san-mateo
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Sony Sells the Console at a Loss. The Real Money Starts When You Turn It On.
Inside Sony Interactive Entertainment - the PlayStation maker that turned a spurned Nintendo partnership into 93 million consoles sold, 125 million monthly players, and a $31 billion games business built on selling hardware cheap and everything after it dear.
Sierra Ventures Has Been Early for Forty Years. The Secret Is a Room Full of CXOs.
Since 1982, the San Mateo firm has quietly written first checks into enterprise software - from Intuit to quantum computing - while a standing network of Fortune 1000 executives does the vetting.
Presidio Medical, Inc.
Presidio Medical is a clinical-stage medical device company in San Mateo, California, developing a proprietary Ultra Low Frequency (ULF) neuromodulation platform. By delivering very low frequency biphasic electrical currents through leads implanted in the epidural space, Presidio's spinal cord stimulation system reversibly blocks the conduction of pain signals along nerves without damaging tissue. Its first target is chronic nociceptive low back pain, a large and underserved indication with no approved SCS therapy. Backed by Deerfield Management and others, the company raised a $72M Series C in 2023 and received FDA IDE approval in 2025 to run its global pivotal FULFILL trial.
Infovity
Infovity is a San Mateo, California consulting firm that is 100% focused on Oracle Cloud applications. Founded in 2008 by former Oracle product leaders, the firm designs, implements, integrates, and manages Oracle ERP, HCM, SCM, EPM, and CX cloud systems for companies in high tech, life sciences, energy, banking, and manufacturing. It has completed 500+ implementations and reports that roughly 90% of its business comes from referrals and repeat clients.
Archetype AI
Archetype AI is a San Mateo-based physical AI company founded by former Google Advanced Technology and Projects (ATAP) leaders. It builds Newton, a multimodal foundation model that fuses real-time data from cameras, radar, microphones, accelerometers and dozens of other sensors with natural language, so machines can perceive, understand and reason about the physical world. On top of Newton, the company ships an Archetype Platform, an Agent Toolkit and prebuilt Physical Agents that turn raw sensor streams into actionable insight for manufacturing, construction, energy, telecom and city infrastructure. It raised a $35M Series A in November 2025, bringing total funding to $48M.
Bedrock Data
Bedrock Data is a Menlo Park, California data security company that builds an AI-native data security posture management (DSPM) platform. Its Metadata Lake technology discovers, classifies and tracks sensitive data across cloud, SaaS and AI systems at petabyte scale, giving enterprises visibility into what data they have, who can access it and how it moves - without copying that data out of a customer's environment.
Cuzen Matcha
Cuzen Matcha, made by World Matcha Inc., is a San Mateo food-tech and tea company that builds a countertop Matcha Maker - an award-winning machine that grinds whole, organic, shade-grown Japanese tea leaves into fresh matcha on demand, the way an espresso machine grinds beans. Founded in 2019 by former Suntory tea executive Eijiro Tsukada and Oki Hatta, it pairs a compact ceramic mill with a single-origin leaf subscription to make authentic, freshly-ground matcha an everyday ritual rather than a specialty-cafe indulgence.
Kivu Bioscience
Kivu Bioscience is a clinical-stage biotechnology company in San Mateo, California, building next-generation antibody-drug conjugates (ADCs) for solid tumors. Founded by BioGeneration Ventures and led by ADC veteran Mohit Trikha, the company licenses Synaffix's GlycoConnect and HydraSpace site-specific conjugation technology to engineer more homogeneous, stable ADCs that aim to widen the therapeutic window - hitting tumors harder while sparing healthy tissue. Backed by a $92 million Series A led by Novo Holdings, Kivu has moved its lead candidates KIVU-107 (PTK7) and KIVU-305 (CEACAM5) into Phase 1 clinical trials.
Manticore Games Inc.
Manticore Games is a San Mateo game studio behind Core, a free platform that lets people build, share, and play online multiplayer games without deep art or coding skills. Founded in 2016 by industry veterans Frederic Descamps and Jordan Maynard, the company built accessible creation tools on top of Unreal Engine and raised roughly $164M from backers including Epic Games, Benchmark, and SoftBank's Vision Fund 2 to power what it calls a 'games multiverse.'
Qualpay
Qualpay is a San Mateo-based payments company that combines a merchant account and a payment gateway into a single cloud-based platform. Founded in 2014 by payments-industry veterans, it lets businesses accept card and ACH payments across online, in-person, phone and recurring channels, with tokenization, a customer vault, real-time reconciliation reporting and PCI DSS Level 1 security. In 2022 Synovus Bank took a majority stake to build an embedded finance platform on top of Qualpay's technology.
Technical Communities
Technical Communities, Inc. (TCI) is a San Mateo, California holding company founded in 1999 that helps technology manufacturers sell into government markets and helps government buyers find the equipment they need at the price they want. It combines GSA contract management and public-sector go-to-market services with a family of e-commerce marketplaces - TestMart, GSAmart, NAVICPmart, ITmart, MedMart and CloudMart - that handle quoting, order management and compliant fulfillment for federal, state, local and commercial buyers of test-and-measurement, IT, medical and cloud products.
Forest Park Group
Forest Park Group is a San Mateo, California fintech building LoanOS, a private, permissioned blockchain platform that shrinks syndicated loan settlement from weeks to as little as T+1. Founded in 2019 by syndicated-loan veterans and distributed-computing engineers, the company targets the roughly 30,000 participants in the leveraged loan market, where deals routinely take 25+ days to settle and $92 billion in delayed-settlement exposure sits idle. By automating loan data flows through smart contracts and API-driven interfaces, LoanOS aims to make an illiquid, email-and-spreadsheet market behave more like a liquid one.
IPMD, Inc.
IPMD, Inc. is a San Mateo-based emotional AI company building software that reads human feelings from faces, voice, and language. Its flagship platform, Project M - now evolving into EchoAI - uses custom CNN-based deep learning to classify eight core emotions across roughly 400,000 intensity variations, reporting up to 96% ROC/AUC accuracy. Founded in 2016 out of UC Berkeley after the loss of a student to depression, IPMD applies its 'human-centered' emotional AI to telemedicine, mental-health support, and hiring, and is pursuing an FDA-regulated medical-device pathway.
Primepoint
Primepoint is a San Mateo-based construction intelligence company whose AI reads and understands construction drawings the way an experienced project team does. Founded in 2024 by computer-vision pioneer Lubomir Bourdev and product veteran Hamid Palo, it builds a proprietary knowledge graph that links every drawing element - down to the tag level - to its schedule, specification, and related documents, then layers a natural-language assistant named Marvin on top so teams can ask project questions in plain English. The platform automates the manual, error-prone work of constructability reviews, RFI drafting, submittal comparison, and drawing overlays, flagging conflicts before they become field problems. Primepoint closed a $10M seed round in April 2026.
Brelyon
Brelyon is an MIT Media Lab spin-out building headset-free immersive displays. Its Ultra Reality monitors use patented wavefront and light-field engineering to project a curved, multi-focal virtual image up to 122 inches with a ~110-degree field of view from a desktop-sized frame, giving users the depth and scale of VR without a headset. Brelyon targets simulation and training, control centers, teleoperations, enterprise visualization and high-end gaming.
Brilliant Smart Home
Brilliant Smart Home (Brilliant NextGen, Inc.) makes smart home control simple by replacing a wall of light switches with an in-wall touchscreen that runs lighting, climate, music, intercom, cameras, and smart devices from one panel and one app. Founded in 2015 in San Mateo, California, the company sells control panels, smart dimmer switches, and smart plugs to homeowners, home builders, and multifamily property managers. After a 2024 bankruptcy and acquisition by Almeida Strategic Investments, it relaunched as Brilliant NextGen with a builder-and-integrator focus and a second-generation Power over Ethernet platform.
OneValley
OneValley is a San Mateo-based global entrepreneurship platform that helps founders launch and scale startups while giving universities, accelerators, enterprises and governments the software to run their own innovation communities. Born from the Silicon Valley accelerator GSVlabs, it rebranded to OneValley in 2020 after its online Passport platform exploded in growth, and today it pairs that software with OneValley Ventures, a $25M seed and pre-seed fund. The mission: take the resources and connections traditionally locked inside Silicon Valley and make them reachable to innovators anywhere in the world.
teleSys Software, Inc.
teleSys Software is a San Mateo boutique telecom firm that has quietly kept the world's phone calls and texts connected since 1997. It builds carrier-grade signaling software - the invisible traffic-control layer that routes 2G, 3G, 4G, and 5G networks - including Diameter Signaling Controllers, SS7/SIGTRAN transfer points, signaling firewalls, and 5G SCPs. Its MACH7 product line runs in 400+ installations across 100+ operators worldwide, serving more than 500 million subscribers through the major Tier 1 carriers.
Tofu
Tofu is an AI-powered, omnichannel marketing platform for B2B go-to-market teams. It consolidates the sprawling martech stack into one workspace, generating and repurposing hyper-personalized content across channels so enterprise marketers can launch integrated campaigns roughly 8x faster. Founded in 2023 and based in San Mateo, California, Tofu plugs into existing tools like HubSpot and Salesforce rather than replacing them.
Luma Health
Luma Health is a San Mateo healthcare technology company building an Operational AI platform that unifies patient access, scheduling, intake, communication, and payments. Its Spark multi-model AI powers products like Navigator (voice concierge) and Fax Transform, used by more than 650 health systems and clinics serving over 55 million patients across 200,000+ providers.
Narvar
Narvar is a San Mateo-based enterprise SaaS platform that owns the 'post-purchase' moment for retailers - the stretch between checkout and a customer's next order. Its software powers order tracking, delivery notifications, returns, exchanges and fraud prevention for 1,500+ brands including Sephora, Gap, Patagonia, Home Depot, Levi's and Sonos, and has handled billions of consumer interactions across 38+ countries.
WHILL
WHILL designs and manufactures intelligent personal electric vehicles - sleek power chairs and an autonomous mobility service - that reframe the wheelchair as a piece of consumer technology. Founded in 2012 by three Japanese engineers from Nissan, Sony and Olympus, the company sells the Model C2 and Model F directly to consumers and operates an autonomous fleet service at airports including Haneda, Narita and Winnipeg.
Avia (AviaGames)
Avia (formerly AviaGames) is a San Mateo-based mobile gaming company behind Pocket7Games, a skill-based tournament platform where players compete in puzzle, card, bingo, and arcade titles for cash prizes. Founded in 2017 by Vickie Chen and Ping Wang, the company uses algorithmic skill matchmaking and a single-wallet system across a portfolio that includes Solitaire Clash, Bingo Clash, and Bubble Buzz.
Evidation
Evidation is a digital health company that gathers real-world health data from millions of consenting individuals through its Achievement app, turning everyday signals from wearables, sleep, activity and surveys into insights for clinical research, life sciences partners, and personalized health programs.