UK battery materials startup TaiSan has raised £4.65M in a seed round, co-led by Eos Advisory and the Midlands Engine Investment Fund II to advance sodium battery technology.
Amount Raised
£4.65 Million
Round Type
Seed
CambridgeManufacturingEnergyRenewable EnergyEnergy StorageInvestors
Description
TaiSan, founded by a former chess champion, raised £4.65M in a seed round to develop next-generation sodium batteries for various applications. The funding will help enhance the performance of sodium-ion batteries and support pilot tests with manufacturers. Investors included Eos Advisory, AFI Ventures, and Innovate UK, who provided grant funding. The startup aims to create more sustainable energy storage solutions.
Quick answer
TaiSan raised £4.65 Million in a Seed round, dated July 6, 2026. Investors: Exergon, Techmind, Heartfelt, EverQuest Capital Partners, InnoEnergy, Mercia Ventures, AFI Ventures and Adeline Arts & Science. TaiSan is based in Cambridge, England, United Kingdom.
- How much did TaiSan raise?
- TaiSan raised £4.65 Million in a Seed round on July 6, 2026.
- Who invested in TaiSan?
- Exergon, Techmind, Heartfelt, EverQuest Capital Partners, InnoEnergy, Mercia Ventures, AFI Ventures and Adeline Arts & Science are named as investors in this round.
- What does TaiSan do?
- TaiSan is a UK battery materials startup that specializes in the development of next-generation sodium batteries for various applications including electric bikes, scooters, vehicles, and power tools.
- Where is TaiSan based and how big is it?
- TaiSan is based in Cambridge, England, United Kingdom. Fundz records about 2 employees.
Source: Fundz verified event record.
Who else raised in Energy and Renewable Energy around the same time
Companies in the same sectors as TaiSan that raised within 45 days of this round, from Fundz verified event records.
- eLong Power Holding Limited raised $6.6M (Post-IPO Equity) on July 13, 2026.
- Wallbox raised $13M (Post-IPO Equity) on July 2, 2026.
- Gaussion raised $28M (Funding Round) on June 29, 2026.
- VoltSeal raised $1.5M (Pre-Seed) on June 4, 2026.
- Apollo Atomics raised $31M (Seed) on August 20, 2026.
- Cosmos Lab raised $18M (Series A) on August 12, 2026.
Who to call at TaiSan, and when
A new round usually means TaiSan is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day TaiSan raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at TaiSan, from your own LinkedIn network
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TaiSan 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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