

A website in New York isn't about a prettier homepage – it's about a site that loads, converts, and holds up when traffic spikes. PixelPlex builds websites and web apps that earn their keep, for clients a few blocks from our NYC office and across the US and worldwide alike.
A few extra seconds of load time and half your visitors are gone. Speed isn't a nice-to-have – in New York it's the difference between a lead and a bounce.
A site can look stunning and still sell nothing. Without a clear path to action, pretty pixels just sit there.
An inaccessible site shuts out real users and invites real lawsuits – a growing risk for any business serving New York. We treat custom software development and accessibility as one job, not two.
The site ships, the agency vanishes, and the next change takes a month. Tangled code is a slow, expensive tax on everything you do next.
A form, a login, a payment – each is a door. Ship them without hardening and you're one bad day from the headlines.
From a marketing site to a full web platform, we cover strategy, design, build, and the accessibility and QA that keep a site standing. Businesses come to us for a web application development company in New York that ships and sticks around.

Fast, responsive sites and portals built on clean code your team can actually maintain.
Complex, data-heavy web apps – dashboards, portals, marketplaces – that stay quick under load.
Interfaces designed around what your users are actually trying to do, then tested until they do it easily.
Sites built to WCAG from the first wireframe, so accessibility is native, not bolted on later.
Already live? We run web accessibility consulting and fix what's blocking real users and inviting complaints.
Testing, monitoring, and updates that keep the site fast and unbroken long after launch.
We set up and run the infrastructure your site lives on, so it scales smoothly and stays up without you babysitting servers.
Launch is the start, not the finish – we drive traffic, sharpen conversion, and turn the live site into a growth engine.
Whatever the business challenge, we've built a web solution for it – here are a few we deliver most.
Fast, user-friendly websites and self-service portals that give your business a strong, always-on presence.
Single-page applications that load once and stay snappy, for app-like speed right in the browser.
Web apps with AI and ML built in to spot trends and turn raw data into decisions you can act on.
Chat and assistant bots that handle routine requests and answer customers around the clock.
CRM, BPM, and ERP web systems that cut manual work and keep your operations moving.
Progressive web apps that work offline, load instantly, and feel native on any device.
Decentralized web apps with secure, transparent transactions and smart-contract automation.
Storefronts and marketplaces built to load fast, convert browsers into buyers, and scale with demand.
Multi-tenant subscription products with sign-up, billing, and role management baked in, ready to scale from first user to thousands.
Two-sided platforms that connect buyers and sellers, with listings, search, payments, and ratings that keep both sides coming back.
Here are a few web platforms we're proud to have built:
Built by our web app development company in New York team, this security tool scans smart contracts and sites in real time for a fast-growing user base.

An IP-protection platform that parses on-chain events to catch infringement across Web3.

A medical appointment-scheduling platform from our web application development company in New York, turning a clunky booking process into a few clean clicks.

A full eCommerce digital transformation for a grocery chain, delivered in just eight weeks under a tight deadline.

A data-driven BI web service analyzing millions of NFT events with fast, searchable dashboards.

Here's what the teams we've built for have to say.
We don't disappear at launch – the people who built your web design and development company in New York project stick around to grow it.
Designers, engineers, and testers work side by side, so nothing falls through the cracks between design, build, and launch.
We bake in WCAG compliance and performance from day one, with digital transformation experience behind every build.
17+
years in the technology industry
450+
projects completed
$1.2B
raised by our clients
50M
end-users onboarded across our clients’ dApps
1M+
smart contracts on mainnet
3
unicorns exceeding $1B in value
Clutch rewards

Clear paths to action turn traffic into leads instead of bounces.
Performance built in from the start, so the site stays fast as you grow.
WCAG-compliant builds that open your site to everyone and lower legal risk.
Clean, documented code so the next change takes days, not months.
Custom web development services in New York from a team that stays past launch.
A portfolio of shipped web platforms you can actually click through.
Starting at
$15,000
Custom web development services in New York are scoped to the project: pricing depends on the size of the site, how much custom functionality you need, and the depth of design, accessibility, and integrations.
What's included:
Schedule a call to get an estimate within 24 hours.
Every industry asks something different of its website – here's how we tailor each build.
A great website usually leans on more than front-end – here are the four domains we draw on when a build needs real muscle underneath.
Services
Blockchain
Blockchain consultingStrategy, architecture, feasibility
Crypto wallet developmentSelf-custody, MPC, cards on top
Cryptocurrency exchange developmentTrading venues, liquidity and protocols
Tokenization servicesRWA, funds, collateral
Crypto payments developmentAccept, settle and pay out in crypto
Smart contracts developmentDesign, build, audit
Blockchain integration dApp development DeFi development NFTs Tokens Web3 development All blockchain services All servicesNetworks
Canton developmentDaml apps, wallets, settlement, validators
Official Partner
Ethereum developmentSmart contracts, L2s and dApps
Solana developmentHigh-throughput programs and dApps
TON developmentMini apps, wallets, Telegram ecosystem
Official Partner
Hedera developmentHashgraph apps and token services
Exclusive Partner
Hyperledger developmentPermissioned networks for enterprises
Certified Partner
Cardano Algorand Stellar Avalanche Bitcoin Polygon All networks All servicesAI & ML
AI agents developmentConnect tools and automate multi-step workflows
RAG developmentFind answers across your company’s documents and systems
AI copilot developmentAdd useful assistance to your product or internal tools
LLM developmentCustom and fine-tuned models for your domain
Private AI deploymentRun models in your own environment
AI consultingUse cases, feasibility and a roadmap
Generative AI development Machine learning development Computer vision Chatbot development ChatGPT integration Deep learning development All AI services All servicesData & analytics
Data engineeringPipelines that keep your data reliable
Data platform developmentOne source of truth for analytics
Analytics & dashboards developmentBI your teams actually use
Predictive analyticsForecasts built on your own history
Data strategyWhere data can pay off first
Data visualizationDashboards and visual stories from your data
Data science development Development of data marts All data services All servicesSoftware
Product discoveryValidate scope and cost before you build
MVP developmentA launch-ready first release
Web application developmentPlatforms, portals and internal tools
Mobile app developmentiOS, Android and cross-platform
SaaS developmentMulti-tenant products that scale
Software integrationConnect the systems you already run
Infrastructure & cloud cost UI/UX design IT consulting QA & software testing R&D Serverless development All software services All servicesSecurity & compliance
Smart contract auditsFind vulnerabilities before launch
Transaction monitoring developmentIntercepta inside your systems and processes
Security assessmentsTest apps, infrastructure and processes
Data security servicesProtect sensitive data across its lifecycle
Cloud security servicesSecure cloud workloads and configurations
DAML smart contract auditReview DAML contracts before they go live
All security services All servicesSolutions
Products, APIs and platforms
New
Products and engineering to build and operate on Canton.
In production 55M API requests served in 8 months
Crypto APIBlockchain data for your applications.
Power in numbers 6 TB Data storage. 500K Tokens indexed
RWA platformA foundation for your asset tokenization platform.
Time to launch 2–4 weeks Branding & setup. 90% more cost-efficient
DocFlowBlockchain-based document management.
Use case & value 100% Secure workflows. Zero third-party risks.
OTC Hawk Arbitrage Bot Book a solution consultWork
450+ projects. 250+ clients. 3 unicorns in portfolio
The first non-custodial wallet built natively for Canton
TON ecosystemA series of improvements for The Open Network
Mining platformEnvironmentally friendly web platform for Bitcoin pool mining
Mantra DAOCommunity-governed DeFi: 60+ staking pools, $23M TVL
Canton TON Web3 & DeFi Digital Assets & Tokenization AI & Data Intelligence IoT & Edge Computing Consulting See all projectsIndustries
Trusted by startups, small businesses, and enterprises
Banking, payments, lending, insurance, capital markets
Real estate software developmentInvestment, property operations, tokenization
Retail & commerce software developmentCommerce, loyalty and fulfillment
Supply chain software developmentTraceability and connected operations
Healthcare software developmentPatient services, data and connected systems
Banking software developmentCore banking, digital channels, payments
Fitness Education Oil & Gas Insurance Construction TravelCompany
From R&D to launch, we bring any of your ideas to life
Engineering partner. Product builder. Since 2007.
Technical experience 19+ years All competencies on board. Scalable team.
AchievementsIndustry recognition & awards.
Delivering real value 4.9 Clutch ratings. 150+ awards
Contact usDiscuss your project.
Quick response 30 min Average reply time. Offices in 6 countries
BlogDive into the latest software trends.
Fresh insights 500+ Articles in blockchain, AI, big data, AR/VR
Team Careers Social responsibility Glossary