PropTech Startups

ION is a property developer and real estate investor working on residential projects, office buildings, and large-scale urban renewal developments with a focus on sustainability and architecture. It operates across the Benelux region, with activity centered in Belgium.

1 investor

OMRT provides a software platform for real estate developers that uses parametric design and advanced analytics to accelerate development from concept to completion while improving design quality and sustainability. The company helps developers tackle the global housing crisis by enabling faster, more sustainable, and affordable residential construction.

1 investor

One Clinton Park is a luxury residential rental building in New Rochelle, New York, offering studio to 3-bedroom apartments with hotel-style amenities, 24/7 concierge service, and smart-home technology. It targets renters in the Westchester area seeking high-end apartment living.

1 investor

One Dalton is a 61-story luxury residential building in Boston's Back Bay, offering high-end condominium residences with amenities and services managed by Four Seasons. It markets penthouse and signature homes to buyers seeking luxury living.

1 investor

One Manhattan Square is a luxury residential condominium tower on Downtown Manhattan's waterfront in the Lower East Side, offering high-rise units with river and skyline views plus over 100,000 square feet of indoor and outdoor amenities.

1 investor

One of a Kind is a Tokyo-based company that operates Mansion Review, a review and information platform for apartments and condominiums in Japan, alongside web development and advertising services.

1 investor

OneDome is an online platform that simplifies residential property transactions in the UK by integrating property search, estate agent engagement, conveyancing, mortgage brokerage, and title registration into a single service. The platform serves home buyers, sellers, and property professionals, and includes buyer protection covering professional fees up to £2,250 if transactions fail.

1 investor

Onefin provides a financial management platform for real estate companies, handling banking conditions, currencies, and reference rates to support reporting, liquidity planning, and auditing. The company serves clients in the real estate sector.

1 investor

One Key Access provides last-mile delivery management for residential and commercial buildings, handling courier onboarding, authorised delivery-driver access, and parcel locker delivery management for tenants, residents, and building managers. The company operates in Australia and was founded by former Australia Post staff.

1 investor

One Parking provides asset management services for parking properties, focusing on technology, customer experience, and financial optimization through customized strategies tailored to each property's unique characteristics and stakeholder goals.

1 investor

Felix is a comprehensive property management platform that consolidates lettings, tenant communications, facility operations, and financial management into a single integrated system for property managers and real estate portfolios.

1 investor

OnSight Industries manufactures and installs custom signage, including illuminated displays, vinyl graphics, and monument signs, for commercial, hospitality, and real estate clients across multiple U.S. regions. The company provides comprehensive branding and multi-location signage campaign services with emphasis on brand protection and marketing execution.

1 investor

Onsite provides a platform for managing building maintenance, communications, and strata committee operations. The platform serves residential and commercial building managers across Australia and New Zealand.

1 investor

Onsite Teams (Abeyaantrix Technology Pvt Ltd) is a construction ERP and project management SaaS built for Indian contractors, builders, EPC firms, and interior companies, covering BOQ, procurement, labour attendance, billing, and project P&L. The mobile-first platform uses WhatsApp-based workflows and integrates with Tally ERP and Zoho Books, serving clients across India and the Middle East (UAE, Qatar, Saudi Arabia).

1 investor

Onsite Analytics provides a data platform for multi-family property management, consolidating maintenance and asset data across a portfolio to support capital planning, cost forecasting, and acquisition due diligence. It offers portfolio-wide asset health visualization, predictive maintenance scheduling, and an AI agent that helps technicians troubleshoot equipment issues.

1 investor

Ontoly operates a carbon credit framework and registry that certifies emissions reductions from building retrofits, issuing credits (BERUs) backed by measured utility data rather than models. It serves building owners, managers, retrofit engineering firms, and consultants with eligible retrofit projects in the voluntary and compliance carbon markets.

1 investor

OpConnect manufactures hardware for electric vehicle charging, with products made in Portland, Oregon. The company serves fleet operators and property managers across the USA and is expanding internationally to Canada, Puerto Rico, and Europe.

1 investor

Opencasa is a tech-enabled real estate company focused on the US Single Family Rental (SFR) market, with a platform that combines SFR portfolio aggregation, capital, property management, and tenant leasing. It provides foreign and domestic investors access to the SFR sector while managing properties across communities.

1 investor

Openergy works on energy performance in building renovation, including large-scale social housing projects, with a focus on meeting measurable energy-reduction targets. The company documents projects such as the renovation of 300 social housing units in Saint Chamond, France.

1 investor

OpenHomes is a discount real estate brokerage that lists and sells homes for a 1% commission, offering a self-service listing tool plus MLS and web listing, yard sign, lockbox, and a licensed agent to handle paperwork and negotiations. It serves home sellers with two service tiers, OpenHomes ONE (seller-managed) and OpenHomes LUXE (full service).

1 investor

Openly Inclusive is a not-for-profit that provides rapid, photo-based inclusivity assessments of venues, giving operators, owners, and consultants evidence-based data on accessibility without a full on-site audit. It focuses on infrastructure, tourism, and the built environment in Australia.

1 investor

OpenTech Alliance builds access control systems and management software for the self storage industry, including hardware, mobile apps, and operations tools used by facility managers and onsite teams.

1 investor

OpenVia offers software that adds smartphone-based entry, guest passes, and video intercom features to a property's existing access control, gate, and intercom systems. It targets residential and commercial property owners looking for modern access features without investing in new hardware.

1 investor

Optee is a platform that collects over 150 technical data points about a building from public databases (BDNB, Enedis, GRDF, land registry, Ademe), identifies relevant renovation operations, and generates technical briefs so owners and property managers can launch tenders to certified contractors through its marketplace. It serves building owners, property managers, and renovation professionals in France, operating in building energy renovation.

1 investor