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Yusuf Choudhuryyusuf-choudhury.com
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01 · Yusuf

Yusuf Choudhury · yusuf-choudhury.com

I build the systemsother studios quotesix months to scope.

Technical founder. Systems architect. Operator. Architecture, AI infrastructure, and finance execution — one accountable person, not a slide deck.

Start a conversationSelected ventures

Scroll — the studio assembles

Meet Yusuf

One operator. Dual fluency.

I'm Yusuf Choudhury — a systems architect who thinks in ledgers and ships in production. I direct a registered UK company, architect multi-tenant software, and wire the billing, cloud, and unit economics as one coherent system.

The rare overlap is the point: software architecture on one side, management-accounting discipline (CIMA/CTA) on the other. High-stakes builds need both. You get a single accountable operator instead of an agency telephone game.

Imperial College London sits on the horizon as aspiration — aeronautics-grade systems thinking, not a brochure claim. The work already has to stand up without it.

  • Studio

    Sole director, UK Ltd

  • Finance

    CIMA · CTA dual-track

  • Cloud

    AWS professional path

  • Craft

    Next.js · AI pipelines

I don't ask anyone to imagine what I could build. I point at production systems — then we talk about yours.

Yusuf Choudhury

Problem

You are not short of builders. You are short of one accountable operator.

Agencies translate. Freelancers vanish. Internal teams inherit a half-wired ledger. High-stakes product work needs architecture and P&L in the same skull.

Polaroids

Evidence from the desk.

Ledger

Billing as architecture

Meters, overage, and unused £0 designed with the desk — not bolted on after launch.

Cloud

Floorplans you can walk

Nine AWS certs show up as tenancy, isolation, and runbooks — not badges on a LinkedIn banner.

Studio

Six boutique bands

Architecture, AI infrastructure, audits, executive intake — priced like product, booked like a desk.

Holding

Modex is the factory

This site stays personal. Product SKUs close on their own domains.

Capabilities

What you actually hire.

Systems

Multi-tenant product

Next.js desks, Stripe GBP, Supabase, audit CSV — shipped as operating companies.

Finance

CIMA · CTA fluency

Unit economics, retainers, and success fees that survive a finance review.

Cloud

AWS professional path

Isolation, IAM, and ops that match the commercial story.

Studio

Boutique engagement

Fixed-scope bands with clear delivery — no free-trial theatre.

Outcomes

  1. 01

    One operator instead of an agency telephone game

  2. 02

    Billing and cloud designed together

  3. 03

    Personal site stays personal — Modex owns the factory

  4. 04

    Engagements that close on GBP without invented ARR

Approach

How the work actually happens.

Four principles. No theatre. No free-trial funnel dressed up as strategy.

  1. 01

    One accountable operator

    Product, cloud, and numbers in a single thread. No layered account team translating your brief into someone else's backlog.

  2. 02

    Engineering that respects the P&L

    Billing accuracy, overage discipline, and cash flow are architecture decisions. I design them with the ledger in the room.

  3. 03

    Ship the system, not the deck

    Multi-tenant shells, Stripe, AI pipelines, and ops desks that already run. The proof is a URL you can log into.

  4. 04

    Velocity without the chaos

    Aggressive timelines held together by systems thinking — documented delivery, not heroic weekends.

Engagements and intake: consulting · career intake.

Compare

CapabilityAgency stackSolo generalistYusuf
Architecture + P&LSplit teamsRareSame operator
Production desksOften demosMixedShipped
GBP commercial lawVague SOWsHourly driftProduct-priced bands
Personal ≠ factoryBlurredBlurredHard split

Pricing

Boutique bands. GBP. No free trial.

Six personal services live on this site. Product SKUs close on Modex companies — never invent ARR here.

See services & book

Personal studio · 6 services

Book the operator, not a product desk.

Six studio engagements live on this personal site — book and pay in GBP on Stripe Checkout. Modex SKUs stay on the ventures apex.

  • 01

    Full-Stack SaaS Architecture

    Multi-tenant SaaS, Stripe billing, production shells — Modex-grade delivery.

    From £125,000

    GBP · Stripe Checkout

    ViewBook & pay
  • 02

    AI Infrastructure & Agentic Workflows

    Voice AI, LLM pipelines, agent orchestration for B2B ops.

    From £5,000

    GBP · Stripe Checkout

    ViewBook & pay
  • 03

    B2B System Integration

    CRM / ERP / webhook / ledger sync with FinOps discipline.

    From £5,000

    GBP · Stripe Checkout

    ViewBook & pay
  • 04

    Enterprise Technical Audits

    IP scans, compliance posture, security hardening retainers.

    From £5,000/mo

    GBP · Stripe Checkout

    ViewBook & pay
  • 05

    Growth & Strategy Consulting

    Market positioning, GTM execution, and scaling high-MRR digital products.

    From £2,500

    GBP · Stripe Checkout

    ViewBook & pay
  • 06

    Elite Career & Strategy Consultation

    CIMA/CTA pathways, portfolio positioning, tech/finance exec transitions.

    £500 Intensive · £2,500 Sprint

    GBP · Stripe Checkout

    ViewBook & pay

Proof

Work that already exists.

Credentials only matter if they show up in the build. These are the facts I will defend in a room.

  1. 01 · Company

    Sole director

    An active UK limited company — obligations, delivery, and a name on the filings.

  2. 02 · Shipped

    Production engines

    Live subscriber desks, voice pipelines, and billing — not prototypes parked in a deck.

  3. 03 · Finance

    CIMA / CTA

    Management accounting in flight so architecture respects margin, cash, and the ledger.

  4. 04 · Cloud

    Nine AWS certs

    Practitioner through specialty — floorplans you can walk, not facades.

  5. 05 · Studio

    Six boutique bands

    Boutique architecture, AI infrastructure, audits, and executive intake — priced like product.

  6. 06 · Trajectory

    Imperial on the horizon

    Aeronautics as aspiration — systems thinking at altitude, earned in the work first.

Boutique engagement bands live on /consulting. Book and pay on this personal site.

Selected ventures

The holding company is Modex.

Product catalogs, desks, and pricing live on the ventures apex. This page is the person behind them — a short list, not the factory floor.

Open Modex Ventures →

Full SKU grid, vault R&D, and fleet desks move to dedicated modex-* repos over time.

FAQ

Plain answers.

Is Yusuf-Choudhury.com a product storefront?

No. It is the personal apex. Modex Ventures and each modex-* company close their own SKUs.

How do I book?

Pick a boutique band under Services, then book. Stripe GBP when wired; otherwise the booking desk takes the request.

Do you invent ARR on this site?

No. List prices live on the relevant company. This page is the person.

Free trial?

No.

Contact

Bring the build everyone else avoided.

Six-figure web, SaaS, and systems integration — or a focused consulting sprint. Say what you need. I'll tell you if I'm the right operator.

Email Yusuf →ConsultingCareer intakeVentures on Modex

Personal studio · yusuf-choudhury.com · products live on Modex