Oct 2024, Transfer 3.636 Bitcoin on 01 Nov 2024, and Trade 2.192 Solana on 22 Nov 2024.

03

Get tax report

Generate a compliant report in minutes.

Get started for free

expertly tamed taxes

Unified tracking and tax reporting for all your crypto assets across exchanges and wallets.

Built to support local tax guidelines

Full support for the unique HMRC reporting requirements, including UK specific rules around mining, staking, and airdrops. Same Day and Bed & Breakfast wash sale rules are also supported.

Automated compliance

Fully automated from start to finish. Seamlessly import all your transactions, follow the automated workflow and get your audit-proof tax reports with ease.

Have you tried @summ_app? I had good luck with it but yeah definitely needs manual reviews but automates most of them.

notJohn

@n0tJohn

7 Jan

For anyone else like me who nearly rage quit doing their crypto taxes, check out @summ_app. Totally saved my sanity...

Nino Vargas

@niniterre

14 Jan

That time of the year to go through transactions and make sure they are listed properly for tax purposes. Not fun when you have a lot of wallets but  @summ_app makes it this much easier for you.

Jules- 🟧⛈️🟣

@julestrades

23 Dec

Unlike other tax items where you have to wait for 1099s' or bank statements, you can code all of your Crypto and Defi as soon as the ball drops on new years and get a good estimate of where your taxes lie. [Summ] is still my first recommendation for tools.

Smoky Tax

@smoky_tax

18 Dec

I literally could not function without [Summ]. I've got multiple assets on multiple blockchains doing 5-10k transactions a year. Doing that by hand would be pure insanity.

CorrectsYourBS I NOM

@CorrectsYourBS

13 Jan

Just did my crypto taxes with [Summ] and got my report summary. Overall, very pleased with the process! Highly recommend if you have not yet decided on what crypto software to use. Did my taxes in a few hours and going to my tax guy tomorrow.

CozShesDead.eth

@CozShesDead88

26 Mar

Called my tax accountant to warn him there will be some crypto and NFT stuff this year. His reply wasn't what I expected: “No worries, know all about them! My 13 yo daughter creates NFTs and sells them on OpenSea. And we use [Summ] for our clients” Boom! I chose well 💥💥

Liya Dashkina

@liyadashkina

31 Mar

A cryptid is tentatively back from hiatus but will be keeping update frequency low rn. Uncle Sam unretired me 4 a mission to JPN so had to finish taxes early. Got it done thx to [Summ]. I have no affiliation w/ them. Pls just keep it alive🙏

Crypto Kryptid

@CryptoKryptid

11 Apr

Best Crypto tax Software? after importing data onto Koinly, [Summ] and ZenLedger, the clear winner had the best UI. [Summ] is the winner...

LukeJ.eth

@LukeJdoteth

16 Mar

CoinRabbit x Summ

We're offering 25% off your first year for all CoinRabbit customers who sign up to Summ, formerly Crypto Tax Calculator.*

With support for over 3,500 exchanges, wallets and blockchains, Summ was built to handle everything from exchange trading to complex on-chain activity, including DeFi and NFTs.

Import your exchange transactions with a single click, and seamlessly transform your crypto activity into accurate, accountant-endorsed tax reports with full support for UK tax rules and HMRC reporting requirements. *Terms apply.

Learn More

*Discount on first year only. Only available to new customers.

Official partners

TRACK EVERY MOVE, CATCH EVERY GAIN

Automatically identified
tax-saving

All your transactions clearly grouped with your potential savings highlighted.

All in one portfolio tracker

Track your entire portfolio, PnL and tax liability all in the same place.

Built for speed

Optimised interface for bulk operations with keyboard shortcuts.

Full tax calculation transparency

See the exact breakdown of how each transaction is calculated.

Complete DeFi support

Tracking and tax reporting for all your crypto assets across all exchanges and wallets.

Altcoin pricing oracle

300k+ currencies priced accurately on import, with prices for all micro-cap coins.

Grid of nine connected circular icons showing logos of popular crypto tokens including Orca, The Graph, Axie Infinity, ImmutableX, Shiba Inu, Decentraland, Bitkub Chain, Wanjiku Inu, and Rare Penguin.

Get started for free

Every tax report you need

Turn even the most chaotic trades into tax reports your accountant can understand instantly. Or better yet, file them yourself directly.

Get your report now

Download a sample report

Capital gains

Income

Transactions

Expenses

Audit report

+8 other detailed reports

Frequently asked questions

Quick answers to some of your most common questions.

What is the best crypto tax software for UK investors?

Summ (formerly Crypto Tax Calculator) is the top choice for UK investors because it: Complies with HMRC rules, including Bed and Breakfast and Same Day. Handles complex transactions like staking, DeFi, and NFTs. Generates HMRC-ready reports, including SA100 and SA108 forms. Integrates with popular accounting tools like QuickBooks. With automated features and a user-friendly interface, Summ simplifies tax reporting, saving you time and reducing errors. Sign up today to experience the difference!

Does Summ support HMRC rules like Bed and Breakfast and Same Day?

Yes, Summ is designed to comply with HMRC-specific rules such as the Bed and Breakfast Rule and the Same Day Rule: Same Day Rule: Automatically groups transactions made within the same day and calculates the adjusted cost basis. Bed and Breakfast Rule: Identifies disposals and repurchases within 30 days, adjusting gains or losses accordingly. By automating these calculations, the software reduces errors and ensures your tax reports meet HMRC standards. Generate detailed tax summaries with just a few clicks and save time during tax season.

Does summ software track both income and capital gains taxes?

Yes, Summ (formerly Crypto Tax Calculator) tracks both Income Tax and Capital Gains Tax (CGT). It categorises transactions based on their tax type: Income Tax: Staking rewards, mining income, or payments received in crypto are calculated based on the market value at receipt. CGT: Disposals like selling or swapping crypto are calculated using HMRC’s average cost basis method. Summ simplifies tracking by separating income and capital gains events, ensuring compliance with HMRC rules. It also generates comprehensive reports that include both types of tax liabilities, ready for inclusion in your tax return.

What types of transactions can summ handle?

Summ supports a wide range of transactions, including: Trading: Buying and selling crypto on exchanges. Staking: Rewards earned from staking activities. Mining: Income from mining cryptocurrencies. Airdrops: Tokens received through promotional events. NFTs: Buying, selling, and holding non-fungible tokens. DeFi activities: Including lending, borrowing, and liquidity pools. The software identifies taxable events, applies HMRC rules, and calculates both income and capital gains for accurate tax reporting.

Can I use summ for previous tax years?

Yes, Summ supports retroactive calculations for prior tax years with a single subscription, helping you: Correct missed or inaccurate filings. Report gains and losses from earlier transactions. Carry forward unused capital losses to offset future gains. The software ensures compliance with historical HMRC rules and generates reports tailored to the tax regulations of the relevant year. Whether you're catching up or filing amended returns, Summ simplifies the process.

What crypto tax software integrates with accounting tools like QuickBooks?

Summ's business product integrates with popular accounting tools like QuickBooks and Xero allowing you to: Import transaction data directly into your accounting software. Track crypto-related income and expenses alongside traditional finances. Generate consolidated reports for tax filings and business accounting. These integrations streamline bookkeeping for both individual investors and businesses, reducing administrative workload while maintaining compliance with UK tax laws.

How does HMRC track cryptocurrency transactions?

HMRC uses advanced tools and methods to monitor crypto activity, including: Exchange data: HMRC requires exchanges operating in the UK to share user data. Blockchain analytics: Sophisticated tools trace transactions across public blockchains. International cooperation: Data-sharing agreements with foreign tax authorities enhance visibility into offshore holdings. Using Summ helps ensure all transactions are accurately reported, minimising the risk of discrepancies or penalties.

Exchanges
NFTs
Defi Protocols
blockchains

WE HAVE YOU COVERED

Don’t waste hours combing block explorers and drowning in spreadsheets - import transactions automatically from over 3,500+ sources.

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