Evangelist Apps delivers web development services for businesses that need secure, scalable websites, portals & web platforms built to support growth, performance, and ongoing change.
Trusted by teams across industries
Who we work with
Our web development services are designed for organisations that need a website or platform to do real business work — lead generation, service delivery, customer self-service, and mobile-first journeys that convert.
Build secure, maintainable platforms that support complex workflows and business-critical operations.
Launch new experiences faster with a web-first model that supports iteration and long-term growth.
Simplify internal processes with a faster, more usable interface for teams and stakeholders.
Turn traffic into leads, bookings, and repeat visits with a better mobile experience.
Years of Experience in Enterprise Delivery
Projects Delivered Across the UK & Europe
Industry Verticals Supported Across the Region
Client Satisfaction Rate Across Different Markets Worldwide
Our Services
As a web development agency, we cover the full website lifecycle from planning and architecture to development, integrations, launch, and ongoing support. Our services are structured to help businesses build secure, scalable, and conversion-focused web experiences that can grow with demand.
Strong web projects start with the right structure and delivery plan. We help teams define business goals, user journeys, technical requirements, and the best approach for launching a website or platform that supports long-term growth.
Service focus
Need a web development company that can handle strategy, build, integration, and support in one place?
Talk to our teamUse cases
We design web platforms around how your business actually operates.
Our Web Development Approach
We start with a focused discovery, then move into a true iterative loop — short sprints that design, build, test, and ship working increments behind a continuous delivery pipeline. Scope and priorities are reshaped each sprint based on real usage and business feedback, not a one-shot waterfall plan.
A short, focused phase to align on business goals, users, success metrics, and the highest-value slice to ship first.
Outcome: a prioritised backlog and a thin first increment — not a fixed end-to-end plan.
Deliverables
1–2 week sprints that design, build, test, and release a working increment. Each sprint reshapes the backlog from real feedback and analytics.
Inside every sprint: design → build → automated test → review → ship.
Deliverables
Once live, we keep the same loop running — monitoring, experimentation, and iteration against business KPIs and user behaviour.
The platform keeps evolving; releases stay small, safe, and frequent.
Deliverables
Optional engagement model
When you need a defined scope, fixed timeline, and fixed price — typical for marketing sites, well-understood migrations, or compliance-driven builds — we run a more sequential plan with the same engineering and QA standards. Available as an alternative to the iterative loop, not a contradiction of it.
Sprint planning, demos, and shared backlogs keep priorities, progress, and trade-offs visible at all times.
Trunk-based development, automated tests, and CI/CD pipelines so every increment can ship safely behind feature flags.
We design for change — modular boundaries and typed contracts so the platform keeps absorbing new requirements without rewrites.
Ready to start your web development project?
Book a Discovery CallOur Tech Stack & Tools
We build web development services on a modern full-stack stack designed for speed, scalability, accessibility, security, and long-term maintainability.
Component-driven UI layer focused on accessibility, design system consistency, and responsive performance.
Every technology we use is selected for real delivery, not just trend appeal. The stack supports reliable releases, maintainable code, and long-term ownership.
Our stack is designed to connect with CRMs, ERPs, payment systems, analytics tools, and the rest of your digital ecosystem.
We build web solutions that can grow from a first launch into a larger platform without forcing a rebuild.
API Capabilities
Every website, portal, and platform we build is designed API-first — not as an afterthought for one industry. That means clean contracts, secure access, predictable versioning, and integration-ready architecture from day one, regardless of sector.
We design REST APIs for stable, resource-oriented integrations and GraphQL for flexible, client-driven data needs — choosing the right pattern per use case rather than defaulting to one.
Semantic versioning, deprecation policies, and OpenAPI/GraphQL schemas as the single source of truth — so consumers never break on a release they didn't expect.
Standards-based authentication and authorisation with OAuth 2.0, OpenID Connect, JWTs, and scoped tokens for users, services, and third-party integrations.
Centralised entry points for routing, auth, observability, and policy enforcement — making APIs easier to manage, monitor, and evolve safely at scale.
Per-client rate limits, burst controls, and quota enforcement to protect upstream services, prevent abuse, and deliver predictable performance under load.
Consumer-driven contract tests (Pact / schema validation) in CI to catch breaking changes before they reach production and to keep teams shipping independently.
Why Choose Us
We are a web development agency focused on practical outcomes, not just delivery. Our approach is built around business value, user experience, and long-term scalability.
We design every project around commercial outcomes, user goals, and operational priorities.
Our web development services focus on clarity, usability, and conversion-friendly journeys.
We build robust solutions that are ready for growth, integrations, and future enhancements.
You get structured communication, clear milestones, and a delivery process built for confidence.
We stay involved after launch to help you refine, optimise, and improve performance over time.
We understand security, integration, scale, and stakeholder alignment from day one.
Case studies
Every project we take on is built with performance, scalability, and business goals in mind. Swipe through our case studies to see how we deliver real impact for our clients.
A leading UK professional body required a unified view of its sales and revenue performance across membership products and account managers. We delivered an interactive Power BI Sales Lead & Payment Analytics Dashboard that provided end-to-end visibility from leads to revenue, automated manual reporting, and enabled real-time performance tracking. The solution improved conversion insights, reduced reporting time by ~65%, saved 6–8 hours weekly, and empowered leadership to make faster, data-driven sales and revenue decisions.
We partnered with Badgers Den to design and develop a mobile-first platform that modernises salon appointment booking and product browsing for customers, while giving salon staff and administrators the tools they need to manage services, memberships, and credits efficiently. Built with Flutter for iOS and Android, the customer app delivers a seamless experience for booking services, managing memberships, and tracking credits. A robust Admin Web Portal, powered by Laravel and hosted on client-managed AWS, provides centralised visibility and control across all operations.
We helped Hästens launch a sleek, high-performance iOS app to streamline in-store ordering of their fully customisable beds and accessories. Built with SwiftUI and The Composable Architecture, the app simplifies complex pricing configurations, automates invoice generation, and integrates with Adyen for fast, secure payments. Sales associates can now configure orders in real time, view dynamic pricing, and finalise purchases within minutes — all from an iPad. Distributed as an unlisted App Store release, the solution is exclusive to Hästens retail teams across 40+ countries.
We helped Third Bridge launch a robust iOS and Android app for seamless access to their Forum archive — home to thousands of expert interviews. Designed for speed and security, the app enables users to download transcripts and audio, search content by company or keyword, and receive real-time updates on new interviews. Built with offline access and CoreData encryption, it ensures private content remains secure — even preventing screenshots or unauthorised sharing. The result is a personalised, frictionless research experience for institutional investors on the go.
We developed Connect, a custom Zoom-based solution with advanced meeting controls, role-based access, compliance visibility, and branding features — empowering enterprises to host secure, tailored video interactions across web, mobile, and iOS. Built with Zoom's latest SDK, Node.js, and React, the app includes invisible compliance officer mode, configurable UI, and custom audio prompts. A centralised admin panel supports user and role management, real-time dashboards, and automated meeting emails — making Connect ideal for regulated industries and privacy-sensitive use cases.
We partnered with a modern banking platform to design and launch a fully customised mobile app that puts security, convenience, and control in the hands of users. Built with biometric login, 2FA, and encrypted communication, the app ensures airtight protection for sensitive data. Real-time alerts, personalised notifications, and intuitive dashboards help users manage their accounts, transfers, and spending habits with ease. From balance tracking to loan applications, it delivers a frictionless, mobile-first experience designed for today's digital-native customers.
We helped British Airways integrate Apple Passbook (now Apple Wallet) into their mobile app, enabling travellers to access e-boarding passes seamlessly from their iPhones and Apple Watches. The upgrade dramatically improved the airport experience by speeding up passenger flow, reducing congestion at boarding gates, and offering a frictionless check-in journey. The integration not only boosted user satisfaction but also supported BA's broader commitment to innovation and service excellence across global travel operations.
Industries We Serve
Our web development services support organisations that need secure, scalable, and conversion-focused websites, portals, and web platforms. We build industry-specific web experiences that fit real user journeys, content needs, integrations, and long-term growth goals.
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Talk to our team about your website, platform, or portal requirements.
Local Presence
We support organisations looking for web development services UK with flexible collaboration models and distributed delivery teams. Our experience working with UK stakeholders allows us to deliver high-quality websites, portals, and web platforms efficiently across time zones.
We regularly collaborate with teams requiring web development London delivery models, supporting marketing teams, product teams, and enterprise stakeholders with scalable, performance-focused web solutions.
Discuss your website, platform, or web application with our UK-aligned delivery team.
FAQs
If you need web development services that are practical, scalable, and built for commercial outcomes, Evangelist Apps is ready to help.
Share your requirements and we will help shape the right delivery plan for your website or platform.
25+ Years of Expertise. | Global Reach | Agile. Transparent. Fast
