Taxes

Investor tax assistant

Turns your trades into a clear "put X € in box Y" report for the Spanish tax return: FIFO gains and losses, dividends, loss offsetting and warnings for the cases people miss.

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Where do you file?

More countries are on the way. The engine is multi-country from day one.

TrimmTrack is not a tax advisor and this report is orientative and educational only: it is not tax or legal advice. Always verify amounts and boxes in Renta Web or with a professional. Disclaimer

What does this assistant do?

It takes your trades (from your TrimmTrack portfolio or an Excel) and computes what the return needs: the net balance of FIFO gains and losses on disposals, investment income (dividends and interest), cross-offsetting with the 25% cap, the international double-taxation credit and an estimated tax over the savings brackets. It also automatically flags cases people miss, like the two-month rule or the Modelo 720 thresholds.

How does it work?

Pick country and tax year, load your data, review the detected operations, answer four optional questions and get the report with every amount and its orientative Renta Web box. Everything is computed in your browser: upload an Excel without an account and nothing is stored anywhere.

Frequently asked questions

Which boxes of the Spanish return do shares and dividends go in?

Orientatively: dividends go under investment income (box 0029), interest in 0027, sales of listed shares under capital gains (boxes 0328 onwards) and the international double-taxation credit in 0588. Numbers can shift between years — always confirm in Renta Web.

How is the gain on a share sale computed?

With the FIFO rule: the shares you bought first are deemed sold first. The gain is the sale value minus the acquisition cost of those specific shares. The assistant computes it automatically for every sale.

What about foreign dividends and double withholding?

The source country withholds a part (usually up to 15% by treaty) and Spain also taxes the dividend. In the return you can credit the foreign withholding up to the treaty cap. If more was withheld (e.g. the US 30% without a W-8BEN), the excess is reclaimed from the source country, not in the return.

Is this tax advice?

No. It's an informative, educational tool that helps you prepare the data. The final result is computed by Renta Web, and complex situations call for a professional tax advisor.

Keep the data always ready

Build your portfolio in TrimmTrack and next year's tax report writes itself: no hunting for Excels or redoing numbers.