JOAN
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AI systems for established firms

We build working AI systems inside real businesses.

Joan connects the tools, data and people you already have, then builds the workflows and agents that make the work move. Your team stays in charge, and the system stays yours.

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Spreadsheets, Email, CRM, Files, Finance joined into one recordSeparate tools (Spreadsheets, Email, CRM, Files, Finance) are drawn as dashed tiles, each joined by a line to one solid block: One record. Above it sits a plate: Your people decide.SpreadsheetsEmailCRMFilesFinance One record Your people decide

Illustrative

Client review, ready for sign-off

  • History gathered from email, CRM and files
  • Draft review pack prepared, with sources
  • Waiting for your team to approve
  • Your tools today: Spreadsheets, Email, CRM, Files and Finance
  • One record, owned by your firm
  • Your people decide
Email, CRM, files, finance and spreadsheets, joined into one record your firm owns. Your people decide.

Joan does not train or fine-tune AI models on client data.

Security and data sovereignty

Selected work

Systems already moving real work.

Selected engagements across company operations, financial firms, and the systems underneath them.

See all our work

Capital & Wealth · Wealth and advice

Impact Investors / IIN

Microsoft security, firm-wide AI working methods and connected knowledge for an investment adviser.

Read the Impact Investors story

Capital & Wealth · Private equity

TNG Capital Partners

Reviews of technology and operations for TNG’s portfolio companies, examining what is ready to scale and what needs attention.

Read the TNG story

How an engagement works

Start with the problem. Build what matters.

A practical review gives you a clear starting point. You can stop there, or ask us to build and hand over the system with your team.

See what we do

  1. Review

    Decide what to fix first

    We look at your systems, data and suppliers with you. Then we agree the few changes that matter most.

  2. Build

    Build it with your team

    We connect the tools you already use and build what is missing. Your people help shape it as we go.

  3. Hand over

    Hand it over to your team

    We test it with your people and show that it works before we call it done. Then we hand it over to your team.

The company behind the work

One team from operating problem to working system.

Led by Latif Horst, founder and CEO, Joan brings strategy, workflow design, engineering, security and adoption into one delivery team.

Joan is the operating brand of Rebel HQ Inc. We work with your people from the first review through implementation and handover.

Industries

The system changes with the industry.

Explore the work, systems and priorities in your field.

All industries

Experience over time

Organisations represented in Joan’s work.

A broader record across delivery, advisory and consulting work over time.

  • Floura & Co.
  • Impact Investors
  • TNG Capital Partners
  • Plug and Play
  • QSara
  • Untap Your Sales Potential
  • Caliber Paving
  • SAP
  • Deel
  • Confluent
  • Mapbox
  • Tedy
  • Vericasa
  • Oasis
  • Workind
  • eyes3

Platforms we build on

  • MicrosoftCloud Solution Provider (CSP) partner
  • Google CloudClient-owned cloud platforms
  • ClaudeClaude workspaces, skills and connections
  • OpenAIModels

Insights

Thinking behind the work.

Read our Insights

Next step

Tell us what you want to fix.

Tell us what slows your people down and what you need to decide. Our team will get back to you. Please leave out client and account details.

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