We are Flitzen.
London's most trusted digital partner for ambitious businesses: a Mayfair team designing and building bespoke software, mobile apps and websites since 2012.
Your IT dreams,
our passion.
We design and build bespoke digital products that help businesses across the whole UK move faster, serve customers better, and grow with confidence.
Flitzen is a team of designers, developers and problem-solvers who care deeply about doing things properly. We combine sharp technical thinking with a friendly, down-to-earth approach, so working with us feels straightforward, not stressful.
We turn ambitious ideas into
measurable outcomes
UK businesses served. With 13+ years behind us, we've built lasting relationships, not one-off transactions, with 170+ clients across every sector.
Client satisfaction across 500+ projects delivered. We're committed to bespoke web, app and software work that exceeds expectations and drives real value.
While others talk, we deliver. We've resolved technical issues within 24 hours that previous providers couldn't crack. On time, on budget, with no surprises.
A proven process, from
first call to launch
Listen & understand
We start every project with a proper conversation about your goals, your challenges and where you want the business to go. No cookie-cutter templates, no assumptions.
Design & develop
We pair considered design with solid engineering, building websites, apps and software that fit how you actually work.
Build & launch
We ship in clear, transparent stages, so you always know where things stand. Tested, refined and launched with care, on time and within budget.
Support & grow
Launch is just the beginning. We provide ongoing support, maintenance and enhancements so your product keeps evolving with your business.
A partner, not a vendor
A senior technical team
Developers, designers and IT consultants with more than a decade behind them across web, mobile and custom software.
Built around your business
We build each system to fit your sector, your goals and the way you work, from logistics platforms to finance tools.
Data-driven approach
Decisions guided by data and real user insight, ensuring optimal usability and digital products that measurably perform.
Partnership approach
We become part of your team. Your challenges are our challenges, your wins our celebrations, with transparent communication throughout.
Small and medium businesses deserve the same quality of technology as the big corporations, just more personal, more affordable, and with people who actually pick up the phone.
Questions, answered
We cover bespoke web development, mobile apps for iOS and Android, custom software, AI implementation and cloud work. We've done this for UK businesses since 2012.
It depends on scope. A focused website might take 4 to 8 weeks; a larger software platform 3 to 6 months. We set clear timelines at our first consultation and keep you updated throughout, delivering on time and on budget.
We specialise in UK SMEs. Our bespoke approach suits businesses of every size, because SMEs deserve the same quality of digital solutions as large corporations: more personal, more affordable, and with people who pick up the phone.
We're a partner in your success, not just a supplier. 13+ years' experience, 170+ happy clients, and a track record of solving complex issues within 24 hours, combined with transparent pricing, ongoing support and solutions that grow with you.
Our headquarters is in Mayfair, at 12 Old Bond Street, London W1S 4PW. We're London-based but serve businesses across the entire UK, in person or remotely, whatever suits you best.
Absolutely. Launch is just the beginning. We provide ongoing support, maintenance, updates and enhancements. Many clients have been with us for years, and we're here long after launch to support your growth.
It's easy: email hello@flitzen.co.uk or call +44 (0) 7587 557 546 for a no-obligation consultation. We'll discuss your project, understand your needs and provide a transparent quote, usually responding within 2 hours during business hours.