Venture-Backed Startups

Compose.ai offers a Chrome extension that uses artificial intelligence to autocomplete text across web applications, functioning similarly to email autocompletion tools but with broader applicability.

2 investors

CompoSecure designs and manufactures premium metal payment cards with security integrations for card issuers and financial brands. It operates a design and innovation studio offering custom finishes, textures, and metal card constructions.

1 investor

Composer is an automated trading platform and brokerage that lets retail investors build, backtest, and run algorithmic ("symphony") trading strategies using an AI-assisted, no-code visual editor. It offers pre-built strategies, community sharing, and support for retirement accounts like Traditional and Roth IRAs.

1 investor

Composer is an AI-powered brokerage platform that enables users to create, backtest, and automatically execute trading strategies through a visual no-code editor, with access to community-built strategies and zero commissions.

4 investors

Composio provides a developer platform that gives AI agents and autonomous systems access to over 1,000 third-party tools with managed authentication, sandboxed execution, and intelligent tool selection. The platform enables developers to build multi-step AI workflows across applications without handling OAuth flows or tool configuration.

4 investors

Composite is a U.S.-based web development and design agency specializing in Webflow development, web design, and digital strategy for clients across finance, SaaS, medtech, ecommerce, and other industries. The team provides design, development, and strategic services with post-launch performance tracking and ongoing support options.

1 investor

Composite Machinery develops technology solutions for the composites industry, with a focus on building client relationships through reliable innovations and collaborative engineering.

1 investor

Composo provides AI evaluation and monitoring for production systems, automatically detecting failure patterns in LLM outputs and deploying guardrails to block bad outputs before they reach users. The platform serves AI teams across healthcare, fintech, legal, and enterprise SaaS.

1 investor

A company selling compost and potting mix products under branded names for organic gardening and agricultural use.

1 investor

Composta+ collects organic waste from businesses and homes and composts it into organic fertilizer, providing customers with bins, training, and personalized collection plans. Subscribers also receive vegetable seedlings monthly as part of the company's nutrient-cycle service in Brazil.

1 investor

Compost Crew is a locally owned waste management company that collects food scraps from households and businesses in the Rockville, MD area and converts them into compost soil amendment. The company focuses on diverting food waste from landfills and helping residents and organizations participate in food waste recycling.

1 investor

Compostify develops compostable bioplastic solutions designed to replace conventional plastics, with a focus on breaking down naturally in composting environments. The company initially targets horticulture and garden products, serving businesses seeking sustainable packaging alternatives.

1 investor

CompostNow offers compost collection services for homes and businesses, and returns finished soil to local growers through a Compost Giveback and Garden Partners Program. It also provides grant writing, operational management, and infrastructure support for municipal compost programs, and shares diversion data to track impact.

1 investor

Compound provides wealth management technology and services enabling advisors to deliver personalized financial, tax, and investment planning for clients. The platform serves ambitious, high-net-worth individuals and manages over $5 billion in assets.

5 investors

Compound is an Ethereum smart-contract protocol for supplying and borrowing crypto assets at algorithmically set interest rates.

15 investors

Compound Eye builds camera-based sensing and perception technology (VIDAS) that combines AI with classical computer vision to give autonomous machines depth measurement, scene understanding, and positioning without LiDAR or radar. It serves defense, heavy equipment (construction and mining), and automotive applications.

1 investor

Compound Foods develops alternative coffee and cocoa ingredients made from upcycled, climate-resilient sources to address supply chain volatility and environmental impact of traditional coffee and cocoa production.

10 investors

Compound Foundry builds and scales direct-to-consumer home brands through in-house, on-shore manufacturing. The company operates as a holding company for a family of vertically-integrated consumer brands serving the home and lifestyle market in the USA.

2 investors

0 investors

San Francisco open-source software developer building DeFi tools and the Compound Protocol for crypto lending and borrowing.

2 investors

Compound22 is a manufacturing and supply company for the horticultural, sports, and agricultural sectors, providing fertilisers, plant-care products, seeds and blends, and sands and soils in small and bulk formats. It serves customers such as golf courses, sports clubs, councils, contractors, and driving ranges, and also manufactures fertilisers and plant-care products for brands to launch or scale via retail, trade, or direct-to-consumer distribution.

1 investor

0 investors

Compound Planning is an SEC-registered investment adviser (RIA) providing investment advisory services, and through its subsidiary Compound Tax offers tax consulting and compliance services. It serves clients seeking wealth management and financial planning.

3 investors

CompPair develops self-healing composite materials and products using its HealTech™ technology, enabling ultra-fast repairs that extend the lifespan of composite structures for aerospace, mobility, rail, and sports applications. The company provides a full suite of solutions including composite products, eco-design services, and recycled fiber integration to prevent waste and preserve material value.

1 investor