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
0
cheap to test: under $1,500 and 4 weeks
From other sectors that touch it
70 ideas. Ideas that belong to another sector but whose text clearly touches physical world.
Health and bio · Healthcare and bio
Bayworks
Licensed GMP manufacturing bays for personalized therapies, sold as bookable capacity.
Bayworks builds standardized, FDA-registered cleanroom modules inside hospital systems and partner CDMO sites, then runs a marketplace where drug sponsors book manufacturing slots by the batch instead of signing multi-year suite reservations.
Health and bio · Healthcare and bio
Kinware
The AI agent that runs the paperwork and logistics of caring for an aging parent.
Kinware is a subscription agent for adult children managing a parent's life: it books appointments, chases refills, requests records, files insurance paperwork, and schedules home services, reporting to the whole family in one thread.
AI and software · AI infra and compute
Swingbus
An agent that clears utility interconnection queues for new data center load.
Swingbus sells public power utilities and system operators an agent service that runs grid interconnection and load studies: it ingests the network model, runs power flow, stability and protection studies with learned surrogates instead of overnight solver batches, and produces the signed study package a regulator will accept.
Health and bio · Healthcare and bio
Wardlink
A plug-in gateway that puts every hospital device on one shared network.
Wardlink sells a retrofit gateway box that a hospital biomedical engineering team orders online and clips onto legacy equipment - infusion pumps, ventilators, imaging carts - to get live location, utilization and fault data with no IT project.
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.
Health and bio · Healthcare and bio
Lintel Health
A cleared home vitals appliance that third-party care apps run on.
Lintel sells a wall-mounted appliance for the homes of older adults that measures contactless respiration and heart rate, gait speed and cuffless blood pressure trend, and it ships as a regulated measurement layer rather than an app.
Health and bio · Healthcare and bio
Assaygrid
Predicts which lab runs will fail before reagents are consumed, across every instrument vendor.
Assaygrid connects to the instrument fleet of pharma, biotech and industrial R&D organizations, learns from run telemetry, reagent lots, operator steps and outcomes, and flags runs likely to fail plus the parameter change that fixes them.
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.
Fintech · Fintech
Axlemark
Plug-in driving score for small fleets that every carrier prices from.
Axlemark ships a plug-in telematics device to US small commercial fleets of three to fifty vehicles (contractors, HVAC, landscaping, last-mile) and turns their driving data into a portable risk score the fleet owner controls and can hand to any insurer at renewal.
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
Tollgate
A rack appliance that holds the spending keys for every AI agent an enterprise runs.
Tollgate is a hardware root of trust that sits in an enterprise's own data center or colo and signs every payment mandate an autonomous agent issues, enforcing per-agent limits, merchant allowlists and human approval thresholds in silicon rather than in a prompt.
B2B, security and compliance · B2B SaaS
Baseplate
The record network linking contractors, engineers, and state DOTs on federal-aid projects.
A network of record for federal-aid construction: contractors submit materials certifications, test results, submittals and inspection records once, and Baseplate routes them in each agency's required format to state DOTs and engineers of record, with AI pre-review trained on previously approved submittals.
Health and bio · Healthcare and bio
Vialport
AI agents that run the vendor paperwork between pharma R&D and outsourced labs.
Vialport gives pharma and large biotech R&D operations teams a fleet of AI agents that handle the non-clinical work between a sponsor and its outsourced labs: sourcing quotes from CROs and CDMOs, chasing certificates of analysis, reconciling sample shipments and invoices, and keeping study logistics current across email, ERP and ELN.
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 · 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.
AI and software · Developer tools
Redoubt
Pre-accredited software factory appliances for classified government development.
Redoubt sells rack-mounted appliances that put a complete accredited DevSecOps stack - build systems, CI/CD, artifact registry, coding agents - inside air-gapped classified networks.
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
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.
Health and bio · Healthcare and bio
Pulsefold
A $40 home panel clinics accept in place of a routine lab draw.
Pulsefold is a consumer countertop device with disposable cartridges that returns a cardiometabolic panel (lipids, HbA1c, kidney markers) in minutes at home, sold through pharmacy chains, employers and Medicare Advantage plans rather than direct.
AI and software · Vertical AI agents
Camscribe
A plug-in camera unit that writes GMP batch records so humans stop transcribing them.
Camscribe is a validated hardware unit that clamps onto a pharmaceutical or medical device production line, watches the operator steps and equipment displays, and produces the electronic batch record and deviation log that quality assurance staff currently type and double-check by hand.
Health and bio · Healthcare and bio
Kelvin Bench
A $18,000 benchtop robot that runs any wet-lab protocol written in plain English.
Kelvin Bench is a benchtop liquid-handling and imaging robot sold outright to small labs: a two-person biotech, a university group, a contract formulation shop.
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 · AI infra and compute
Gridshift
The marketplace where AI data centers sell their flexibility to the power grid.
Gridshift turns interruptible AI training load into a tradable grid product: data centers enroll clusters, Gridshift's ML forecasts and checkpoint-aware orchestration shift or shed training jobs on minutes of notice, and the flexibility is sold into wholesale electricity markets as demand response.
Health and bio · Healthcare and bio
Echofield
Any ultrasound probe, any small clinic, one shared interpretation and overread network.
Echofield sells small clinics worldwide a subscription that turns an existing or Echofield-supplied low-cost probe into a guided scanner: the software coaches an untrained operator through a standard sweep, produces a structured report from a multi-vendor ultrasound model, and routes anything uncertain to a credentialed reader inside the network.
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 · Agent infrastructure
Certloop
Accredited hardware-in-the-loop cloud that certifies agent policies before they touch real machines.
Certloop builds racks of real PLCs, drives, sensors, and robot actuators wired into a cloud API; enterprise robotics and industrial teams upload agent policies and run them against physical hardware and vendor-published digital twins before deployment.
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 · 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 · 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.
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 · Commerce and marketplaces
DutyRail
Landed-cost and customs-entry API that 3PLs and ERPs resell to small importers.
DutyRail is an API that takes a purchase order or a product feed and returns an HS classification, duty and tariff-schedule exposure, a landed cost, and a filed customs entry through its own licensed broker desk.
Consumer and commerce · Commerce and marketplaces
Switchyard
Marketplace for long-lead datacenter power gear, graded by ML from electrical test data.
Switchyard is a marketplace where operators, EPCs and refurbishers trade transformers, switchgear, breakers and chillers with multi-year lead times, including surplus and decommissioned units.
Health and bio · Healthcare and bio
Titerworks
A shared process model for biologics manufacturing, trained on runs nobody publishes.
Titerworks runs its own farm of several hundred parallel micro-bioreactors and analytics robots, and uses it to train models that predict titer, aggregation and impurity profiles for a new molecule before a pharma company books a pilot suite.
Health and bio · Healthcare and bio
Cytebench
A cGMP cell therapy production pod inside community oncology clinics, with an open protocol API.
Cytebench builds a closed, room-temperature benchtop system that manufactures autologous cell therapy doses at the point of care, and exposes the run as an API so therapy developers can publish validated protocols onto it.
Fintech · Fintech
Perilex
An exchange where machine-priced corporate risk is listed and capital bids.
Perilex is a listing venue for idiosyncratic corporate risk that traditional carriers price badly: fleet and telematics-driven liability, compute and outage exposure, model-failure liability.
Health and bio · Healthcare and bio
Astrid
Monthly at-home blood cartridge that learns your baseline, not the population's.
Astrid ships a reusable reader and a monthly single-use microsampling cartridge that runs a panel of metabolic, inflammatory and hormonal markers from a few drops of blood at home, then charges a consumer subscription for the software that tracks how far each result has drifted from that person's own history and from matched members of the same age, sex and physiology.
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.
B2B, security and compliance · B2B SaaS
Stakeline
Sensor rigs on highway job sites that turn as-built reality into automated pay applications.
Stakeline mounts its own lidar and camera masts plus a mobile capture unit on active heavy-civil job sites, reconstructs daily as-built geometry, and matches it to the contract bid items so quantities, progress and rework are computed instead of surveyed and argued.
Fintech · Fintech
Marginframe
A colocated appliance that nets margin across prediction, perp and equity venues in microseconds.
Marginframe sells a 1U FPGA appliance plus support contract to brokers and venues that carry positions on more than one execution venue.
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
Ironfold
A plug-in appliance that runs AI agents inside regulated enterprises at a tenth the cost.
Ironfold builds a rack appliance that hospitals, insurers and banks order online, plug into their network, and use to run vertical AI agents on premises, with audit logs and patient or financial data never leaving the building.
B2B, security and compliance · B2B SaaS
Partspec
Marketplace for industrial parts sold with measured, machine-readable qualification data.
Partspec runs its own metrology and test labs that tear down, scan and stress components (fasteners, castings, power electronics, sensors) and publishes the results as a structured qualification record attached to every listing.
AI and software · Developer tools
Mendrix
Autonomous agents that take over maintaining your legacy systems.
Mendrix builds an agent fleet that assumes responsibility for maintaining aging enterprise codebases - old Java, COBOL adjacents, brittle internal systems - fixing incidents, patching vulnerabilities and keeping dependencies current under an SLA, priced per system.
AI and software · Vertical AI agents
Permitrun
Machine-run permitting and interconnection review for the agencies that hold up infrastructure.
Permitrun is a subscription system of record for public bodies that review infrastructure: state environmental agencies, utility commissions and grid operators running interconnection studies and NEPA-style reviews.
AI and software · Vertical AI agents
Nodewright
Automated grid interconnection review for utilities and state regulators, built on learned power-flow models.
Nodewright is subscription software for municipal utilities, co-ops and state public utility commissions that runs the interconnection studies now done by hand: it ingests the applicant's design, builds a validated model of the local feeder, and produces the impact study, curtailment conditions and hosting-capacity findings as a signed, auditable work product.
Fintech · Fintech
Underwatt
Underwriting software that prices AI data center risk from live power and thermal telemetry.
Underwatt sells a subscription platform to carriers, MGAs and reinsurers that prices property, business-interruption and outage risk on GPU data centers using a telemetry fleet Underwatt installs itself: power quality recorders, thermal and coolant sensors, and grid interconnect feeds at the insured sites.
Fintech · Fintech
Yieldcore
The marketplace where GPU fleets become a financeable asset class.
Yieldcore is a financing marketplace that lets small AI clouds and GPU operators borrow against their hardware and contracted compute revenue, matched with private credit funds that price risk off Yieldcore's live fleet telemetry.
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.
Fintech · Fintech
Sigilbox
Rack appliance that hardware-signs every payment an AI agent tries to make.
Sigilbox is a co-signing appliance installed in the datacenter of any company running AI agents that spend money: each agent payment instruction must be signed by keys held in the box, which applies spend policy and an on-device behavioural model before emitting a portable attestation.
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 · Vertical AI agents
Homelatch
A home entry and diagnostics hub that lets any repair company's AI dispatcher work your house.
Homelatch sells homeowners a $229 door hub with a camera, a credential reader and a listening module that records appliance and HVAC sound signatures, plus a $9 monthly subscription.
Fintech · Fintech
Keyfort
Custody hardware nodes that cut key management costs 10x and settle instantly.
Keyfort sells a rack-mount signing node built from commodity secure elements that holds threshold key shares for institutional digital asset and stablecoin custody at roughly a tenth of the cost of a legacy hardware security module deployment.
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.
Consumer and commerce · Commerce and marketplaces
Lotwork
Graded pallet-level surplus marketplace with an open API resellers build their tools on.
Lotwork is a self-serve marketplace where brands and distributors list surplus, overstock and returned goods by pallet, and small retailers, discounters and online resellers buy them.
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.
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.
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.
B2B, security and compliance · B2B SaaS
Shelfgrid
RFID shelf kits that link independent retailers and small brands into one live inventory network.
Shelfgrid sells a sub-$500 RFID reader kit plus cheap tags to independent retailers and the small consumer brands that stock them.
B2B, security and compliance · B2B SaaS
Halostrip
Passive sensor tags that survive salt, steel and concrete, with an open reader API.
Halostrip makes a printed passive tag and reader pair that keeps working where RFID normally fails: submerged in brine, bonded to metal, and cast into concrete.
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 · 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.
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
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 · Commerce and marketplaces
Revern
An API-first network of robotic facilities that processes retail returns for a tenth of the cost.
Revern gives enterprise retailers a self-serve API: send a returned item to the nearest Revern hub, where computer vision and robotic handling inspect, grade, re-box and route it to restock, recommerce or recycling, priced per item.
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.
AI and software · Horizontal AI assistants
Vouchwork
The certified marketplace where enterprises hire audited, insured AI agents.
Vouchwork runs a two-sided marketplace where enterprises procure third-party AI agents the way they procure contractors: every listed agent has passed Vouchwork's audit battery, carries performance insurance underwritten through Vouchwork's carrier program, and bills through a single compliant contract.
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.