Fundraising Fox

Optimal

Entrepreneur First '16

London, GB · Founded 2016 · 8 known investors

Find your way into Optimal

1,973 people in our graph share verified history with the Optimal team — schools, employers, funds. One of them is your warm intro.

Erin Price-Wrightunlockedknows Dave Hunter · together at University of Oxford (overlapped)
×4knows the team · via Imperial College London
×2knows the team · via Deutsche Bank
×5knows the team · via Entrepreneur First

Optimal provides AI-based greenhouse climate control that connects to growers' climate computers (such as Priva and Ridder) via cloud APIs and automatically adjusts settings 24/7 to hit target climate conditions as weather forecasts change. It serves commercial greenhouse growers, with deployments in Ontario and the Netherlands.

Also known as Optimal Labs · Optimal Labs Limited

Founders & leadership

Optimal was founded in 2016 by Dave Hunter and João Abrantes.

DHDave Hunter
Dave HunterinFounder/CEODave Hunter came out of Oxford University's Machine Learning Research Group to apply advanced AI control systems to commercial greenhouses. He holds a master's in computer science from Oxford and a degree in aeronautical engineering from Imperial College London.
JAJoão Abrantes
João AbrantesinFounder & CTO2016–2018João Abrantes trained in bioengineering before completing a PhD in robotics at EPFL in Lausanne. He is the founding CTO of optimal.

Investors · 8

Company profile

researched Aug 2026

Optimal, operating as Optimal Labs Limited, sells an AI-based climate control service for commercial greenhouses. Growers define the climate they want — temperature targets, humidity deficit (HD) ranges, uniformity across compartments — and the system translates those targets into the hundreds of individual settings a greenhouse climate computer requires, updating them continuously as the weather forecast changes. The company positions this as an alternative to manual trial-and-error setting adjustment by head growers.

The workflow described on the company site has four steps: the grower states the desired climate strategy; Optimal shows predicted climate and planned settings for each compartment over the next 24 hours; Optimal writes settings into the climate computer through official APIs, leaving the grower's existing settings in place and allowing a return to manual control at any time; and Optimal monitors the greenhouse around the clock, addressing issues before they occur and alerting the grower when needed. The company states its AI simulates the entire greenhouse to model the effect of a settings change before it is made.

The website describes Optimal as an "AI partner" to climate computer vendors Priva and Ridder, connecting via secure cloud APIs with no additional sensors required. Customer case studies published on the site cover Integral Farms in Ontario and a Dutch grower operation.

Business model

Optimal supplies a software service layered on top of growers' existing greenhouse climate computers, integrating over vendor cloud APIs rather than selling hardware; the site states no additional sensors are required. Specific pricing or contract terms are not disclosed in the available sources.

Traction

Published customer results include, for Integral Farms in Ontario, 2.2x fewer temperature spikes, 2.3x fewer humidity spikes, and 75% and 88% improvements in temperature and humidity uniformity respectively. A Netherlands case study cites a 13% yield increase, 27% energy savings, a 10°Bx cherry-on-vine season average, and roughly 10 minutes per week spent by the grower on climate control. The product page also cites ±0.1°C temperature accuracy. All figures are self-reported by the company.

Latest developments

The company website carries a 2026 copyright notice for Optimal Labs Limited and publishes customer case studies from Ontario and the Netherlands, with active demo booking and careers links. No funding, product launch, or corporate events are documented in the available public sources.

Full profile — market position, technology, go-to-market, geography

Market position

Optimal presents itself as an AI layer sitting on top of incumbent greenhouse climate computer platforms (Priva, Ridder) rather than as a replacement for them. The available sources do not identify named competitors or provide market share information.

The company emphasizes execution of the grower's own climate strategy rather than imposing a growing method, integration through official vendor APIs without additional sensors or replacement of existing settings, per-compartment 24-hour forecasts of both climate and planned settings, and reversibility to manual control at any time.

Technology

The system connects to greenhouse climate computers (Priva and Ridder are named) through official secure cloud APIs and writes settings automatically, without replacing the grower's existing settings and with manual override available. An AI model simulates the whole greenhouse to predict the effect of settings changes before they are applied, producing forecasted climate and planned settings per compartment for the following 24 hours, refreshed as the weather forecast updates. Continuous 24/7 monitoring with pre-emptive issue handling and alerting is also part of the product.

Go-to-market

Direct sales via a "book a demo" motion on the company website, supported by named customer case studies. The company describes itself as an AI partner to the climate computer vendors Priva and Ridder, whose official APIs it uses for integration.

Commercial greenhouse operators — the published case studies feature head growers and owners of vegetable production greenhouses, including a cherry-on-vine tomato operation, running multi-compartment facilities on Priva or Ridder climate computers.

Geography

The company states its system is proven in Ontario, Canada and in the Netherlands; the customer case studies published are from those two regions.

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

Key figures

latest reported
Cherry-on-vine season average Brix (Netherlands case study)Jan 202610 °Bx
Energy savings (Netherlands case study)Jan 202627%
Grower time spent on climate control (Netherlands case study)Jan 202610 minutes per week
Improvement in humidity uniformity (Integral Farms, Ontario)Jan 202688%
Improvement in temperature uniformity (Integral Farms, Ontario)Jan 202675%
Reduction in humidity spikes (Integral Farms, Ontario)Jan 20262.3x fewer humidity spikes
Reduction in temperature spikes (Integral Farms, Ontario)Jan 20262.2x fewer temperature spikes
Temperature accuracyJan 2026±0.1°C
Yield increase (Netherlands case study)Jan 202613%

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Companies House · registry record

View on Companies House ↗
Registered name
OPTIMAL LIMITED
Company number
02931957
Status
Active
Company type
Private limited company
Incorporated
23 May 1994
Registered office
Commonwood Farm, Commonwood, Kings Langley, Hertfordshire, WD4 9BB
Nature of business (SIC)
68209 — Other letting and operating of own or leased real estate
Accounts
last made up to 31 Oct 2025 · next due 31 Jul 2027
Confirmation statement
last made up to 18 Nov 2025 · next due 2 Dec 2026

Current officers · 3

  • Heather Anne Lench secretary, appointed 1 Sept 1994
  • Heather Anne Lench director, appointed 11 Dec 1998
  • Michael Anthony Lench director, appointed 14 Jul 1994

Source: Companies House public register · retrieved 23 Aug 2026. Contains public sector information licensed under the Open Government Licence v3.0.

In the news

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 Optimal do?
Optimal is an AI climate-control system that connects to greenhouse climate computers and adjusts settings automatically 24/7.
Who founded Optimal?
Optimal was founded by Dave Hunter, João Abrantes in 2016.
Who are Optimal's investors?
Optimal's investors include 2050, Air Street Capital, Backed, Crane Venture Partners, Entrepreneur First, Carmel Ventures, Koch Disruptive Technologies, Pitango.
Where is Optimal headquartered?
Optimal is headquartered in London, GB.