What if it doesn't work?

You get your money back: for step 1 if your assistant doesn't run, for the week if your workflow doesn't run on Friday. We never promise sales or hours saved.

Why only one session?

Most small businesses have one bottleneck that matters. Fix it once, learn the method, then do the next one yourself.

Step 1, the diagnostic: $250. Step 2, the week: USD 5,000, half when you book and half on Friday, minus the $250 if you go on within 14 days. AI tools are extra, in your name.

Do I need to be technical?

No. If you use email and a spreadsheet, you can do it.

Which AI tools do you use?

The ones that fit your budget. They run in your accounts, in your name, and we take no commission.

Do you offer ongoing support?

Yes: 60 days, up to 5 hours, are included. After that, the AI partner plan is optional: $400 a month.

Is my business data safe?

Yes. It stays in your own accounts, and we only see what the workflow needs.

What if AI can't help my business?

We tell you on the intro call, before you pay anything.

AI advisory and training for small businesses

We find what slows your business down.
Then teach you to fix it with AI.

No software to buy. You learn to run it yourself, then you never need us again.

Free 30-minute intro call. Then a 90-minute AI diagnostic for $250, refunded if your first assistant doesn't run.

Intro call
Diagnose
Teach
You run it

Book an intro call See who does what

/ Where the founders worked

/ How it works

One week. Here is who does what.

Like a math teacher: we give you the formula, we do the exercise with you, then you take the exam on your own.

01Before · Intro call
You talk. We listen.
You
Tell us how your week runs.
Us
We tell you honestly if AI can help.
30 min, free
02Monday · Diagnose
We find the bottleneck.
You
Show us how you work, and pick the task with us.
Us
By Wednesday, we send your plan, costs and prompts.
1 hour on Monday
03Thursday · Teach
You build it with us.
You
You do the clicks, so you learn.
Us
We guide you at every step.
2 to 4 hours on Thursday
04Friday · You run it
On Friday, it runs.
You
You run it on your own.
Us
We stay on call for 60 days, up to 5 hours.
From Friday

What we need from you

One person who decides.
3 to 5 hours that week.
The person who does the task, on Thursday.
Your tool logins, by Monday.

/ The right fit

Who this is for, and who it is not for

We work with window fitters, cleaning companies, trades, agencies and shops.

This is for you if

You have 1 to 150 people, and you decide.
You want a clear result: earn more or spend less.
You have no time to research and test.
You want to learn it, then run it yourself.

This is not for you if

You want us to do it for you.
It takes 5 approvals to decide anything.
You want guaranteed numbers.
No one has 2 hours a week to practise.

Not sure? That's what the intro call is for.

Book an intro call

/ What we do

What BlackStack does with AI

We put AI to work on your own tools, and your team runs it.

AI business brain

One AI brain on top of the tools you already use.

Your emails, quotes, client files and spreadsheets, linked in one place AI can read. It runs in your accounts, so you own it.

Company knowledge graph: Ask questions about your business in plain words.
Workflows that run on their own: Weekly tasks run with AI, and you approve what matters.
Connected to your tools: Gmail, Outlook, Google Drive, your CRM and accounting. Nothing to replace.

Talk to usTalk to us about AI business brain See use cases

Custom AI agents

AI agents built around how your business works.

An AI assistant with one job, connected to your tools. You build it with us, and it waits for your approval before it sends anything.

Lead reply agent: Answers new enquiries in your voice and books the visit.
Quote agent: Turns site-visit notes and photos into a draft quote with your prices.
Follow-up agent: Follows up unsigned quotes and late invoices.
Customer service agent: Answers common questions and passes the rest to you.

Talk to usTalk to us about Custom AI agents See use cases

Custom AI tools

Need it built? We build it, then hand it over.

For tools too big for one session. We build them, hand them over with tests, and teach your team to run them.

Internal apps: Job tracking, stock or planning, in an app that fits your team.
Dashboards: Your key numbers on one screen, updated on their own.
Client portals: A page where clients follow their order, sign quotes and pay.

Talk to usTalk to us about Custom AI tools See case studies

AI strategy and roadmap

Know where AI pays off before you spend on it.

We find the bottleneck that costs you most and tell you what to build first and what it costs. If AI is not the answer, we say so.

Bottleneck audit: We rank the tasks where AI helps most.
Build, buy or skip: For each idea, the cheapest option and its monthly cost.
Written plan: The order of work, the tools, the costs and ready prompts.

Talk to usTalk to us about AI strategy and roadmap See how it works

/ The team

Built by operators, not by marketers

We run our own businesses with AI every day. We teach what we use.

Sales and distribution

Tristan Fonteneau

Co-founder, engineer (M.Eng)

Neo4j: enterprise sales development, $1.12M closed
FedEx: industrial engineer, pan-European project
CEDAP: warehouse app, +67% productivity

CertifiedLean Yellow Belt · Lean Green Belt · SAFe (Scaled Agile)

Build and operations

Grégoire François

Co-founder, engineer (M.Eng)

Alu-Fonte: director of operations, full foundry build-out, $75k saved
Sunna Design: lean production lines, 30% fewer delays

CertifiedLean Yellow Belt · Lean Green Belt

Years coding: 7+
Years in sales and operations: 6+
Years building with AI: 4+
Companies founded: 5+

/ Pricing

Start with 90 minutes. Go further only if it works.

Step 1 · AI diagnostic

$25090 minutes by video, paid when you book

We find your number-one bottleneck together
You build your first AI assistant, with ready-made templates for your trade
A written plan for what to fix next

If your assistant doesn't run by the end of the session, you get your $250 back.

Go on to the week within 14 days and the $250 is deducted.

Book the diagnostic

Step 2 · AI Bottleneck Session

$5,000one time, all in

50% when you book, 50% on Friday once it runs.

Diagnosis, written plan, costs and ready prompts
A 2 to 4-hour build session, live with your team
A playbook, a self-check list and the recording
60 days of support, up to 5 hours

Our guarantee: if your workflow doesn't run on Friday, you get all your money back.

AI tools are in your name, paid by you. No lock-in, no affiliate links.

Book an intro call Start with a free website review

After the 60 days, if you want it

Optional. Most clients never need it.

AI partner

$400

a month, 3 hours, cancel any month

Questions, a review of what you build, and what to tackle next.

Built for you

On request

quoted after the intro call

We build it, hand it over with tests and teach you to run it.

/ FAQ

Questions we hear a lot

Still not sure? Ask us. We reply within one business day.

Ask a question

No. You build it with us, so you can change it without us. Bigger tools can be built on request.

/ Free website review

Send us your website. Get 3 ideas back.

We send 3 concrete AI ideas to the contact details on your site. Free, within 2 business days.

/ Case studies

What we fixed, and how

See all case studies

CEDAP

Plastics manufacturer: warehouse and deliveries

Result: Productivity up 67%, processing 55% faster, and no more order errors.

Read the case

Alu-Fonte

Aluminium foundry

Result: The whole foundry runs from one screen, and the build-out saved $75k in costs.

Read the case

Sunna Design

Solar street lighting manufacturer: production lines

Result: 30% fewer production delays.

Read the case

We find what slows your business down.
Then teach you to fix it with AI.

One week. Here is who does what.

You talk. We listen.

We find the bottleneck.

You build it with us.