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Boldr raises $5M in a pre-Series A round led by Unconventional Ventures to enhance its home energy management technology.

PRIVATEAug 24, 2026about 4 hours ago

Amount Raised

$5 Million

Round Type

Series A

LondonEnergyRenewable Energy

Investors

S20 FundTechstarsProsegurInclimo Climate Tech FundRoxbury Asset ManagementDavidovs Venture CollectiveTetard VenturesAda VenturesUnconventional Ventures

Description

UK startup Boldr has secured $5 million in a pre-Series A funding round to develop its technology that connects residential energy equipment to the grid. The round was led by Unconventional Ventures, with support from several strategic investors. This funding follows a previous oversubscribed seed round amounting to $3.2 million. Boldr aims to work with HVAC contractors to transform how homes can serve as energy capacities.

Company Information

Company

Boldr

Location

London, England, United Kingdom

About

Boldr is a London-based energy tech company focused on transforming homes into active participants in the power grid. The company creates smart heating and cooling products along with a companion app to automate climate control, manage bills, and support grid savings. By leveraging existing HVAC systems and integrating with EVs and solar, Boldr aims to provide households with capacity to supply back to the grid while optimizing energy use. Their goal is to reduce costs for homeowners and assist grid operators amidst rising energy demand.

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Funding Insights

Based on industry data
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months
Monthly burn rate benchmark
47% of Series A startups spend $400k or more per month on operations
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers

Boldr raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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