Sustainable Software Development: Why We Build Differently at Real Code Ltd

We Said It Out Loud in Dublin. Now We're Saying It Here.

In June 2026, our team took the stage at the IAPP Global Privacy Summit in Dublin — one of the most respected gatherings of privacy, technology, and data professionals on the planet. Alongside speakers Brad McAllister, Natasha McAllister, Becky Salomons, and Wendy Beautyman, we put forward something that, frankly, not enough software development companies are willing to say plainly:

The way most software gets built is broken. Not just technically — ethically and environmentally too.

We didn't show up to Dublin with a slide deck full of buzzwords. We showed up with working software, a transparent methodology, and a genuine argument for why sustainable, ethical development practices aren't optional extras — they're the foundation of any software that deserves to exist in the world.

This page is the written version of that conversation.

What Does "Sustainable Ethical Software Development" Actually Mean?

It's easy to slap the word "ethical" on a website and call it a day. Plenty of companies do. We're not interested in that.

For us, sustainable ethical software development means something very specific — and it runs through every line of code we write, every architecture decision we make, and every client conversation we have.

It means:

1. Privacy is a design principle, not a legal obligation.
We don't bolt on a cookie banner at the end of a project and consider our responsibilities discharged. Privacy-by-design means we ask the awkward questions at the start: What data do we actually need? Who has access to it? What happens when the user wants it deleted? These questions shape the architecture before a single line of code is written.

2. Energy efficiency is a first-class concern.
Every application consumes energy. Every AI call costs carbon. Most developers don't think about this — we do, because we've built tools specifically to measure it. (More on that below.) Efficient code isn't just good engineering; it's good citizenship.

3. Transparency runs all the way to delivery.
There's a gap in the software industry between what gets promised in a discovery workshop and what ends up in production. We close that gap by maintaining ethical standards not just in planning, but through build, test, and deployment — because sustainable principles that evaporate under deadline pressure aren't principles at all.

4. Open source where it matters.
Ethical software development means not hoarding solutions to shared problems. When we build something that could benefit the wider community, we open-source it. No strings attached.

Why Most Software Development Falls Short

Here's the uncomfortable truth: most software agencies are optimised for speed and margin, not for the quality of what they leave behind.

That produces code that's bloated, data-hungry, poorly documented, and quietly extractive — harvesting user data to the edges of what's legal, running on infrastructure that nobody's thought to optimise, and shipped by developers who've never been asked to consider whether the thing they're building should exist in the form it's being built.

The industry has normalised this. We haven't.

When you commission software from Real Code Ltd, you're not just buying features. You're buying a development philosophy that treats your users as people to be respected, your data as something to be stewarded carefully, and the environment as a stakeholder that doesn't have a seat at the table but very much should.

Tech Energy Usage: We Built the Evidence

In May 2026, we released Tech Energy Usage — a free, open-source desktop application that tracks the real-time energy consumption and carbon footprint of your computer activity, including every interaction you have with AI tools like ChatGPT, Claude, or Gemini.

This isn't a marketing project. It's a research tool and a statement of intent.

Built in Rust (via Tauri) on the backend and React + TypeScript on the frontend, Tech Energy Usage monitors your active applications, estimates the energy cost of your AI API calls, and adjusts your carbon footprint estimate based on the carbon intensity of your local electricity grid. A user in Norway gets a very different number from a user in India — and they should, because the physics are different.

Crucially, it does all of this without collecting a single byte of your data. Everything stays on your machine. No telemetry. No cloud sync. No surveillance disguised as a wellness feature.

You can download it free from our GitHub repository.

We built this tool because we believe software developers have a responsibility to understand the environmental cost of the software they create and recommend. We also built it because we wanted to demonstrate that privacy-first design and technical sophistication are not in tension — they're the same thing done properly.

What We Presented at IAPP Dublin 2026

The IAPP (International Association of Privacy Professionals) event in Dublin in June 2026 brought together regulators, privacy practitioners, technologists, and policy makers. It was the right room for this conversation.

Our team — Brad McAllister, Natasha McAllister, Becky Salomons, and Wendy Beautyman — presented our framework for what we call Sustainable Software Integrity: the idea that ethical principles, once committed to, must be enforced through the entire software development lifecycle, not just articulated at the start and forgotten under commercial pressure.

The response was striking. Not because the ideas were radical — they aren't — but because so few development companies can point to working software and a documented methodology as evidence that they actually live by what they say.

We can. We did. And if you're reading this, you can hold us to it.

The Real Code Approach: How It Works in Practice

Discovery and Architecture

Every project starts with a structured conversation about data. What are we collecting? Why? For how long? What's the minimum viable data footprint to achieve the outcome the client actually needs?

We've had clients come to us wanting to build dashboards stuffed with user analytics. Sometimes, after working through it properly, they realise they need a tenth of what they originally specified — and the result is faster, cheaper, more defensible, and considerably less legally hazardous.

Development Standards

Our developers work to a code standard that incorporates energy efficiency reviews alongside the usual quality and security checks. We profile applications for unnecessary compute load. We question third-party integrations that import more data than they need. We build with an eye on the long game — software that's maintainable, legible, and honest about what it does.

Privacy Impact as Standard

For any project touching personal data, we conduct a Privacy Impact Assessment as a standard deliverable — not an optional add-on. This isn't a box-ticking exercise; it's a genuine examination of risk, proportionality, and the rights of the people whose data will flow through the system.

Delivery and Handover

Here's where most agencies fall down. The handover. Documentation gets skimped. Permissions get left wide open. Monitoring gets skipped because the deadline was yesterday.

We don't do that. Delivery at Real Code includes documented data flows, security configuration reviews, and — for projects using AI components — an energy and emissions assessment so our clients know exactly what they're running and what it costs the planet.

Ongoing Responsibility

We're available after delivery. Not just for bug fixes — for ethical review as systems evolve and the regulatory landscape shifts. GDPR wasn't the end of data privacy legislation; it was the beginning. The organisations that will navigate what comes next most confidently are those that built their digital infrastructure with flexibility and accountability already baked in.

Why This Differentiates Us (And Why That Matters to You)

You can hire any number of development agencies. Many of them are competent. Some of them are very good at shipping features quickly.

What's rare — genuinely rare — is a development partner that can demonstrate:

A published, open-source tool built to the privacy-by-design principles they claim to follow
Recognised expertise presented at international privacy and technology conferences
A documented methodology that enforces ethical standards from discovery to delivery, not just in the sales pitch
UK-based expertise with deep experience across .NET, SQL Server, WordPress, and AI integration — plus a genuine understanding of UK and EU data law

We're a small team. That's deliberate. Small teams maintain standards more easily than large ones. You get the people you spoke to doing the work, not a bait-and-switch to junior developers the moment the contract's signed.

The Sustainability Argument Is Also the Commercial Argument

We're not asking you to accept lower quality software in the name of ethics. The opposite is true.

Sustainable, privacy-respecting, energy-efficient software is almost always:

More secure — because it collects less data and exposes less surface area to attackers
More maintainable — because it's leaner, better documented, and built with the long term in mind
More legally resilient — because it was designed with data regulations in mind rather than retrofitted to comply with them
More trusted by users — because people can increasingly tell the difference between software that respects them and software that doesn't

Ethical software development isn't a niche. It's where the whole industry is heading, whether reluctantly or enthusiastically. The question is whether you want to get there ahead of the curve or be dragged there later.

Organisations We Work With

We work with businesses across the UK and internationally — from ambitious startups building their first product to established organisations modernising legacy systems that were never designed with today's data landscape in mind.

If your project involves:

Web application development with a privacy-first foundation
AI integration that you want implemented responsibly and transparently
Legacy system modernisation with data minimisation built into the migration
GDPR compliance architecture that actually works in practice
Open source tooling and sustainable development consultancy

...then we should probably talk.

Let's Build Something Better

The software industry has enormous power — to enable connection, to create value, to solve real problems. It also has enormous capacity to cause harm: extracting data carelessly, consuming energy needlessly, and building systems that undermine the privacy and autonomy of the people who use them.

At Real Code Ltd, we've chosen our side. We build software that we'd be comfortable explaining to the users it serves, the regulators who oversee it, and the planet that powers it.

If that sounds like the kind of development partner you've been looking for, the right person is waiting to hear from you.

Talk to the Right Person From Day One

We don't funnel every enquiry through a generic contact form and hope for the best. Each member of our team brings deep, specific expertise — and we'd rather you speak to the right person straight away.

Send your enquiry via our contact page →

Brad McAllister — AI Agentic Software Development

If you're looking to build intelligent, autonomous software systems — AI agents that can reason, act, and integrate with your existing infrastructure — Brad is your first call. With hands-on experience designing and delivering agentic AI solutions for real business problems, Brad brings both the technical depth and the pragmatism to get it built properly, not just impressively.

Reach out to Brad if you're thinking about: AI-powered automation, agentic workflows, LLM integration, custom AI tooling, or any software project where intelligent systems need to do more than respond to a prompt.

Contact Brad about AI agentic development →

Natasha McAllister — AI Ethical Governance

The question isn't just whether your AI works. It's whether it works fairly, transparently, and in a way you can defend to regulators, customers, and your own conscience. Natasha works with organisations to put the governance frameworks in place that make AI deployment something to be proud of — not a liability waiting to surface.

Reach out to Natasha if you're thinking about: AI ethics frameworks, algorithmic accountability, bias assessment, responsible AI deployment, or building internal governance structures that keep pace with how fast the technology is moving.

Contact Natasha about AI ethical governance →

Becky Salomons — Sustainability in Technology

Sustainable technology isn't a trend — it's an obligation that's arriving in regulation, procurement requirements, and investor expectations whether organisations are ready or not. Becky helps businesses understand their digital carbon footprint, identify where their technology stack is wasteful, and build a credible sustainability strategy that holds up under scrutiny.

Reach out to Becky if you're thinking about: digital sustainability strategy, technology carbon assessments, sustainable procurement guidance, or embedding green practices into how your organisation commissions and uses software.

Contact Becky about sustainability in technology →

Wendy Beautyman — Ethics in Technology

The ethical dimensions of technology extend well beyond AI. Data collection practices, consent architecture, accessibility, digital inclusion, the social impact of the systems we build — these are questions that deserve serious, informed attention. Wendy brings that attention, helping organisations navigate the ethical landscape of their digital decisions with clarity and confidence.

Reach out to Wendy if you're thinking about: technology ethics consultancy, responsible data practices, digital inclusion strategy, ethical design review, or preparing for the evolving regulatory expectations around how technology affects people.

Contact Wendy about ethics in technology →

Not sure who to contact? Drop us a message at realcode.co.uk/contact and we'll point you in the right direction within one working day.

Download Tech Energy Usage from GitHub →
Learn more about our Tech Energy Usage tool →

Real Code Ltd is a UK-based software development and consultancy firm specialising in ethical, privacy-first, and sustainable digital solutions. We are proud contributors to the open source community and participants in the global conversation on responsible technology.

Brad McAllister

Managing Director