Top Web App Development Agencies in City of Westminster

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Web Application England Greater London City of Westminster

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Top Featured Web App Development Agencies

TRIARE
4.9
(11 reviews)
TRIARE unlocks IT potential of YOUR business
TRIARE is a WEB and MOBILE software development company based in Europe. We are delighted to offer our services as your long-term partner, taking all technical matters off your shoulders and allowing you to focus on your business development. YOU WILL GET: ✔ In-house team . Work with a dedicated team that is 100% focused on your product and located in the same office. ✔ Efficiency & transparency , as our process is based on Scrum methodology and managed by certified Scrum Masters. ✔ Fast result. Working with us, you will get the first result in 1 week. ✔ High quality, as TRIARE has well-established processes of software development and experienced specialists. ✔ Full cycle development . Our company covers all stages of development, handling everything from Discovery and prototyping to Design, development, and maintenance. ✔ IP rights . From the very beginning, you are the only owner of the intellectual property of your project materials: source code, design, documentation, etc. ✔ Warranty period will be provided for your system for free. ASPECTS OF OUR MINDSET: - Focused on results. We are focused on the result of your business with an understanding of the real goals and KPIs that our team should achieve. - Solution Provider. It means that we always come to you with solutions, not with questions. We take all technical aspects of the project off your shoulders, allowing you to focus on the marketing and business strategies. - We go the extra mile. Being a proactive company, we always think and take a step ahead. TECHNOLOGIES WE USE: - Mobile app development: Kotlin, Java, Swift, Objective-C. - Cross-platform development: Flutter, React Native. - Web frameworks: Node.JS, React.JS, PHP, Ruby on Rails.
19 works in Web Application
Located in Cherkasy, Ukraine (+3)
From €15,000 for Web Application
Worked in Beverage (+20)
Speaks English, Ukrainian
51-200 members
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
The Weather
4.9
(42 reviews)
No-nonsense digital transformation for forward-thinking brands
Highly recommended
Top awarded
🇬🇧 The Weather is an award-winning digital agency and one of Germany's top-ranking companies for web design and web development . Based in Berlin, delivering worldwide. We have created over 200 websites for tech startups, green energy clients, democracy-focused NGOs, and progressive brands. Their digital transformation has paid for itself — and yours should too. The Weather is the #1 web design company in Germany on Clutch. Seven of our websites received niminations on Awwwards.com. Our web experiences change entire businesses, one website at a time. See the proof. Web design Our high-impact design websites and digital experiences are designed to spark action and build momentum. Discovery & digital advisory Websites UI/UX Figma Web apps Mobile apps Motion design 3D animations Web development We develop future-proof websites and software that are result-oriented and easy to live with. WordPress and Elementor Webflow Jamstack, Headless CMS Mobile apps Web apps Support and maintenance Brand construction With a strong focus on storytelling, we craft distinctive brand and product identities that stand out. Brand guidelines Brand book Idea making Copywriting Illustration Graphic and print design
10 works in Web Application
Located in Berlin, Germany
From €5,000 for Web Application
Worked in Entertainment & Events (+24)
Speaks English, Catalan(+7)
11-50 members
Duck.design
4.7
(29 reviews)
You need design done. Just get it!
Highly recommended
Top awarded
Your brand designs are too important to be left in the hands of unreliable freelancers or expensive creative agencies. Why not hire an experienced, full-time designer who knows you by name and your brand by heart? Since its creation, Duck.design has been able to capitalize on a number of areas that currently constitute its strength: - Logo, Brand Guide, Style Guide; - Graphic Design; - Web Design; - UI/UX Prototyping; - 3D Design; - Game design; - Explainer Video, 2D Animation, GIF.
Looking for work in Web Application
Located in Greater London, United Kingdom
Budget on request
Worked in Banking & Financials (+8)
Speaks English
51-200 members
Soamee Studio
4.7
(10 reviews)
We think, create, and develop digital products that fit all needs
PROFILE INFO AVAILABLE IN 🇪🇸 and 🇬🇧 ---- 🇪🇸 En el núcleo de Madrid y extendiéndose a través de toda Europa, Soamee Studio se presenta como más que una simple agencia de desarrollo de software: somos arquitectos de ideas, transformándolas en innovaciones digitales concretas. Compuesto por un equipo multidisciplinario y en constante evolución de más de 10 expertos, nuestro estudio es el epicentro donde la visión de emprendedores cobra vida. Nuestro enfoque va más allá del desarrollo tradicional. Acompañamos a emprendedores en cada paso del camino, desde la conceptualización hasta la materialización de sus ideas, asegurando que cada producto digital no solo funcione a la perfección, sino que también resuene con su público objetivo. Con una fuerte inclinación hacia el trabajo en remoto, hemos aprovechado esta estrategia para atraer al mejor talento de diferentes regiones, convirtiéndolo en nuestra carta maestra para el desarrollo excepcional. Aunque nos especializamos en un stack basado en JavaScript (React, Node, React Native), nuestra curiosidad y adaptabilidad nos ha llevado a explorar y dominar múltiples plataformas, desde aplicaciones nativas para iOS y Android hasta frameworks como Vue y Angular. La comunicación es esencial para nosotros. Adoptando metodologías ágiles, garantizamos un flujo constante de retroalimentación con nuestros clientes, lo que nos permite pivotar y adaptarnos con agilidad. Además, ofrecemos soluciones integrales de 360 grados, con estudios avanzados de UI y UX, garantizando productos que encantan tanto en funcionalidad como en diseño. Desde startups emergentes con visiones audaces que han alcanzado cifras de usuarios sorprendentes, hasta colaboraciones con grandes jugadores del mercado como Vodafone y LG, nuestra misión es clara: dar vida a las ideas y transformar el panorama digital. En Soamee Studio, tu visión es nuestro compromiso. Juntos, convertimos ideas en realidades digitales inolvidables. ---- 🇬🇧 Nestled in the heart of Madrid and extending across all of Europe, Soamee Studio stands as more than just a software development agency: we are architects of ideas, turning them into tangible digital innovations. Comprised of a constantly evolving, multidisciplinary team of over 10 experts, our studio is where entrepreneurs' visions come to life. Our approach transcends traditional development. We accompany entrepreneurs every step of the way, from conceptualization to realization, ensuring that each digital product is not only flawlessly executed but also resonates with its target audience. With a strong leaning towards remote work, we've harnessed this strategy to attract top talent from diverse regions, making it our ace card for exceptional development. While we specialize in a JavaScript-based stack (React, Node, React Native), our curiosity and adaptability have led us to explore and master various platforms, from native applications for iOS and Android to frameworks like Vue and Angular. Communication is paramount to us. Embracing agile methodologies, we ensure a steady stream of feedback with our clients, allowing us to pivot and adapt swiftly. Moreover, we offer comprehensive 360-degree solutions, with advanced UI and UX studies, guaranteeing products that charm in both functionality and design. From budding startups with bold visions that have reached astonishing user numbers, to collaborations with market giants like Vodafone and LG, our mission is clear: to breathe life into ideas and reshape the digital landscape. At Soamee Studio, your vision is our commitment. Together, we turn ideas into unforgettable digital realities.
8 works in Web Application
Located in Madrid, Spain
From €5,000 for Web Application
Worked in Human Resources (+10)
Speaks English, Spanish
11-50 members
GRM Digital
5
(5 reviews)
Reach your digital potential
Top awarded
We’re GRM Digital, an award-winning, full-service web development and digital marketing agency based in Leeds, London, Sarajevo, Amsterdam and Islamabad. Since 2009, we've been helping world-leading brands grow by providing high-quality, robust web development, SEO and digital consultancy, backed by in-depth research and analysis.
3 works in Web Application
Located in West Yorkshire, United Kingdom (+4)
From €20,000 for Web Application
Worked in Education (+6)
Speaks English, Croatian(+2)
11-50 members
Instinctools
5
(10 reviews)
Your AI-powered Engineering Partner
Top awarded
Meet *instinctools - a global AI-powered software engineering company with over 25 years of experience. We help both SMBs and Enterprises build robust, scalable software solutions that excel in functionality and design. Our core services include: Agentic AI enablement Custom software development enhanced by deep AI expertise Digital product engineering Business process automation Legacy system modernization Advanced data analytics and visualization Cloud infrastructure and DevSecOps Headquartered in the USA (Maryland) and Europe (Germany), *instinctools offers convenient locations for meeting and collaborating directly with our clients. We have development centers in Poland, LATAM, India, and Kazakhstan that combine global expertise with a strong price-quality balance to ensure exceptional results across time zones. Our work is backed by ISO-certified quality standards, strategic partnerships with leading tech platform, and a long-standing commitment to engineering excellence. Instinctools holds a broad portfolio of regional and industry-specific certifications, including CIR, HIPAA, and other compliance frameworks required for regulated markets. The 2025 Annual Customer Satisfaction Index is 9.1 out of 10.
3 works in Web Application
Located in Potomac, United States (+4)
From €10,000 for Web Application
Worked in Construction (+10)
Speaks English, German(+1)
201-500 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
Cab Engine | Digital Agency
4.9
(5 reviews)
We specialise in building high-performance teams to power your entire marketing engine.
Recommended
A trusted UK agency of 20 years, our unique partnership model has been the foundation for our client's success. Working with brands all over the world, our dedicated digital teams have driven significant results for our clients tech platforms and performance marketing.
4 works in Web Application
Located in Warwickshire, United Kingdom
From €30,000 for Web Application
Worked in Others (+8)
Speaks English
11-50 members

All Web App Development Companies in City of Westminster

12

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