Custom Web Apps
Know Your BudgetBefore You Startthe Build
Project Cost Estimator
Get a realistic starting estimate.
Project featuresBusiness sites, CMS, WooCommerce
Estimated starting budgetfor your project. (USD)
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Custom Web App Services
That Ship & Scale
SaaS MVP Development
We help founders and product teams go from idea to a production-ready MVP: authentication, billing hooks, core workflows, and analytics foundations – without over-building.
You get lean architecture that can grow (multi-tenant later, permissions later) but ships fast now: staging environments, feature flags where they matter, and a roadmap tied to real user feedback.
Admin Dashboards
Role-based admin experiences for operations, finance, support, and internal tooling – tuned to how your team actually works.
We design data-dense UIs that stay fast: searchable tables, bulk actions, audit trails, exports, and integrations with the systems you already use. Built with maintainable component libraries so screens stay consistent as you add modules.
API & Integrations
REST and GraphQL APIs, webhooks, queue-friendly workers, and third-party integrations – Stripe, HubSpot, Slack, shipping providers, and bespoke enterprise endpoints.
We focus on clear contracts (schemas, versioning, idempotency), observability, and error handling so your app plays nicely with partners and scales under load.
Next.js / React Apps
Modern frontends with React and Next.js – SSR/SSG where it helps, client Islands where it doesn’t, and performance budgets enforced from day one.
We align UI components with your design system, implement accessible patterns, and keep bundles lean for strong Core Web Vitals on marketing and app surfaces alike.
Database & Cloud
Postgres, MySQL, Redis, object storage, and migrations designed for safety – from greenfield schemas to refactoring live systems.
We help choose hosting (Vercel, AWS, GCP, Fly, DigitalOcean), wire CI/CD, secrets, backups, and network rules so your data layer stays reliable as traffic grows.
Support & DevOps
Monitoring, incident response, dependency updates, and runway for new features after launch – so your app stays secure and fast while your backlog keeps moving.
Retainers bundle uptime-aware alerting, staging promotions, and performance checks – with clear SLAs and a single thread to your engineering team.
Our Custom Web
Projects
Why TeamExio is the Best
Web Development Agency
Success Stories
That Drive Results
TeamExio was our first development partner and they exceeded every expectation. They walked us through each step, patiently answered every question, and delivered a site that looks professional and works beautifully.
No matter how complex the scope, TeamExio consistently rises to the challenge. They are reliable, resourceful, and deliver quality work every single time.
A pleasure to work with from start to finish. The project was delivered on schedule, and communication was clear and responsive throughout every stage.
TeamExio is the definition of dependable. The quality of their work combined with their professionalism is genuinely hard to match.
TeamExio brought our vision to life with real care and precision. They were responsive, detail-oriented, and made every step of the build feel effortless.
Working with TeamExio was a pleasure from start to finish. They understood the brief immediately, delivered ahead of schedule, and the final result was everything we hoped for.
TeamExio delivered exactly what we needed – clean code, thoughtful design, and zero drama. Their ability to translate our requirements into a polished product was seriously impressive.
Turning Complex Projects
into Clear Execution
No mystery milestones. We sequence discovery, design, and engineering so your web app reaches staging early and production with confidence.
Discovery & Research
We align on users, constraints, and success metrics. We map integrations, compliance needs, and hosting – then define a thin vertical slice for the first shippable milestone.
Tasks involved
Architecture & UX Strategy
Wireframes and API contracts come next: auth flows, data models, and admin surfaces. We validate performance budgets and choose libraries that match your scale – not hype.
Tasks involved
Build & Integration
Iterative builds on staging: front-end components, API routes, background jobs, and instrumentation. Each sprint ends with a demo and a tight feedback loop so scope stays honest.
Tasks involved
Launch QA & Handoff
Load testing, security pass, observability, and handoff: docs, runbooks, and training so your team can operate the system. Production cutover includes rollback plans and post-launch monitoring windows.
Tasks involved
Got Questions?
We’ve Got You
Planning a custom web app or internal tool? Here’s how we scope stacks, integrations, and long-term support.
What tech stacks do you use for custom web apps?
Most builds use React or Next.js on the frontend, Node.js for services and APIs, Postgres or MySQL for relational data, and Redis where caching or queues help. We match the stack to your hosting, compliance, and team – not the other way around.
How do you estimate timelines and cost?
We break work into milestones: MVP slice, integrations, hardening, and launch. The estimator on this page gives a starting budget; we refine with a short discovery call and written scope so trade-offs are explicit before coding.
Can you integrate with our existing systems?
Yes. ERPs, CRMs, payment providers, SSO, and legacy APIs are wired through documented contracts, webhooks, and retry-safe workers. We avoid fragile screen-scraping unless there is no alternative – and we log everything.
How do you handle security and access control?
Role-based access, audit-friendly admin actions, secrets in vaults or env managers, OWASP-minded reviews on auth flows, and dependency updates on a schedule. Penetration tests can be layered in for regulated industries.
Will the app be fast for users globally?
We design for Core Web Vitals and regional latency: CDN for static assets, edge routing where it pays off, efficient queries, and caching layers that fail safe. Performance budgets are checked during development, not only before launch.
What does deployment and hosting look like?
CI/CD to staging and production, infrastructure-as-code when appropriate, health checks, and rollback paths. We can operate on your cloud account or recommend providers (Vercel, AWS, GCP, Fly) based on traffic and compliance.
Who owns the code after delivery?
You own the deliverables in scope: repos, docs, and deployment configs as agreed. We structure the codebase and READMEs so another team can onboard without archaeology.
Do you provide ongoing support?
Retainers cover monitoring, patching, dependency updates, incident response, and small feature streams. Ad-hoc tickets work too when you do not need a monthly commitment.
How is this different from no-code tools?
No-code is great for MVPs and internal experiments. When you need custom logic, deep integrations, data ownership, or scale, a engineered product wins. We still move quickly – with AI-assisted workflows and reusable patterns.