Web/App Development & UX Design
Building digital products, websites, landing pages, and conducting Conversion Rate Optimization (CRO).
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What is a Web/App Development & UX Design?
Web/App Development & UX Design is the combined discipline of engineering and user-centered design that builds, tests and optimizes websites and mobile applications across front-end, back-end and API layers. It produces functional, accessible, performant and localized digital products that meet security, privacy and regional regulatory requirements.
Key Web/App Development & UX Design Companies
Bird Marketing
UK agency for SEO, paid media, social and web services.
Astound Digital
Enterprise commerce consultancy for experience, integration, and growth.
Webstacks
Composable web agency for B2B technology and fintech companies.
Huemor
B2B web design and development agency for conversion-focused websites.
Deviniti
Enterprise workflow software, Atlassian apps and AI delivery services.
Tech Mahindra
Enterprise IT services and consulting for large organisations.
Classy Llama
Digital commerce consultancy for ecommerce builds, integrations and growth services.
fischerAppelt
Integrated German agency group for communications, media and digital delivery.
Flight Centre Travel Group
Global travel retailer and corporate travel management group.
Deloitte Digital
Enterprise digital consultancy combining strategy, creative, technology and marketing operations.
nexum
Digital consultancy delivering strategy, CRM, commerce and experience implementation.
Monterail
Polish software studio for custom products, design and AI delivery.
UpTechVision
B2B software studio with a self-hosted ad tracking platform.
Cloudflight
Digital engineering consultancy for software, cloud, commerce and AI delivery.
Viget
Digital consultancy for strategy, design, and software development.
SmartBug Media
B2B digital agency centred on HubSpot, web, SEO, and RevOps.
Scalevise
AI automation and integration partner for growth-stage businesses.
NEW WAY
Slovak digital agency for websites, e-shops and performance marketing.
ETICDATA
Barcelona IT services firm for cloud, security and operations.
Unic
Swiss digital agency for strategy, design, commerce and platform delivery.
DEPT®
Digital agency group combining managed services with proprietary marketing operations tools.
Titan Digital Marketing
Full-service agency for SEO, content, social, web and local growth.
Netguru
Digital product consultancy building software, design, AI, and commerce systems.
WebFX
Digital marketing agency with attribution and CRM software.
Peppersinn Webagentur
Austrian web agency for SMEs, e-commerce, branding and digital marketing.
Plan.Net
Digital agency for consulting, CX, commerce, CRM and performance marketing.
Grabarz & Partner
German creative agency for strategy, research, UX and content.
Ignite Visibility
Digital marketing agency for enterprise and multi-location growth.
Liminal
MarTech consultancy for CRM, automation, analytics and AI.
Bounteous
Enterprise consultancy for digital transformation, engineering, data, cloud and marketing.
DataArt
Enterprise technology consultancy for software, cloud, data and AI delivery.
Merkle, a dentsu company
Enterprise customer experience consultancy with identity and loyalty software.
Webtec
Slovak agency building websites, e-commerce and custom business applications.
GrowthHit
Growth agency for e-commerce brands with CRO-led managed services.
Attekmi
White-label ad exchange and ad server software for publishers.
Thoughtworks
Technology consultancy delivering software engineering, AI and digital transformation services.
BlueVector AI
Low-code AI software for regulated enterprise workflows.
Shimbi Labs
SMB software suite and custom development company.
VML
WPP-owned enterprise marketing, media and transformation consultancy.
Serviceplan Group
Integrated independent agency group for brands and marketing teams.
Petco
Omnichannel pet retailer with services, subscriptions and retail media.
Accedo
B2B OTT software and services for streaming platforms.
Informa TechTarget
B2B technology publisher and intent-data demand-generation platform.
Poller & Jordan Advertising Agency
Miami agency for websites, paid media, and local advertising.
Reset Digital
Omnichannel programmatic adtech platform with managed services and white-label tools.
Mediaplus
Global media agency offering planning, buying, analytics and AI-enabled consulting.
Digital Gravity
Dubai digital agency for marketing, web, app and branding services.
Globant
Digital transformation consultancy with AI platforms and enterprise delivery services.
kontor eins digital
Independent German digital agency for marketing, content, analytics, and e-commerce.
MTN Group
African telecoms group monetising connectivity, fintech, ads and infrastructure.
Olo
Restaurant commerce software for ordering, payments, marketing, and guest data.
Zühlke
Partner-owned enterprise engineering consultancy with proprietary AI platforms.
opper
Publisher revenue software for media sales and subscriptions.
Nefarius Apps
Turkish studio building apps, APIs and product development services.
Smarketer
Performance marketing agency focused on Google and Microsoft advertising.
DataWave
Israeli AdTech firm combining DSP, ad serving, services and owned media.
Digital Pulp
Independent digital agency for strategy, branding, UX and web delivery.
MONKS
German healthcare publisher and digital services provider for medical audiences.
BISA
Argentine textile and brand operations partner for retail growth.
Tatvic
Analytics, CRO and MarTech consultancy with productised enterprise tools.
Brave Bison
Digital marketing group spanning services, consultancy and owned media monetisation.
Mobavenue
Indian adtech platform spanning programmatic buying, monetisation and marketing services.
Airmeet
B2B platform for virtual, hybrid and managed events.
Brixial / Brixial Technologies
Digital agency with white-label software and growth services.
i-webtech Web Solution
Indian digital agency for web development and outsourced marketing.
KlientBoost
Performance marketing agency combining paid media, CRO and analytics.
Scrums.com
Platform for orchestrating engineering teams, AI agents and delivery.
TRG – The Reach Group
German digital media agency for performance, programmatic and analytics.
web-netz
German digital agency for performance marketing and web development.
Bertelsmann
Diversified media, publishing and services holding company.
MeasureSchool
Marketing measurement education, tools and analytics implementation services.
TezMinds
Software development and cloud consulting partner for digital product teams.
Tinuiti
Performance marketing agency with proprietary measurement technology.
ViSTARS AI
Programmatic ad tech stack with software, trading and consulting.
best it
German consultancy for commerce platforms, infrastructure and analytics.
Direct Digital Holdings
Dual-sided adtech platform for publisher monetisation and media buying.
EventMobi
B2B event management software for in-person, virtual, and hybrid events.
FOXVISITS
Digital marketing agency for SEO, paid media and web growth.
Initiative Media
German media agency for planning, performance, commerce and marketing operations.
Nivoria
Data-backed digital marketing agency for email, media buying and growth.
Oberon Technologies
Enterprise content delivery software and VR training services.
PTA Group
Boutique Slovak digital marketing agency for strategy, media and growth.
Virtasant
Cloud optimisation and engineering services with outcome-based pricing.
Digital Group
Spanish full-service digital marketing and consulting agency.
First Online Solutions
B2B software and digital services for service-led businesses.
Dropsolid
Open-source DXP and sovereign AI for enterprises.
Elevation Marketing
B2B agency for channel marketing, media, martech and analytics.
Havas
Global communications group for media, creative and consultancy services.
Third Set Productions
Web development and digital infrastructure services for businesses.
JustRelate
Enterprise CX cloud for CRM, content, automation and analytics.
ad agents
Performance marketing agency for e-commerce and digital advertisers.
ai-ads.net
Managed AI-driven advertising and website services for SMBs.
CBRE
Commercial real estate services group with enterprise workplace and data tools.
DISH
US subscription TV, streaming and advertising inventory business.
Goodway Group
Independent media consultancy blending commerce activation, measurement, and programmatic buying.
MadCap Software
Technical documentation and learning content software for enterprises.
Outstanding Technologies
Bespoke AdTech and MarTech software engineering for businesses.
QueryClick
Performance marketing agency with proprietary attribution and programmatic technology.
SVA
German enterprise IT integrator and managed services provider.
Ad2.0
German digital marketing agency for SME acquisition and visibility.
How Web/App Development & UX Design fit into the ecosystem
Think of it like constructing and furnishing a storefront: developers assemble the structure, wiring and checkout systems while UX designers map the customer flow, signage and layout so people can find and use the product easily. You’ll find cross-functional teams—product managers, engineers, designers, QA and analytics—working in iterative cycles, deploying features, running A/B tests and refining based on real user data. The work plugs into CDNs, identity providers, analytics, ad/martech stacks and payment gateways so performance, attribution and compliance hold up across devices and markets. Good practice includes localization, accessibility and app-store or regional compliance baked into the delivery pipeline.
Market structure and positioning
The market is fragmented: specialist agencies, full-service consultancies, in-house product teams and freelancers sell development and UX services to startups, scaleups, enterprises and government clients. Platform owners (Apple, Google), cloud providers and martech/analytics vendors shape technical standards and distribution channels, while local regulators and app-store rules influence compliance and go-to-market. Pricing models vary from fixed-bid projects and retainers to managed services and productized design systems, with higher premiums for proven regional expertise and platform integrations. Procurement decisions are typically driven by product leaders, CTOs and CMOs who balance speed, cost and long-term maintainability.
Recent Signals (Web/App Development & UX Design)
Three data types that actually predict customer decisions
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