B2B Software and Services Startups funded by Y Combinator (YC) in New York that are currently hiring 2025

We’re a passionate team of dreamers and builders, determined to liberate small businesses from the not-so-fun aspects of the job so that they can focus on what’s fun and important.

Hiro System builds developer tools for Bitcoin L1 and the Stacks L2 (layer-2). Stacks is a Bitcoin layer for smart contracts; it's an open-source project with an ecosystem of independent entities. Hiro serves 350M+ monthly API requests and thousands of crypto users on dev products.

Giveffect provides a powerful all-in-one software platform exclusively for nonprofits. We offer fundraising, events, online donations, volunteer management, donor management, marketing, constituent relationship management software, and more. We are well positioned for rapid expansion in the coming years and have garnered top industry recognition for our platform.

Copilot's mission is to power the next generation of modern service companies. We help marketing agencies, accounting firms, and many other types of businesses to sell and deliver their services online.

Swayable partners with the world's leading brands and advocacy groups to change minds, behaviors and attitudes. We are hiring in data science, full stack engineering, data visualization, design, and operations. We welcome unsolicited CVs from anyone, and especially encourage women and people from under-represented groups to talk to us.

Mobot (YC W19) is a QA-as-a-service platform using actual mechanical robots to automate testing of repetitive functions on real mobile devices. Mobot's human-supervised robots make it possible to automate mobile app tests that emulators, virtual devices, and existing frameworks can't. This approach eliminates thousands of hours of manual testing, increases testing efficiency and physical device coverage, and captures more bugs in-app before app store launches than software can do alone.

Dover gives you actionable data, supercharges your team’s workflows, and enables you to engage talent at scale so you can deliver an amazing candidate experience. We combine best-in-class candidate evaluation technology with bespoke process automation to help companies find and hire top talent for their open roles. Recruiting is a $50B/year industry in the US, but recruiting departments and agencies still have incredibly manual processes. We've built a better way. Our advanced matching software identifies the perfect candidates across all recruiting channels and drives the hiring process to create a seamless, white-glove experience for both companies and candidates. Dover went through Y Combinator in 2019, and today 200+ companies use our product to run a better hiring process. We've raised $23M from top VCs. We're a remote team of 50+ with hubs in San Francisco and NYC and a presence in Denver, LA, and Seattle.

We are building the Marketplace for On Demand Delivery. We provide an all-in-one Delivery OS that brings all orders into one place, dispatches these orders to the best available delivery service, and provides the tools to manage the post-purchase experience. The founding team started Habitat Logistics, where we powered delivery for restaurants, and delivered over 1M orders all on our own software.

A guild of vetted designers that work directly with your startup to ship all your design needs.

Porter is the easiest way to deploy and scale your applications on AWS, Azure, and GCP. Connect your own cloud account, and Porter will provision and manage the underlying infrastructure for you - simply point at your repository and Porter will handle the rest, from building your application to autoscaling it. Under the hood, Porter manages the same kind of infrastructure that growth-stage companies use and allows you to scale without DevOps overhead.

Nextmv is a DecisionOps platform that accelerates optimization AI teams with tools for deployment, testing, CI/CD, collaboration, and management of decision models. With Nextmv, developers can create scalable, custom decision services complete with unique API endpoints and options to integrate with popular solvers and modeling solutions.

Alloy is an integration platform used by Amazon, Gorgias, Postscript, & others to launch ERP, commerce, CRM, and various other integrations. Founded in 2019, the company is backed by $27M from a16z, Bain Capital Ventures, Y Combinator, and others.

doola is a “Business-in-a-Box” for creators. We take care of everything creators need to form an LLC, set up their bank account, accept payments, and manage ongoing compliance and tax filings. We realized how difficult it was to set up the full stack of software and accounts you need to get a business off the ground. This is the same problem faced by online businesses, who begin their business as a side hustle, and just want to focus on growing their business, not annoying administrative work. That’s why we built doola: to take care of it all. Today, people on every continent have launched companies with doola. (HQ: New York)

Notabene helps businesses perform crypto transactions in a regulatory compliant way. Think of us as the SWIFT network for Crypto. New global regulations for crypto transactions are here and will be enforced over the next year. Businesses now have to follow strict rules similar to banks, or shut down. We provide a SaaS platform that allows businesses to perform due-diligence on their counter-parties and manage the risk of incoming and outgoing transactions.

DraftWise is on a mission to transform the legal industry by harnessing the power of AI. With AI-powered drafting and negotiation software, DraftWise arms lawyers with data-driven intelligence that drastically improves the complete contract workflow, from first draft to client win.

Smartcuts is a Chrome extension that lets you automate anything in your browser, without code. Record your clicks and keystrokes, and replay them later on similar web pages to automate repetitive work. It's like Excel macros for any website.

Per Diem makes launching an app as easy as building a website. Think Starbucks-level tech for every mom-and-pop shop, at 10x the speed and 1/10th the cost. Ranked as the top app for Loyalty & Rewards in the Square app marketplace, our iOS and Android apps power over 150 brands, including Coffee Dose, Think Coffee, and Chip City.

The best way to know if someone is a good fit is to work with them on a project before you hire them full-time. At Pangea, we make contract-to-hire easy and painless. We'll work with you to provide a shortlist of top, interested candidates. Our talent have an average of 5-7+ years of experience in design, growth, ops, product, and engineering, and are primarily based in the USA (but also extend to 155 countries)

LiveFlow turns your Google Sheets and Excel spreadsheet into a live FP&A dashboard in minutes.

Topline Pro (formerly ProPhone) is a Generative AI platform enabling home service businesses to be easily discovered, trusted and booked, directly. The AI-driven interface rapidly and affordably creates a custom, SEO-optimized website along with a application to help sync content to and from local listings, put social media communications on autopilot and enable the business owner to easily get paid online.

Local businesses were the hardest B2B segment to reach, but account for over 60% firms in the U.S. Our SaaS application has data on every local business that are easy to get in touch with using our specialized marketing automation tools and workflows. Resquared has been proven to save sales pro's over 3 hours per day and result in 53% stronger leads (case study on website).

Svix is the enterprise ready and open source webhooks service. Webhooks are a pain. Developers need to worry about deliverability, retries, monitoring and security. All of which are different for webhooks compared to the rest of the stack. We turn all of that into a simple API call. Svix is sending billions of webhooks for customers both large (Fortune 500) and small (startups), and is backed by Y Combinator, Andreessen Horowitz (a16z), Aleph, and founders and CTOs of companies such as Github, PagerDuty, Segment and Lookout.

Deed makes it easy for employees to donate to their favorite charities and volunteer with great causes at work. Companies like Airbnb and Stripe use Deed to increase employee retention and happiness. Since launching publicly in January, we’ve increased our logo count by 4X with companies like DoorDash, Box, and Lob. We did this by making sure employees have the same awesome experience using their workplace giving tool as they do with their favorite consumer apps.

Tarsal is a data pipeline custom built for security teams. As security data grows 25% year over year, security teams desperately need access to best-in-class data infrastructure. Tarsal bridges the gap between the modern data stack and security teams, pioneering the modern security data stack.

Aleph helps top finance teams work with their data in real time. Businesses can automate financial models and streamline budgeting and forecasting with the fastest-to-implement FP&A platform. Aleph eliminates the need to export data from multiple sources by syncing spreadsheet models with data from 150+ integrations, and allows teams to interact with their data in no-code dashboards. From annual budgeting to ad hoc reporting, scale your financial processes faster with better data without expanding your team. See why over 90% of people who start a trial with Aleph become customers!

Redbird is an AI-powered analytics platform for the enterprise - empowering anyone within an organization to easily automate and unify their analytics work in minutes, without writing code. Redbird connects to all of an organization’s data sources and accelerates analytics work across data prep, wrangling, analysis, reporting and data science.

We help founders and in-house counsels streamline their contract negotiations to close deals faster. We do this by building your contract negotiation playbooks and automating them with AI.

SkyLink is transforming corporate travel into a hassle-free, efficient experience. By integrating advanced route optimization and reducing the need for traditional travel agents, we're not only saving companies millions but also simplifying the travel process. With SkyLink, employees can effortlessly book their travel, just like sending a Slack message. Trusted by leading global corporations, our platform acts as a pocket-sized travel agent, ensuring smart, cost-effective travel decisions and a smoother journey for everyone involved. SkyLink is where simplicity meets innovation in corporate travel.

Agency specializes in multi-party security and compliance scenarios; we are the Palantir of compliance. We serve the most innovative companies and their teams working on critical challenges and transformative technologies by helping them achieve standards like SOC2, ISO 27001, CMMC, NIST, HIPAA, and GDPR that meet the highest levels of scrutiny from third parties. Our patented platform, Verse, integrates with GRC software like Vanta, cloud infrastructure, and your endpoints to securely handle complex multi-layered configurations, such as remote contractor use, BYODs, and federated client-hosted application deployments. Our managed security and compliance team helps high-growth software companies meet rigorous standards as quickly as possible by doing it for them. Our ETDR program enables organizations to prevent threats directly targeting their employees' personal devices, data, and online accounts while respecting their privacy. We provide customized solutions to prevent insider threats, data loss prevention, and threat intelligence while safeguarding personal privacy.

We are building a cloud platform to help companies deploy and scale AI applications.

Reality Defender’s deepfake detection platform empowers enterprises to flag fraudulent users and content (audio calls, videos, images, documents). Our API and web app provides real-time risk scoring, reporting, alerts, and forensics review. Our team spent 20+ years at Google, Goldman Sachs, and the Intelligence Community at the intersection of data science and cybersecurity. Customer Use Cases: • Voice Voice Fraud (Ie. Realtime detection of AI generated voices for banks and call centers) • Onboarding KYC (Ie. Anti-fraud to identify fraudulent users and materials) • Content Moderation (Ie. Social media, e-commerce, marketplaces, dating, streaming) • Disinformation Detection (Ie. News, defense, government) Website: www.realitydefender.com Contact: ask@realitydefender.com YC AMA: https://news.ycombinator.com/item?id=30766050

Using Ekho’s licensed, white-label integration, our partners unlock market coverage and enable buyers to complete checkout, financing, payment, insurance, and titling & registration in a matter of minutes — all automated and online, without a single visit to the DMV.

Abacus is the only real-time expense management solution to reimburse your team, reconcile corporate cards, and automate your expense policy. By eliminating the month-end expense report, Abacus turns submitting and approving expenses into a delightful, collaborative experience. With our mobile app, you'll quickly submit and approve expenses on the go and reimbursements now happen within days. Abacus syncs with your accounting software and auto-matches transactions for hassle-free bookkeeping. Come work with us! We're hiring: abacus.com/about#hiring

We create a positive customer experience through real time call verification technology. Fraudsters cost businesses time and money, and make life more difficult on real customers - whether that’s outright stealing cash or slowing down the phone call authentication process. Next Caller helps businesses fight criminals, not customers, by safely passing through legitimate callers and identifying suspicious interactions. Using VeriCall™, businesses have the opportunity to stop phone fraud before it starts. With our real-time RESTful API, Next Caller verifies good callers and detects spoofed calls to make your business Spoof Proof™ - flagging high-risk calls within milliseconds of the first ring. Based on this threat-level analysis of every call, a business can decide how to handle the customer or criminal on the other end of the line.

Bulletin is a small business community that allows independent brands and retailers to connect, transact, and grow together.

Weav is building the digital infrastructure to connect small businesses with financial institutions.