Free AI Financial Tools
AI-powered calculators built on real UK tax rules. Each tool runs a deterministic engine then streams a personalised analysis from our AI. No signup. No data stored.
Cross-Border Tax & FIG Calculator
UK Statutory Residence Test, FIG regime eligibility, IHT tail analysis, and stay-vs-leave tax projection for internationally mobile HNIs.
Try it free →TRF Optimiser
Optimise your Temporary Repatriation Facility designations. Compare 12% vs 15% vs full UK rates on unremitted foreign income and gains before April 2028.
Try it free →True Cost Calculator
Compare the real cost of 8 UK investment platforms personalised to your portfolio. See hidden fees, 10-year compound drag, and get AI analysis.
Try it free →Tax Leak Calculator
Find out how much tax you're losing by holding investments in the wrong wrapper. Analyses ISA, SIPP, and GIA placement.
Try it free →Portfolio Score
Get a 0-100 score for your portfolio based on allocation alignment, fee efficiency, cash drag, and risk-horizon fit.
Try it free →Inheritance Tax Calculator
Estimate your IHT liability with taper relief, spouse allowances, residence nil rate band, and charitable giving.
Try it free →Capital Gains Tax Calculator
Calculate your CGT using HMRC-compliant matching rules: same-day, 30-day bed-and-breakfasting, and section 104 pooling.
Try it free →SIPP Optimiser
Find your optimal pension contribution with taper analysis, personal allowance trap detection, and employer match modelling.
Try it free →Want all of this, continuously?
Alder monitors your entire wealth, spots opportunities before you do, and explains everything in plain English. Create a free account in 60 seconds.
Talk to AlderThese tools provide general information based on UK tax rules for the 2025/26 tax year. They are not financial advice. Alder is not authorised by the FCA. You should consult a qualified financial adviser before making investment decisions.