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

Venture-grade

47 ideas. Ideas the venture judge scored 4 or 5, from this category and the sectors touching it.

Physical world · Climate and energy

Milepost

AI agents that draft and check federal environmental reviews.

Milepost sells AI agents to US federal and state agencies that assemble NEPA-class environmental review documents: they pull prior assessments, draft the analysis, flag inconsistencies with case law and agency guidance, and track comment responses.

Score 88Warm competitionVC 4/5AI agent as a serviceGovernment and public sector

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.

Score 88Warm competitionVC 4/5AI agent as a serviceConsumer96% of 4 neighbours alive

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.

Score 83Warm competitionVC 4/5Infrastructure and APIsSmall business96% of 3 neighbours alive

Physical world · Robotics and physical world

Dexchange

The certified marketplace where enterprises buy validated robot skills from independent developers.

Dexchange is a marketplace where enterprises running mixed robot fleets buy task policies - machine tending, weld inspection, palletizing - built by independent skill developers.

Score 83Warm competitionVC 4/5MarketplaceEnterprise96% of 4 neighbours alive

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.

Score 81Warm competitionVC 5/5MarketplaceEnterprise95% of 3 neighbours alive

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.

Score 80Warm competitionVC 4/5HardwareConsumer68% of 4 neighbours alive

Physical world · Robotics and physical world

Tactura

Tactile skin modules that give any industrial robot a sense of touch.

Tactura makes force-sensing skin panels and fingertip modules that bolt onto existing industrial arms and grippers, sold as catalog components with a dev kit ordered online and volume pricing after.

Score 79Active competitionVC 4/5HardwareEnterprise96% of 4 neighbours alive

Physical world · Defense and space

Quartermast

The certified module marketplace where defense program offices buy interoperable drone components.

Quartermast runs a US government-facing marketplace of pre-verified drone and counter-UAS modules - autonomy stacks, seekers, radios, effectors - each listed with test evidence generated in Quartermast's own ML-driven digital-twin harness.

Score 79Warm competitionVC 4/5MarketplaceGovernment and public sector98% of 4 neighbours alive

Physical world · Robotics and physical world

Partprint

A shared physics fingerprint for every machined part, so factories stop destroying samples to trust them.

Partprint retrofits cheap acoustic, thermal and spindle-current sensors onto CNC machines, presses and furnaces, and turns each part's production signature into a predicted mechanical property card.

Score 77Crowded competitionVC 5/5Software subscriptionEnterprise96% of 4 neighbours alive

Physical world · Robotics and physical world

Crewbay

The marketplace where small businesses hire certified robot crews by the job.

Crewbay is a global marketplace where small businesses - warehouses, farms, cleaning contractors, facility owners - book robot work crews from local operators the way they book equipment rental today.

Score 75Warm competitionVC 4/5MarketplaceSmall business96% of 3 neighbours alive

Physical world · Climate and energy

Ampsite

Marketplace where industrial sites sell spare grid capacity to data center developers.

Ampsite lists industrial and brownfield sites in the US that already hold energized interconnection capacity they no longer use, scores each one for real deliverable megawatts using utility queue data, feeder models and on-site meter history, and matches them to colocation and AI compute developers hunting for power.

Score 72Crowded competitionVC 5/5MarketplaceEnterprise96% of 4 neighbours alive

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.

Score 72Warm competitionVC 4/5Infrastructure and APIsEnterprise96% of 4 neighbours alive

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.

Score 70Active competitionVC 4/5Software subscriptionConsumer96% of 3 neighbours alive

Physical world · Climate and energy

Kilowise

Spend management for electricity - FinOps for every meter an enterprise owns.

Kilowise is self-serve SaaS that ingests utility bills, interval meter data, and tariff structures for every site a global enterprise operates, then finds billing errors, picks better tariffs, and forecasts power spend and carbon per facility.

Score 68Active competitionVC 4/5Software subscriptionEnterprise95% of 3 neighbours alive

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.

Score 68Active competitionVC 4/5MarketplaceEnterprise97% of 3 neighbours alive

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.

Score 67Crowded competitionVC 4/5HardwareEnterprise98% of 4 neighbours alive

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.

Score 67Active competitionVC 4/5MarketplaceSmall business93% of 1 neighbours alive

Physical world · Climate and energy

Gridpad

Pre-permitted containerized power blocks that cut bridge power cost for data centers tenfold.

Gridpad manufactures standardized 2 to 5 MW containerized power blocks that combine battery strings, inverters and a grid-parallel controller, and ships each unit with the emissions permit and type certification already cleared for its site class in the jurisdictions Gridpad has pre-qualified.

Score 60Crowded competitionVC 4/5HardwareEnterprise95% of 3 neighbours alive

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.

Score 97Warm competitionVC 5/5MarketplaceEnterprise96% of 3 neighbours alive

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.

Score 97Warm competitionVC 4/5AI agent as a serviceConsumer97% of 4 neighbours alive

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.

Score 97Warm competitionVC 4/5AI agent as a serviceGovernment and public sectortest: $3.2k · 6w99% of 3 neighbours alive

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.

Score 96Warm competitionVC 4/5HardwareEnterprise95% of 2 neighbours alive

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.

Score 91Active competitionVC 4/5Software subscriptionEnterprise96% of 1 neighbours alive

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.

Score 89Warm competitionVC 4/5AI agent as a serviceConsumertest: $1.8k · 5w97% of 4 neighbours alive

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.

Score 88Warm competitionVC 4/5HardwareConsumertest: $1.6k · 5w97% of 4 neighbours alive

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.

Score 88Active competitionVC 5/5Software subscriptionEnterprisetest: $1.8k · 6w97% of 4 neighbours alive

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.

Score 87Active competitionVC 4/5HardwareConsumertest: $1.5k · 5w99% of 4 neighbours alive

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.

Score 87Warm competitionVC 4/5HardwareSmall businesstest: $1.8k · 6w96% of 4 neighbours alive

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.

Score 83Active competitionVC 4/5Software subscriptionEnterprise96% of 3 neighbours alive

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.

Score 82Active competitionVC 4/5AI agent as a serviceEnterprisetest: $1.2k · 5w97% of 4 neighbours alive

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.

Score 80Warm competitionVC 4/5HardwareConsumer95% of 2 neighbours alive

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.

Score 77Warm competitionVC 4/5HardwareSmall business82% of 4 neighbours alive

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.

Score 74Crowded competitionVC 5/5MarketplaceEnterprise99% of 4 neighbours alive

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.

Score 72Crowded competitionVC 4/5AI agent as a serviceSmall businesstest: $1.5k · 5w99% of 4 neighbours alive

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.

Score 71Active competitionVC 4/5HardwareConsumer99% of 4 neighbours alive

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.

Score 70Active competitionVC 4/5HardwareConsumer84% of 4 neighbours alive

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.

Score 69Warm competitionVC 4/5Infrastructure and APIsSmall business96% of 4 neighbours alive

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.

Score 68Active competitionVC 5/5MarketplaceEnterprise96% of 4 neighbours alive

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.

Score 68Crowded competitionVC 4/5Software subscriptionEnterprisetest: $2.3k · 6w97% of 4 neighbours alive

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.

Score 67Active competitionVC 5/5MarketplaceEnterprise96% of 4 neighbours alive

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.

Score 63Active competitionVC 4/5HardwareEnterprise97% of 3 neighbours alive

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.

Score 58Crowded competitionVC 4/5Software subscriptionEnterprisetest: $2.4k · 6w96% of 4 neighbours alive

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.

Score 58Crowded competitionVC 4/5Infrastructure and APIsSmall business95% of 4 neighbours alive

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.

Score 58Open competitionVC 4/5HardwareEnterprisetest: $2.2k · 6w95% of 3 neighbours alive

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.

Score 52Crowded competitionVC 4/5HardwareEnterprise94% of 3 neighbours alive

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.

Score 46Crowded competitionVC 4/5MarketplaceEnterprise95% of 3 neighbours alive

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.

Score 31Open competitionVC 4/5HardwareSmall business82% of 4 neighbours alive

← All 118 ideas in physical world