XhaoLabBuilt to grow
Modern office building with the XhaoLab X emblem above the entrance

Ideas become systems. Systems become growth.

Ideas become systems.
Systems become growth. Try it first. Then have it built at a fixed price.

We build websites and desktop software and replace legacy systems – all the way to reliable day-to-day operation.

Websites from €990, software and legacy-system rescue – a price range for every package, finished examples to click through, and a binding fixed price before we build.

Finished examples to try

See all fixed prices

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.

Prices in euros · currently no VAT (Section 19 UStG) · for businesses

Web Design

€990€12,500

See all packages
  • Web Design

    Basic Static Website

    Ideal for freelancers, practices and small businesses

    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
    Book the blueprint · €249 See all packages
  • Web Design

    Starter CMS Website

    Ideal for businesses that want to keep content up to date themselves

    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
    Book the blueprint · €249 See all packages
  • Web DesignOur recommendation

    Business Conversion Website

    Ideal for businesses that want their website to win new customers

    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
    Book the blueprint · €249 See all packages
  • Web Design

    Lead System Website

    Ideal for sales teams, agents and consultants

    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
    Book the blueprint · €249 See all packages
  • Web Design

    Premium Interactive Website

    Ideal for brands that want to stand out

    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
    Book the blueprint · €249 See all packages

Software

€3,900€38,000

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  • Software

    Purpose-built tool

    Ideal for offices with one repetitive chore

    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
    Book the blueprint · €249 See all packages
  • SoftwareOur recommendation

    Desktop application

    Ideal for teams outgrowing spreadsheets and paper lists

    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
    Book the blueprint · €249 See all packages
  • Software

    System-level program

    Ideal for engineering, labs, production and IT

    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
    Book the blueprint · €249 See all packages
  • Software

    Real-time application

    Ideal for audio, video, measurement and control

    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
    Book the blueprint · €249 See all packages
  • Software

    Line-of-business application

    Ideal for businesses no off-the-shelf software really fits

    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
    Book the blueprint · €249 See all packages

Development

€2,400€14,900

See all packages
  • DevelopmentOur recommendation

    System takeover

    Ideal when the developer is gone but the software still has to run

    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
    Book the blueprint · €249 See all packages
  • Development

    Data rescue

    Ideal when your data is stuck in an old program

    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
    Book the blueprint · €249 See all packages
  • Development

    Invoice bridge

    Ideal when your industry software only does PDF or paper

    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
    Book the blueprint · €249 See all packages
  • Development

    Interface & migration

    Ideal when data is still copied across by hand

    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
    Book the blueprint · €249 See all packages
  • Development

    Full replacement

    Ideal when the old system has become a business risk

    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
    Book the blueprint · €249 See all packages
  • 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
    Book the blueprint · €249 See all packages
  • 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
    Book the blueprint · €249 See all packages
  • 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
    Book the blueprint · €249 See all packages
  • 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
    Book the blueprint · €249 See all packages
  • 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
    Book the blueprint · €249 See all packages
XhaoLab Built to grow
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