Quantinuum logo

Quantinuum

Brand

4.1

Company overview

Science led and enterprise driven, Quantinuum unites Cambridge Quantum’s best-in-class software with Honeywell Quantum Solutions’ high-performing trapped-ion hardware. We are scaling quantum computing and developing applications today to solve the world’s most pressing challenges.
Founded in 2021
Broomfield, Colorado, USA
611 employees
www.quantinuum.com
75% recommend to a friend
69% positive business outlook

Salaries

Typical salary range

$244,000 – $305,000

/ yr

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People

Founders and leadership

Ilyas Khan, KSG
Ilyas Khan, KSG
Founder, Vice Chairman of the Board of Directors and Chief Product Officer
At the company for 4 years 9 months
Harrison Dietz
Harrison Dietz
Senior Analyst, Strategic Initiatives to the Founder
At the company for 4 years 1 month

Marketing leadership

Lawrence Schwartz
Lawrence Schwartz
Chief Marketing Officer
At the company for 1 year 8 months
Ken Slater
Ken Slater
VP, Marketing Operations
At the company for 5 months
Richard Krieger
Richard Krieger
Vice President - Field Marketing
At the company for 5 months
David Pappalardo
David Pappalardo
Director, Website & Marketing Operations
At the company for 6 months

Hiring contacts

Chris Griffith
Chris Griffith
Principal Global Talent Acquisition Manager - EMEA/APAC
At the company for 5 years 9 months
Samantha Bouma
Samantha Bouma
Sr HR Director
At the company for 5 years

Hiring activity

Open marketing jobs over time

11 open now

Headcount trend

Company growth over the last 12 months

Headcount +20.3% year over year

Funding

Total funding

$925M

Last raise

$600M

Series B, 7 months ago

Funding history

Aug 2025

Series B Quantinuum · $600M

Jan 2024

Series A Quantinuum · $300M

Feb 2022

Convertible Note Quantinuum · $25M

Audience

Monthly website visitors
77.7K
Month over month0%
Quarter over quarter0%
Top sourceSearch (31.8%)
Ad budget per month$3.6K
Average search rank46.8
Traffic source mix
Search
31.8%
Direct
22.2%
Referral
4.4%
Social
2.3%
Paid referral
0.3%

LinkedIn followers

Follower count and growth

Total followers

59.4K

12-mo growth

+60.9%

Monthly growth

+3%

News

Links

www.quantinuum.comLinkedInCrunchbaseX (Twitter)
Glassdoor