Pentacorn
Join the waitlist
Pentacorn / 8-week business accelerator

Build your business
on solid ground.

Confirm the buyer. Test the economics. Choose the right way to grow.

Join the waitlist See how it works
How the programme works

Selective admission

Join the waitlist first. Places are offered after an application, a conversation and a review of your numbers.

First cohort planned for February 2027.

Participants
08–10One working cohort
Weeks
08Buyer → economics → funding
Expert disciplines
05Finance & accounting, legal, brand, product, technology
Format
In person (London) and online
Defining success

Different ambitions. Different pathways.

You might want a profitable business you own, investment-led growth or an acquisition. Pentacorn is an operator-led accelerator for founders and established businesses. We shape the work around your business, your ambitions and how you work best—then test the path against real evidence.

The work / 01

Less pitch.
More proof.

Test who buys, whether the economics work, and which way forward fits your ambitions.

  1. Confirm the buyer.

    Test who will pay, at what price, and the smallest product worth building.

  2. Test the economics.

    Model margins, build and running costs, and runway. Stress-test the assumptions.

  3. Choose the right way to grow.

    Compare bootstrapping, grants, angels, revenue-based finance and VC. Explore acquisitions and choose what fits your business.
Explore The Method
Why Pentacorn / 02

An accelerator without the theatre.

01

Operator-led.

A Group CFO and former founder, supported by specialist experts.

02

Attention, not volume.

8–10 committed founders. Time to get into the detail of your business.

03

Funding-neutral.

We don't need you to raise. So we'll tell you the truth.

04

Build less. Sell more.

Identify what is worth building, what customers will pay and how to grow profitably.

05

Decisions, not theatre.

Technology helps track your evidence, so you can move forward - or change course.

06

Built around you.

Your ambitions, risk appetite, ways of working, and type of business you want to build.

The expertise / 03

Founders together.
Five expert disciplines.

Finance and accounting, legal, brand and marketing, product, and technology form the core expertise. Selected additional contributors will take part alongside these experts. Individual partners and contributors will be named when confirmed.

Expert seat 1

Finance & Accounting

Understand margins, cash flow and funding readiness. Test the numbers behind your next move.

Partner to be confirmed
Expert seat 2

Legal

Understand ownership, IP and agreements. Spot risks in operations, funding and acquisitions.

Partner to be confirmed
Expert seat 3

Brand & Marketing

Sharpen your positioning. Test buyer demand, sales channels and focused outreach.

Partner to be confirmed
Expert seat 4

Product

Shape an offer worth choosing. Test pricing, prioritise improvements and define what to deliver.

Partner to be confirmed
Expert seat 5

Technology

Assess feasibility, AI and automation. Weigh build-versus-buy, costs and security.

Partner to be confirmed
See each expert's role
A clear fit / 04

Is this
your room?

This is for you if

You've raised your first money — or you're about to

You have a real product or service and early buyer signals

You need to prove the business before the next round

You want the truth about your numbers, even when it's uncomfortable

You'll show up for your fellow founders, every week

Look elsewhere if

You're still at the idea-on-a-napkin stage

You only want access to capital

You aren't ready to test your assumptions

The honest promise / 05

Strong fundamentals.
Or the evidence to change course.

Know what to build, what to change—and when to stop. That’s worth more than another year of burn.

Programme lead / 06

An operator at the table.

Greg Vartoukian

Group CFO. Former founder.

Greg facilitates the whole eight-week programme, bringing financial discipline, a founder’s perspective and a practical grasp of technology to the decisions in front of you.

Meet your programme lead

How he works with you

  • Programme facilitation

    Guiding the whole eight-week programme and leading the cohort’s working sessions.

  • Weekly 1:1s and working sessions

    Focused time to challenge assumptions, work through your numbers and set priorities for your business.

  • Week 4 review

    A full progress review to assess what you’ve learned and reset priorities where needed.

The next step

Make the next decision
with better evidence.

8–10 participants. Five expert disciplines. Eight weeks to test what works.

Join the waitlist

More support, or continuing after the cohort?

Ask about Advisory Support