Fastest-growing Tech companies in the world in 2025
- Valerie Charoux
- Sep 22
- 11 min read
Tech startup funding News – Here are the Fastest-growing Tech companies in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase:
Here are the Fastest-growing Tech companies in the world in 2025:
1 – xAI – California, United States
XAI is the No. 1 Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
xAI was founded in July 2023 and has received total funding of USD 22.7 billion. Its last funding round received USD 5.3 billion Series C in July 2025 with SpaceX as lead investor.
The CEO and founder of xAI is Elon Musk and the co-founder is Christian Szegedy. XAI is an artificial intelligence startup that develops AI solutions and tools to enhance reasoning and search capabilities.
Developers of more general-purpose large language models are securing serial rounds at superfast rates and Elon Musk’s xAI is kind of the poster child for this practice, with at least $22 billion in known debt and equity financing since its inception in 2023.
2 – Mistral AI – Paris, France
Mistral AI is the 2nd Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Mistral AI was founded in April 2023 and has received total funding of USD 2.8 billion. Its last funding round received USD 1.7 billion Series C in September 2025 with ASML as lead investor.
The CEO and co-founder of Mistral AI is Arthur Mensch and the co-founder and CTO is Timothee Lacroix. Mistral AI is an AI platform that provides large language models and AI services tailored to diverse enterprise applications.
French tech Mistral AI is also the fastest-growing startup in Europe.
3 – Figure – California, United States
Figure is the 3rd Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Figure was founded in April 2022 and has received total funding of USD 1.9 billion. Its last funding round received USD 1 billion Series C in September 2025 with Parkway Venture Capital as lead investor.
The CEO and founder of Figure is Brett Adcock. Figure is an AI robotics company that develops autonomous general-purpose humanoid robots.
Robotics has also been a hot space of late, as demonstrated by the fundraising prowess of 3-year-old humanoid robot developer Figure, which just raised $1 billion in Series C financing.
4 – Perplexity – California, United States
Perplexity is the 4th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Perplexity was founded in August 2022 and has received total funding of USD 1.5 billion. Its last funding round received USD 200 million Series C in September 2025.
The CEO and co-founder of Perplexity is Aravind Srinivas, and the CTO and co-founder is Denis Yarats. Perplexity is an AI-powered answer engine designed to provide accurate, real-time responses to user queries.
Three-year-old Perplexity has been scaling at an impressive speed.
5 – Anysphere - California, United States
Anysphere is the 5th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Anysphere, that is in the AI Coding sector, has received total equity funding of USD 1,073 million.
AI coding startups have been particularly hot of late. This is evidenced by Anysphere raising USD 900 million Series C funding in summer 2025, which came less than a year after the San Francisco company raised its Series A.
6 – Cognition - California, United States
Cognition is the 6th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Cognition, that is in the AI Coding sector, has received total equity funding of USD 896 million.
AI software development platform Cognition grew at high speed, closing a $400 million Series C this month, barely a year after its Series A.
7 – Saronic – Texas, United States
Saronic is the 7th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Saronic, that is in the Defense Tech sector, has received total equity funding of USD 845 million.
8 – Harvey – California, United States
Harvey is the 8th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Harvey, that is in the Legal Tech sector, has received total equity funding of USD 806 million.
LegalTech is another sector drawing considerable capital, such as startup Harvey, a 3-year-old developer of AI tools for legal professionals, has raised more than $800 million to date.
9 – Impulse Space - California, United States
Impulse Space is the 9th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Impulse Space, that is in the Space Tech sector, has received total equity funding of USD 525 million.
In 2025, several Space Tech startups have raised Series C funding rounds involving big amounts at a fast space, such as satellite transport provider Impulse Space.
10 – Apex - California, United States
Apex is the 10th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Apex, that is in the Space Tech sector, has received total equity funding of USD 522 million.
3-year-old Apex Space, which designs and builds satellite products, made it all the way to Series D in September 2025, securing $200 million and reaching Unicorn status with a $1 billion valuation. Just five months earlier, Los Angeles-based Apex raised $200 million Series C.
11 – Chaos - California, United States
Chaos is the 11th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Chaos, that is in the Defense Tech sector, has received total equity funding of USD 490 million.
12 – True Anomaly – Colorado, United States
True Anomaly is the 12th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
True Anomaly, that is in the Space Tech sector, has received total equity funding of USD 401 million.
13 – Mojo Vision – California, United States
Mojo Vision is the 13th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Mojo Vision, that is in the LED Display Technology sector, has received total equity funding of USD 345 million.
14 – Auradine - California, United States
Auradine is the 14th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Auradine, that is in the Web infrastructure sector, has received total equity funding of USD 289 million.
15 – ElevenLabs – New York, United States
ElevenLabs is the 15th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
ElevenLabs, that is in the AI audio models sector, has received total equity funding of USD 281 million.
Voice AI startups are in vogue, paving the way for 3-year-old voice AI platform ElevenLabs to get to Series C rapidly with a sharp valuation rise.
16 – Attovia Therapeutics – California, United States
Attovia Therapeutics is the 16th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
2-year-old Attovia Therapeutics, that is in the Biotech sector, has received total equity funding of USD 255 million to develop precision biologics for immune diseases.
17 – Finom – Netherlands
Finom is the 17th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Finom, that is in the Payments sector, has received total equity funding of USD 240 million.
18 – Decagon – California, United States
Decagon is the 18th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Decagon, that is in the Conversational AI sector, has received total equity funding of USD 231 million.
Decagon, a conversational AI platform for customer service that closed its Series C in summer 2025, just about a year after securing its Series A.
19 – Parloa – Germany
Parloa is the 19th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Parloa raised a Series C funding round of USD120 million in May 2025, barely a year after its Series A, and has now officially reached Unicorn status at a valuation of USD 1 billion. The new Series C funding by Parloa was led by Durable Capital Partners LP, Altimeter, and General Catalyst.
Parloa, that is in the Conversational AI sector, has received total equity funding of USD 212 million.
20 – Fal – California, United States
Fal is the 20th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Fal, that is in the AI Coding sector, has received total equity funding of USD 197 million.
Investors are also enthused about startups offering a richer AI audio and visual experience. To this end, Fal, focused on AI models for generative image, video and audio, has been closing rounds quickly, securing a USD 125 million Series C in July, just 10 months after its Series A.
21 – Eon – New York, United States
Eon is the 21st Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Eon, that is in the Cloud Data sector, has received total equity funding of USD 197 million.
22 – Halcyon – Texas, United States
Halcyon is the 22nd Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Halcyon, that is in the Anti-Ransomware sector, has received total equity funding of USD 184 million.
23 – Kapital – Mexico
Kapital is the 23rd Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Kapital, that is in the Banking sector, has received total equity funding of USD 174 million.
24 – Tennr – New York, United States
Tennr is the 24th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Tennr, that is in the AI for Medical documents sector, has received total equity funding of USD 161 million.
25 – Second Front Systems – Delaware, United States
Second Front Systems is the 25th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Second Front Systems, that is in the GovTech sector, has received total equity funding of USD 152 million.
26 – Prepared – New York, United States
Prepared is the 26th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Prepared, that is in the AI-powered Emergency Response sector, has received total equity funding of USD 151 million.
27 – Hydrolix – Oregon, United States
Hydrolix is the 27th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Hydrolix, that is in the Data Platform sector, has received total equity funding of USD 145 million.
28 – NomuPay - Ireland
NomuPay is the 28th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
NomuPay, that is in the Payments sector, has received total equity funding of USD 131 million.
29 – Polymarket – New York, United States
Polymarket is the 29th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Polymarket, that is in the Wealth Management sector, has received total equity funding of USD 124 million.
30 – Sdui – Germany
Sdui is the 30th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Sdui, that is in the EdTech sector, has received total equity funding of USD 121 million.
31 – Ledgebrook – Massachusetts, United States
Ledgebrook is the 31st Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Ledgebrook, that is in the Insurance sector, has received total equity funding of USD 115 million.
32 – Nivoda – United Kingdom
Nivoda is the 32nd Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Nivoda, that is in the Minerals sector, has received total equity funding of USD 92 million.
33 – A5X – Brazil
A5X is the 33rd Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
A5X, that is in the Wealth Management sector, has received total equity funding of USD 68 million.
34 – Bezahl.de – Germany
Bezahl.de is the 34th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Bezahl.de, that is in the Digital payments sector, has received total equity funding of USD 67 million.
35 – Foxtale – India
Foxtale is the 35th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
Foxtale, that is in the Beauty sector, has received total equity funding of USD 67 million.
36 - 4TEEN4 Pharmaceuticals – Germany
4TEEN4 Pharmaceuticals is the 36th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
4TEEN4 Pharmaceuticals, that is in the Biotech sector, has received total equity funding of USD 60 million.
37 - NeuroDawn Pharmaceutical – China
NeuroDawn Pharmaceutical is the 37th Fastest-growing Tech company in the world in 2025, raising from Series A to Series C funding rounds in less than 2 years, according to Crunchbase.
NeuroDawn Pharmaceutical, that is in the Biotech sector, has received total equity funding of USD 54 million.
