Top Web App Development Agencies in City of London

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Web Application England Greater London City of London

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Top Featured Web App Development Agencies

Twistag
(0 review)
Intelligence, Engineered. AI Agents, Data Platforms & Cloud-Native Products.
Twistag is an AI and product engineering agency based in Lisbon, Portugal. Founded in 2016, we build AI agents, data platforms, and cloud-native products for companies ready to move faster than their market. Our core capabilities: - AI & Agents: AI strategy & audit, custom AI agents, LLM integration, workflow automation, RAG systems, agentic frameworks. - Data Engineering: Data pipelines, data lakes & warehouses, governance, real-time streaming, ETL/ELT, analytics platforms. - Cloud-Native Products: Custom software development, web & mobile applications, cloud migration & architecture, API design, Kubernetes, CI/CD, legacy modernization. - Product Strategy & Design: From problem to product, validated fast. MVP & proof of concept development. Clients include Nike, Volkswagen, Autodesk, Sanofi, Galp, Kencko, Glovo, Defined.ai, Datatalks, and Bangkok Bank. Recognized in Deloitte's Technology Fast 500 EMEA (2023 & 2024). Engagement models: AI Readiness Audit, Full Build, Long-term Engineering Partner.
11 works in Web Application
Located in Lisbon, Portugal
From €10,000 for Web Application
Worked in Software & Computer Services (+11)
Speaks English, Arabic(+4)
11-50 members
Lantern Digital
5
(13 reviews)
Award-winning international web agency in Shanghai, China.
Highly recommended
Top awarded
Since 2005, we've helped international companies launch in China and Chinese companies expand abroad, navigating the technical, design, and cultural differences that come with cross-border projects.
9 works in Web Application
Located in Shanghai, China
From €10,000 for Web Application
Worked in Automotive (+16)
Speaks English, Chinese
1-10 members
Akveo
5
(1 review)
Here to Build
Akveo is an international software development firm that creates innovative digital solutions to help businesses grow. Specializing in custom software, low-code/no-code platforms, and UI/UX design, we empower companies of all sizes to turn their concepts into scalable, high-performing applications. As a certified Retool development partner and React Native expert (https://www.akveo.com/services/mobile-application-development/react-native), Akveo has successfully completed 500+ projects across sectors like finance, healthcare, eCommerce, and EdTech. Our team of experienced software engineers, designers, and business analysts works collaboratively to deliver top-quality solutions. From cross-platform mobile development to MVP creation and AI-driven automation, we are dedicated to providing exceptional results that surpass client expectations.
4 works in Web Application
Located in Warsaw, Poland
From €3,000 for Web Application
Worked in Insurance (+6)
Speaks English, German(+2)
51-200 members
U1CORE
5
(12 reviews)
U1CORE — A product studio for multi-sided platforms. Marketplaces, exchanges, auctions, fundraising
Highly recommended
Top awarded
YOUR PARTNER TO BUILD MULTI-SIDED PLATFORMS U1CORE is a product studio for the products where buyers, sellers, and operators meet, transact, and trust each other. Marketplaces, exchanges, auction systems, fundraising platforms, and operational CRMs with multi-role logic. 🔔 Book a Free Call: https://calendly.com/hello-u1core/30min or visit our website - https://www.u1core.com/ OUR SERVICES: Product Design — UI/UX, design systems, prototyping, user testing, platform-native patterns for marketplaces, auctions, exchanges, and donation flows Product Engineering — React, Next.js, Vue on the front; Node.js, Python, .NET on the back; mobile, payment integrations, multi-role architecture, admin tooling, DevOps Discovery & Platform Strategy — Cold-start strategy, trust and safety architecture, take-rate modeling, MVP scoping, UX audits, platform mechanics workshops Custom Development — Marketing sites and landing pages for platform companies, paired with the product engagement Why U1CORE: We pick a lane. Marketplaces, exchanges, auctions, donation platforms and almost nothing else. Founders come to us because we already know how their product breaks. One team, no relay race. Senior designers and engineers on the same project, kickoff to launch. The thing you ship is the thing we built nothing lost in handoff to a second studio. Built for the day it gets used. Multi-role flows, payments, admin tooling, infrastructure that holds up at peak load. We design for the brief and engineer for the day after. Receipts. $720M+ processed through one platform. Millions of listings on another. Our work has been recognised by CSS Design Awards (2× Site of the Day, 4× Best UX, 4× Best UI, 4× Best Innovation, 4× Special Kudos), Orpetron, TOP 10 Design Company in Dribbble! More than 300 clients have trusted us with their products. If your product has multiple types of users exchanging real value, and getting the platform right changes outcomes — let's talk.
1 work in Web Application
Located in London, United Kingdom
From €10,000 for Web Application
Worked in E-commerce (+14)
Speaks English
11-50 members

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