Company
Quintessent
Connectivity to enable A.I. at scale
Also known as QUINTESSENT INC.
- Status
- Operatingas of 2026-09-17
- Business model
- B2B
- Headquarters
- Santa Barbara, CA, United States
- Customers
- AI hyperscalers
- Legal name
- QUINTESSENT INC.
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Record updated 17 September 2026
About
With headquarters in Santa Barbara, CA, Quintessent is an innovator in simplified and resilient AI data center optical interconnect products that minimize total cost of ownership (TCO).
Funding snapshot
- Total raised
- $51.5MSum of rounds, as of 2026-09-17Source (opens in a new tab)
- Latest round
- Series A, $40M
Funding rounds
- Round, 2023
- $11.6M2023-10-10, SEC form D sold, 8 investors
- Round, 2021
- $5.5M2021-12-29, SEC form D sold, 13 investors
- Round, 2019
- $90K2019-09-12, SEC form D sold, 1 investor
- Round, 2019
- $1.1M2019-07-08, SEC form D sold, 10 investors
- Seed
- $11.5MCompany stated
- Series A
- $40MCompany stated
Products
- Hardware
- DWDM-based comb laser product
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