Counteract
Venture capitalLondon · Pre-Seed–Series A
What they invest in
from 10 of 10 portfolio companiesClimate Tech ×9Cleantech ×8New Materials ×7Deep Tech ×3AgTech ×2Circular Economy ×2Construction Tech ×2Advanced Manufacturing ×1
HQs:United Kingdom×3United States×2Australia×1Germany×1
Investments · 10 tracked
founders shown can be your intro pathBy year:2026 · 12025 · 12024 · 32023 · 27 dated
InterEarth is a climate change mitigation technology company that sequesters atmospheric CO2 using a proprietary "Dry Stack" technology to preserve woody biomass in inert conditions for over 100 years.
AgTechCleantechClimate TechDeep TechPerth, AU
Dr Howard Carr(CEO and Founder)Peter Metcalfe(Chief Operating Officer)
Co-investorsCounteract OneFundWA
Alithic develops direct air capture technology that converts captured CO₂ into a cement replacement product, addressing climate change and reducing emissions in the cement industry.
CleantechClimate TechEnergyNew MaterialsOxford, GB
Dr Pete ArmstrongRob Anex(Professor)inBu Wang(Professor)in
Co-investorsClean Energy Ventures
Adaptavate develops bio-based, drop-in building materials designed to reduce or remove CO₂ emissions in construction, including Breathaboard (a wallboard alternative) and Breathaplasta (lime-based plasters).
Climate TechConstruction TechNew Materials
Thomas Robinson(Founder & CEO)
Co-investorsOne Planet CapitalPerivoli InnovationsLow Carbon Innovation Fund
Alithic develops carbon-negative sustainable concrete materials for the construction industry using chemistry research from the University of Wisconsin-Madison.
CleantechClimate TechConstruction TechNew MaterialsMadison, US
Co-investorsKiko VenturesCounteract One
Carbon Cell is a team of designers, engineers, and scientists developing sustainable materials aimed at reducing plastic use and carbon emissions.
Circular EconomyCleantechClimate TechDeep TechNew Materials
Elizabeth Lee(CEO)inEden Harrison(COO)inOri Blich(CPO)in
Co-investorsOne Planet CapitalGreen Angel VenturesHERmesa
Concrete4Change develops carbon capture and utilization technology that converts industrial CO₂ and calcium-rich materials into advanced performance minerals for use in cement, lime, and chemical production.
Circular EconomyCleantechClimate TechNew MaterialsUK-based, GB
Prof. Sid Pourfalah
Co-investorsCemex VenturesHolcim MAQER VenturesZacua VenturesSDGx
Magrathea develops a new electrolytic process to produce magnesium metal from seawater and brines, aiming to establish American and Western supply of this defense-critical material currently dominated by China.
Advanced ManufacturingCleantechDefense TechNew MaterialsArkansas, US
Alexander Grant(CEO)
Co-investorsAvilaCompoundHyperguapJuniperNecessary VenturesVoLo Earth Ventures+3 more
.jpeg){kind=logo}
Phlair develops direct air capture (DAC) technology built around its Hydrolyzer process for energy-efficient generation of acid and base, designed to be compatible with intermittent renewable solar power.
CleantechClimate TechDeep Tech
PaulSteffenMalte Feucht(Founder)in
Co-investorsPlanet A VenturesAtlantic LabsExtantia CapitalVerve Ventures
.jpeg){kind=logo}
Seqana provides satellite-based measurement of soil organic carbon (SOC) sequestration using scientific approaches for agrifood companies, with a focus on monitoring and reporting soil health across supply chains globally.
AgTechClimate Tech
Jakob Levin(Founder)inJulian Kremers(Founder)in
Co-investorsCounteract OnePymwymicHTGF
Vateris (formerly Concrete4Change) is a UK-based advanced materials technology company whose proprietary process converts industrial flue gas CO₂ into GypCarb, a vaterite-based mineral additive for cement and concrete, while co-producing high-purity SOP mineral fertiliser.
CleantechClimate TechNew Materials
Sid Pourfalah(Co-founder (Professor))inDalraj Nijjar(Co-founder)in
Co-investorsHolcim MAQER VenturesZacua VenturesCounteract OneSustainable Ventures
Portfolio news
latest coverage across their companies
Concrete4Change · cemnet.com · Sep 10, 2026
Vateris · cp.catapult.org.uk · Jul 2, 2026
Seqana · finsmes.com · Jun 29, 2026
Magrathea Metals · nasdaqprivatemarket.com · Mar 22, 2026
Carbon Cell · carbonherald.com · May 16, 2025
Adaptavate · finance.yahoo.com · Apr 24, 2025
Alithic · engineering.wisc.edu · Apr 14, 2025
Frequently asked questions
- What stage does Counteract invest at?
- Counteract invests at the Pre-Seed, Seed, Series A stages.
- What sectors does Counteract focus on?
- Counteract focuses on Advanced Manufacturing, AgTech, Cleantech.
- Where is Counteract located?
- Counteract is headquartered in London, GB.
Similar investors
Khosla Ventures is a venture capital firm founded by Vinod Khosla.
Prelude Ventures is a venture capital firm founded in 2009 that invests in and supports entrepreneurs building climate-focused businesses to accelerate the transition to a low-carbon economy.
SOSV is a deep tech venture capital firm that makes first-check pre-seed investments and follow-on rounds in startups focused on human and planetary health, providing lab space and hands-on support at its US locations.
Giant Ventures is a venture capital firm investing in technology that transforms civilization's foundational systems across sectors including AI, energy, materials, industry, work, finance, biology and healthcare.
MoreVC is an established Israeli venture capital firm that has partnered with over 40 companies as an experienced investment team.