We build software, then we run it.

dev-test.uk is the software development arm of the Colloquize group. Two of our own products are live today: ticketFOMO, ticketing for small venues, and TherapyDesk, booking and practice management for therapists.

ticketFOMO, 60-second filmMusic, no speech

What's in the film

An animated tour of the nights ticketFOMO sells tickets for. It opens on "Tonight. Live. Loud. Yours." and "Small rooms. Big nights.", then moves through rock ("Loud. Sweaty. Unforgettable."), EDM ("Bass. Lights. No sleep."), comedy ("Laugh till it hurts."), drama ("Feel every scene.") and stage shows ("Lights up. Curtain up."). Four quick cards follow: discover (a feed made for you), book (official tickets, better prices), resell (verified and safe) and relive (memories of every night). It closes on "Don't miss out." with the ticketFOMO logo, "Small venues. Big nights." and App Store and Google Play buttons. Music, no speech. Read the timed transcript.

Ticketing for small and mid-size venues: the gig in the back room, the comedy club, the 200-seat theatre. Venues sell official tickets; fans find nights they'll love and pass tickets on safely when plans change.

  1. Discover

    A personal feed of gigs, festivals, comedy and nightlife, learning from what each fan books.

  2. Book

    Official tickets with secure checkout in the app, and a door scanner for venue staff.

  3. Resell

    Can't make it? Resale with verified ownership and a chat with the seller.

  4. Relive

    Every event kept as a memory, organised by category.

Built with TypeScript, React and Vite, a Node API, MariaDB with Drizzle, SumUp payments and Playwright end-to-end tests.

A frame from the ticketFOMO film: the word ROCK over a crowd with raised hands
From the 60-second film.

Booking and practice management for therapists and their clients, from the first booking to the gift card a client buys for a friend. It runs a real practice today at Core-Remedial.

  • Online booking

    Clients choose a treatment and a real open slot. Best-fit slots keep the diary tight and it's never double-booked.

  • Payments

    Deposits and balances through SumUp, Stripe, PayPal or Square. Card details never touch the server.

  • Reminders

    Confirmations, pre-appointment nudges and follow-ups sent automatically.

  • Gift cards

    Seasonal designs, printed or digital, created and tracked in the app.

  • Client records

    Digital intake forms, history, notes and private chat in one place.

  • Reports

    Bookings, revenue and returning clients at a glance, with lapsed clients flagged.

Built with React and Vite, Node and Express, MariaDB, web push notifications, two-factor sign-in and encryption at rest.

A frame from the TherapyDesk film: the booking screen beside the line Booking that feels effortless
From the 60-second film, with real screens from the app.

Sites we've built and run.

A selection of live websites from the Colloquize group and the businesses we work with. Each one is hand-built, tested and monitored like everything else here.

  • The ticketFOMO website: nearest venues, events tonight and new events for independent venues

    Our product · Built in 2 weeks

    ticketFOMO

    Tickets for live events at independent venues. Fans see the nearest venues, what's on tonight and new events; venue staff sign in to run their nights.

    Our part Designed, developed and maintained by dev-test.uk.

  • A frame from the TherapyDesk film: the booking screen beside the line Booking that feels effortless

    Our product · Built in 2 weeks

    TherapyDesk

    Booking and practice management for therapists: online booking, payments, reminders, gift cards, client records and reports.

    Our part Designed, built and run by dev-test.uk.

  • The Colloquize website: Technology that talks straight, and keeps your data safe

    Our group

    Colloquize

    A specialist IT consultancy and data security development house. It advises, designs and builds systems where confidentiality, integrity and clear communication matter most.

    Our part Built by dev-test.uk for the Colloquize group it belongs to.

  • The Core-Remedial website: Sports Therapy over a photograph of a back massage

    Client site · Built in 1 week

    Core-Remedial

    Sports therapy and massage in Broadstairs, Thanet. Treatments, accreditations and about-me pages, with online booking through TherapyDesk.

    Our part Built by dev-test.uk, with bookings running on TherapyDesk, which we also built.

  • The Massaging Witch website: Old magic for tired bodies, beside a circular eye emblem

    Client site · Built in 1 day

    The Massaging Witch

    Esoteric massage and tarot, presented with candle-lit warmth: the craft, tarot readings, the ritual of a session and booking.

    Our part Designed, developed and maintained by dev-test.uk.

Software that ships with proof.

The habits behind both products, and behind this site. If it isn't tested, it isn't done.

Checked before it leaves the laptop
Type checks, unit tests and a smoke test against a scratch database run before every push.
Tested in a real browser
End-to-end tests drive the apps the way people use them, from signing in to checking out.
On brand, every time
A brand check compares logos, colours and type against each product's guidelines and stops a release that drifts.
Released in one step
Each release goes live in a single switch, keeps the last five for rollback, and rolls itself back if the live check fails.
Secure by default
Two-factor sign-in, encryption at rest, audit trails and daily backups, backed by Colloquize's data security practice.
Watched after launch
A daily monitor checks every site is up, its certificate is healthy and private files stay private.

Want something built like this?

Tell us what you need in a few lines. An engineer will reply within one working day.

Email query@dev-test.ukVisit Colloquize