Custom Software

Built for your business, down to the detail.

We design and build custom software around the way your business works. From first sketch through launch, the work stays close and accountable.

A sketch on deep green of a notebook of wireframes connected by a single thread to a laptop and phone showing the finished product, an espresso and fountain pen alongside
What we build

From idea to working software.

We design and engineer custom software for products, workflows, and operational needs that off-the-shelf tools cannot solve.

Customer-facing products

Customer portals, marketplaces, dashboards, and SaaS products designed to create new services and better customer experiences.

Mobile applications

Focused iOS and Android applications built to be intuitive, reliable, and ready to evolve after launch.

Internal systems

Purpose-built tools, workflows, and integrations that replace manual work and keep operations moving.

Applied AI

Search, assistants, summarization, and automation added only where they improve speed, quality, or decision-making.

How we build

From problem to product, without the black box.

We make the important decisions early, deliver working software in visible stages, and keep you close to the process from first concept through launch.

Discover

We define the problem, the people using the product, the constraints, and what success needs to look like before development begins.

Design

We shape the experience, architecture, and critical workflows so you can see and test the product while changes are still easy.

Build

We deliver working software in short iterations, with regular demos, clear decisions, and no surprises behind the scenes.

Launch & improve

We deploy the product, support adoption, maintain the system, and continue improving it as the business changes.

How to start

Wherever the project stands, we can move it forward.

You have an idea

We clarify the problem, test the concept, and define the right product before you commit to a full build.

You’re ready to build

We take a defined product or workflow through design, engineering, launch, and adoption.

You need to improve what exists

We modernize, extend, or support an existing system that no longer meets the needs of the business.

Portfolio

Some of what we’ve built.

Products conceived, designed, and engineered by Sprezza.

B2B finance platform

AboveBoard

A multi-client finance platform that helps fractional CFOs turn accounting data into clear, repeatable month-end reporting.

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Productivity app

Astronote

A daily journal that brings reflection, habits, mood tracking, tasks, and personal goals into one focused experience.

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Health tracking

Weighday

A focused weight-tracking app that reveals long-term progress without the noise of daily fluctuations.

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Social entertainment

Binged

A social TV app for logging, ranking, and discovering shows through people whose taste you trust.

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Mobile game

DropZone

A mobile arcade game built around fast aerial combat, escalating waves, and upgrade-driven progression.

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Let’s talk about what you’re building.

Bring us a problem, a prototype, or a rough idea. We’ll help you find the most direct path to working software.

Start a project