Enterprise Web App Development
Web Applications Built to Outlast Your Roadmap.
AI-native architecture. US-registered delivery. 1000+ apps shipped over 13+ years. We don’t ship features — we ship outcomes your CFO can measure in 90 days.
4.9 Clutch · 74+ Verified Reviews
ISO 9001 & 27001 Certified
US-Registered (Greenville, SC)
98% Client Retention
Outcomes, Not Output
What Our Web Apps Actually Move
Three recent enterprise builds. Real architecture. Measurable revenue and operational impact. (Placeholder figures — to be confirmed with client logos by AddWeb’s marketing team before publication.)
FinTech · Laravel + AWS
−42%
Loan origination time cut from 11 days to under 6.
Rebuilt a US lender’s underwriting portal with event-driven microservices and AI-assisted document review. ~$3.2M annual operational savings.
Healthcare · Drupal + Node
+3.1×
Patient portal engagement after platform consolidation.
Migrated three legacy patient apps onto a single HIPAA-aligned Drupal + Node platform with telehealth modules. 41-state rollout.
eCommerce · MERN + AI
+27%
Average order value via AI-driven personalization.
Replaced static storefront with a headless MERN architecture plus AddWeb’s recommendation engine. Page load down to 1.4s p95.
The Honest Comparison
Why Enterprises Pick AddWeb Over the Alternatives
Most CTO conversations narrow down to three options: a US-based boutique agency, a generic offshore vendor, or AddWeb. Here’s the unvarnished comparison.
What CTOs Actually Care About
AddWeb Solution
US Boutique Agency
Generic Offshore Vendor
AI-Native, Not AI-Painted-On
The AI Workflows We Ship Inside Web Apps
Our AI engineering team has been building production-grade ML and LLM systems for four years — long before “AI” became table stakes. These are not pilots. These are workflows running in live customer apps right now.
LLM-Powered Document Workflows
Contract review, claims processing, and KYC documents parsed at 94% accuracy. Average human review time cut from 28 minutes to 4.
Predictive Analytics Inside Dashboards
Revenue forecasting, churn prediction, and demand planning models embedded directly into operational dashboards — not in a separate BI tool.
Conversational AI & Voice Agents
In-app chatbots, voice agents for support and sales, and AI search experiences with retrieval-augmented generation against your private data.
AI Agents & Workflow Automation
Multi-step autonomous agents handling repetitive ops work: reconciliation, ticket triage, lead enrichment, content moderation. With human-in-the-loop checkpoints.
The AddWeb Six
Six Commitments That Define How We Work
Most agencies sell you a service. We sell you an outcome. These six commitments aren’t a marketing list — they’re how every engagement is structured, measured, and audited internally.
Every build starts with a strategy review — not a wireframe. We map the business outcome before we touch a line of code.
Scope is locked in writing. Estimates are line-itemed. Burndown is published weekly. No padded contingencies, no surprise invoices.
A named US point-of-contact for every account. A dedicated solution architect, not a rotating bench. 98% retention says it works.
Acquia, Laravel, WP Engine, WooCommerce official partner. ISO 9001 & 27001 certified. 74+ verified Clutch reviews. Not claims — credentials.
Live access to the codebase, the burndown, the timesheets, the test coverage report — from day one. If we’re behind, you’ll know before we tell you.
Every architecture choice is reviewed for AI-readiness, cloud portability, and 3-year maintainability. We build for the roadmap you’ll have, not the one you have today.
Certifications That Aren’t On Most Vendor Pages
The Paperwork CTOs Actually Verify
Acquia Trusted Partner
Official Drupal enterprise partner. Direct escalation path to Acquia engineering.
Laravel Certified Partner
Verified Laravel certifications across the team. Direct access to Laravel core contributors.
WP Engine Agency Partner
Tier-recognized hosting and managed WordPress partner with direct SLA escalation.
WooCommerce Partner
Official partner with priority support, early-access roadmap, and 56+ shipped storefronts.
ISO 9001:2015
Quality management certified — audited annually by an accredited body.
ISO 27001:2013
Information security certified. HIPAA-aligned, GDPR-compliant, SOC 2-aligned builds supported.
ISO 9001:2015
Quality management certified — audited annually by an accredited body.
ISO 27001:2013
Information security certified. HIPAA-aligned, GDPR-compliant, SOC 2-aligned builds supported.
The Apps We Actually Ship
Web Application Types We’ve Built 1000+ Times
Not a “we do everything” agency. These are the application categories where we’ve shipped, scaled, and earned 98% retention. If it’s not on this list, ask — but expect us to tell you when it’s not our strength.
Custom SaaS Platforms
Multi-tenant SaaS architectures with role-based access, subscription billing, and usage-based metering. Built for scale from day one.
Enterprise Portals
Customer portals, partner portals, vendor portals, employee self-service. Single sign-on, fine-grained permissions, audit trails.
Progressive Web Apps (PWA)
App-like experiences with offline capability, push notifications, and installability — without separate iOS and Android builds.
AI-Integrated Web Apps
LLM-powered features, document AI, predictive analytics, recommendation engines — embedded into your core product, not bolted on.
API-First & Headless Builds
Backend APIs with React, Vue, or Next.js frontends. Microservices, event-driven architectures, and BFF (backend-for-frontend) patterns.
Legacy Modernization
.NET Framework to .NET Core. Legacy PHP to Laravel. Drupal 7 to 10. Code audit + risk plan + phased migration with zero-downtime cutovers.
CRM & ERP Customization
Salesforce, Odoo, custom CRM builds. ERP integrations, workflow automation, and Salesforce-native development.
Marketplaces & Booking Platforms
Two-sided and multi-sided marketplaces with payment splits, escrow, dispute resolution, and reputation systems.
Legacy Modernization
.NET Framework to .NET Core. Legacy PHP to Laravel. Drupal 7 to 10. Code audit + risk plan + phased migration with zero-downtime cutovers.
Pick Your Stack — Or Let Us Pick
Full-Stack Coverage Across Web, Cloud, and AI
Stack choice should follow the problem, not the agency’s bench. Our team carries certified depth across every major framework — so we recommend the right tool, not the only tool we know.
Frontend & SPA
Cloud & DevOps
How We Actually Ship
From Strategy Call to Production in Five Stages
Most agencies sell a process diagram. We publish ours — and we’re audited against it every engagement.
01
Strategy Call
30 minutes with a Solution Architect — not a salesperson. You leave with a written technical perspective whether or not you hire us.
02
Discovery Sprint
1–2 week paid discovery. Architecture diagram, risk register, line-itemed estimate, fixed timeline. You own the artifacts.
03
Build & Review
Two-week sprints. Daily standups. Live codebase access. PR reviews against our published engineering standard. Weekly burndown.
04
UAT & Hardening
Automated tests, SAST scans, OWASP Top 10 audit, load testing. UAT environment with your stakeholders before any production deploy.
05
Launch & Run
Zero-downtime cutover. 30-day hypercare. SLA-backed maintenance retainer optional. Most clients retain a smaller team for ongoing roadmap work.
06
Built for What’s Next
13+ years shipping. 1000+ projects. Real production AI today.
Industry Depth, Not Generalist Spread
Where We’ve Shipped the Most
Industry context matters more than framework choice. These are the verticals where we’ve shipped repeatedly — meaning we already know the compliance rules, integration patterns, and failure modes.
eCommerce & Retail
WooCommerce, Shopify, Magento, headless commerce. AI personalization, recommendation engines, ERP integration.
Healthcare
Patient portals, telehealth, EHR integration, HIPAA-aligned builds. Drupal and Laravel-led architectures with audit-ready logging.
FinTech
Lending platforms, KYC/AML workflows, payment orchestration. PCI DSS-aligned. Event-driven microservices.
Education
LMS platforms, course marketplaces, assessment engines. Multi-tenant SaaS architectures for institutions and EdTech startups.
Real Estate
Property listing platforms, MLS integrations, agent CRM, transaction workflows. Marketplace and SaaS architectures.
Government & Public Sector
Drupal-led citizen portals, accessibility-compliant builds (WCAG AA), data residency-aware deployments.
Founder’s Stance
Why the AddWeb Model Exists
AddWeb was built on a contrarian bet: that enterprise web app development doesn’t have to choose between US contracting trust and India delivery economics. After 13 years, 1000+ shipped projects, and a 98% retention rate, the bet has held.
We don’t compete on price. We compete on outcomes — and we publish how we get there.
Verified On Every Major Review Platform
Trust Earned, Not Claimed
4.9 Clutch from 74+ verified reviews. Ranked #1 IT Services Company in Greenville, SC by DesignRush (May 2026). Verified across GoodFirms, Glassdoor, and Google.
Questions Every CTO Asks Before Signing
Web Application Development FAQ
Straight answers, not sales pitches. If your question isn’t here, the strategy call is the fastest way to get a written response.
Most enterprise web app engagements at AddWeb fall between $15,000 and $150,000 depending on scope, integrations, and AI requirements. Discovery-only sprints start at $5,000. We provide a written, line-itemed estimate within 48 hours of a scoping call — no boilerplate, no padded contingencies.
AddWeb is US-registered (Greenville, SC) with delivery from a 160+ engineer center in India — enterprise contracting on US soil, with cost efficiency competitors cannot match. We hold official partnerships with Acquia, Laravel, WP Engine, and WooCommerce; freelancers and most boutiques do not. Our 98% client retention rate is roughly 30 points above the offshore industry average.
PHP frameworks (Laravel, Drupal, WordPress), JavaScript runtimes (Node.js, React, Vue, Next.js), Python (Django, FastAPI), .NET, MERN, MEAN. Databases include PostgreSQL, MySQL, MongoDB, and Redis. Cloud delivery on AWS, Azure, and GCP with full IaC via Terraform and CI/CD via GitHub Actions or GitLab.
Yes — we sign a mutual NDA before any scoping conversation. All work product, source code, and IP transfer to you upon final payment under a US-law-governed Master Services Agreement. No hidden licensing fees. You own everything we build for you.
Yes — and it’s one of our most common engagements. We start with a 1 to 2-week code and architecture audit, deliver a written rescue plan with risk ratings, and quote a recovery roadmap. We have inherited projects from in-house teams, prior agencies, and freelance contractors across Laravel, Drupal, .NET, MERN, and legacy PHP codebases.
ISO 9001:2015 (quality management) and ISO 27001:2013 (information security). We are an Acquia Trusted Partner, Laravel Certified Partner, WP Engine Agency Partner, and WooCommerce Partner. We support HIPAA-aligned, GDPR-compliant, SOC 2-aligned, and PCI DSS-aligned builds depending on industry requirements.
Every engagement is led by a Solution Architect with 10+ years of experience plus a dedicated PM. For early-stage clients without an internal CTO, we offer Remote CTO Services — a fractional senior engineer who owns technical direction, hiring decisions, and architecture reviews.
An MVP typically ships in 8 to 14 weeks. A full enterprise platform with AI workflows, integrations, and compliance review runs 16 to 28 weeks. We commit to a fixed timeline after a 2-week paid discovery and publish a weekly burndown so you always know what’s at risk.
Yes. AddWeb has run a dedicated AI web application development team for four years. We ship LLM-powered workflows, AI agents, document AI, computer vision, and predictive analytics inside production web applications — not as bolt-on features but as part of the core architecture from day one.
Every pull request is peer-reviewed against a published engineering standard. We run automated SAST, dependency scanning, and OWASP Top 10 checks in CI. All code is delivered with unit and integration test coverage. AddWeb is ISO 9001 (quality) and ISO 27001 (information security) certified — audited annually by an accredited body.
Both. Fixed-price suits well-scoped builds with stable requirements. A dedicated team (typically 3 to 12 engineers plus a PM and architect) suits ongoing product development where scope evolves. Many clients start fixed-price and shift to a dedicated team post-launch — pricing transparency is consistent across both.
Every engagement runs on a 4+ hour daily overlap with your timezone. US clients get a 7 AM to 11 AM PT or 10 AM to 2 PM ET overlap. UK and EU clients get a full working-day overlap. Daily standups, Slack-native communication, and a single named US point-of-contact (based in Greenville, SC) for escalations.
Yes. Post-launch we offer SLA-backed maintenance plans (24/7, 12/5, or 8/5 coverage), proactive performance monitoring, security patching, and quarterly architecture reviews. Most clients retain a smaller version of their build team for ongoing feature work — this is why our 98% retention rate is what it is.
Three ways. First, request our Capabilities Deck and recent case studies. Second, read our 74+ verified Clutch reviews and Glassdoor feedback. Third, book a 30-minute strategy call where a Solution Architect — not a salesperson — gives you a free technical review of your problem. Most decisions get made off that call.
Your Competitors Are Moving
We Make Sure You Move First.
Book a 30-minute strategy call with a Solution Architect. Walk away with a written technical perspective on your problem — whether or not you hire us.
