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Company details

  1. Tax Preparation Software
  2. Accounting Software Company
  3. Software Company
  4. Tax Assessor
  5. Tax Preparation

Written by the company

FiscalFox helps UK investors calculate capital gains tax from their broker files. Upload CSV or Excel statements, combine multiple accounts, and review your gains, losses and estimated tax. FiscalFox applies the same-day, 30-day and Section 104 share-matching rules, with clear workings for each disposal. It’s free to calculate, with optional downloadable reports for Self Assessment. Built in London by Rolling Sloane Technology Limited.


Contact info

4.0

Great

TrustScore 4 out of 5

4 reviews

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4.0

All reviews

(4)

0 reviews in the last 12 months

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Rated 5 out of 5 stars

I no longer cry during tax season

Previously my capital gains method was 15 broker CSVs, a whispered prayer to the Section 104 pool, and a final number I can only describe as "vibes."

FiscalFox does the actual HMRC matching (same-day, 30-day, pooling) and shows the workings, so I can see how it got there instead of believing in it like a religion. Uploaded my exports, gains on screen in minutes, SA108 figures box-ready.

The fox has seen my trades and did not judge me. Ten out of ten.

July 30, 2026
Unprompted review
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Rated 5 out of 5 stars

Useful and Easy to Use Tool

Really easy to use, straightforward, and saved me the hassle of using an accountant. Great tool and excellent user support for any questions too.

August 12, 2026
Unprompted review

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