Accountant for CGT calculation

[Paralytic]

Yes, I'd be more than happy for them to do their own calculations, and I don't think I'd really be asking for a reduced fee, but 20 lines of a spreadsheet doesn't really feel like £1000+ ! I wanted to see their method and what they calculated.

If multiple accountants are asking for £1000, then it seem that is the market rate for what you are asking for. Not wanting to pay the market rate is asking for a reduced fee. If it is just "20 lines of a spreadsheet" then why not do it yourself? By wanting to "see their method and what they calculated", what you're actually asking for is their IP - the logic/algorithm.

I do think calling around a few companies is the best bet. You'll undoubtedly get someone willing to do it for less.

[Yuri F]

I can do it for £400+VAT via my Ltd if it's for UK currency domestic tickers traded via public stock market dealing.
Not an accountant but just completed regular SA submission couple of weeks back, my annual sharedealing summary had 3 A4 pages and several mil. turnover (on regular one, not SIPP/ISA).
Need net consideration from each trade, number of shares, holding at the beginning of tax year, end of year, plus couple of months back and forward (for bed and breakfast rules), and if splits/consolidations were made on a ticker (extra probably about liquidated/taken over but last one would be included as regular closing transaction anyway). The rest is quite straight-forward, by tickers, then total, leaving aside unrealized (into next periods) gains (vs portfolio valuation). Normally quarterly certificates from broker would have have this data.