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AmpliSi Raises £2M in Pre-Seed Funding led by Northern Gritstone and Clean Growth Fund. The funds will support the company's transition from laboratory development towards industrial scale-up.

PRIVATEMar 17, 2026

Amount Raised

£2 Million

Round Type

Pre-Seed

ManufacturingEnergyRenewable Energy

Investors

Northern GritstoneClean Growth Fund

Description

AmpliSi, a University of Sheffield, UK-based spin-out developing silicon anodes for next-generation lithium-ion batteries, raised £2m in pre-seed funding. The round was led by Northern Gritstone and Clean Growth Fund. The company intends to use the funds to support transition from laboratory development toward industrial scale-up and early customer engagement. Co-founded and spun out of the University of Sheffield with company builder Cambridge Future Tech, AmpliSi is led by Dr Ruth Sayers, CEO.

Quick answer

AmpliSi raised £2 Million in a Pre-Seed round, dated March 17, 2026. Investors: Northern Gritstone and Clean Growth Fund.

How much did AmpliSi raise?
AmpliSi raised £2 Million in a Pre-Seed round on March 17, 2026.
Who invested in AmpliSi?
Northern Gritstone and Clean Growth Fund are named as investors in this round.
What does AmpliSi do?
AmpliSi is a University of Sheffield, UK-based spin-out developing silicon anodes for next-generation lithium-ion batteries.

Source: Fundz verified event record.

Who else raised in Energy and Renewable Energy around the same time

Companies in the same sectors as AmpliSi that raised within 45 days of this round, from Fundz verified event records.

  • Lucid Group raised $550M (Series C) on May 1, 2026.
  • Blue Energy raised $380M (Funding Round) on April 21, 2026.
  • NOC Energy raised $2.7M (Seed) on April 20, 2026.
  • Rivan raised $34M (Funding Round) on April 20, 2026.
  • Sepion Technologies raised $10M (Series B) on April 17, 2026.
  • Lucid Group raised $1.1B (Post-IPO Equity) on April 15, 2026.

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Company Information

Company

AmpliSi

About

AmpliSi is a University of Sheffield, UK-based spin-out developing silicon anodes for next-generation lithium-ion batteries. The company uses a novel low-temperature process to convert abundant silica into porous silicon, aiming to replace graphite in batteries. Its proprietary technology enables the production of lighter, longer-lasting batteries for applications such as electric vehicles and energy storage systems. Founded by Dr. Ruth Sayers, AmpliSi focuses on transitioning from laboratory development to industrial scale-up.

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AmpliSi 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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