England, UK51.5074°N 0.1278°W
Web, app & AI development in London
London startups and agencies use us as their product and engineering team — design, Next.js builds, AI features and growth — delivered with clear weekly milestones and UK-friendly working hours.
- Fintech
- SaaS & startups
- Agencies (white-label)
- E-commerce
Why London businesses pick us
Your extended product team
Dedicated designers and engineers, or white-label builds for agencies, with documentation, code ownership and GDPR-conscious engineering.
- IST is 4.5–5.5 hours ahead of UK time, giving a solid shared afternoon every day.
Services in London
Everything you need to launch & grow
AI & Machine Learning
AI built into the product from day one — agents, copilots and ML models that cut cost and unlock new revenue.
Product Engineering
Web, mobile and SaaS products engineered for speed, scale and clean hand-over.
UI / UX & Product Design
Interfaces people remember — research-led UX, design systems and motion that sells.
Cloud & DevOps
Infrastructure that scales on launch day and costs less every month after.
Data & Analytics
Turn scattered data into dashboards, forecasts and decisions.
Emerging Tech
Next-wave tech, shipped pragmatically — only where it creates real value.
Security & QA
Ship fast without breaking things — tested, hardened and compliance-ready.
Consulting & Modernisation
From idea validation to rescuing legacy systems — senior advice, then execution.
Influencer marketing in London ↗
Creators shortlisted on audience location, 6-month growth, engagement and cost per view.
SEO, GEO & AEO in London ↗
Rank in Google, get cited by ChatGPT, Perplexity and Gemini, and win featured answers.
How we work with London teams
Live in weeks, not months
- 01 · Week 1
Discover
A sharp brief in a week: goals, users, content, tech constraints and a fixed scope you can sign off on.
- 02 · Weeks 2–3
Design
Wireframes to high-fidelity UI with real copy and motion prototypes — you see it move before we build it.
- 03 · Weeks 3–7
Build
Typed, tested, production code. Weekly preview links so you watch the product come alive.
- 04 · Ongoing
Launch & Grow
Performance audits, SEO + GEO, analytics and campaigns. We stay on to iterate after go-live.
FAQ
Questions from London
Do you have an office in London?
ZGen Digital is a remote-first team based in India. We work with clients in London through video calls, shared preview links and weekly milestones, so you get the same senior team without paying for a local office. IST is 4.5–5.5 hours ahead of UK time, giving a solid shared afternoon every day.
What kind of businesses in London do you work with?
Mostly fintech, saas & startups, agencies (white-label) and e-commerce — but we build websites, mobile apps, SaaS and AI products for any business in London that wants to grow online.
How long does a website or app take for a business?
Most projects go live in 4–8 weeks: about one week of discovery, two weeks of design and three to five weeks of build with weekly preview links. You get a fixed timeline after discovery.
Can you also market our business in London?
Yes. After launch we grow your business with SEO, GEO (AI search), performance ads and influencer marketing — creators are shortlisted on audience location, growth, engagement and cost per view so you reach people in London.
Building something in London?
We reply within one working day with honest thoughts, a timeline and a ballpark.