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Xentro
Quiet creative studio interior at dusk: long matte-black work surface, lit desk lamp, blue evening light through tall windows
Expertise

Web development.

Conversion-focused websites and landing systems engineered for speed. Designed and built as a unit, not handed off between teams.

  • <2.5sMobile LCP target
  • 100Lighthouse SEO target
  • 99.9%Uptime commitment
  • 30dPost-launch QA window

Capabilities

  • 01Conversion Focused Websites
  • 02Landing Pages for Ads
  • 03Booking and Lead Flows
  • 04CMS Based Development
  • 05Frontend Development
  • 06Backend Integration
  • 07Performance and Speed Optimization
  • 08Analytics and Event Setup
  • 09Maintenance and Updates
  • 10SEO Ready Architecture

We build sites that load fast, convert well, and stay maintainable. The stack is chosen per project. Next.js for most marketing sites, headless CMS where editorial velocity matters, custom backends only where they earn their cost.

Performance is non-negotiable: Core Web Vitals targets are written into the brief, not bolted on at the end. Image, font, and JS budgets are set before the first PR.

Analytics, event tracking, and experiment tooling are wired in at launch. Not a follow-up project. So the marketing team can measure and iterate from day one.

What you get

Production builds that pass real performance budgets. No blank-page hydration, no CLS surprises, no maintenance debt by month three.

  • 01

    Architecture document

    Stack, hosting, CI/CD, and integration map written down before code starts. One page, no framework cargo cult.

  • 02

    Production build

    Type-safe, tested, and deployed on a CDN edge. Every commit goes through preview deploys and lint, type, and test gates before merge.

  • 03

    CMS and content model

    If editorial work continues post-launch, we ship a structured content model with role-based access. Editors stop pinging engineers.

  • 04

    Tracking and analytics implementation

    GA4, Meta CAPI, and any first-party events your campaigns need. Conversion events tested end-to-end before launch.

  • 05

    Documentation and handover

    A README that explains how to run it, deploy it, and add a page. We hand over a working system, not a black box.

How we work

From kickoff to first deploy in weeks, not months. The work after launch is what most builders skip; we don't.

  1. Phase 01

    Scope

    What the site is for, who reads it, and what success looks like in numbers. We translate intent into an architecture brief, not a task list.

  2. Phase 02

    Design and build

    Engineering happens alongside design, not after. Components are built once, used everywhere; performance budgets are set before the first commit.

  3. Phase 03

    Integrate

    CMS, analytics, marketing tools, and any third-party APIs wired in with the same care as the UI. Edge cases get tests, not TODOs.

  4. Phase 04

    Launch

    Soft launch on a staging domain, then promote with DNS cutover. Lighthouse, accessibility, and SEO checks signed off in writing before go-live.

  5. Phase 05

    Operate

    Thirty days of post-launch QA bundled in. After that, retainer or hand-off; we'll point you to the model that matches your team.

Built for

Honest about where we add the most value.

  • 01

    Marketing-driven sites

    Fit
    Your site has to convert paid traffic, not just look the part. We build CMS-backed pages your team can iterate on without engineering.
    Not a fit
    If the goal is a static brochure that never changes, a templated builder will outperform us on cost.
  • 02

    Product companies post-PMF

    Fit
    Your marketing site has fallen behind the product. We rebuild on a stack your engineers respect, Next.js, type-safe, properly observable.
    Not a fit
    If you're chasing a 'rebuild it in a weekend' timeline, expectations and reality won't meet.
  • 03

    Headless and composable rebuilds

    Fit
    Migrating off WordPress, Webflow, or a custom monolith. We do the unglamorous work of content modelling and migration cleanly.
    Not a fit
    Looking for a like-for-like port? Lift-and-shift to a templated platform is cheaper and faster.

Engagement

Three shapes of engagement. We'll tell you up front which one matches your stage.

  • 01

    Build retainer

    FormatMonthly

    Continuous product engineering: features, integrations, and operational improvements on a sprint cadence. For teams shipping every week.

  • 02

    Project build

    Format6-12 weeks

    Fixed-scope marketing site or campaign microsite. Scoped, dated, and shipped on a defined budget.

  • 03

    Performance and tech audit

    FormatTwo weeks

    End-to-end review of an existing build: Core Web Vitals, accessibility, SEO architecture, and security baseline. Written prioritised fix list.

Common questions

  • What tech stack do you use?

    Next.js + TypeScript is the default for marketing sites. Sanity, Contentful, or Storyblok for CMS. Vercel or Cloudflare for hosting.

  • Do you handle ongoing maintenance?

    Yes. Most clients keep us on a retainer for upkeep, content updates, and conversion experiments after launch.

  • Can you redesign without rebuilding?

    Sometimes. If the existing build is healthy we'll redesign on top of it. If it's holding the team back, a rebuild usually pays for itself in 6-12 months of marketing velocity.

  • Do you handle hosting and DevOps?

    By default we deploy to Vercel or AWS with infra-as-code. We can also hand the build to your DevOps team with a deployment runbook and observability set up. Custom infra (Kubernetes, on-prem) is doable but priced separately.

  • Do you take on existing codebases?

    Often, yes. We start with an audit week to understand what's there before touching anything. If the right move is a rebuild, we'll say so.

  • Can the marketing team edit content without engineering?

    Yes. The CMS is part of the build, not an afterthought. Editors get role-based access, draft previews, and a content model that matches how you actually publish.

Sites engineered to convert and to last.

Tell us about the build, the team, and what's slow today. We'll come back with a scoped plan and a realistic date.