cyber security · founders · europe and usa
The commercial co-founder for cyber security start-ups.
From idea to exit: executive leadership, first enterprise sales and, where it fits, a seat at the table.
- 20 yrsenterprise cyber and deep tech
- 3 yrsCyLon accelerator
- Pitch@Palaceselected to present
- EU + USenterprise sales
// the gap we fill
Between the prototype and the first contract.
Good security products often stall between the prototype and the first enterprise contract. Accelerators end when the cohort does. Investors want traction before they commit. Fractional sales leaders want a company that already has revenue. Growcyber works with founders through that gap, and stays for the rest of the journey.
- [-] acceleratorsEnd when the cohort does.
- [-] investorsWant traction before they commit.
- [-] fractional_leadersWant a company that already has revenue.
- [+] growcyberStarts at the idea and stays to the exit.
// how we work
With you from idea to exit.
Every company is at a different point. We start where you are, and we stay for as long as we are useful.
- .validate()0x01
Idea
You need to know: is there a buyer, and what would they pay?
We help with: buyer and market validation, positioning, and your first pitch.
- .ship("mvp")0x02
MVP
You need: design partners and a credible story for seed.
We help with: design-partner introductions, your seed narrative, and board-level advice.
- .pilot()0x03
Testing
You need: pilots that convert into contracts.
We help with: scoping, pricing and success criteria for each pilot, and disciplined qualification so you chase the right deals.
- .sell()0x04
First customers
You need: someone who can close enterprise deals.
We help with: first sales feet on the ground in Europe and the USA, and a clean hand-over to your first sales hire.
- .scale()0x05
Scaling
You need: repeatable sales, the right hires, and readiness for the next round.
We help with: executive leadership, your sales playbook, and preparation for investor conversations.
- .exit()0x06
Exit
You need: the right buyer at the right time.
We help with: mapping strategic and financial buyers, and getting the company ready for sale or listing.
// how engagements work
We share the risk and the upside.
Most engagements combine a reduced monthly fee with an element tied to results, such as a success fee on new business or options in the company, agreed in advance. We do not ask for shares on day one. With some of the start-ups we work with, we become a co-founder or join the board. We do not publish fees: every engagement is shaped around the company's stage and runway.
- [-] not an acceleratorThere is no cohort, curriculum or end date.
- [-] not an investorWe do not provide or promise funding.
- [-] not a recruiter or agencyWe do the work ourselves, alongside your team.
// what we bring
The commercial half of the founding team.
- 0x01
Leadership and strategy
Senior commercial judgement at board level: positioning, pricing, go-to-market and the story investors need to hear.
- 0x02
First sales, on the ground
We open doors and run the first enterprise deals ourselves, then hand a working sales motion to your first hire.
- 0x03
A partner with skin in the game
We share the risk and the upside. With some companies, we go further and join as a co-founder or board member.
// two ways in
// for founders
Building a cyber security company?
You are building a cyber security company and need the commercial side of the founding team: leadership, first enterprise sales, and a partner who stays.
Start a conversation// for investors and partners
Backing a cyber security company?
A company you back needs commercial leadership, a sales motion or help getting ready for the next round. We work alongside your portfolio.
Talk portfolio support// where we are active
Securing what comes next.
These are our current areas of interest across Europe and the USA. If you are building something else in cyber security, we would still like to hear from you.
- Quantum-safe cryptographyEncryption built to withstand quantum computers.pqc
- Attack surface managementFinding and closing exposed systems before attackers do.asm
- Open source intelligenceTurning public data into early warning of threats.osint
- AuthenticationStronger ways to prove who, and what, gets access.authn
- AI defenceProtecting AI systems, and using AI to defend.ai-sec

// led by an operator
Built by someone who has sold security to the enterprise.
Growcyber is led by Laurence Haslop, who has spent two decades in enterprise sales and marketing leadership across cyber security and deep tech, including senior roles at Thales, Cambridge Quantum Computing and Quantinuum.
- 20 yearsIn cyber security and deep tech
- 3 yearsWith the CyLon cyber accelerator
- Pitch@PalaceSelected to present

// selective by design
Real hours, not a slot.
We work with a select group of boutique start-ups at a time, so each one gets real hours, not a slot in a programme.
- [+]A select group of boutique start-ups at a time
- [+]Real hours, not a slot in a programme
- [+]Europe and the USA
- [+]With you from idea to exit
// talk to us
Building a cyber security company?
Tell us what you are building and what is in the way.
This website is for information only. It is not an offer or invitation to invest in GROWCYBER LTD or any company it works with.