AVENTRA

Web Applications & SEO

Web applications that load fast, rank well and convert.

From SaaS platforms to company websites, we build on modern frameworks with technical SEO, performance and analytics designed in from the first commit.

  • A fixed-price proposal before any code
  • A working demo every two weeks
  • You own the code, designs and data
  • An NDA before you share anything sensitive

What we build

Web Applications & SEO, shaped to the job.

01

SaaS platforms

Multi-tenant products with billing, roles, onboarding and admin tools.

02

Company websites

Fast, editable marketing sites that represent the business properly.

03

E-commerce and marketplaces

Catalogues, checkout and payments across Stripe, PayPal and local gateways.

04

Customer portals

Secure areas for accounts, orders, documents and support requests.

05

Landing pages

Campaign pages built to test, measure and convert.

06

SEO and performance audits

Finding what holds an existing site back in search, and fixing it.

What you get

Results you can measure.

  1. 01

    Found by the right people

    Server-rendered pages, structured data, clean URLs and sitemaps, so search engines understand every page.

  2. 02

    Fast on every device

    We build to Google's Core Web Vitals, because speed shapes both rankings and conversion.

  3. 03

    Built to convert

    Clear journeys, measured with analytics, so you know which pages bring enquiries and sales.

  4. 04

    Easy to keep fresh

    A content system your team can use, where one is needed, without calling a developer.

How we deliver

Four steps, and a demo every two weeks.

Every step ends with something you can see and approve before the next begins.

1

Research

Audience, search demand and competitors shape the structure before design.

2

Design

Page templates and journeys designed for clarity and conversion.

3

Build

Accessible, fast pages with SEO foundations and analytics in place.

4

Launch and measure

Redirect maps, Search Console, monitoring and monthly improvement.

Technology

The tools we reach for.

Chosen to fit the problem. These are the ones we use most for this kind of work.

  • Next.jsFramework
  • ReactUI library
  • TypeScriptLanguage
  • Tailwind CSSStyling
  • GSAPAnimation
  • CloudflareEdge
  • VercelHosting
  • SupabaseBackend platform
  • PostgreSQLDatabase
  • StripePayments
  • PostHogAnalytics
  • ResendEmail

FAQ

Questions about web applications & seo.

Still unsure about something? Ask us

It removes the technical obstacles and gives your content the best possible foundation. Rankings then depend on content, authority and time, and we will be straight with you about what to expect.

Yes, when it is planned. We map every old URL to its new home with permanent redirects, carry over metadata and monitor Search Console closely after launch.

Where content changes often, we connect a headless CMS so your team can publish without touching code. Where it rarely changes, we keep things simpler and faster.

Usually on a global edge network such as Cloudflare or Vercel, for speed and resilience. We set it up in your company's accounts so you keep full control.

Further reading

Decision guides for this kind of project.

Start a project

Tell us what your site needs to do.

No obligation. The first call is a working session about your goals, not a sales pitch, and you'll hear back within one business day.

  1. 01Share your goalsA short form or a call. No preparation needed.
  2. 02Get a fixed-price proposalScope, timeline and cost in writing.
  3. 03Start buildingA working demo within the first two weeks.