series a startups

What Are The Best Series A Startups? (2024 Edition)

In the startup industry of Series A startups, are you seeking clear insights and guidance? Look no further. 

I’ve spent years navigating this challenging yet exciting phase of startup growth. Rest assured, this article is your go-to resource, packed with firsthand experiences and essential knowledge for understanding and succeeding in Series A startups. This is the ultimate guide you’ve been searching for.

How Does Startup Funding Work?[EXPLAINED]

Pre-Seed Funding

In my journey with startups, I’ve learned that pre-seed funding is the initial step to get your idea off the ground. This funding stage is where investors come in to provide capital for developing your product. It’s important to remember that at this point, your business is likely in its infancy, possibly with just a prototype to show. 

I’ve observed that pre-seed funding is particularly beneficial for businesses that have a minimum viable product (MVP). An MVP is a version of a new product that allows a team to collect the maximum amount of validated learning about customers with the least effort.

This stage is not just about getting funds; it’s also about validating your idea in the market. As you progress, market research and consumer feedback become vital in refining your product.

Seed Funding

Moving on to seed funding, this is where things start to get a bit more serious. Seed funding, or seed capital, is crucial for sustaining your business until it starts generating its own cash or is ready for more significant investments. 

During my time working with startups, I’ve seen various sources of seed money, including friends and family, venture capital funds, angel investors, and even crowdfunding.

What stands out in this stage is the decision-making process of investors. They are looking for more than just a great idea. The strength of the idea, the skills, and the track record of the founders are crucial. In my experience, having a solid team and a well-thought-out business plan can significantly increase your chances of securing seed funding.

Both pre-seed and seed funding are about laying a strong foundation for your startup. It’s about proving your concept, understanding your market, and preparing for the long entrepreneurial journey ahead.

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Series A Funding

Series A funding is a pivotal point in a startup’s journey. It’s the stage where serious investors come on board, typically acquiring 10% to 30% of the company. I’ve seen this firsthand; it’s a crucial phase where startups are given the financial runway to develop over 6 months to 2 years.

This type of funding is more than just capital; it’s a vote of confidence in your business by external investors. Series A is often the first major influx of money startups receive after initial seed funding. During my interactions with various startups, it has become evident that the use of this capital is strategic.

The money is primarily directed towards further growth initiatives like product development and expanding the team. It’s an exciting yet critical time for a startup, as this funding round can significantly shape its future trajectory.

Series B Funding

When it comes to Series B funding, the game changes slightly. This funding round is all about scaling up. The company is expected to have passed the initial startup phase and is now ready to expand to meet growing market demands. 

I’ve observed that Series B is a critical time for talent acquisition and team expansion. A winning product and a growing team are essential, and attracting top-quality talent is key.

The funds from Series B are often allocated to enhancing business development, sales strategies, advertising efforts, tech support, and overall employee growth. It’s a substantial financial investment that helps the firm cover these significant costs.

In my experience, both Series A and Series B funding rounds are more than just financial boosts; they represent crucial growth phases of a startup.

They mark the transition from an early-stage company to a more established entity, ready to make a significant impact in its respective industry.

Series C Funding

Series C funding marks a stage in a startup’s life cycle where the focus shifts dramatically towards scaling the business at an accelerated pace. Having navigated through the early stages of funding and growth, I’ve seen companies at this stage poised for significant expansion.

One key aspect of Series C is its optional nature. Not all startups require this level of funding, but those that opt for it are typically looking to expand new markets, develop new products, or even acquire other companies. It’s a strategic move to strengthen the company’s market position and increase its valuation.

In some exceptional cases, startups may proceed beyond Series C to Series D, E, and even further. This is usually seen in scenarios of extraordinary success or in situations where a company is preparing for a major event like an IPO or a significant acquisition.

However, such extended rounds of funding are not the norm and are often indicative of unique growth trajectories or specific market opportunities.

In my experience, Series C and beyond represent a maturity in a startup’s journey, signaling a shift from establishing market presence to dominating and expanding in their sector. This stage is less about survival and more about strategic growth and market leadership.

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10 Best Series A Startups In 2024

Mistral AI – Paris, France

Mistral AI is a standout startup in the Series A stage. Founded by experts who previously worked at Meta and Google, they’ve made an impressive mark in the tech world.

They raised an astonishing €385 million (around $415 million) in their Series A funding round, reaching a valuation of $2 billion.

This is a significant achievement, especially considering the caliber of their investors, which includes names like Andreessen Horowitz and Lightspeed Venture Partners.

What’s truly remarkable about Mistral AI is how they’ve increased their value sevenfold in just six months. This kind of growth is rare and speaks volumes about their potential. Before this round, they had already raised €105 million (about $113 million) in seed funding, which set a solid foundation for their current success.

Their work focuses on foundational models with an open technology angle, which is a crucial area in today’s tech landscape.

Additionally, they are actively involved in shaping the EU’s AI Act discussions, highlighting their influence and expertise in the AI field.

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Squint – San Francisco Bay Area, USA

Squint, based in the San Francisco Bay Area, is another Series A startup making significant strides. They raised $13 million in their Series A funding, with Sequoia leading the round and participation from Menlo Ventures. This funding level is a testament to their innovative approach and promising future.

The company specializes in augmented reality (AR) for B2B applications, specifically designed to interact with physical objects.

Their goal is to revolutionize how we access information, aiming to replace the traditional search bar with more streamlined, intuitive methods. 

Founded by Devin Bhushan, a former engineering manager at Splunk, Squint has already shown impressive results. Their early customers reported a staggering 86% decrease in training time for new operators, indicating the effectiveness and potential of their AR solutions.

Both Mistral AI and Squint exemplify the kind of innovation and rapid growth that Series A startups are capable of.

They are not just raising funds; they are fundamentally changing their respective industries with cutting-edge technologies and visionary leadership.

Also Read: Cybersecurity Startups, based in the vibrant San Francisco Bay Area, recently achieved a significant milestone by raising $6 million in Series A financing. 

This round of funding saw participation from notable venture capital firms such as ff Venture Capital and Runa Capital, among others. operates within the conversational data industry, a sector that’s rapidly gaining traction as businesses seek to leverage AI and machine learning to enhance customer interactions. 

With this latest injection of funds, the total financing has secured to date climbs to $14 million. The company’s objectives with this new capital are twofold: to escalate sales demand significantly and to continue the evolution of its product, ensuring it remains at the cutting edge of the conversational data space.


Tavus has made remarkable strides in the tech industry, especially in the realm of AI video generation. After securing $6.1 million in seed funding with the support of Sequoia Capital, REMUS Capital, Y Combinator, and others, Tavus has developed an innovative AI video generation platform designed for creating personalized videos. 

This technological advancement has propelled Tavus into the spotlight, culminating in a substantial $18 million Series A funding round at a valuation of $80 million. 

This influx of capital underscores the confidence investors have in Tavus’ vision and its potential to revolutionize video communication. 

Presently, Tavus boasts $1 million in annual recurring revenue, with projections to escalate to $2-3 million by the year’s end, illustrating the company’s rapid growth and the increasing demand for personalized video content.

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Clerk has firmly established itself in the tech landscape with its innovative approach to authentication solutions.

After successfully raising $15 million in Series A funding led by Madrona, Clerk has captured significant attention for its React-friendly authentication product. 

This achievement was soon followed by an even more impressive Series B funding round, where the company raised $30 million with CRV leading the charge, complemented by participation from notable entities like Stripe. 

This financial backing underscores the market’s confidence in Clerk’s technology and its potential to redefine authentication processes.

The company is now poised to broaden its horizons by expanding its services to include authorization solutions, indicating a strategic move towards offering a more comprehensive security framework. 

This expansion is not just a growth strategy but a testament to Clerk’s ambition to innovate continuously and address the evolving needs of developers and businesses in securing their digital assets.


Atlys, headquartered in the San Francisco Bay Area, is revolutionizing the way travelers apply for visas with its online application platform. Founded in 2021 by Mohak Nahta, Atlys has quickly gained traction in the travel industry. 

In 2023, the company successfully raised $12 million in Series A funding, led by Peak XV Partners, with continued support from high-profile investors such as Andreessen Horowitz, the Chainsmokers, South Park Commons, and Pinterest Founders. 

This round followed a $5 million seed funding secured in 2021, marking a significant vote of confidence in Atlys’ mission.

Atlys is dedicated to simplifying the visa application process, making it faster and more accessible for travelers worldwide.

By partnering with governments, Atlys not only facilitates the visa application process but also aids in reducing visa overstays, showcasing its commitment to both customer convenience and regulatory compliance. 

The company’s platform addresses critical pain points for travelers, including credit for travel, remittance, and travel insurance, by ensuring visas are processed and obtained on time. 

With the latest infusion of funds, Atlys plans to enhance its product offerings, expand its customer base, and attract top talent to join its team, solidifying its position as a leader in travel technology.

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Zus Health

Zus Health, based in Boston, Massachusetts, is pioneering the integration of health data with its innovative platform. The company was founded in 2020 by Jonathan Bush, a well-known figure in the digital health industry. 

In a significant move in 2023, Zus Health secured $40 million in financing, with contributions from leading investors such as JAZZ Venture Partners, F-Prime Capital, Maverick Ventures, and Andreessen Horowitz. 

This round of funding marks a pivotal moment for Zus Health, highlighting the industry’s confidence in its vision and technology.

The platform’s primary goal is to create a unified view of health information for providers, encompassing coverage details, care teams, and medications. 

This integration is crucial in today’s fragmented healthcare landscape, where accessing comprehensive patient data can be a challenge. 

By adding new data sources and developing workflow and referral tools, Zus Health plans to enhance the way healthcare providers access and use patient data. Furthermore, the introduction of integration pathways for external patient data is a step towards more personalized and efficient patient care.

Zus Health’s strategic partnerships with Healthie and Canvas Medical underscore its commitment to providing robust tech infrastructure for healthcare companies. 

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Quell Tech

Quell Tech, a London-based fitness tech developer, is redefining the intersection of gaming and physical fitness with its innovative approach.

By integrating resistance bands into a gamified workout experience, Quell Tech aims to make exercise more engaging and enjoyable. 

The company’s recent $10 million Series A funding round in 2023, led by Tencent and supported by Khosla Ventures, Heartcore Capital, Social Impact Capital, and others, signifies a strong vote of confidence from the investment community.

This influx of capital is earmarked for two primary areas of growth: software expansion and team expansion. Quell Tech is set to enhance its software offerings, further blending the lines between gaming and fitness to create immersive workout experiences. 

In addition, the company plans to significantly increase its workforce, aiming to grow from 30 to over 50 employees. 

This expansion will predominantly focus on game development and core platform enhancement, reinforcing Quell Tech’s commitment to innovation in the fitness tech space. 

Through these initiatives, Quell Tech is not just advancing its product but also contributing to a healthier, more active lifestyle for its users.

Marker Learning

Marker Learning is transforming the way educational support is provided for students with learning and attention disabilities. 

Founded by Stefan Bauer and Emily Yudofsky, who both experienced the challenges of dyslexia firsthand, Marker Learning is dedicated to making assessments for dyslexia, ADHD, dyscalculia, and other related disabilities more accessible. 

In 2023, the company successfully raised $15 million in Series A funding, with contributions from notable investors such as Andreessen Horowitz and Richard Branson’s Virgin Group.

This significant financial injection is set to propel Marker Learning’s mission forward, enabling the company to extend its services to a broader array of school districts. The goal is to lower the barriers that prevent students from receiving timely and accurate assessments of their learning challenges. 

Beyond assessments, Marker Learning is committed to scaling its coaching and other learning support services. These services are designed not just for schools but also for individuals, ensuring that students everywhere can access the help they need to thrive academically. 

With this latest round of funding, Marker Learning is poised to make an even greater impact on the lives of students with learning and attention disabilities, offering them a clearer path to success.


MindsDB, headquartered in the San Francisco Bay Area, is at the forefront of integrating artificial intelligence into the world of SQL databases. 

Founded in 2017 by Adam Carrigan and Jorge Torres, MindsDB has quickly become a pivotal player in the AI space, offering developers innovative tools to enhance their applications with AI capabilities. 

The platform’s unique approach to marrying AI with SQL for real-time data applications has garnered significant attention and investment, culminating in a total funding of $52.2 million.

A substantial portion of this funding, $46.5 million, was raised through seed funding rounds with contributions from an impressive roster of investors, including Benchmark, Mayfield, MMC, NVentures, OpenOcean, SpeedInvest, TQ Ventures, the University of California Berkeley SkyDeck Fund, Walden Catalyst Ventures, and YCombinator. 

In 2023, MindsDB received a notable endorsement and investment from NVentures, NVIDIA’s venture capital arm, underscoring the tech giant’s confidence in MindsDB’s vision and technology.

MindsDB’s recognition by Forbes as one of America’s most promising AI companies in 2021 is a testament to its innovative approach and potential to transform industries. 

The platform’s capabilities extend beyond traditional AI applications, offering features such as model retraining, business intelligence tools, and data transformation. 

These features are particularly impactful in sectors like healthcare insurance, where MindsDB has demonstrated its ability to drive significant cost savings and efficiency improvements.

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