--- title: "Software & Platforms | Upvising" description: "Custom web platforms, subscription products, apps and e-commerce for Hong Kong businesses. Source code is included when the quote covers it." url: https://upvising.io/services/software/ language: en updated: 2026-10-09 --- 1. [Home](https://upvising.io/) 2. [Services](https://upvising.io/services/) 3. Software & Platforms # Software & Platforms Custom software for businesses that have outgrown spreadsheets and ready-made tools. We build it on current technology, and hand over the source code when the quotation includes it. [Talk to Us](https://upvising.io/contact/) · [WhatsApp Us](https://wa.me/85295447141) ## What does Upvising's software service cover? Upvising designs and builds custom web platforms, subscription (SaaS) products, mobile apps, e-commerce stores, and internal systems such as booking engines, CRMs and customer portals. Documentation comes with every project. Source code is included when the quotation covers it. Some systems are a subscription you keep paying to use. - **Typical Timeline**: Depends on the project scope - **Engagement**: An agreed scope, then a fixed price - **Starts from**: Quoted after a discovery session ## What we build ### Web Apps & Platforms Online or on-site systems that customers or staff sign in to. ### Subscription Products Accounts, plans, recurring billing and admin tools, ready to sell as a service. ### Mobile Apps iOS and Android apps, or installable web apps when you don't need an app store listing. ### E-Commerce Online stores and product catalogues with payments, stock and orders. ### Booking, CRM & Portals Booking engines, CRM, payment integration and membership systems. ### Migrations Moving off WordPress, Wix or Shopify without losing your data. ## Other ways we can help We also take on further work, and carry it out to the same standard. - **Care Plans**Routine maintenance plus support hours, on a yearly plan from HK$2,400. - **Second Opinion**An independent review of an existing system, or of a quote you've received. - **AI-Ready by Default**Every site we ship can be read by search engines and AI agents, with structured data on each page. ## Questions people ask us ### How long does a custom platform take? It depends on the complexity, the scope, and how much detail you can share. A project can take from four weeks to a year or more. We agree what you actually need before development starts. ### Can you build a product we sell by subscription? Yes. We build the accounts, plans, payments and admin tools a subscription product needs. We use the same foundations for our own Labs products. ### Do we own the code? When the quotation includes the source code, it becomes yours at handover once payment is settled in full, together with the designs and documentation. For a service you subscribe to, you pay to keep using it, and the code stays with us. ## Tell us what’s slowing you down. Share a short description of the problem. We will respond within 1 to 2 business days with follow-up questions, or schedule a meeting to clarify the scope. [Send an Enquiry](https://upvising.io/contact/) · [WhatsApp Us](https://wa.me/85295447141)