XhaoLabBuilt to grow

Software engineering for business

We build software that does real work in production — from a single tool to a system an entire department depends on. What gets built follows the problem, not a service catalogue.

Three fields cover most of what we are asked for. They are not separate trades: within a project they interlock, and whatever goes beyond them — custom services, interfaces, systems software — we build as well.

Web Design

Websites, landing pages, customer portals and internal dashboards. We measure on average hardware and slow connections, not on developer machines. What we hand over is code someone else can carry on with.

Software

Programs that run on the machine instead of in a browser – with access to hardware, network and system level. From a tool for a single task to a complete line-of-business application, portable or installed, working offline and without an account.

Development

Software no vendor maintains any more: getting the data out cleanly and repeatably, building interfaces to whatever else you run, and replacing the legacy system step by step – without stopping the business.

How a project runs

It starts with the problem, not the solution: what happens today, where it breaks, what it may cost. From that comes a design with a clear architecture, then delivery in reviewable steps — you see something running early instead of slides. After go-live we measure and refine rather than leaving the result to itself.

What else we work on

That is not the end of the list. These areas belong to it as well and can be commissioned on their own or combined with a project:

  • Software & SaaS

    MVPs, customer portals, backends and APIs — up to your own product with roles, permissions and an admin area.

  • E-commerce

    Shops, checkout, payment and shipping — building, optimising or migrating an existing system.

  • SEO & discoverability

    Technical SEO, local visibility and content that actually gets found instead of merely existing.

  • Paid advertising

    Campaigns, landing pages and tracking — with numbers that show what a lead actually costs.

  • CRM & sales

    Rollout, pipeline, lead routing and data migration — so no enquiry gets lost in an inbox again.

  • Branding & design

    Brand, corporate design, interfaces and design systems — consistent across every touchpoint.

  • Data & dashboards

    Bringing metrics together from scattered sources and presenting them so people actually read them.

  • Social media & content

    Strategy, production and systems that support sales and recruiting instead of just generating reach.

  • IT security

    Finding weaknesses, ordering access, hardening systems — before someone else does.

Which of these makes sense for you is what the project blueprint works out – usually it is not the thing asked for first.

The goal is not to ship software but to leave behind a system that holds: built traceably, measurable in production, and still maintainable when someone else takes over.

Book the blueprint – €249 Get in touch

The XhaoLab process in five steps

  • Analysis & Strategy

    Analyse business goals, bottlenecks and potential. The result is a clear roadmap with measurable priorities.

  • Concept & Architecture

    Information architecture, user flow, data flows and integrations are planned for scalability and performance.

  • Design & Prototype

    A prototype makes the result tangible early — as a clickable page or interface, before the actual development starts.

  • Development & Integration

    We build websites, applications and interfaces, and connect them to the systems already running. Load time and maintainability are requirements, not afterthoughts.

  • Launch & Optimisation

    After launch we measure impact, reliability and usage — and refine the system based on those numbers.

All under one roof.

Websites, software and rescue for legacy systems – built in-house, at a fixed price.

Web Design

€990€12,500

See all packages
  • Web Design

    Basic Static Website

    Your professional presence on a single page – online fast, clear, and easy to read on any phone.

    from €990up to €1,500

    • One page that looks great on phone, tablet and desktop
    • Contact form and search-engine basics
    • We take it live for you
    • Ongoing support from €79 / month
  • Web Design

    Starter CMS Website

    3–5 pages you can update yourself – no coding needed.

    from €1,900up to €3,000

    • Clear page structure and menu, plus an editing guide
    • An easy content editor – and we show you how it works
    • Every page prepared for search engines
    • Ongoing support from €149 / month
  • Web Design

    Business Conversion Website

    A website that builds trust and guides visitors towards an enquiry.

    from €3,900up to €6,500

    • 5–8 pages that lead step by step to an enquiry
    • Simple enquiry forms and clear buttons
    • Visitor analytics, cookie consent, local search optimisation
    • Ongoing support from €249 / month
  • Web Design

    Lead System Website

    For sales teams that want a predictable flow of enquiries – right through to a booked meeting.

    from €6,900up to €12,500

    • Dedicated landing pages and step-by-step forms
    • Online booking, with enquiries going straight into your CRM
    • Automatic follow-ups and clear reports
    • Ongoing support from €499 / month
  • Web Design

    Premium Interactive Website

    For brands whose website should stick in people’s minds.

    from €12,500up to €25,000

    • Built entirely to measure – with a content editor if you want one
    • Motion and smooth page transitions
    • Optional: 3D effects and flexible content management
    • Ongoing support from €799 / month

Software

€3,900€38,000

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  • Software

    Purpose-built tool

    A small program that takes one tedious task off your hands – just start it, no installation.

    from €3,900up to €7,500

    • Even runs from a USB stick, no admin rights needed
    • Does one thing – and does it right
    • Source code included – yours to change and pass on
    • Maintenance from €90 / month
  • Software

    Desktop application

    A proper program with its own interface – built for everyday use in your business.

    from €5,900up to €12,000

    • Screens that follow the way you work
    • Works offline – no account, no cloud
    • Easy installation and painless updates
    • Maintenance from €190 / month
  • Software

    System-level program

    For jobs deep inside the system: driving devices, routing network traffic, working quietly in the background.

    from €9,500up to €22,000

    • Talks directly to devices, drivers and ports
    • Runs as a background service, virtual devices included
    • Every action logged and traceable
    • Maintenance from €390 / month
  • Software

    Real-time application

    Sound, video and control in real time – when every millisecond counts.

    from €18,000up to €45,000

    • Processes signals with minimal delay
    • Works with camera, microphone and screen
    • Response time measured, not guessed
    • Maintenance from €690 / month
  • Software

    Line-of-business application

    The central software your whole business runs on – tailored to exactly how you work.

    from €38,000up to €120,000

    • Many workstations, one shared set of data
    • Clear permissions, audit log and backups
    • Training for your team, handover to your IT
    • Support from €1,200 / month

Development

€2,400€14,900

See all packages
  • Development

    System takeover

    Nobody looks after your software any more? We give you the full picture – and put you back in control.

    from €2,400up to €4,500

    • Full inventory: what runs where, and what depends on what
    • Recovery tested for real, not just promised
    • A plain-language manual for day-to-day running
    • On-call support from €149 / month
  • Development

    Data rescue

    Get your data out of the old program – complete, clean and repeatable whenever you need.

    from €4,900up to €9,500

    • Customers, products, documents and the full history
    • Checked against the original: every total has to match
    • As a file, database or interface – as often as you like
    • Ongoing data export from €149 / month
  • Development

    Invoice bridge

    Your trusted software sends proper e-invoices – without having to replace it.

    from €6,900up to €14,000

    • XRechnung and ZUGFeRD to the European standard (EN 16931)
    • Tested against the official validation rules
    • Missing mandatory fields filled in from your master data
    • Format updates when the rules change, from €149 / month
  • Development

    Interface & migration

    Your legacy system finally talks to your shop, accounting and more – data flows automatically.

    from €9,500up to €25,000

    • Connects ERP, online shop, accounting and CRM
    • Data syncs both ways
    • Errors get flagged, never swallowed silently
    • Ongoing monitoring from €290 / month
  • Development

    Full replacement

    Replace the old system step by step – while your business keeps running as usual.

    from €14,900up to €60,000

    • One area at a time – not everything at once
    • All your existing data comes along, complete
    • Sign-off only once every total matches
    • Support from €590 / month
  • Web Design

    Consent & privacy tech

    Get your cookie banner, consent and third-party services technically in order.

    from €900up to €1,800

    • Third-party services load only after consent – revocable any time
    • Fonts and maps without third-party servers
    • A technical inventory as the basis for your privacy policy
    • Ongoing upkeep from €49 / month
  • Web Design

    Speed repair

    Site too slow? We make it faster – without rebuilding it.

    from €1,200up to €2,800

    • Measured before and after, under the same conditions
    • Images, fonts, code and server tuned
    • A report showing every single change
    • Speed monitoring from €49 / month
  • Web Design

    Hardening

    Better protection against attacks – fewer weak spots, less risk.

    from €1,400up to €3,200

    • Clear rules for which code may run on your site
    • Protection against bots and request floods
    • Guided by the BSI IT-Grundschutz module APP.3.1
    • Ongoing upkeep from €79 / month
  • Web Design

    Accessibility

    Make your site usable by everyone – to the requirements in force since 2025.

    from €2,900up to €7,500

    • Usable by keyboard and screen reader, with clear contrast
    • A calm, motion-free view for anyone who needs it
    • An audit report you can follow point by point
    • Ongoing upkeep from €79 / month
  • Web Design

    Multilingual

    Your site in more languages – set up so search engines find every version correctly.

    from €3,500up to €12,000

    • Up to 45 languages, managed in one place
    • Each language correctly matched by search engines (hreflang, sitemap)
    • Checks that no language falls behind
    • Ongoing upkeep from €90 / month
XhaoLab Built to grow
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