Build · Innovate · Create Impact
We design, engineer and scale web and mobile apps, AI systems and cloud platforms for ambitious companies across the UK, Africa and beyond.
01 / 04 · Product engineering
Mission-critical web & mobile platforms
Full-stack products on Next.js, React Native and distributed services, built to stay fast at a hundred thousand orders a month.
What we do
Full-lifecycle delivery, from the first architecture blueprint to high-volume production.
Fast, reliable consumer and enterprise apps for iOS, Android and the web.
AI agents and automation that remove repetitive work from your operations.
Secure, scalable cloud infrastructure with zero-downtime delivery.
Research-led product design and design systems that scale.
Architecture reviews, technical due diligence and fractional CTO support.
Technical SEO, analytics and conversion optimisation that grow revenue.
Featured work
Real platforms serving real customers every day. Download them, try them and see the engineering for yourself.
Live order tracking
Food delivery marketplace
A food-ordering and last-mile delivery platform connecting diners, restaurants and couriers, engineered from scratch to stay fast through the dinner rush.
Data-compliant by design
Healthcare triage platform
A clinical workflow platform that replaced a legacy paper process with smart digital triage, secure records and telemedicine, built under strict data-compliance rules.
Who we are
World-class products aren't created by accident. They're the deliberate outcome of uncompromising system design, clean engineering standards and deep empathy for the business bottom line.
Predictable sprints, test coverage and transparent code reviews.
Data models, caching and scale designed before code is written.
New technology when it drives real value, never for hype.
Shipping what solves real problems, on schedule.
Technology
Modern, well-supported tooling chosen for performance, type-safety and long-term maintainability.
Client testimonials
Operators, medical directors and venture partners scaling products on our engineering.
“Dot Technologies engineered MalaboEats from scratch to 100,000+ monthly orders without a single hiccup in uptime. Their system design discipline is unparalleled.”
Free tools & insights
Free calculators and converters that solve everyday problems, and practical articles from our team.
Tax & finance
Turn hourly, daily, weekly or monthly pay into a clear payslip for six countries.
Tax & finance
Live exchange rates for pounds, naira, CFA francs, cedis, shillings, rand and 20+ more currencies.
Business & startups
Create a professional invoice with your logo, tax and discounts, then download it as a PDF.
Documents & productivity
Turn a PDF into an editable Word document, privately in your browser.
Business3 min read
How much does it cost to build an app in the UK? Real budget ranges for MVPs and full products, what drives the price, and how to spend less.
Guides2 min read
The Nigeria Tax Act 2025 changed how salaries are taxed from January 2026. Here's what changed, the new tax bands, how rent relief works and a worked example.
AI2 min read
Five proven, affordable ways to use AI in your business today: answer customers faster, cut admin and automate routine work, without the hype.
Start a project
Book a free 30-minute discovery call with our principal engineers. We'll review your goals, flag technical risks and outline a delivery plan.