Short-Term Rentals
Listings on Airbnb and Booking.com. Dynamic pricing, pro photography, guest vetting, check-ins and hotel-grade turnover.
- Multi-platform listing
- Smart pricing algorithms
- Professional cleaning & linen
Premium Property Management · Based in Portugal · Serving the World
Your property, effortlessly managed. Simplify. Rent. Earn.
You hand us the keys — we take care of every detail. From short-stay guests to long-term tenants, Strong Key delivers your income with zero hassle.
Premium Cleaning & Linen Services
24/7 Owner Support
Smart Guest Screening
4.8 ★ Average Guest Rating
Trusted across platforms
Airbnb
Booking.com
Uniplaces
Spotahome
Housing Anywhere
Inlife Housing
Idealista
What we do
Full-service property management,
built around you.
Short, mid and long-term rentals. Marketing, guests, tenants, maintenance — handled end-to-end with the rigor your asset deserves.
Mid & Long-Term Leases
Qualified tenants, watertight contracts, monthly collection and compliance — the stability of a traditional lease without the paperwork.
- Background & credit checks
- Legal contract drafting
- Rent collection & reporting
Maintenance & Supervision
A curated network of trusted vendors for repairs, deep cleans, refurbishments and inspections — supervised by us, invoiced transparently.
- Vetted vendor network
- Preventive inspections
- Transparent cost control
Revenue Optimization
Market benchmarking, seasonal strategy and monthly owner reports — so every square meter you own is working at peak.
- Dynamic rate tuning
- Monthly P&L reports
- Listing performance analytics
Compliance & Insurance
AL licensing, tourist tax filings, GDPR-grade guest data, and fully insured operations. Safety and legality, on autopilot.
- AL licensing support
- Tax filings & declarations
- Damage protection
Concierge services
Multilingual support for tenants and guests. Every issue is resolved swiftly — you only hear from us when it matters.
- Multilingual team
- Rapid-response SLA
- White-glove guest care
"
You hand us your home. We handle every single detail.
Zero worry, zero hidden fees, full transparency. One point of contact, multilingual team, end-to-end operation.
Strong
Key
Est. Portugal
Fully insured
AL licensed · GDPR-compliant
About Strong Key
A Strong Key means security, peace of mind, and results.
The name isn't an accident. A Strong Key stands for the safety and tranquility every owner deserves. You hand us your home — we take care of every single detail, so your investment works harder than you do.
Based in Portugal and built for both national and international owners, we combine local on-the-ground operations with the reporting, responsiveness and polish global clients expect. One team. One key. Every detail handled.
- 🇵🇹 Based in Portugal
- 🌍 International owners welcome
- 🗝️ Single point of contact
- 📊 Monthly transparent reporting
How it works
Four steps from keys to income.
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01
Assessment
A free walkthrough of your property. We assess potential, strategy and the rental model that best fits your goals.
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02
Onboarding
Photography, listing optimization, legal setup and smart pricing. Your property goes live in days, not weeks.
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03
Operation
Guests, tenants, cleanings, maintenance — handled by our on-site team while you track everything in your owner portal.
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04
Income
Monthly payouts, transparent P&L reports and continuous optimization. You collect. We keep it running.
Every square meter you own, working at its peak.
From the first click on your listing to the monthly report in your inbox — our team makes sure your asset performs.
A glimpse of our portfolio
Some of the properties under our care.
T2
Vibrant Lisbon Escape with Private Patio
T2
Central Lisbon Stay with Terrace
T1
Inspiring Historic Charm Near Castle
T2
Sunny 2 Bedroom Apartment · Balcony & Rooftop Views
T2
Modern Zen Retreat by Time Out
T10
Ideal House for Lisbon & Cascais
T1
Chiado Luxury Retreat
T5
Hidden Gem in Alentejo
T0
Alcântara Pool & Garden Cozy Loft
What owners say
Peace of mind, in their words.
"I live abroad and haven't worried about my apartment in Lisbon for over a year. Monthly reports arrive on time and occupancy is consistently high."
"Professional, calm and always one step ahead. They found us a long-term tenant in under two weeks and handle everything."
"The attention to detail is unreal. Check-ins, cleaning, small repairs — I never have to think about it."
"Smooth, clear communication and impressive numbers. They turned a sleepy rental into a real business."
"I live abroad and haven't worried about my apartment in Lisbon for over a year. Monthly reports arrive on time and occupancy is consistently high."
"Professional, calm and always one step ahead. They found us a long-term tenant in under two weeks and handle everything."
Our journey
Built on trust.
From a single apartment in Lisbon to a trusted partner for owners across the globe — every milestone driven by one idea: take care of every detail, so you don't have to.
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2019
The first key
Strong Key is founded in Lisbon with a single goal: bring hotel-grade hospitality and clarity to private property owners.
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2020
Multi-platform launch
Listings go live across Airbnb, Booking and VRBO with dynamic pricing and our first 24/7 guest support team.
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2022
Vendor & lease network
A curated network of vetted vendors and the launch of our mid & long-term lease division — stability, quality and transparency, built-in.
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2024
Owner portal
Owner portal launched with real-time P&L, live bookings and maintenance logs. Full transparency, one click away.
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Today
Serving owners worldwide
Multilingual concierge, AL-licensed operations, GDPR-compliant data, transparent monthly reporting. One team. One key. Every detail handled.
Become an owner
Services Pricing
Transparent rates, tailored to your goals.
Choose the rental model that fits your property. No hidden fees — just clear, predictable plans.
10%+VAT
Digital Pack
Essential digital management to get your listing live and earning.
- Market study
- Owner dashboard
- Listing on booking websites
- Calendar & booking management
- Intelligent guest screening
- 24/7 guest communication
- Price & revenue optimization
- Design, tax & legal consultancy
- Dedicated account manager
25%+VAT
Full Pack
Hands-off, end-to-end management — guests, payments, cleaning, repairs.
- All services in the Digital Pack
- Administrative assistance
- Payment of tourist taxes
- Complete invoice service
- Supplier payment management
- Check-in / out
- Maintenance & repair
- Quality control visits
- Amenities
- Communication to SEF
- Guest support during the stay
- Cleaning & laundry
20%+VAT
Mid-term Stays
Stable monthly income with the rigor of professional hospitality.
- Market analysis and profitability study
- Listing on major booking sites
- Acquisition and verification of tenants
- User area on the Strong Key dashboard
- Dynamic pricing and revenue optimization
- Collection and management of security deposits
- Submission of lease agreements to the Tax Authority
- Rent collection and receipt management
- Settlement of stamp duty on behalf of the owner
- 24/7 guest support
- Account managers dedicated to the owner
- Quality control visits
- Cleaning, laundry, and maintenance services
9%+VAT
Conventional Rental Management
Long-term peace of mind — qualified tenants, watertight contracts, monthly cashflow.
- Market analysis and profitability study
- Dynamic pricing and revenue optimization
- Listing on major rental sites
- Acquisition and verification of tenants
- User area on the Strong Key dashboard
- Management of lease agreements and submission to the Tax Authority
- Settlement of stamp duty on behalf of the owner
- Rent collection and receipt management
- Collection and management of security deposits
- Condominium representation service
- Quality control visits, coordination of maintenance and repairs
- 24/7 tenant communication and support
- Account managers dedicated to the owner; tenant access to extras: cleaning, laundry, concierge, and more.
Extra services · by quote
When your project needs more than management.
Interior design / furnishing
Curated, photo-ready interiors that lift bookings and guest reviews.
Deep maintenance / renovations
From repaints to full refurbishments, supervised end-to-end.
Legal assistance
Contracts, AL licensing, tenancy disputes — handled by trusted partners.
Contact
Let's build your rental income — together.
Whether you own one apartment or a portfolio, we will respond within two business days with a tailored plan.
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Phone / WhatsApp +351 93 907 95 95
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Email info@strongkeypm.com
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Office Portugal · Serving owners worldwide