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Get tax-ready investment reports for Self Assessment

Generate pre-filled tax reports for shares, ETFs, bonds and crypto, with supporting calculations for capital gains, losses, dividends and other investment income under HMRC rules.

7-day free trial. No card required.

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Turning scattered investment data into a reliable tax report is complex

Completing your Self Assessment means bringing together capital gains, dividends and other investment income from across your portfolio.

Those figures need to come from complete records and be supported by the data behind them.

If something is missing or inconsistent, your tax report can be wrong and harder to justify if HMRC asks how a figure was calculated.

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If HMRC asks questions, your figures need to be traceable

Submitting your Self Assessment is only part of the process.

Broker statements and exchange exports rarely provide a complete audit trail across a mixed portfolio.

Without clear supporting documentation, it can be difficult to explain how a figure was calculated or respond to an HMRC enquiry.

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From fragmented data to tax-ready reports

Finbooks reconstructs your investment tax position across shares, ETFs, bonds and crypto, applying the relevant HMRC rules.

Capital gains, losses, dividends and other investment income are calculated and organised into the figures you need for your tax return.

Generate pre-filled tax reports with supporting calculations, ready for your Self Assessment or tax adviser.

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From investment data to tax-ready reports

Gather your investment data

Import activity across shares, ETFs, bonds and crypto through supported integrations, API or CSV.

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Reconstruct your tax position

Calculate gains, losses, dividends and other taxable investment income under the relevant HMRC rules.

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Generate your tax reports

Get pre-filled reports with supporting calculations for your Self Assessment or tax adviser.

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