The 26 Most Popular SaaS Startups from Brooklyn (2026)

Brooklyn is home to 26 SaaS and AI products actively bought by companies on Cledara, led by FLORA. This ranking is built from real purchasing data — what companies actually pay for, not funding announcements — and updates monthly. Data as of 18 August 2026, 22:20 UTC.

Top SaaS companies from Brooklyn

#ProductCategoryDescriptionFoundedEmployeesFunding12-mo rank
1FLORAMarketing & GrowthFLORA is an AI-powered, infinite creative canvas that integrates top-tier models for text, image, and video generation into a unified, real-time collaborative workspace. It enables creative teams to ideate, iterate, and prototype through node-based workflows.2,0242-10 employees$5M - $10M+2,015
2RocketReachSales & RevenueRocketReach is a SaaS product that provides users with access to the world's largest and most accurate database of emails and phone numbers. It helps users connect directly with the right decision makers by enabling them to search 700 million profiles and 35 million companies based on various criteria such as location, title, industry, and company details. The product offers powerful tools to fi2,01651-200 employees$50M - $100M-343
3InfuraEngineering & DevOpsInfura provides the tools and infrastructure that allow developers to take their blockchain application from testing to scaled deployment with access to Ethereum and IPFS.2,01611-50 employees+335
4RoamCollaboration & ProductivityRoam is a virtual office platform designed to enhance company productivity, culture, and efficiency by offering an immersive environment for remote work.2,02111-50 employees$25M - $50M+245
5StandardsLegal, Risk & ComplianceStandards is a platform for designing, automating, and sharing online brand guidelines. It provides features like unlimited guidelines, automated processes, and connected workspaces to help branding experts create and manage consistent brand standards.2,0202-10 employees-147
6CastleIT & SecurityCastle provides a security platform that blocks bots, account takeovers, and transaction fraud using user identity and behavior analysis, enhancing digital security without CAPTCHAs.2,01511-50 employees
7SlingPeople Ops & TalentSling is a tool for scheduling employee shifts and managing work tasks. It provides features for time tracking, labor cost optimization, and internal communication to create a collaborative work environment. The platform is designed for various industries and helps streamline scheduling, task management, and payroll processes.2,01511-50 employeesUnder $1M-27
8KeysearchMarketing & Growth2-10 employees
9VitallyCustomer Success & SupportVitally is a Customer Success platform designed to enhance productivity, visibility, and collaboration for Customer Success teams. It integrates customer data with project management and work platform capabilities, allowing teams to deliver personalized customer experiences at scale. The platform offers tools for project management, note-taking, knowledge base, and automation, aiming to streamline2,01751-200 employees$25M - $50M
10LuzmoData & AnalyticsLuzmo is an embedded analytics platform that lets users add interactive dashboards to their own software application or customer portal.2,01551-200 employees$10M - $25M
11EligibleFinance & AccountingEligible offers a healthcare platform for efficient insurance eligibility verification and claims processing.2,01111-50 employees
12Sematext Engineering & DevOpsSematext is a cloud-based observability platform that provides monitoring, logging, and real-time analytics solutions for IT infrastructure and applications. It offers features such as infrastructure monitoring, log management, transaction tracing, and user experience monitoring, helping organizations to detect, troubleshoot, and resolve performance issues.2,00711-50 employees
13CodédexEngineering & DevOpsCodédex is a platform that offers interactive coding lessons in languages such as Python, HTML, CSS, and JavaScript through a gamified learning experience. It allows users to progress through coding challenges, earn experience points, and unlock new content areas while building real-world projects. 2,02211-50 employeesUnder $1M
14MathpixAI Platforms & Model OpsMathpix is an AI-driven solution that focuses on document automation services. It enables users to efficiently and precisely convert PDFs and images into text that can be searched, exported, and processed by machines. 2,01511-50 employees$5M - $10M
15SpectaclesEngineering & DevOpsSpectacles is a platform specializing in automated testing and CI/CD (Continuous Integration/Continuous Deployment) for Looker, a data exploration and visualization tool. The product is designed to assist data teams in ensuring that their LookML code is error-free and functions seamlessly for all users.2,0192-10 employees
16PrecoroOperations & Supply ChainPrecoro is a cloud-based procure-to-pay system that automates purchasing, spend management, sourcing, budgeting, and spend analytics for businesses.2,01451-200 employees
17WaldoEngineering & DevOpsWaldo is a no-code testing platform for mobile applications, enabling users to create, run, and maintain end-to-end tests directly in their browser. It supports multiple frameworks and integrates with various CI tools.2,01811-50 employees$10M - $25M
18Fluen.aiMarketing & GrowthFluen AI automates the generation, editing, and translation of video subtitles, supporting multiple languages and export formats.2,0222-10 employees
19SendersMarketing & GrowthSenders is a platform that specializes in email infrastructure, scaling, deliverability, and sendability. The service covers setting up and maintaining deliverability infrastructure for safe scaling of email sending, managing cold email outbound setups, and providing strategic advice to companies on effective email practices.2,01611-50 employees
20taxomateFinance & Accountingtaxomate is an automated tax system for amazon sellers to easily connect your amazon account to either Xero or Quickbooks Online.2,0182-10 employees
21ComeetPeople Ops & TalentCloud-based collaborative hiring platform that provides structured, streamlined workflows2,01351-200 employees$5M - $10M
22RespondentCustomer Success & Support2,01611-50 employees$1M - $5M
23WhopFinance & Accounting2,02151-200 employees$10M - $25M
24EtsyOperations & Supply Chain2,0051,001-5,000 employees$250M+
25Motion Design SchoolPeople Ops & Talent2,01611-50 employees
26ProSoundEffectsMarketing & Growth2,00411-50 employees

The complete list is available as <a href="/api/export/startups/united-states/brooklyn.csv">CSV</a> or <a href="/api/export/startups/united-states/brooklyn.json">JSON</a>.

Brooklyn startups by size and funding

The largest SaaS company from Brooklyn by headcount is Etsy (1,001-5,000 employees).

13 of 26 have disclosed funding, topped by Etsy ($250M+).

The newest entrant is FLORA (founded 2024).

The oldest is ProSoundEffects (founded 2004); the newest, FLORA (2024).

What Brooklyn startups build

CategoryProducts
Marketing & Growth5
Engineering & DevOps5
People Ops & Talent3
Finance & Accounting3
Customer Success & Support2
Operations & Supply Chain2
Sales & Revenue1
Collaboration & Productivity1
Legal, Risk & Compliance1
IT & Security1
Data & Analytics1
AI Platforms & Model Ops1

Brooklyn's SaaS scene skews toward Marketing & Growth — 5 of its 26 tracked companies build marketing & growth software.

Brooklyn vs the United States

Brooklyn accounts for 1% of the 3,477 ranked SaaS products founded in the United States.

Frequently asked questions

What are the biggest SaaS startups in Brooklyn?

FLORA, RocketReach and Infura are the most-used SaaS products founded in Brooklyn, based on real purchasing data from companies on Cledara. Last updated 18 August 2026, 22:20 UTC.

How many SaaS companies are based in Brooklyn?

26 SaaS and AI products founded in Brooklyn are actively bought by companies tracked on Cledara. Aggregators list more registered startups; this ranking counts only products with real, current usage.

Which Brooklyn startups are growing fastest?

FLORA and Castle show the strongest rank gains among Brooklyn-founded products over the last 90 days.

How is this different from other Brooklyn startup lists?

Most lists rank Brooklyn startups by funding raised or valuation. This one ranks them by adoption — how many companies actually pay for each product — measured monthly from Cledara's purchasing data.