New startup ideas · Physical world
category
Physical world startup ideas
Robotics, hardware, defense and space, climate and energy, manufacturing and logistics.
118
ideas listed here
48
in this sector
70
from other sectors that touch it
47
venture-grade
55
cheap to test: under $1,500 and 4 weeks
Cheap to test
55 ideas. Ideas whose test block fits in $1,500 and 4 weeks: the ones a small team can settle before the next month is out.
Physical world · Robotics and physical world
Aliquot Robotics
A benchtop robotic bench for independent labs, with validated protocol packs anyone can publish.
Aliquot sells a single enclosed benchtop cell with a force-controlled arm, vision and a pipetting head to independent clinical, toxicology, water and food-safety labs that run tens of thousands of samples a year and cannot afford a six-figure automation line.
Physical world · Robotics and physical world
Sortie
Airspace clearance and audit-grade flight records as one API for drone operators.
Sortie is an API that small drone operators and the software vendors serving them call to get a flight authorized, logged and provable: airspace and waiver checks, operator and aircraft credential validation, geofence rules per jurisdiction, and a tamper-evident flight record that insurers and regulators accept.
Physical world · Climate and energy
Kilobid
Licensed AI agent that bids your home battery, EV and thermostat into wholesale power markets.
Kilobid is a consumer app that links a household's utility account, battery, EV charger and thermostat through existing APIs, then runs an agent that decides hour by hour when to charge, hold or discharge and submits those decisions into wholesale and utility program markets.
Physical world · Robotics and physical world
Voltstack
A plug-in home battery that installs itself and joins the grid programs for you.
Voltstack is a 5kWh stackable home battery that plugs into a normal socket, needs no electrician, and handles its own grid paperwork: the unit detects its country and utility from meter signals, files the interconnection or notification form, and enrols the household in whatever demand-response or feed-in scheme it qualifies for.
Physical world · Climate and energy
GridStake
The marketplace where grid interconnection rights are priced, traded, and transferred.
GridStake is a US marketplace where data center developers, renewable developers, and industrial buyers purchase interconnection queue positions and grid capacity rights from projects that will never build.
Physical world · Robotics and physical world
Certline
An API that collapses hardware compliance from a consulting project to a build step.
Certline is an API and toolchain that takes a hardware company's CAD, BOM, and electronics design and generates the risk assessments, test plans, and technical documentation required for CE, FCC, and UL certification, then routes the physical testing through a network of accredited partner labs.
Physical world · Defense and space
Qualforge
Self-serve qualification for small machine shops entering the defense supply chain.
Qualforge is a subscription tool where a small shop uploads a part and a process sheet and gets a priced, scheduled path to first-article approval, backed by Qualforge's own metrology, coupon testing and materials labs.
Physical world · Robotics and physical world
Skillnest
A subscription skill layer that teaches any home robot your house, learned from every other house.
Skillnest is a consumer subscription that rides on top of home robots sold by other manufacturers: the household demonstrates a chore once by phone or by guiding the arm, and Skillnest turns that demonstration into a policy that runs on their machine and, once anonymised and verified, on everyone else's.
Physical world · Climate and energy
Ballast Compute
GPU capacity API that runs on curtailed and behind-the-meter power worldwide.
Ballast deploys containerised GPU pods with onboard batteries at sites with power that cannot reach the grid: curtailed wind and solar farms, flared gas, oversized industrial connections.
Physical world · Defense and space
Northfix
A cheap chip-scale inertial module that keeps consumer devices located when GPS is gone.
Northfix builds a photonic-MEMS inertial measurement unit and fusion stack that holds metre-level position for hours without satellite signal, at a target module cost around $30 against the several hundred dollars a tactical-grade unit costs today.
Physical world · Defense and space
Millrun
Marketplace for precision aerospace parts, quoted instantly from real machine shop capacity.
Millrun is a marketplace where hardware teams upload a CAD file and get a firm price and date within minutes, sourced from a vetted network of CNC, sheet metal and composite shops with idle capacity.
Physical world · Climate and energy
Ampyard
A subscription that bids your home battery into wholesale power markets, in any country.
Consumers pay a flat monthly fee for software that takes control of whatever battery, heat pump, EV charger or hybrid inverter they already own and trades that flexibility in the local wholesale and balancing markets, keeping the earnings for the household.
Physical world · Defense and space
Coreframe
The standard American flight core that every non-Chinese drone builds on.
Coreframe designs and sells a standardized, US-made drone core module - flight compute, radios, power management, and a published payload interface - to enterprise drone manufacturers and payload makers.
Physical world · Climate and energy
Emberline
Wildfire home hardening marketplace whose verified certificates convert into insurance rate credits.
A homeowner in a fire-prone county enters an address, gets a parcel-level risk report and a fixed-price scope for defensible space and structure hardening, and receives bids from vetted local contractors on the platform.
Physical world · Robotics and physical world
Fixloop
A subscription AI agent that runs all maintenance and repairs for your house.
Fixloop is a consumer AI agent that homeowners hire for about $30 a month to keep their house working: it ingests photos and camera feeds to spot damage early, diagnoses the issue, collects quotes, books and negotiates with local tradespeople, and verifies completed work from photos.
Physical world · Climate and energy
Wattbid
The marketplace where small businesses sell their flexible power to the grid.
Wattbid enrolls the HVAC systems, EV chargers, and batteries of restaurants, gyms, and retail shops through the electrical and HVAC contractors who already service them, then auctions that aggregated flexibility to utilities and grid operators hungry for peak capacity.
Physical world · Climate and energy
Cellyard
Graded second-life battery packs with warranties, sold to small installers and site owners.
Cellyard runs regional depots that take retired EV and fleet packs, run a short partial-cycle test, and use an ML state-of-health model to grade each pack into a published tier with a warranted capacity and cycle life.
Physical world · Defense and space
Nightglass
Subscription collision warnings for small satellite operators, from our own global sensor grid.
Nightglass builds and operates a worldwide grid of optical and passive RF sensor sites and sells the output as a per-satellite monthly subscription to small operators: custody tracking, orbit determination, conjunction warnings and maneuver screening in one console.
Physical world · Climate and energy
Tariffwire
One API that turns every US utility tariff into hourly marginal cost per meter.
Tariffwire ingests utility tariff sheets, riders, demand charges, time-of-use calendars and interconnection rules from public PUC filings and returns, for any US service address, the hourly cost of the next kilowatt-hour and the cost of adding load.
Physical world · Robotics and physical world
Dutycycle
Metering, billing and SLA API for companies selling robots by the unit of work.
Dutycycle is an API that robot vendors call to turn machine telemetry into money: it meters completed work units (picks, square meters, inspection hours), applies the contract's rate card and uptime credits, issues the invoice, and exposes a signed utilization record their customers and lenders can audit.
Physical world · Climate and energy
Wattfolio
The autopilot subscription that runs every electric device in the home.
Wattfolio is a consumer subscription that takes control of heat pumps, EV chargers, solar inverters, and home batteries and runs them against dynamic electricity prices using learned thermal models of each house and ML price forecasts.
Physical world · Robotics and physical world
Deckhand
AI agents that operate the software running factories, warehouses and yards.
Deckhand deploys AI agents that sit on top of the systems a plant or warehouse already runs (WMS, MES, ERP, ticketing, robot fleet consoles) and do the operator work between them: reconciling inventory exceptions, reassigning tasks when a line stops, chasing a stalled robot's ticket, closing the shift report.
Physical world · Climate and energy
Neutrix
Regulatory-grade nuclear simulation, delivered as cloud software reactor engineers sign up for.
Neutrix builds a cloud platform of neutronics and thermal-hydraulics codes, accelerated by ML surrogates and qualified under the NQA-1 regime, that compact reactor developers and utilities use to produce license-ready safety analysis.
Physical world · Defense and space
Airlane
The global API where drone operators buy access to low-altitude airspace.
Airlane is a transaction API and no-code integration layer that lets small drone service businesses - inspection, agriculture, delivery - request, book, and pay for flight corridors over private sites, ports, and event venues worldwide.
Physical world · Climate and energy
Elastherm
A solid-state heat pump with no refrigerant that any electrician can install.
Elastherm builds a home heat pump around solid-state elastocaloric cores instead of compressed refrigerant, so installation needs no certified refrigerant handler, no lineset, and no permit-heavy outdoor unit.
B2B, security and compliance · Security and compliance
Ironhull
Compliant-by-construction cloud: inherit certification instead of earning it.
Ironhull runs its own hardened infrastructure - dedicated enclaves, HSMs, locked-down images, continuous monitoring - certified once against FedRAMP, SOC 2, and PCI, and sells it as a subscription on which enterprise software vendors deploy and inherit the compliance posture.
Health and bio · Healthcare and bio
Kinfold
An AI agent that runs the logistics of caring for an aging parent.
Kinfold is a consumer agent that families hire for about $20 a month to handle the non-clinical work around an older relative: booking and rebooking appointments, sitting on hold with insurers and pharmacies, chasing records between providers, ordering refills and equipment, filing benefit paperwork, and keeping siblings on one shared timeline.
AI and software · AI infra and compute
Auralith
Over-the-counter hearing wearable with a speech model burned into custom silicon.
Auralith sells a consumer ear-worn device whose noise separation and speech reconstruction model is hardcoded into a low-power ASIC, so a full conversational model runs for a day on a coin-cell class battery with no phone and no cloud.
B2B, security and compliance · Security and compliance
Personaproof
A licensed proof-of-human agent that vouches for you online without exposing your identity.
Consumers enroll once through a partner bank branch, carrier store or notary, where a hardware-attested biometric capture binds them to a single personhood credential held in Personaproof's own HSM estate.
Fintech · Fintech
Zerotill
A countertop terminal that drops card acceptance fees from 3 percent to 0.3.
A payment terminal for US small merchants that accepts pay-by-bank and stablecoin payments alongside cards, routing every transaction to the cheapest rail and cutting acceptance cost roughly 10x on non-card volume.
AI and software · Agent infrastructure
Opsbox
A countertop appliance that gives every small business a local AI staff member.
Opsbox sells a small appliance that plugs into an SMB's phone line, cameras, and point of sale, and runs agents locally: it answers every call, takes orders and bookings, flags shrink and stockouts from the camera feeds, and files the day's numbers.
Health and bio · Healthcare and bio
Kithring
A home fall sensor that wakes the nearest trained neighbour, not a call centre.
Kithring sells an older adult a small radar and audio sensor for the hallway and bathroom, ordered online for a flat price with a monthly subscription, that detects falls and long inactivity without cameras or a worn button.
B2B, security and compliance · B2B SaaS
Carepuck
A $99 puck that watches a parent's home, with an app store for care.
Carepuck is a plug-in device with millimeter-wave motion sensing and on-device audio that adult children buy online and mail to a parent living alone; it learns the household routine and texts the family when something breaks the pattern, with no cameras and no medical claims.
AI and software · AI infra and compute
Backline
Voice and back-office agents for small businesses, running on our own inference fleet.
Backline answers the phone, books jobs, chases invoices and updates the booking system for plumbers, clinics, garages and salons, billed per handled call with no software for the owner to configure.
AI and software · AI infra and compute
Innervox
A neural wristband that turns silent speech into text for AI assistants.
Innervox builds a consumer wearable that reads surface EMG signals from subvocalized speech, letting people talk to AI assistants silently at conversational speed - in meetings, open offices, or public spaces.
AI and software · AI infra and compute
Wattlot
Small businesses with spare power host inference pods; we hold the permits.
Wattlot is a marketplace where small industrial businesses with unused electrical service and yard space, machine shops, grain handlers, cold stores, rural ISPs, host containerized inference pods and get paid for delivered compute hours.
AI and software · Vertical AI agents
Sonograde
A $99 car sensor that hears mechanical failure coming, trained on millions of vehicles worldwide.
Sonograde is a clip-in vibration and acoustic sensor plus OBD tap that consumers buy online anywhere in the world and install in two minutes.
B2B, security and compliance · B2B SaaS
Bayline
A drive-through scan arch that gives independent repair shops a shared vehicle history.
Bayline sells independent auto and truck shops a camera and sensor arch mounted at the bay entrance, paired with an OBD reader, that records tyre, glass, body, brake and fault-code condition in the twelve seconds a vehicle takes to roll in.
Consumer and commerce · Consumer
Fibrena
Certified microplastic-free fiber materials for hygiene and food-contact products.
Fibrena engineers bio-based nanocellulose materials that replace plastic films and absorbents in hygiene products and food packaging, and sells them to consumer-goods enterprises as drop-in inputs.
Health and bio · Healthcare and bio
Chainvial
A cheap sensor tag and shared custody ledger for every biological sample in transit.
Chainvial sells a thin, disposable temperature-and-shock tag that goes inside sample and reagent shipments, plus a free reader app, and writes each handoff to a custody record both the sender and the receiver can see.
Consumer and commerce · Consumer
Scanmark
A scanner and shared registry that fingerprints physical collectibles, one scan at a time.
Scanmark sells a countertop optical scanner that captures the microscopic surface grain of a card, coin or sealed pack and writes an unforgeable fingerprint into a shared registry, so the same physical item can be re-identified anywhere later.
Consumer and commerce · Commerce and marketplaces
Ampyard
The stocked marketplace for the power equipment behind the datacenter buildout.
Ampyard is a US marketplace for transformers, switchgear, generators and other electrical infrastructure, aimed at small electrical contractors, EV-charging installers and small datacenter operators who cannot get manufacturer allocation.
AI and software · Vertical AI agents
Meterbox
A $129 clamp that lets any repair company's AI agent hear your appliances failing.
Meterbox is a consumer-installed sensing device at the home electrical panel that reads current signatures per circuit and identifies which appliance is degrading, from a compressor drawing wrong to a dryer element cycling short.
AI and software · Developer tools
Miniplex
The cloud built for a billion small apps.
Miniplex is purpose-built cloud infrastructure for agent-generated software: sub-second cold-start microVMs, per-app metering in fractions of a cent, and a deploy API that coding agents and app builders call directly.
Consumer and commerce · Consumer
Somacore
The FDA-cleared sensing module every wearable brand builds on.
Somacore designs a fingernail-sized multi-sensor module - optical, bioimpedance, temperature - with on-device ML, and takes the core measurements (heart rhythm, blood-pressure trend) through FDA clearance once so its customers never have to.
AI and software · AI infra and compute
Hearthware
A home AI appliance that pays for itself by selling idle compute.
Hearthware sells a plug-in home inference box that runs private assistants and open models locally for households, then rents its idle cycles into a coordinated mesh serving third-party inference demand.
AI and software · Data for AI
Anvilnet
Capture appliances on factory lines, sold back as an industrial process API.
Anvilnet ships a rugged capture appliance that automation integrators bolt onto existing production and packing lines, tapping machine buses and fixed cameras.
Health and bio · Healthcare and bio
Halomark
A wearable that reads hormones continuously, the way CGMs read glucose.
Halomark builds a subcutaneous aptamer-based sensor and patch reader that tracks cortisol, thyroid and reproductive hormones continuously instead of at single blood-draw timepoints.
AI and software · Vertical AI agents
Odomate
A plug-in device that is your car's mechanic, negotiator, and fair-price network.
Odomate is an OBD-II device with a microphone and vibration sensor that any car owner installs in minutes.
Consumer and commerce · Consumer
Agewall
Age and safety inference as an API for consumer AI apps.
Agewall gives consumer app and game developers one API plus an on-device runtime that estimates a user's age band from voice, typing and interaction signals, then enforces per-jurisdiction rules on chat, spend and generated content.
Consumer and commerce · Commerce and marketplaces
Millrun
A marketplace that prices custom manufactured parts from CAD in seconds.
Enterprise hardware teams upload CAD files and get firm, guaranteed quotes in seconds from geometry models trained on part-price-outcome data, with jobs routed to idle capacity at US machine shops.
B2B, security and compliance · B2B SaaS
Tallyport
A $250 ceiling gateway that counts every item in a small warehouse continuously.
Tallyport sells a plug-in RFID and vision gateway to small distributors, auto shops, and independent retailers, plus tag rolls and a per-site monthly plan.
Consumer and commerce · Commerce and marketplaces
Cartpool
Consumers pool orders to buy factory-direct at importer prices.
A US consumer marketplace where shoppers join live buying pools for a single SKU - furniture, fitness gear, lighting - and when the pool hits the factory's minimum, the order ships direct from the manufacturer at 40-60% below retail.
Consumer and commerce · Consumer
Wildframe
A subscription social world where friends generate and inhabit persistent AI game worlds.
Wildframe is a consumer subscription: pay monthly, and you and your friends describe worlds that render into persistent, playable multiplayer games in seconds.
B2B, security and compliance · B2B SaaS
Tagfabric
One-cent batteryless tags and cheap readers that make every object countable.
Custom backscatter silicon and a $200 reader that bring item-level tracking to businesses that could never justify RFID: a hardware store, a hatchery, a small distributor.