Online booking and keyless access for serviced apartments
- 25%
- rise in direct revenue
Booking System Development Services
Booking system development, built around your rules, not the platform's.
Generic booking platforms are built for the most common use cases, hotel rooms, restaurant tables, appointment slots. If your inventory, pricing rules, or booking logic is more complex, you end up working around the platform or paying for customisation that costs more than building custom.
We build custom booking systems for property managers, service businesses, activity operators, and platforms where the booking logic is the competitive differentiator.
Custom booking engine built around your inventory, pricing, and availability rules
Real-time availability, multi-channel sync, and payment processing
Admin and operations tools for managing bookings, capacity, and revenue
Built booking and reservation systems for serviced apartments and hospitality operators
7x self check-ins, 25% rise in direct revenue Booking platform0% order errors, 50+ restaurants onboarded Food ordering platform2+ years in production, zero app-side issues Conference & events app
The problem
Sound familiar?
Your booking process has rules that off-the-shelf platforms can't handle?
Managing availability across multiple channels manually because your system doesn't sync?
Short answer
RaftLabs builds custom booking systems for property managers, service businesses, and activity operators in the US, UK, and Ireland. Our booking engine for City Break Apartments in Dublin grew self check-ins 7x and lifted direct revenue 25%. A focused first build runs $35,000 to $80,000; multi-property platforms grow from there.
Key takeaways
- RaftLabs builds custom booking systems for property managers, service businesses, and activity operators in the US, UK, and Ireland.
- A focused first booking build with availability, payment, and admin panel runs $35,000 to $80,000; multi-property platforms with channel management grow from there.
- A custom booking engine built for City Break Apartments in Dublin grew self check-ins 7x and lifted direct revenue 25%.
- The same platform activated 250 OmniTec Bluetooth locks for keyless self check-in and saved staff 20+ hours per week.
- Multi-channel sync via iCal and channel manager APIs keeps the master calendar as the system of record.
- Dynamic pricing support includes seasonal rates, day-of-week pricing, length-of-stay rules, and occupancy-based pricing: all configurable without engineering.
Trusted by
The spreadsheet running next to the booking software.
A serviced apartment operator runs six unit types across three OTAs. The off-the-shelf platform handles the simple case: one unit, one rate, one night. Everything else lives in a spreadsheet the front desk updates by hand, gap nights, minimum stays, the Friday-to-Sunday rate the platform can't express.
Then two guests book the same unit on two channels inside the same minute, because the calendars sync every fifteen minutes, not in real time. Someone has to call and apologise.
The booking logic was the business, and it lived in a spreadsheet next to the software that was supposed to own it.
Booking complexity is the differentiator you can't buy off the shelf
Simple booking, pick a date, pick a slot, pay, is solved by every platform on the market. But if your inventory is complex (multiple units, variable configurations, add-ons), your pricing rules are specific (minimum stays, gap nights, occupancy pricing), or your channel management is multi-layered, the generic platforms break down.
We build booking systems where the complexity is the product. The rules that make your booking logic unique are built in, not bolted on with workarounds.
According to D-EDGE's 2024 Hotel Distribution Report, OTA commissions run 15-25% of booking revenue, against 3-8% on direct reservations. For a property operator doing real volume, moving even a fifth of stays to direct channels can cover the cost of a custom system within one season. That is roughly what happened at City Break Apartments in Dublin. We wrapped their existing RMS Cloud backend in a branded checkout, activated the 250 OmniTec Bluetooth locks already on their doors for keyless self check-in, and grew weekly self check-ins 7x while direct revenue rose 25% and staff recovered 20+ hours a week. Beyond serviced apartments, we have shipped a multi-restaurant food ordering platform running at zero order errors and a conference app that has held up in production for 2+ years without an app-side rebuild. RaftLabs has been shipping hospitality and booking software since 2015 and holds a 4.9/5 client rating on Clutch. The team that scopes your booking logic is the team that ships it.
What the City Break Apartments build delivered
- 7x
- Growth in self check-ins
- City Break Apartments · from under 10 to 72+ weekly
- 25%
- Rise in direct revenue
- City Break Apartments, Dublin
- 250
- Keyless locks activated
- Existing OmniTec hardware, no rip-and-replace
- 20+
- Staff hours saved weekly
- Manual key coordination removed
A custom booking system pays off when the rules are yours.
Everything on the left should already be true for your operation. Even one thing on the right, and an off-the-shelf platform is the smarter first step.
A fit
01
Complex inventory or pricing: multiple units, variable configurations, minimum stays, gap nights, or occupancy-based rates that off-the-shelf platforms can't express.
02
Bookings arriving across multiple channels (OTAs, partner platforms, direct) that need to sync in real time without double bookings.
03
The booking logic is a competitive differentiator, and you have budget for a build from $35,000.
Not a fit
- A single unit, one rate, one slot, a standard flow an off-the-shelf platform already handles well.
- You need a booking widget live this week more than one built around your specific rules.
- No custom pricing, channel, or inventory complexity that a generic platform breaks on.
What we build
What we build
- 01Availability and calendar managementReal-time availability engines that prevent double bookings across every channel, holding inventory during active checkout so two guests can never book the same unit. Channel sync via iCal, Airbnb, Vrbo, and channel managers like Rentals United and Lodgify keeps your master calendar the system of record.
- 02Booking flow and checkoutCustom multi-step booking flows in three modes: instant booking, request-to-book with approval, and quote-based flows where price depends on configuration. Our serviced apartment client saw direct revenue rise 25% after launching their custom flow.
- 03Pricing and rate managementDynamic pricing rule engines that apply layered rate logic at quote time, with every rule configurable by your operations team, no engineering required. Seasonal rates, length-of-stay discounts, gap night pricing, and occupancy-based pricing all sit in one engine.
- 04Payment and depositsPayment collection with deposit and balance flows for high-value bookings: a percentage at confirmation, the balance captured automatically before arrival. We integrate Stripe, PayPal, Apple Pay, Google Pay, and Stripe Connect. Cancellation refunds calculate from your policy rules, and marketplace payouts split between platform commission and operators.
- 05Customer and guest managementGuest profiles build automatically from each booking, with automated pre-arrival sequences and keyless access integration (Salto, Nuki, or Yale smart locks) so check-in needs no staff involvement, the setup we built for City Break Apartments.
- 06Operations and adminAdmin dashboards give the operations team full visibility: a unified calendar across all units, booking management, and availability controls. Revenue metrics like occupancy, ADR, and RevPAU sit alongside role-based staff access enforced at the API layer, not just the UI.
Custom build vs. off-the-shelf booking platform
| Off-the-shelf platform | Custom build (RaftLabs) | |
|---|---|---|
| Inventory model | Fixed unit and rate types; complex configurations get worked around in spreadsheets. | Modelled to your inventory: multiple unit types, add-ons, variable configurations. |
| Pricing rules | Preset rate rules; gap nights, length-of-stay, and occupancy pricing are hard to express. | A rules engine your ops team edits without engineering. |
| Channel sync | Batch sync every 15-30 minutes, so two channels can sell the same unit inside one window. | Inventory held in real time during checkout; sync via iCal or channel manager APIs. |
| Brand and checkout | Guests redirected to the vendor's domain at the payment step. | Full checkout stays on your domain, as we did wrapping RMS Cloud for City Break. |
| Cost shape | Per-booking or monthly fees that scale with volume for the life of the product. | One scoped build from $35,000, then hosting and iteration. |
Tell us about your booking complexity.
Walk us through the inventory, the pricing rules, and the channels. We'll tell you how the system handles it and what it costs to build.
How it works
From scope to shipped
Every booking system project follows the same four phases. Scope is locked and price is fixed before development starts.
- Week 101
Discovery and scope
We map your inventory model, pricing rules, channel dependencies, and operational workflows. You leave week 1 with a written scope document and a fixed-price quote. No development starts without your sign-off.
- Weeks 2-302
Design and architecture
Booking flow wireframes before production code. Availability engine architecture locked before the first line of backend code. Design decisions made here cost ten times less than the same decisions made in week 8.
- Weeks 4-1203
Build, integrate, and QA
Working booking flow at a staging URL by the end of sprint one. Bi-weekly demos. Channel integrations and payment flows tested in parallel. QA runs with every sprint, not as a phase at the end.
- Weeks 12+04
Launch and post-launch support
Production deployment with monitoring activated on launch day. 8 weeks of post-launch support included in every project. Channel sync issues and booking edge cases resolved without additional scope.
Pitfalls we plan around
Most booking systems fail on the same handful of edge cases. We scope these in week one, not after a guest gets double-booked.
- Double bookings
- The core failure mode. We hold inventory in real time during active checkout and reconcile against every connected channel, so two guests cannot claim the same unit while one is mid-payment. Batch-synced calendars are where this breaks.
- Channel sync lag
- iCal feeds and some OTA APIs update on a delay. We treat the master calendar as the system of record, queue external updates, and surface conflicts to staff instead of silently overwriting a reservation.
- Deposits and no-shows
- Split payment flows take a deposit at booking and capture the balance before arrival. Cancellation and no-show charges follow your written policy rules, so refunds are calculated, not argued.
- Third-party booking backends
- Systems like RMS Cloud are not clean REST APIs; some behaviour only surfaces in staging. At City Break, a late-checkout charge committed only after an RMS event fired post-payment. We plan integration time for exactly this.
What clients say
What our clients say
Three-year average engagement. Founders and operators describing the work in their own words. No marketing varnish.
Paula Castro
IrelandCo-Founder, City Break Apartments
Working with RaftLabs has been amazing. The team is super responsive and quick to address our needs. They built a booking platform that's been a game changer for our team and our guests.
01 / 02
Proof
Case studies
Where you land in that range depends on scope, not negotiation:
- Focused build, $35,000-$80,000
- Availability calendar, booking flow, payment, and admin panel, for a single inventory type.
- Multi-property or multi-service platform
- Channel management, dynamic pricing, and customer management across multiple units or services. Priced higher based on inventory model, pricing rules, and the number of external channel integrations required.
What it costs
Custom booking systems, starting at $35,000.
Availability engine, booking flow, payment, and an admin panel your operations team runs, built around your inventory and pricing rules.
Starts at $35,000
Priced by project, scoped in detail before we start. A focused build lands here; multi-property platforms with channel management and dynamic pricing scale up from that base as your inventory grows.
OTA commissions run 15-25% of booking revenue against 3-8% for direct. Shifting even a fifth of reservations to direct channels can close the cost of a custom system within a season, often starting with the core booking flow and adding channel management once it's proven.
No hourly billing
Once we scope the work, that price is locked in writing. No hourly billing, no surprise line items on the invoice.
Compliance built in
GDPR, PCI DSS, and data residency requirements are scoped in week 1, not retrofitted before launch. We have shipped GDPR-compliant booking systems for European hospitality operators and PCI-compliant payment flows for US service businesses.
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Read moreFrequently asked questions
We build booking systems for: property and accommodation (serviced apartments, holiday rentals, hotels, coworking), service businesses (salons, clinics, fitness studios, repair services), activity and experience operators (tours, classes, events, equipment rental), and platform businesses that offer booking as a feature within a larger product. The common requirement is real-time availability management, booking flow, payment collection, and operational management tools. We've built production booking systems for serviced apartment operators.
Availability management is the core technical challenge in booking systems, preventing double bookings when you're accepting reservations from multiple channels simultaneously. We build availability engines that hold inventory in real time during the booking flow, sync with external channels (OTAs, partner platforms) via iCal or channel manager APIs, and handle booking modifications and cancellations without creating conflicts. For property management, this includes integration with channel managers like Rentals United or Lodgify where multiple OTA channels need to stay in sync.
We build dynamic pricing systems that support seasonal rates, day-of-week pricing, length-of-stay rules, occupancy-based pricing, and promotional codes. For property businesses, this includes minimum stay rules, gap night handling, and custom pricing for specific date ranges. For service businesses, it includes peak/off-peak pricing, package rates, and member pricing. The pricing rules engine is configurable by the operations team without engineering involvement.
We integrate with Stripe (most common), PayPal, and regional payment providers for payment collection at booking. For property and high-value service bookings, we build deposit and balance payment flows, payment of a percentage at booking with the remainder collected closer to the date. We handle refund workflows for cancellations based on your cancellation policy rules. For marketplace booking models, we include split payment and payout capabilities.
Every booking system we build includes an admin panel for the operations team. For property management, this covers a calendar view across all units, booking management, guest communication tools, cleaning schedule generation, and revenue reporting. For service businesses, it covers appointment management, staff scheduling, client records, and daily schedule views. We scope the admin requirements in detail because they're usually as complex as the customer-facing booking flow.
A focused booking system, availability calendar, booking flow, payment, and admin panel, typically runs $35,000-$80,000. Multi-property or multi-service platforms with channel management, dynamic pricing, and customer management run higher. The cost depends on the complexity of your inventory model, your pricing rules, and the number of external channel integrations required. We've built production systems for serviced apartment operators with complex multi-unit, multi-rate management needs.
Work with us
Tell us what you need. We'll tell you what it would take.
We scope Booking System Development Services in 30 minutes. You walk away with a clear cost, timeline, and approach. No commitment required.
- Scope and cost agreed before work starts. No surprises. No obligation.
- Working prototype within 3 weeks of kickoff.
- Pay by milestone. You see progress before each invoice.
- 60-day post-launch warranty. Bug fixes, UI tweaks, and deployment support. No retainer.
- All conversations are NDA-protected.