Parkwalk Advisors

Parkwalk Advisors is a London-based venture capital firm that focuses on UK technology companies with IP backing, primarily those spun out from UK universities. The firm invests across seed to growth stages, including late-stage rounds, and is stage-agnostic, aiming to support unlisted companies with freedom to operate. It concentrates on companies originating from university research, especially in Cambridge and across the UK, and targets sectors such as healthcare, energy, materials, technology, artificial intelligence, big data, life sciences, cleantech, medtech, quantum computing, and the apps ecosystem. Typical investments range from about £0.3 million to £10 million, with capital structures kept in a single share class, and the firm may provide equity or debt financings. Investments are generally planned over a three- to eight-year horizon.

Ian Broadhurst

Investor

Neil Cameron

Investor

Enrico D'Angelo

Finance Director

Cassie Doherty

Investor

Martin Glen

Investor

Past deals in Fuel Cell

Bramble Energy

Series B in 2022
Founded in London in 2016, Bramble Energy specializes in designing and manufacturing high-performance, low-cost fuel cell stacks using printed circuit board (PCB) technology. Their products cater to stationary, portable, and automotive sectors, with customizable options available.

Bramble Energy

Series A in 2020
Founded in London in 2016, Bramble Energy specializes in designing and manufacturing high-performance, low-cost fuel cell stacks using printed circuit board (PCB) technology. Their products cater to stationary, portable, and automotive sectors, with customizable options available.

Bramble Energy

Seed Round in 2020
Founded in London in 2016, Bramble Energy specializes in designing and manufacturing high-performance, low-cost fuel cell stacks using printed circuit board (PCB) technology. Their products cater to stationary, portable, and automotive sectors, with customizable options available.

Bramble Energy

Seed Round in 2018
Founded in London in 2016, Bramble Energy specializes in designing and manufacturing high-performance, low-cost fuel cell stacks using printed circuit board (PCB) technology. Their products cater to stationary, portable, and automotive sectors, with customizable options available.

Ceres Power

Post in 2016
Ceres Power is a British company specializing in fuel cell technology. Founded in 2001, the company develops and commercializes its innovative SteelCell product, which converts fuel directly into electrical power for various applications including commercial, data center, automotive, and residential markets.

Acal Energy

Venture Round in 2011
Acal Energy is a developer of fuel cell systems, modules, and consumable chemicals tailored for various applications, including stationary, residential, and automotive uses that require more than 1 kW of power. The company focuses on creating innovative designs that significantly reduce costs associated with fuel cell systems while enhancing the performance of Proton Exchange Membrane (PEM) technologies. By utilizing a proprietary liquid catalyst, Acal Energy eliminates the need for platinum in conventional fuel cells, facilitating zero-emission and clean driving solutions. This advancement allows users to benefit from clean energy without the delays associated with battery recharging, thereby promoting the broader adoption of PEM fuel cell technologies in key markets.
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