Business Portals
Branded portals for partners, vendors, and enterprise customers.
Web Application Development
Web Application Development Company for Modern Businesses
Xentosoft is a web application development company building custom web applications, enterprise web applications, cloud web applications, and web portal development for business — engineered for accessibility, performance, and scale.
Free 30-min call NDA on request Quote in 48h
Business Challenges
The Hidden Costs of Off-the-Shelf Software
Common roadblocks teams face before they invest in a tailor-made solution.
Slow, Outdated Websites
Legacy apps that crawl under modern traffic, hurting conversions and retention.
Fragmented User Experience
Different portals for customers, admins, and staff — no unified design system.
Security & Compliance Gaps
Apps that weren't built with SOC 2, GDPR, or accessibility in mind.
Our Solutions
How Xentosoft Solves It
Lightning-Fast Performance
Edge-rendered apps with sub-second loads and 90+ Lighthouse scores.
Unified Design System
Reusable component library across portals for brand and UX consistency.
Secure by Default
OWASP-aligned, WCAG-compliant, and audit-ready from day one.
Benefits
Business Outcomes That Matter
Enterprise-Grade Security
SOC 2, GDPR, and OWASP-aligned from day one.
High Performance
Lightning-fast apps with sub-second load times.
Dedicated Team
Senior engineers who know your domain and context.
Modern Tech Stack
Built with battle-tested frameworks and tools.
Full IP Ownership
You own the code, the data, and the roadmap.
Ongoing Support
30-day stabilization and SLAs for long-term success.
Development Process
A Proven Path to Shipping Great Software
Transparent, collaborative, and engineered for predictable outcomes.
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01
Discovery
Understanding business challenges and success metrics.
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02
Strategy
Defining technical architecture and delivery roadmap.
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03
Design
Crafting intuitive user experiences and interfaces.
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04
Development
Building scalable, production-grade solutions.
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05
Testing
Ensuring quality, performance, and security.
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06
Launch & Support
Continuous improvement and optimization.
Technology Stack
Built With Modern Technologies
We build with future-ready technologies that scale and stay maintainable.
Frontend
- React
- Next.js
- TypeScript
- Tailwind CSS
Backend
- Node.js
- NestJS
- Python / Django
- Go
Database
- PostgreSQL
- MySQL
- Redis
- Elasticsearch
Cloud
- AWS
- Vercel
- Cloudflare
- GCP
AI Tools
- OpenAI
- Anthropic
- LangChain
- pgvector
Case Studies
Outcomes That Move the Business
Patient portal for a 38-clinic network
Challenge
Patients calling clinics for records, appointments, and bills.
Solution
HIPAA-compliant portal with messaging, scheduling, and payments.
Outcome
Patients self-serve 24/7; clinic front desks freed up.
-54% calls+41% bookings4.9★ rating
Agent dashboard with live MLS sync
Challenge
Agents juggling 5 tools to manage listings, leads, and showings.
Solution
Unified web app with live MLS sync, CRM, and showing calendar.
Outcome
One login for everything; agents close faster.
3x faster+22% close8-week launch
Self-serve customer dashboard at scale
Challenge
Support overwhelmed with billing and usage questions.
Solution
Customer dashboard with usage, invoices, and seat management.
Outcome
Customers self-serve; support deflection unlocked growth.
-47% tickets+18% NPS99.99% uptime
FAQ
Questions, Answered
It's the process of building a tailor-made web application — running in a browser — to solve specific business problems with interactive features, user accounts, and data persistence.
Simple tools ship in 4-8 weeks. Mid-sized portals take 3-4 months. Enterprise platforms run 5-9 months with phased releases.
Most production-ready web apps range from $15,000 to $80,000 depending on scope and integrations.
Always. Every web app is mobile-first, responsive, and tested across iOS Safari, Chrome Android, and major desktop browsers.
Yes — we ship installable PWAs with offline support, push notifications, and app-like UX when a native app isn't needed.
Yes. We integrate with CRMs, ERPs, accounting tools, payment processors, and legacy databases via secure APIs.
We use edge rendering, image optimization, code splitting, and semantic HTML — scoring 90+ on Lighthouse.
Every engagement includes a 30-day stabilization window and monthly retainers for updates, monitoring, and security patches.
Let's build together
Ready to Get Started?
Schedule a free 30-min consultation. We'll review your goals and ship a fixed-scope quote within 48 hours.
No-obligation discovery call
NDA on request
Reply within 24h