Digital product design & development

We turn ideas into real products.

From the first direction-setting conversations to the finished experience, we work alongside you to create a consistent product across mobile and web.

See our work Tell us about your idea

What matters to us

01Solves the right need02Protects privacy03Ready to grow over time

Our work

Different projects, different problems to solve.

Here are a few products we have supported from the earliest steps through to completion.

Mobile product2026

Photogress

An Android photo journal for capturing changes over time. Match each shot with a previous-photo overlay, organize your projects and turn your photos into time-lapse videos.

  • Product design
  • Android
  • Local-first
Get it on Google Play
Education platform2026

VMERDI

A bilingual website for VMERDI, bringing courses, news and Montessori resources into one place that the team can manage on its own.

  • Web design
  • Bilingual
  • Content system
Visit project
Charity platform2026

Bàn Tay Nhỏ Charity

A website for sharing campaigns, updates and donation information, helping Bàn Tay Nhỏ Charity stay transparent and connected with supporters.

  • Responsive web
  • Campaigns
  • Editorial CMS
Visit project
View all projects

What we can help with

We help turn an idea into a finished product.

Design and development move together, so the product stays consistent from start to finish.

01

Shaping the idea

We help define the problem, choose what matters and map the experience before development begins.

  • Research
  • Architecture design
  • Prototypes
02

Mobile apps

We design and build for iOS, Android or cross-platform, with attention to how people actually use their phones.

  • iOS & Android
  • Native
  • Cross-platform
03

Websites

Fast, responsive websites with a clear structure that is easy to update and grow.

  • Responsive
  • Design systems
  • SEO

About GreenHill

Direct collaboration, clear communication.

We care about both the experience and how the product is built. Every decision starts with a simple question: does this genuinely help the person using it?

We keep the process lean and transparent, so conversations move quickly without unnecessary layers. The people who understand the problem are directly involved in designing and building the product.

Talk about a project

Core values

“Clear in our thinking, thoughtful in every detail.”
01

Focus on the right problem

02

Put the user experience first

03

Carry the work through with care

How we work

Everything starts with a clear conversation.

  1. 01

    Talk

    We clarify the goal, the people using the product, the current situation and the priorities.

  2. 02

    Shape the idea

    We define the product architecture, system flows and design direction.

  3. 03

    Build

    We design, develop and test everything agreed within the project scope.

  4. 04

    Refine

    We review every detail, improve the experience, prepare the handover and continue refining when needed.

Let’s talk

Planning something new?

Share a little about the idea, where things stand and what you need help with. We will reply by email.