When was Atom Computing founded?

Atom Computing was founded in 2018 and raised its 1st funding round within a year of its incorporation.

Where is Atom Computing located?

Atom Computing is headquartered in Berkeley, United States. It is registered at 2500 55th St Suite 110, Boulder, CO 80301, US.

How many employees does Atom Computing have?

As of Sep 30, 2026, the latest employee count at Atom Computing is 163.

Is Atom Computing a funded company?

Atom Computing is a funded company, having raised a total of $200M across 8 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on May 10, 2018.

How much is Atom Computing worth?

The latest valuation of Atom Computing is $***** as of Jul 01, 2026.

When was the latest funding round of Atom Computing?

Atom Computing's latest funding was a $***** Series C round on Jun 16, 2026, with participation from 8 investors.

Where does Atom Computing rank among its competitors?

Atom Computing ranks 7th amongst 82 active competitors, of which 34 are funded. It stands 5th in terms of total funding among its competitors. The most recent competitor to raise funding was Rigetti Computing, which secured $100M in Sep, 2026.

Who are the top competitors of Atom Computing?

Atom Computing's top competitors include IonQ, PsiQuantum and Oxford Ionics. Among them, Rigetti Computing secured the most recent funding round in September, 2026.

Atom Computing - 2026 Company Profile, Team, Funding & Competitors

Atom Computing is a series C company based in Berkeley (United States), founded in 2018 by Jonathan King. It operates as a Developer of quantum computers using arrays of optically-trapped neutral atoms. Atom Computing has raised $200M in funding from investors like Third Point Ventures, Venrock and PensionDanmark, with a current valuation of $*****. The company has 82 active competitors, including 34 funded and 6 that have exited. Its top competitors include companies like IonQ, PsiQuantum and Oxford Ionics.

Company Details

Developer of quantum computers using arrays of optically-trapped neutral atoms. The company builds systems for on-premises deployment with features such as long coherence times and mid-circuit measurement. It offers tools for quantum algorithm developers to tackle challenging applications. The company focuses on developing large-scale quantum computers.

Website: atom-computing.com
Social
Email ID: *****@atom-computing.com
Registered Address: 2500 55th St Suite 110, Boulder, CO 80301, US

Key Metrics

Founded Year

2018

Location

Berkeley, United States

Stage

Series C

Total Funding

$200M in 8 rounds

Latest Funding Round

Series C, Jun 16, 2026, $*****

Post Money Valuation

$***** as on Jul 01, 2026

Investors

Third Point Ventures & 28 more

Ranked

7^th among 82 active competitors

Employee Count

163 as on Sep 30, 2026

Similar Companies

QuEra & 10 more

View Atom Computing's full profile

Atom Computing is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Reports
Atom Computing Inc. CIN: 20211579237 , United States, Active	Jun 23, 2021	-	-	-

Atom Computing has raised a total funding of $200M over 8 rounds. Its first funding round was on May 10, 2018. Its latest funding round was a Series C round on Jun 16, 2026 for $*****. 8 investors participated in its latest round. Atom Computing has 29 institutional investors.

Here is the list of recent funding rounds of Atom Computing:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 16, 2026	3219301	Series C	5844311	2163621	8993746	5944754
Sep 20, 2024	4406739	Series B	2635252	6279058	8536903	5843979
Jun 04, 2024	6151454	Series B	5817393	9733572	Danmarks Eksport og Investeringsfond	2351543

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View details of Atom Computing's funding rounds and investors

The founders of Atom Computing is Jonathan King.

Here are the details of Atom Computing's key team members:

Jonathan King: Co-Founder of Atom Computing.
Contact Info: 1 email address

View details of Atom Computing's Founder profiles and Board Members

Atom Computing's employee count trend

Atom Computing has 163 employees as of Sep 26. Here is Atom Computing's employee count trend over the years:

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Top competitors of Atom Computing include IonQ, PsiQuantum and Oxford Ionics. Here is the list of Top 10 competitors of Atom Computing, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	IonQ 2015, College Park (United States), Public	Provider of cloud and trapped ion technology-based universal quantum computers	$86M	Google Ventures, New Enterprise Associates ... & 24 others	76/100
2nd	PsiQuantum 2015, Palo Alto (United States), Series E	Developer of photon-based universal quantum computers	$2.32B	BlackRock, M12 & 39 others	72/100
3rd	Oxford Ionics 2019, Oxford (United Kingdom), Acquired	Provider of quantum computers	$48.4M	Oxford Science Enterprises, Braavos & 10 others	67/100
4th	QuEra 2018, Boston (United States), Series B	Manufacturer of universal quantum computers based on Rydberg atoms	$247M	Google Quantum AI, SoftBank Vision Fund & 13 others	65/100
5th	Photonic 2013, Coquitlam (Canada), Series D	Provider of silicon integrated photonics and quantum optics	$342M	Inovia Capital, BCI & 14 others	65/100
6th	Rigetti Computing 2013, Berkeley (United States), Public	Developer of an AI-powered full-stack quantum computing solution based on superconducting qubits	$198M	AME Cloud Ventures, Susa Ventures & 51 others	65/100
7th	Atom Computing 2018, Berkeley (United States), Series C	Developer of quantum computers using arrays of optically-trapped neutral atoms	$200M	Pegasus Tech Ventures, Inovia Capital & 27 others	66/100
8th	Atlantic Quantum 2022, Cambridge (United States), Seed	Developer of quantum computers for computations and processing information	$9M	Engine Ventures, Glasswing Ventures & 6 others	62/100
9th	Quantinuum 2021, Broomfield (United States), Public	Provider of quantum solution through research	$1.34B	JPMorgan Chase, Quanta Computer & 13 others	62/100
10th	ORCA 2019, London (United Kingdom), Series A	Developer of photonic quantum computing systems for machine learning applications	$18.7M	Octopus Ventures, Atmos Ventures & 10 others	62/100