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Observe

Entrepreneur First '17

London, GB · Founded 2017 · 5 known investors

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Observe built a monitoring system for aquaculture that used underwater cameras and computer vision to follow fish behaviour, feeding, and biomass growth in sea pens. Farm operators used its dashboard to adjust feeding and track stock conditions. The company was acquired by AKVA in 2024.

AgTech

Founders & leadership

Observe was founded in 2017 by Hemang Rishi and Pieter Fabry.

HRHemang Rishi
Hemang RishiCEOHemang holds a First Class degree in Electrical and Electronic Engineering from Imperial College London. Before founding Observe, he worked in Dyson's research division.
PFPieter Fabry
Pieter FabryCTOPieter graduated from Imperial College London with a First Class degree in Electrical and Electronic Engineering. He has worked on applying reinforcement learning models to video data and previously conducted nano-satellite research.

Investors · 5

Alumni VenturesreportedManchester · $100K – $10M

How we know: siliconangle.com · Not right? Tell us

Capital One VenturesreportedMcLean

How we know: siliconangle.com · Not right? Tell us

Sutter Hill VenturesreportedPalo Alto · $100K – $5M

How we know: funding news · siliconangle.com · Not right? Tell us

Also in the syndicate · 1

Madrona Ventures

Funding

SEC filings, press & company announcements

$156M disclosed across 1 of 2 rounds · 2025

Source: company announcements and press reports — follow each round's link for the claim.

Company profile

researched Aug 2026

None of the supplied source documents describe Observe (observe.tech), the London-based aquaculture monitoring company founded in 2017. Sources [0]-[4] concern Observe, Inc., a San Mateo, California observability software vendor founded and incubated by Sutter Hill Ventures, led by CEO Jeremy Burton and operating at observeinc.com — a distinct company with a different domain, sector, headquarters and leadership. Source [5] concerns Observe.AI, a Redwood City contact-centre AI company. Sources [6] and [7] are London startup pitch-event listings that use the word "observe" only in generic phrasing and contain no reference to the company.

Because every supplied document is about a different entity, no externally sourced funding rounds, metrics, events, headcount, or competitor information can be attributed to Observe (observe.tech). The profile therefore rests entirely on internally held facts, which are not re-emitted here.

Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.

▸Research sources · 8

primary sources listed

8 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Observe do?
UK aquaculture monitoring startup using underwater cameras and computer vision
Who founded Observe?
Observe was founded by Hemang Rishi, Pieter Fabry in 2017.
Who are Observe's investors?
Observe's investors include Entrepreneur First, Alumni Ventures, Capital One Ventures, Sutter Hill Ventures.
How much funding has Observe raised?
Observe has disclosed $156M raised across 1 of its 2 known rounds.
Where is Observe headquartered?
Observe is headquartered in London, GB.