Top B2B Startups in 2027

Modern Treasury builds payment operations software for high-growth companies. Our API and app modernize payment operations for disruptive companies building products that move and track money—think: rideshare marketplaces, digital wallet, fiat-crypto onramps—providing tools that help them grow faster. Enabling real-time payments, automatic reconciliation, continuous accounting, and compliance solutions, Modern Treasury’s platform is used to reconcile over three billion dollars per month. Founded in 2018, San Francisco-based Modern Treasury is backed by Benchmark, Altimeter, SVB Capital, Salesforce Ventures, NewView Capital, and Y Combinator.

6sense is a B2B predictive intelligence engine for marketing and sales. Using its private network of billions of time-sensitive intent interactions, 6sense uncovers net-new prospects at every stage of the funnel and determines which existing prospects are in market to buy. 6sense predicts what products prospects will buy, how much they will buy, and when. 6sense is backed by Bain Capital Ventures, Battery Ventures, Venrock, and Salesforce and is based in San Francisco. 6sense.com

Smartling uses technology to transform the way content is created and consumed around the world. Smartling’s Translation Management Platform helps brands access new markets, more customers and greater value. Smartling's Translation Management Platform enables ambitious brands to achieve a more dominant global position. Smartling enables brands such as British Airways, InterContinental Hotels Group, Uber, AdRoll, Shinola, Spotify, Pinterest, Hasbro and Survey Monkey to provide truly native brand experiences. Smartling is headquartered in NYC with over 100 employees. For more information, visit smartling.com.

Humaans is the fastest way to onboard and manage your staff. It turns complex processes like employee onboarding, offboarding, and compensation management into simple workflows by integrating with other point solutions, such as Gsuite, Slack, Docusign, and Greenhouse. We're building a new kind of employee management system designed to help People Ops, Finance, and IT teams operate collaboratively by using the best in class point solutions they want for their staff while maintaining a central record of employee data. How do we get there? By focusing relentlessly around customers’ needs and their experience, and prioritising design, quality and performance.

Field sales powers the economy — but most teams are struggling. Reps are buried in admin work, managers are stretched thin, and leaders can’t see what’s really happening in the field. Siro is redefining how field sales teams learn, perform, and win. We started as an AI-powered coaching platform that helped reps improve their outcomes in the field. Today, we’re something much bigger — an intelligent companion that automates sales reps’ tedious admin work, gives managers real-time visibility, and helps executives see around corners. Our platform integrates with systems like Salesforce, analyzing thousands of in-person sales conversations to surface insights, automate workflows, and drive better outcomes across the org. Think Iron Man’s Jarvis for sales — proactive, personalized, and built directly into the tools teams already use. Siro has raised $75M and is backed by world-class investors like Index, Fika, CRV, and SignalFire. We are trusted by leading home-improvement, retail, hospitality, and automotive brands, and powered by a lean team from Meta, McKinsey, Doordash, and Uber. We’re building the future of human-AI collaboration in sales — and we’re just getting started. ✔️ World-class team (McKinsey, Meta, DoorDash, Amazon) ✔️ Ambitious, high-ownership, collaborative culture built on relational responsibility ✔️ $75M raised from world-class investors (SignalFire, 01Advisors, CRV, Index Ventures, Fika Ventures) ✔️ 3x ARR YoY ✔️ Real traction with over 10,000,000 sales conversations recorded

Nextiva is a Connected Communications company that helps businesses grow faster. It lets people work smarter using its business VoIP phone service, video conferencing, and text messaging software. More than 100,000 companies rely on Nextiva for customer and team communication. U.S. News ranked it the best business phone system in 2020, 2021, 2022, and 2023. Nextiva’s business phone software regularly tops reviewer’s lists for superior uptime and ease of use. Nextiva uniquely manages all customer communications and engagement in one place to provide a truly unified view of the customer. It enhances the customer experience with sales and service tools, analytics, AI, and automation. Nextiva has pioneered Connected Communications from the ground up to provide actionable customer insights in real time across all channels, with communications at its core. With $200M in backing from Goldman Sachs Asset Management, we’re taking that vision to every customer, everywhere. Connected Communications leverages past and present conversations to provide a seamless employee and customer experience. It addresses the dilemma created by fragmented business tools by giving a complete picture of the customer in real time with actionable information for every user.

Founded with a mission to revolutionize commercial real estate through innovation, VTS is the industry's leading leasing and asset management platform. By centralizing all of their critical data and workflows in one place, VTS empowers landlords and brokers to better attract, convert and retain their most valuable asset – tenants. Over 7 billion square feet is managed on the VTS platform by a user base exceeding 28,000. The firm's client roster comprises global commercial real estate leaders including Boston Properties, Beacon Capital Partners, Equity Office, LaSalle Investment Management, Hines, JLL and CBRE.

Our goal is to revolutionize the business economy by evolving how funding flows. Today, we combine cutting-edge machine learning and data science technologies with outstanding design and top-notch user support that earns rave reviews from our thousands of happy customers.

Our mission is to help vacation rental managers and their guests make the most of every stay. We are world travelers who believe travel should be personalized and memorable, and that it can help bring people closer together. We're making vacation rental travel better by giving property managers the tools they need to automate their business, reach more customers, and deliver a 5-star guest experience. Our Property Management Platform and Guidebooks help vacation rental managers distribute their properties across Airbnb, Booking.com and HomeAway. Managers automate manual tasks, and communicate with guests with the right message at the right time. We have the most connected API in the industry, helping managers take advantage of the best software to streamline their business and increase revenue. We have a small but mighty team and are rapidly growing. The team is based in San Francisco, Southern California, Ottawa, Albuquerque, France, Argentina, and Poland.

Topsort is the leading AI and Auction-based retail media global company, transforming retailers and marketplaces into top ad networks on par with industry giants. Through seamless integration, Topsort provides a comprehensive Bidless™ retail media tech stack featuring highly flexible API tools, an industry-leading privacy-safe clean room with robust online and in-store attribution, and a transparent ad network for streamlined media buying across multiple ad networks. In just three years since launch, Topsort has raised $38 million in funding from investors like Pear Ventures, Quiet Capital, FJ Labs, and Upload Ventures.