Solvo

For certified accountants

Every client's Anexo F. The right rate on every lease.

In 2026 four regimes compete on every rent and the most favourable always applies. It's new, complex and easy to get wrong. An engine that gets it right, per lease, across the whole book.

Open the practiceFree while you test it. Tell us where it's wrong.

Portfolio sweep

Every client in one view, ranked by what they're overpaying. The email you'll send.

Bulk Anexo F

One year, every client, ready to transcribe. Print and CSV.

Deadline board

IMI, AIMI, rent updates, IMT refunds, mortgage resets — for every client, by date.

Your brand

Practice name, initials and colour at the top of every report.

How it works

  1. 1

    The client exports

    From Landlords → Settings, a file with properties, leases and transactions.

  2. 2

    You import it

    One click. The client appears with Anexo F, audit and deadlines.

  3. 3

    You send the number

    “You're overpaying €2,340 a year.” With your name at the top.

€149/month

Unlimited clients. One accountant brings fifteen landlords.

Open the practice

2026 rules, verifiedThe tables are checked against the legislation in force, and the rule version appears on every result.
Every number says where it came fromNo result appears without the law behind it and a plain statement of what it assumed.
Your data is yoursThe book lives in your browser. Without an account nothing leaves the device; with one, you can export everything whenever you like.