A super-powered founder studio
Everything you need to build your business, under one roof.
A fully guided platform to turn your idea into a business worth backing.
Maison Founder helps you shape your idea, build your business plan, understand your numbers and prepare to pitch with confidence.
Build the foundations of your business, beautifully.
Branding Kitchen
Build your brand before anything else.
Choose your company name, palette, typography and voice once, then apply it everywhere across Maison Founder.
Open Kitchen →
TURN YOUR IDEA INTO A BUSINESS WORTH BACKING
Plan Room
Business Plan
Executive summary · target market · pricing · use of funds
Numbers Room
Model the money
Margin · break-even · runway · funding need
Pitch Room
Investor Deck
15 slides · investor critique · sharper narrative
Review Room
Founder Readiness
Score across clarity, customer, pricing & launch
Launch Room
Launch Plan
First 30 / 60 / 90 days · first 100 customers
Library
In Plain English
Tap any term to learn it as you build
From first idea to founder-ready
"I have an idea"→"I can explain it, model it, fund it and sell it."
Maison Founder guides new entrepreneurs through the thinking, structure and materials needed to turn a promising idea into a credible business.
The Branding Kitchen
Cook up a brand worth photographing.
Name, palette, typography, voice and imagery, assembled once and applied everywhere across the studio. Your decks, plans and pitches all dress themselves in the same brand, automatically.
- · A six-page editorial brand book, exportable as a PDF
- · Five-colour palette with named tokens
- · Display + body typography pairing, set for you
- · Voice samples and usage notes for collaborators
No account needed to look around.
Maison Founder · Branding Kitchen
● Live preview
A clearer way to begin
a serious business.
Considered, quietly confident, never loud. This is how a paragraph reads in your brand - change the voice section and watch the tone shift in real time.
Display
Aa
Cormorant Garamond
Body
Aa
Inter · 400 / 500
Auto-saved · applies across every room
Export brand deck (PDF) →
Maison Founder · The Plan · STP
● Live preview
· Tool · Positioning Statement
Write the sentence the customer would say.
A positioning statement is internal — it's not the tagline. Its job is to keep your team aligned on who you're for, what category you're in, and the one thing you do better than the alternative.
For (audience)
Pulled from your target segment, or write a sharper version.
In the category of
What shelf are you on in their mind?
The single most important benefit
One — not three. One.
Auto-saved · feeds the Pitch & Deck rooms
Pull into Business Plan →
Segmentation · Targeting · Positioning
Find the one customer you'll obsess over.
A guided teach-in plus working tool. Slice the market into honest segments, pick the single one worth winning, then write the sentence your customer would actually say back to a friend.
- · Segment scoring rubric — size, pain, reach, willingness to pay
- · One-target focus, the way real strategists do it
- · Live positioning statement that auto-fills as you type
- · Feeds straight into your Plan, Pitch and Deck
No account needed to look around.
Made in the studio
See what your co-founder helps you make.
Real artefacts from inside Maison Founder, drafted, coached and dressed in your brand. This is what 24/7 access to a thoughtful co-founder actually looks like.
Maison Founder
03 - The Solution
Maison Lumière
What we do
A members‑only studio
for first‑time founders.
Plan, pitch and numbers, prepared with a coach in the room.
03
Confidential · Series Seed · 2026
Pitch Room · Slide 03 of 15
The slide that opens the room.
An investor deck slide, dressed in your brand the moment you arrive.
Maison Founder
Business Plan · Section 01
Maison Lumière · pp. 3
Executive summary
A calmer way to begin a serious business.
Maison Lumière is a members‑only studio that helps first‑time founders shape an idea into a fundable, sellable business - with a coach reviewing every section.
Market
5.5M
UK SMEs
Year-1 ARR
£412k
blended
Margin
84%
software
Continues · Problem · Solution · Market
Drafted in the Plan Room
Coach reviewed ✓
Plan Room · Executive summary
Page one of fifteen, written with you.
A business plan that sounds like a founder — not a template.
Maison Founder
Numbers Room · Pricing & margin
What does each unit really make?
Unit cost (£)
12.40
per unit
Sell price (£)
39.00
charged
Your gross margin
✓ healthy
68%
£26.60 kept per unit
Coach · A 68% margin is strong. You can spend up to £7.98 acquiring each customer.
Numbers Room · Margin calculator
The maths, made obvious.
Type a cost and a price — your margin appears, and a coach explains it.
Maison Founder
Maison Lumière
Proposal · Soho House Group
ML-024
The proposal
A six-week pilot to lift member retention by 12%.
A focused study across three houses. A lightweight feedback loop. A playbook your team owns.
24 member interviews
Retention diagnostic
Six-week activation playbook
Investment
£18,400
Timeline
6 weeks
ROI
5.4×
Élodie Marchand
Founder · Maison Lumière
Valid · 30 days
Client Pitch · Sales one-pager
A proposal that wins the room.
Sent in minutes. Lands like it took a week.
Maison Founder
● Live in the studio
your.handle
＋ ≡0
posts
2,418
followers
312
following
Your Brand
new
press
notes
shop
love
Branding Kitchen · Instagram simulator
See your feed before a single post goes live.
Drop in your tone, palette and photos — watch nine perfectly composed posts arrive in your grid. This is what your brand will actually look like on the day you launch.
Investor decks
15 slides
From cover to ask, with a coach critique slide-by-slide.
Business plans
15 sections
Executive summary, market, model, pricing, risks, milestones.
Live numbers
9 metrics
Margin, break-even, runway and funding ask, recalculated live.
Your co-founder, in the room, 24/7
The rooms
Ten rooms. One founder, properly equipped.
Every room is a focused workspace with prompts, examples and an in-house coach. Here is what you walk out with.
I
The Study
Shape the idea
A one-line concept, a clear customer and a problem worth solving.
II
The Market Room
Customer & competition
A sharper picture of who you serve, who you're up against, and where the gap is.
III
The Numbers Room
Model the money
Pricing, gross margin, break-even and runway, calculated from your assumptions.
IV
The Plan Room
Build the business plan
A modern fifteen-section plan you can share with banks, partners or your future self.
V
The Pitch Room
Investor materials
A 15-slide deck, an elevator pitch and an investor coach that grills you before they do.
VI
The Client Pitch
Sell with clarity
Sales decks, one-pagers, cold emails and follow-ups that win first customers.
VII
The Launch Room
Plan the next moves
A first 30 / 60 / 90 day plan and a roadmap to your first 100 customers.
VIII
The Library
Founder terms
Tap any business word, anywhere, and learn it in plain English as you build.
IX
The Review Room
Founder readiness
A score across ten dimensions, with the weakest section flagged so you know what to sharpen.
X
The Founder Pack
Export everything
Your plan, pitch, numbers and launch plan, packaged as a beautiful, brand-styled PDF.
Free to start · membership unlocks every room
The Den · Live Pitch Arena
Walk into your real pitch unrattleable.
A pool of six virtual investors - three meet you in the room each session, freshly mixed every time. One countdown clock. The questions every founder gets asked in Dragon's Den, in seed rounds and in board meetings - scored, in real time, by a coach that doesn't go easy on you.
Tough questions
13+
Curated bank
Investor pool
6
3 per round
Clock
30 / 60 / 90s
Your call
Round 03 · Killer
00:42
"How did you arrive at that valuation?"
Marguerite
8/10
Rashid
6/10
Vivienne
9/10
Coach · sharper opener
"We benchmarked five comps - the median seed was £4m. We're asking £3.2m on £400k of pipeline."
In plain English
Learn the language as you build.
Tap any business word or phrase and Maison Founder will explain it in plain English, with examples and why it matters for your business.
In plain English
Gross margin
The money left after you subtract the cost of making or delivering your product. Sell something for £10 that costs £4 → margin is £6, or 60%.
Why it matters · room to grow, market and hire
The Review Room
Know what is ready and what needs work.
Maison Founder scores your business across clarity, customer need, differentiation, market opportunity, pricing logic, margin potential, route to market, funding readiness, credibility and launch readiness.
Idea clarity
Customer need
Differentiation
Pricing logic
Funding readiness
Launch readiness
Step inside
Step inside Maison Founder.
“Every successful entrepreneur started exactly where you are now.”
Build the plan, shape the pitch and launch beautifully, all under one roof.
Start shaping your businessA calmer way to build something serious.
The founder checklist
The ultimate checklist for starting a business.
Twenty moves every founder makes between the first idea and the open sign. Tick them off as you go - the studio remembers.
Progress
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