Hi There 👋 We Are Stiff Upper Lip

We're the technical team you wish you'd hired first.

With over a decade of experience, we bring the right judgment to navigate AI, software and business architecture, and make the hard engineering calls. We don't just build software - we figure out what your business actually needs, build it, integrate it, and run it.

Three Stiff Upper Lip teammates collaborating at a desk in the office
Years of experience
13+
Private AI models
100%
Platforms built and run
3
Downtime, past year
Zero

The Experience

We've built the systems, not just the slides.

A decade of building software, and a new chapter running it. We don't hand over a deck and leave — we figure out what your business needs, build it, and stay on to run it.

Engraved illustration of a robot and two Stiff Upper Lip workshop characters standing with arms crossed

Paper to platform.

One client ran field operations on paper. We built their ops system from scratch — scheduling, assets, jobs, with a private AI hub behind it — and we run it today.

“SUL didn't just deliver code; they provided the technical leadership we needed. They took the wheel of our architecture and de-risked our entire roadmap.”

- PTI, Field Rep

4.9/5

Average client rating for improved operational efficiency.

40%

Target average operational efficiency gain.

Creative Stewardship

Meet Our Team

The passionate people behind our success, guiding complex technology decisions with senior-level judgment.

  • Andrew Smith, CEO and founder of Stiff Upper Lip

    Andrew Smith

    CEO & Founder

    Founder with 15+ years guiding technology strategy, shipping digital products, and building high-performing teams.

  • Aubrey Smith, business analyst at Stiff Upper Lip

    Aubrey Smith

    Business Analyst

    Business analyst and user experience designer who designs scalable systems and champions engineering excellence.

  • Michael Bussert, senior developer at Stiff Upper Lip

    Michael Bussert

    Lead Software Engineer

    Full-stack software engineer focused on clean code and dependable digital products.

  • Stefan Savic, lead product designer at Stiff Upper Lip

    Stefan Savic

    Lead Product Designer

    Product designer who turns complex problems into clear, user-centered digital experiences.

Aubrey and Andrew Smith collaborating at a computer

Our Evolution

From code-first to problem-first.

For over a decade, we wrote code. Long enough to learn that anyone can build the thing — the trick is knowing which thing to build.

So we changed how we work. We don't take a brief and start typing. We figure out what your business actually needs first — across AI, infrastructure, and the architectural calls most teams get wrong — then build it. The decade taught us the judgment. That's what you're actually hiring.

Our Services

Where your technical bottlenecks get solved.

  • Technology Strategy

    Not sure what to build, or in what order. See how we turn that into a roadmap you can act on.

  • AI Integration

    Where AI actually fits in your business — and how we build it private, on our own models. Take a closer look.

  • Software Design and Build

    From idea to shipped product, built to solve the real problem. See how we work.

  • Fractional CTO

    Support and senior technical leadership on retainer — from app support at $2,500/mo up to a full fractional CTO. One team, either way.