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CARLSBAD

B2B

19 b2b startups based in Carlsbad, $106.2M raised total, led by Proper Voltage, Inc. ($25.0M raised). See what B2B means more broadly on the B2B industry page.

19
companies
$106.2M
total raised

The breakdown

18 of 19 companies have disclosed funding, $106.2M combined, 6 at Seed stage, making up 40% of the 48 Carlsbad startups on file across every industry, founding dates span 2019-2026.

Companies

Proper Voltage, Inc. hero photo
Series A$25.0M
Proper Voltage, Inc.
Carlsbad, CA

Proper Voltage is the digital bridge that seamlessly links power and product, opening up access to more choices and possibilities.

Series AB2B
$23.1M
New Nixon Holdings, Inc.
Carlsbad, CA

The entity behind Nixon, the watch and accessories brand founded in 1997 by Andy Laats and Chad DiNenna, which is now backed by private equity firm Trilantic Capital Management.

B2B
ALT Sports Data, Inc. hero photo
Seed$19.2M
ALT Sports Data, Inc.
Carlsbad, CA · Founded 2021

Unlock Engagement, New Fans & Revenue Through Sports Betting

SeedB2B
Series B$15.0M
Stone Engineering Equity Group, LLC
Carlsbad, CA · Founded 2025

This Carlsbad, CA private-equity vehicle for engineered stone manufacturing is run by managing member Oren Klaff, the investor and author best known for the bestselling sales book "Pitch Anything."

Series BB2B
$9.6M
We Comes Before Me Corp.
Carlsbad, CA · Founded 2023
B2B
Seed$3.3M
ROSE DIAGNOSTICS INC.
Carlsbad, CA · Founded 2023

Co-founded by Andrew Morris, Eric Brouwer, and Adolfo Velazquez, the company is developing a rapid lung-cancer diagnostic called the verifi LUNG test.

SeedB2B
Series A$2.9M
Pear Health Labs, Inc.
Carlsbad, CA · Founded 2022

Through its health & fitness AI platform, PEAR creates personalized digital coaching experiences to help people move smarter, get healthier, and live happier.

Series AB2B
mePrism Inc. hero photo
Seed$2.9M
mePrism Inc.
Carlsbad, CA · Founded 2019

Priwall helps you find and remove your personal data from data brokers. Protect your identity and reduce your digital footprint.

SeedB2B
Safer Sports, Inc. hero photo
$2.1M
Safer Sports, Inc.
Carlsbad, CA · Founded 2022

SAFR Football Helmet Covers reduce the external blunt force that can cause traumatic brain injuries for all ages. Learn more!

B2B
AMERICA'S MOBILE INC hero photo
$1.1M
AMERICA'S MOBILE INC
Carlsbad, CA · Founded 2021

Multi-carrier wireless internet for homes, businesses, and specialized equipment. No contracts, 24/7 support, and reliable connectivity across all 50 states.

B2B
Seed$670K
LenderSquared, inc
Carlsbad, CA · Founded 2025

LenderSquared provides a Unified Intelligence Platform that integrates data, AI, and analytics to help modern lenders evaluate risk, automate workflows, and fund faster with clarity and control.

SeedB2B
VESTECK, INC. hero photo
$354K
VESTECK, INC.
Carlsbad, CA

The Vesteck Inc Endosuture Aneurysm Repair (ESAR) platform, Suture-Tight™, is revolutionizing the aneurysm repair space.

B2B
Seed$250K
Wellin5 USA, Inc.
Carlsbad, CA · Founded 2019

Struggling with your mental health? Our online counsellors meet with you through our video counselling platform, when and where it works best for you.

SeedB2B
Hauser OS Inc. hero photo
$250K
Hauser OS Inc.
Carlsbad, CA · Founded 2025

HAUSER is a world-class musician and magician of the cello. His passion is to show his audience the versatility of the cello. Watch latest videos and events!

B2B
$250K
ClearPrice Networks, Inc.
Carlsbad, CA

ClearPrice Networks, Inc. connects payers and providers directly, transparently, and electronically to eliminate rebilling vendor markups for DME, Orthotics & Prosthetics, Medical Supplies, and Home Care Services.

B2B
Bristlecone Holdings, Inc. hero photo
Seed$120K
Bristlecone Holdings, Inc.
Carlsbad, CA · Founded 2026

Bristlecone is the leading provider of connected logistics solutions, including AI applications, SAP integration, and more.

SeedB2B
$20K
Lumate Technologies Inc.
Carlsbad, CA · Founded 2023
B2B
Backplain, Inc. hero photo
$725
Backplain, Inc.
Carlsbad, CA · Founded 2023

Multi-model AI with a patent-pending AI Firewall — for teams where data privacy is not optional. 47 models, one workspace, sensitive data stays home.

B2B
Compose.ai
Carlsbad, CA · Founded 2021 · 7 employees

Cut your writing time by 40% with AI-powered autocomplete

Y CombinatorB2B