Longbow Capital
Venture capitalCalgary · Growth · 23 people tracked
Investment thesis
Longbow invests in ambitious companies transforming how energy is produced and consumed, aiming to bring energy to the world in the most efficient, cost-effective, and environmentally responsible way. Drawing on decades of energy investing experience and a global network of relationships, the firm identifies, evaluates, and grows businesses across the energy sector. It is currently deploying capital through the Longbow Energy Transition Fund, which targets businesses positioned to benefit from the ongoing energy transition.
Source: firm website, verified Aug 11, 2026.
Team · 23 people
from the firm's website
What they invest in
from 15 of 17 portfolio companiesEnergy ×14Cleantech ×10Hardware ×6Advanced Manufacturing ×2AI & Machine Learning ×2Climate Tech ×2New Materials ×2Circular Economy ×1
HQs:Canada×4United States×4
Investments · 17 tracked
founders shown can be your intro pathAir Drilling Associates provides managed pressure, underbalanced, and air/foam/aerated fluids drilling services to the petroleum and geothermal energy industries.
CleantechEnergyFarmington, US
Chaman Malhotra(Co-founder (former CEO of Air Drilling Services))Tom Ramsay(Co-founder (former CEO of Canadian division of ADS))Don Wells(Co-founder (former operations manager of ADS))
Amped Up Power Solutions provides mobile, electric power generation and distribution equipment—using on-pad natural gas (CNG) or on-site utility power—as a cleaner alternative to diesel machinery for drilling, completions, drill outs, and workover operations in the oil and gas industry.
CleantechEnergyHardware
Arcobi (formerly Arcus Power) offers an AI/ML platform combining 25+ years of North American power market data with forecasts for price, demand, peak timing, and grid conditions, plus automated asset dispatch and compliance tools.
AI & Machine LearningCleantechEnergy
Aureus Energy provides integrated water midstream services for the Permian Basin, including water sourcing, recycling, on-the-fly disinfection, water transfer, and H2S removal.
CleantechEnergySouthlake, US
Clir AI automates portfolio reporting, benchmarking, and reforecasting for renewable energy assets across solar, wind, and battery storage, giving asset managers and investment managers a comparable view of portfolio performance.
AI & Machine LearningCleantechEnergy
Lithion is a full-stack battery manufacturer that produces off-the-shelf and custom lithium-ion power systems, ranging from 12V to 1500V, along with battery packs, cells, and energy storage systems.
Advanced ManufacturingEnergyHardware
MaxFlow provides saltwater disposal well (SWD) services and chemical treatments for oil and gas operators, focused on reducing solids, improving oil recovery, and addressing scale, bacteria, corrosion, and paraffin issues.
EnergyNew Materials
Mission Environmental Services Group is a recycling and waste services company that acquires and operates solid, liquid, and construction waste businesses across Western Canada and the Pacific Northwest U.S.
Circular EconomyCleantechClimate Tech
Moore Pipe (MPI) supplies new and used API-certified oilfield tubular products, including J.55 and L.80 tubing, couplings, pup joints, and swedges, along with reconditioned tubing, tubular lining, and tubing inspection services.
Advanced ManufacturingEnergyHardware
A refining company that processes bitumen into higher-value finished products while reducing the CO2 content of its output to meet local demand and reach world markets through existing infrastructure.
CleantechEnergyNew Materials
Provider of industrial-grade natural gas and propane generators via rental, lease, sale, and service, offering turnkey electric power generation and distribution for the energy, mining, and construction sectors.
Remote Power rents, leases, and sells industrial natural gas, propane, and diesel generators for temporary and prime power applications, along with mobilization, installation, commissioning, and maintenance services.
EnergyHardwareIoT
United Pacific Projects (UPP) provides pipeline inline inspection (ILI) services using smart pigging technology, offering a configurable inspection tool that captures MFL, IMU, and caliper data.
Data & InfrastructureEnergyHardware
Frequently asked questions
- What stage does Longbow Capital invest at?
- Longbow Capital invests at the Growth stage.
- What sectors does Longbow Capital focus on?
- Longbow Capital focuses on Cleantech, Climate Tech, Energy.
- Where is Longbow Capital located?
- Longbow Capital is headquartered in Calgary, CA.
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