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TopFlight Digital

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Empathy, Initative, communication and speed

TopFlight accelerates experimentation for product and tech teams.

We specialise in building and deploying A/B tests and feature experiments, helping organisations move from assumption-led delivery and building technical maturity and capability in-house.

Our focus is on test velocity and technical enablement, ensuring teams can experiment at speed.

Our technical expertise:

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Burnley, England
  • Year founded
    Founded 2021

Overview by:

Reviewer avatar
Justin Coulston
Founder and CEO About the Team

2 Locations

  • Burnley , England
  • London , England

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    Our Story

    We like to think of ourselves as technical consultants working in the trenches with our clients to achieve a success metric. We're big believers in experimentation and speed to market, letting the data do the talking to inform and shape the product. 

    We've seen £50 million in additional revenue through experimentation and statistical significance - we are technical experts who unlock experimentation potential through our deep engineering expertise

    Meet the Team

    Justin Coulston

    Justin CoulstonFounder and CEO

    Enjoy helping product teams experiment and make better decisions through technology. I worked across e-commerce, finance, energy, and greenfield products as a full-stack engineer in experimentation, and now work as a founder and consultant focused

    What Sets Us Apart

    Business and data focused

    We don’t just build and ship. We tie every product build and experiment back to real business outcomes, advising on measurement approaches that ensure impact is clear, attributable, and repeatable.

    We take initiative and get things done

    We always wear our product hat and take a pragmatic approach to delivery. We focus on what will create real impact, prioritising clarity, sensible trade-offs, and momentum over unnecessary complexity. Our no-nonsense approach means we ship what matters, learn quickly, and iterate with purpose.

    Communication

    Client empathy is a core value for us. We adapt our approach to what genuinely works for each client, rather than forcing a fixed delivery model. As a UK-based consultancy, clear, consistent communication is central to how we operate and how we build trust

    Tools and Technology

    Slack
    Jira
    Miro
    GitHub
    AWS
    Kubernetes
    Qualtrics
    Figma
    Vercel
    Cloudflare
    Azure

    Commonly Asked Questions

    We measure success by tying product and experimentation work directly to clear business outcomes. Where appropriate, this includes A/B testing and statistically significant experimentation, but always in service of a broader goal - whether that’s revenue impact, conversion improvement, operational efficiency, or risk reduction. We place strong emphasis on measurement and attribution, ensuring results are reliable, repeatable, and understood by stakeholders. Success for us isn’t just shipping changes or running tests, it’s helping teams make better decisions.

    7+

    Turnaround time depends on the type of engagement, but we prioritise speed to learning and speed to market. A typical A/B test can be designed, built, and shipped within around a week (roughly 20–30 hours), allowing teams to validate ideas quickly and start gathering meaningful data. For MVP and innovation-led builds, we think in weeks, not months. Most MVPs are delivered within 2 to 6 weeks, depending on scope and the level of experimentation and integration involved.

    We onboard new clients with a short discovery and technical audit designed to get context quickly and identify where we can create the most impact. T From there, we align on clear objectives, success metrics, and a plan for delivery, enabling us to move straight into execution. We're not a big fan of slides; we just want to dive straight in.

    We’re most interested in projects where teams are looking to validate hypotheses quickly and get ideas into market with confidence. That often means building and evolving products through experimentation — testing assumptions, measuring impact, and iterating based on real data rather than opinion. We work well with organisations that want to move fast without cutting corners, using lightweight, pragmatic builds to learn early and de-risk bigger decisions. This includes experimentation platforms, new product initiatives, and innovation work where speed, measurement, and technical quality all matter. We’re particularly effective when senior engineers can work closely with product and growth teams to design experiments, implement the right measurement, and turn early signals into scalable, production-ready solutions.

    Locations (2)

    Fourth Floor, St James House, St. James's Row, Burnley, England Burnley, England BB11 1DR

    2 - 5

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