Venture-Backed Startups

Close is a CRM platform that provides sales software for businesses, emphasizing communication features and automated data entry to improve sales representative productivity.

1 investor

CloseEasy provides a system to handle pre-appointment work for firms, replacing PDF document requests and email chasing with a structured process for collecting information from company directors. It targets professional services firms managing director onboarding and document submission.

1 investor

Closed Caption Creator is a desktop and web application for creating, editing, translating, and quality-checking closed captions, subtitles, transcripts, and audio descriptions, with AI transcription, batch editing, and support for over 30 caption file formats. It is aimed at broadcast and captioning teams delivering accessible video, and offers team collaboration, video export with burnt-in captions, and a caption conversion API.

1 investor

Closed Loop Partners is an investment firm focused on the circular economy, deploying venture capital, private equity, catalytic capital and private credit alongside an innovation center and an operating group that builds circular economy infrastructure. It works with global corporations, financial institutions, foundations, family offices, entrepreneurs and municipalities, primarily across the U.S.

3 investors

Closeday combines licensed insolvency practitioners with AI software to close UK small and mid-sized companies, handling closure planning, vendor and payroll obligations, asset realisation, capital distributions, and filings to HMRC and Companies House. It serves UK business owners looking to wind down solvent or insolvent companies compliantly.

1 investor

Closedloop.ai is a team-based platform for agentic software development that enables teams to define requirements, create implementation plans, and ship code collaboratively with AI agents, with full visibility and review gates before execution.

8 investors

Closed Loop Center runs pilots and programs to test and scale reuse and compostable packaging systems, including a citywide cup reuse system, working to reduce single-use materials. It evaluates material innovations across focus areas to address packaging and waste challenges.

1 investor

CloseFactor uses machine learning and large language models to identify which target accounts best fit a company's past deals and are showing buying signals, then recommends contacts and generates personalized outreach messages. The platform serves B2B sales teams for account prioritization and prospecting.

2 investors

Closelink offers a lubricant procurement platform for shipping industry procurement teams, automating real-time data collection and providing analytics, automated alerts, ordering, and reporting tools. It connects purchasers, suppliers, and technology providers to manage vessel lubricant demand, monitoring, and supplier communication.

2 investors

0 investors

A mobile platform that enables professional athletes to broadcast content directly to audiences.

1 investor

Closer is a real-time communication and collaboration platform that gives distributed teams a sense of in-person presence. It targets remote and distributed companies, including startup founders, offering synchronous communications infrastructure as an alternative to chat and constant meetings.

0 investors

0 investors

Closera provides an AI-powered personal shopping agent for e-commerce stores that recommends products and bundles to increase customer conversions and average order value. The platform serves online retailers seeking to optimize their sales performance through AI-driven recommendations.

1 investor

CloseRocket is an AI-plus-human sales platform that finds and warms qualified leads, runs multi-channel outbound and inbound outreach, captures sales rep activity to fill CRM data gaps, and offers a marketplace to rent sales reps. It serves sales teams and B2B companies looking to build pipeline and enter new markets, integrating with CRMs such as HubSpot and Pipedrive.

1 investor

CloserStill Media is an events business that organizes major industry exhibitions and conferences, having earned numerous awards in the exhibition sector.

1 investor

0 investors

0 investors

2 investors

Closir is a web-based investor relations platform that helps companies identify target investors, manage investor meetings, track shareholdings, and generate reports. It serves IR teams at public companies and provides database access, RSVP tools, CRM functionality, and analytics for running investor relations programs.

1 investor

ClostraBio develops next-generation probiotics and a platform for delivering bacterial metabolites to support gut health, targeting inflammatory bowel disease (IBD) and food allergy. Its lead product, CLB101 (Anaerostipes caccae), is a probiotic aimed at supporting gut barrier function, immunity, and microbiome balance, offered both as a dietary supplement and a therapeutic delivery platform.

2 investors

Closure develops AI technology for law enforcement, focusing on tools designed around the needs of police departments and their personnel.

6 investors

Clothes Horse provides a data-driven fit recommendation tool for online apparel shopping. It suggests sizes and garments based on a shopper's body measurements and prior purchases, helping retailers reduce guesswork for their customers.

1 investor

Clothes Bin® is a franchise business that places and services clothing and shoe recycling bins in community locations, using its BLIP® bin-monitoring technology to track capacity and optimize collection routes. It offers a semi-absentee franchise model to individual operators across the United States who want to run a recycling collection business.

1 investor