kernelhaus

For startups & brands

Make your product click in 60 seconds.

Demos, launch films and AI ads that explain your product before anyone asks for a call, plus the AI systems that keep the pipeline moving after they do.

Trusted by startups building in public and creators with real audiences

  • SlashyYC S25
  • LazestoreE-commerce
  • 427KCombined creator following

01Proof

Case studies

Slashy · YC S25 · 2025

Two demos that make a workspace tool legible in under two minutes

Two product demos for a YC-backed workspace tool, cut to make the product legible to founders in under two minutes.

Read the case study

Lewis Green Energy · 2026

A website, AI ads and demos for a British-led solar brand

Website development, SEO, AI ads, demo films and marketing for Lewis Green Energy, a home-solar company selling panels, inverters, batteries and maintenance plans.

In collaboration with Basement Protocol

Read the case study
Homepage of lewissolarenergy.com: "Reliable Solar, Sustainable Future" over a family dinner scene, with free-assessment and Watch Demo buttons.

Website · Development & SEO

lewissolarenergy.com

Lewis Green Energy · with Basement Protocol

The website for a British-led home-solar brand: product families, packages, maintenance plans and a free-assessment funnel, built and optimised for search.

AI ad

Lewis Solar, day to night

Lewis Green Energy · with Basement Protocol

An AI-generated brand spot for a home-solar company: one house from daylight to dusk, rooftop panels to EV charging, closing on the brand line.

AI ad · Hero loop

Solar, in ten seconds

Lewis Green Energy · with Basement Protocol

A silent AI-generated loop for a solar brand: install, home, field and EV charging, cut to sit behind a headline.

03Services

Content that explains. AI that scales it.

Most engagements start with one of these and grow into a couple.

Content Studio

Video and design that hold attention.

  1. 01

    Product demo films

    Your product doing the thing it does, in 60 to 90 seconds, so a stranger understands it without a call.

    • Script pass
    • Screen capture direction
    • Motion + captions
    • Social cutdowns
  2. 02

    Launch films

    The video that carries launch day: Product Hunt, a funding note, a new release.

    • Concept + storyboard
    • Edit + sound design
    • Colour grade
    • Platform variants
  3. 03

    Paid-social ad creative

    Testable ad units built to survive the first three seconds, with several hooks per concept to A/B.

    • 3–5 hook variants
    • 9:16 / 1:1 / 16:9
    • Caption burn-in
    • Iteration on winners
  4. 04

    UI explainers & motion

    Motion that does explanatory work: UI walkthroughs, animated diagrams, onboarding sequences.

    • Animated UI
    • Diagram animation
    • Lower thirds + titles
    • Source files
  5. 05

    Brand & visual systems

    The identity underneath it all, so the tenth video still looks like it came from the same company as the first.

    • Logo + wordmark
    • Type + colour
    • Motion guidelines
    • Template kit

AI Lab

AI that does the work.

  1. 01

    AI ads

    High-volume AI-generated ad variants for testing, plus AI product visuals and UGC-style spots.

    • Variant batches
    • AI product visuals
    • UGC-style spots
    • Platform labelling
  2. 02

    Founder avatar

    A founder or spokesperson avatar for demos, onboarding and multilingual versions, recorded once.

    • Consented likeness + voice
    • Demo & onboarding videos
    • Multilingual versions
    • Usage terms
  3. 03

    AI systems & automation

    Content and lead workflows, internal assistants, CRM and reporting automation that run without you.

    • Workflow audit
    • Build + QA
    • Handover document
    • Monthly care
  4. 04

    Web & app development

    Marketing sites, launch pages and MVP web or mobile apps, with AI features built in where they help.

    • Design + build
    • Web & mobile apps
    • AI features
    • Launch + hosting

04Packages

Three ways to start.

Fixed scope, fixed revision rounds, and a price you know before we begin. Custom scopes are quoted on the call.

Fixed project · 50% upfront

Demo Film

One product demo that explains the product before anyone asks for a call.

  • 60–90s demo
  • Script pass + storyboard
  • Three social cutdowns
  • Two revision rounds

Quoted on the call

Book a 15-min call →

Setup fee + monthly care

AI Automation

One workflow that saves your team hours every week, built, documented and looked after.

  • Workflow audit
  • Build + QA checklist
  • Handover document
  • Monthly fixes and improvements

Quoted on the call

Book a 15-min call →

05Process

Brief to delivery, without surprises.

  1. 01

    Brief

    We work out what it has to achieve, who it has to land with, and the date it ships.

  2. 02

    Concept

    You see direction and a storyboard before production starts, so the first cut is never a surprise.

  3. 03

    Production

    The team builds against the concept; the creative director reviews every cut before you do.

  4. 04

    Delivery

    Final files in every format you need, with fixed revision rounds agreed up front.

Show us the product.

Fifteen minutes is enough to tell you what the demo should say, and whether we're the right team to make it.