London app developer for Marylebone W1U. iOS, Android, Flutter, React Native MVPs from £11,999. Studio in Shoreditch (EC2A) with regular client meetings near Marylebone High Street, Harley Street W1G, Wigmore Street. Clients across premium retail, healthcare, hospitality, professional services, wealth.
Marylebone (W1U) sits in Central London, neighbouring Mayfair W1J, Fitzrovia W1T, Paddington W2. Local character is premium retail, healthcare, hospitality, professional services, wealth — we shape every engagement around the type of brand and audience that defines Marylebone. Senior makers from our Shoreditch (EC2A) studio cover Marylebone clients in-person regularly; key sites near Marylebone High Street, Harley Street W1G, Wigmore Street make for easy meeting points.
Pricing for App Developer in Marylebone starts at £11,999 (range £11,999–£120,000). All prices fixed, all scope documented. No day-rate ambiguity, no hidden fees, no minimum-term lock-in on retainers. We work with Marylebone brands across the lifecycle — pre-seed founders raising from London angels and EF, scale-ups at Series A–B, established SMEs in their second decade.
Engagement structure: free 30-min strategy call, fixed-price proposal in 5 working days, senior maker on every brief, you own all assets and accounts. Our partner certifications — Google Partner, Meta Business Partner, AWS Partner, Klaviyo Master, HubSpot Partner, Shopify Partner, Webflow Expert — mean we have direct partner-tier support for Marylebone client work.
A typical engagement breaks down like this. Every line is in your fixed-price proposal — no day-rate ambiguity.
| Phase | Cost (typical) |
|---|---|
| Discovery + scope Brief workshop, scope confirmation, fixed proposal | Free — included |
| App Developer (basic) Single-deliverable App Build | £11,999 |
| App Developer (mid) Standard scope with full features | £47,996 |
| App Developer (premium) Complex scope with bespoke elements | £143,988 |
| Aftercare 30-day post-launch support | Included |
| Total range Marylebone App Developer engagements | £11,999–£120,000 |
| Total engagement | £11,999–£120,000 |
All tiers include free strategy call, fixed scope, and 30-day post-launch support. Buy direct via Stripe or book a call first — the price is the same either way.
Free strategy call within 24 hours. A senior strategist (not a sales rep) reviews your brief and follows up with a fixed-price proposal in 5 working days.