Built for owners, not spreadsheets

Every property you own, one clear view.

Track value, rent, compliance deadlines and every document across your whole portfolio, built to grow with whatever you own next.

No credit card to start · set up in minutes
Portfolio Value
€1.84M
Monthly Yield
€4,120
Net across 3 let properties
Avg. Gross Yield
5.4%
Portfolio-weighted
Built around real obligations, not generic checklists
IMIIRS Categoria FImposto do SeloCaderneta PredialRecibos de Renda
Why it exists

Everything about a property, in one place — not six tabs and a folder of PDFs.

Built by an owner who got tired of tracking rent, tax deadlines and documents across spreadsheets, email threads and a drawer of paper.

Portfolio, not properties

See total value, yield and occupancy across everything you own at a glance, then drill into any single property for the full picture.

Deadlines that find you

IMI, insurance renewals, licence expiries, tenancy renewals — laid out on a single timeline so nothing quietly lapses.

Upload once, done

Drop in a Caderneta Predial and the details populate themselves — no retyping VPT, article numbers or areas by hand.

Compliance timeline

A single line, every deadline on it.

Colour-coded by urgency, grouped by property, so a renewal 90 days out never quietly becomes a renewal you missed.

Illustrative example

Insurance renewal
Casa Alvor · Oct 29
EPC expiry
Flat 12B · Dec 3
Licença de utilização
Casa Alvor · Dec 28
Tenancy renewal
Flat 12B · Feb 6
Plans

Start free. Upgrade if you need to.

Free stays free, forever, no card needed — it's the point of entry, not a trial with a deadline. Upgrade any time your portfolio outgrows it.

Free
$0
Free forever, no card needed — upgrade any time
Up to 2 properties, 1 owner
Manual tax obligation tracking
Document uploads
Get started free
Owner
$9/month + VAT
Up to 8 properties, 1 owner
Everything in Free
Tax tracking with CSV import
Portfolio summary report
Start with Owner
Recommended
Portfolio
$24/month + VAT
Up to 30 properties, unlimited owners
Everything in Owner
Caderneta Predial auto-import
Full IMI & IRS deadline automation
Tax summary & per-asset P&L reports
Annual rent-increase letters
All reports, with CSV export
Priority support
Start with Portfolio

Solar is a solo project, built and maintained by one person. I'll keep it running for as long as the domain stays active — longer if it finds its footing. I'm not a professional developer, so occasional bugs are possible; please don't treat it as your only record for anything critical.

Stop tracking your portfolio in six places.

Set up your first property in a few minutes.