AI-powered software that automates sales tax and VAT compliance for global businesses.
Mayfield
mayfield.com ↗Activity from announced rounds
Venture investor whose recorded companies include optical connectivity developer Lumilens and tax compliance software company Numeral.
From infrastructure to applications
Mayfield backs technology founders and describes an AI investment view spanning semiconductors and applications. In explaining its Lumilens investment, the firm points to a practical constraint on AI growth: moving data between processors and racks as clusters become larger. It sees optical connectivity as an essential infrastructure layer.
Activity represented here
Lumilens develops optical transceivers and near-package and co-packaged optics for AI systems. Numeral, also listed in Mayfield’s official portfolio, builds software for sales-tax compliance. They address different business needs within the recorded funding history. The deals below are the announcements available in RoundOS; Mayfield’s official portfolio is the source for its wider set of investments.
Sources
- Rounds participated in
- 17
- Confirmed lead rounds
- 1 14 roles undisclosed
- New companies
- 14 First participation on record · 3 follow-on
- Funding in participating rounds
- $1.5B 15 disclosed · full round size, not this investor’s share
By stage
1 more
By primary sector
By country
Rounds
17 in this selectionA personal AI assistant that remembers a user's preferences and helps manage everyday tasks through app, text, email or phone conversations.
Helps large enterprises build and run AI-native software using agentic code generation and domain expertise
Develops ultra-low-power silicon for AI data centers and Physical AI systems
Builds optical interconnect technology connecting GPUs in AI data centers
Builds environments and infrastructure for reliable AI agents
Helps large enterprises build and run AI-native software using agentic code generation and domain expertise
Provides open-standard AI networking infrastructure for ultra-low-latency training and inference
Pioneers ASIC over Dielectric interconnect for high-bandwidth, energy-efficient AI infrastructure connectivity
AI-native SOC platform using a real-time knowledge graph and Exabots to detect and respond to threats
Builds silicon photonics chips and PDK tools for AI, telecom, and quantum computing markets
Provides open-standard AI networking infrastructure for ultra-low-latency training and inference
Builds agentic AI for enterprise IT operations that automates incident detection and root cause analysis
Develops Artificial Chip Intelligence (ACI) for semiconductor design
Builds robotic intelligence for real-world environments using video-predictive control
Builds agentic AI platform with customizable agents to automate marketing workflows audience targeting campaign optimization and data integration for marketers and media companies
Provides open-standard AI networking infrastructure for ultra-low-latency training and inference