Smart Appliance Companion
iOS/Android app to control home appliances, with secure cloud sync.
- +38% daily active users
- -24% support tickets
- App Store ⭐️ 4.8
Polished software for businesses & homes.
Harbor Gate IT Limited designs and ships dependable software—web & mobile apps, cloud platforms, QA automation, and smart home experiences—so work runs smoothly and life at home gets easier.
UK-based
Security-first
Rapid MVPs
Accessible UX
Start a project
Free consultation · Typical kick-off in 5–10 business days
About Us
Purpose
Build trustworthy software that feels delightful, scales with your needs, and respects privacy—whether you’re running a company or a household.
Approach
Small senior teams, discovery-first, lean delivery. We pair strong engineering with inclusive, research-led design.
Coverage
Full stack delivery: strategy, UX/UI, engineering, QA, DevOps, and post-launch support.
Services & Solutions
Custom Web Apps
Portals, dashboards, e-commerce, bookings, internal tools.
- React/Next.js · .NET/Node
- REST/GraphQL APIs
- Accessibility (WCAG 2.2)
Mobile Apps
Native and cross-platform, offline-first.
- iOS/Android · Flutter
- Home/IoT integrations
- App Store & Play releases
Cloud & DevOps
Secure, observable, cost-aware infrastructure.
- Azure · AWS · GCP
- Docker · Kubernetes · IaC
- Monitoring & SRE
QA Automation
Confidence in every release.
- Playwright · Cypress
- CI/CD gates & coverage
- Performance testing
AI Assistants & RPA
Practical automation with guardrails.
- Chat & voice bots
- Document/process flows
- Human-in-the-loop
Home & Smart Home
Domestic software that just works.
- Companion apps
- HomeKit/Alexa/Google
- Family safety & routines
Integrations
Payments, identity, logistics, analytics.
- Stripe, Xero, Auth0
- Zapier/Make, webhooks
- Data pipelines
Support & Care
SLA-backed maintenance and roadmaps.
- 24/7 monitoring
- Backups & patching
- Feature iteration
01 · Discover
Workshops, success criteria, rapid prototypes.
02 · Design
User journeys, UI, accessibility reviews.
03 · Build
Agile sprints, DevOps, automated tests.
04 · Launch & Evolve
Release, measure, iterate, support.
Industries Served
Home Services
Smart appliances, home safety, energy.
Retail & eCommerce
Catalogs, payments, stock & delivery.
FinTech
KYC/AML, secure transactions, dashboards.
Healthcare
Telehealth, records, compliance.
Education
LMS, assessments, parental portals.
Real Estate
Listings, viewings, tenancy flows.
Logistics
Tracking, routing, notifications.
Hospitality
Bookings, menus, loyalty.
Why Choose Us
Senior Engineers Only
No hand-offs, no fluff—just accountable experts.
Design With Empathy
Accessible, inclusive UX—great for teams and families.
Security-first
Threat modelling, least-privilege, encryption everywhere.
Transparent Delivery
Roadmaps, demos, metrics—no surprises.
Ops You Can Trust
Uptime SLOs, observability, cost controls.
Post-launch Care
Clear SLAs and proactive improvements.
Case Studies
Retail Stock Predictor
Forecasting service with explainable AI and alerts.
- 15% fewer stockouts
- 20% lower waste
- 30-day MVP to pilot
Trades Booking Platform
Scheduling & payments for local trades and households.
- 2× booking conversion
- PCI-ready payments
- WCAG 2.2 AA
Testimonials
“A rare mix of speed and quality. Our MVP shipped in weeks and has scaled to thousands of users.”
Amelia B.
Head of Product, Retail
“They treated our home automation project with the same rigor as enterprise software—love the results.”
James K.
Homeowner
“Excellent communication and rock-solid DevOps. Releases are boring—in the best way.”
Priya D.
CTO, FinTech
Insights, Blog & Resources
Blueprints for Calm Releases
Our checklist for stress-free launches: feature flags, rollbacks, tracing, and more.
Get the checklist →
Designing for Families
Accessibility and safety considerations in domestic software.
Request the guide →
Cloud Costs Without Surprises
Dashboards, budgets, and alerts that keep spend in control.
Talk to an engineer →FAQs
How quickly can you start?
Answer
Usually within 5–10 business days after scoping. We can expedite for urgent projects.
Do you work with domestic/home projects?
Answer
Yes—companion apps, smart home flows, safety & wellbeing tools tailored to households.
How do you ensure quality?
Answer
Automated tests, code reviews, accessibility audits, and staged rollouts with metrics.
Can you integrate with our systems?
Answer
Yes—payments, identity, accounting, logistics, analytics, and more via APIs or ETL.
Do you provide support?
Answer
We offer SLAs with monitoring, incident response, and scheduled improvements.
Where are you based?
Answer
London, UK, serving clients across the UK and beyond.
Pricing & Engagement Models
Fixed-Scope
Clear deliverables & timeline
£8k–£40k
- Discovery & spec
- Design + build
- UAT & launch
Time & Materials
Flexible scope, sprint-by-sprint
£80–£120/hr
- Senior engineers
- Weekly demos
- Transparent metrics
Dedicated Team
Long-term partnership
From £12k/mo
- Cross-functional squad
- Roadmapping
- SLAs & on-call
Ballpark figures for guidance—final pricing depends on scope and complexity.