H1 logo

H1 Headquarters & Office Locations

Verified data Software Companies 150 employees 4 offices worldwide

Headquarters: 373 Park Ave S, New York City, New York 10016, United States

Data last updated August 2026 · Sourced via GraphIQ

Headquarters
New York City, NY
United States
Total offices
4
across 1 countries
Employees
150
est. 2026

H1 headquarters details

373 Park Ave S

New York City

New York

10016

United States

2017

h1.co

All H1 office locations

4 total
City State / region Country Type
New York City HQ New York United States Headquarters

About H1

H1 (Private) is headquartered in New York City, New York, United States. Founded in 2017, the company operates across 1 countries with approximately 150 employees worldwide.

Where is H1's main office?

H1's main headquarters office is located at 373 Park Ave S, New York City, New York 10016. This serves as the company's primary corporate address and is home to its executive leadership team.

H1 regional offices

Beyond its headquarters in New York City, H1 maintains 4 offices across 1 countries. Regional offices span 1 countries.

H1 contact information

The main switchboard for H1 headquarters can be reached at 16463636450. For investor relations, visit h1.co/investor-relations.

What does H1 do?

The H1 Platform contains authoritative information about every Healthcare Provider (HCP) worldwide, including academics, clinicians, and allied health professionals.

Frequently asked questions

Where is H1 headquarters?

H1's headquarters is located at 373 Park Ave S, New York City, New York 10016, United States.

How many offices does H1 have?

H1 operates 4 offices across 1 countries as of 2026.

What is H1's corporate address?

The official corporate address is 373 Park Ave S, New York City, New York 10016.

When was H1 founded?

H1 was founded in 2017 and has grown to employ approximately 150 people worldwide.

What is H1's phone number?

The main phone number for H1 headquarters is 16463636450.

Find more info on H1 using GraphIQ

Revenue teams waste hours stitching together data from a dozen tools before a single rep can make a meaningful touch. GraphIQ fixes that. Whether you're building target account lists, routing inbound leads, or keeping your CRM clean as H1's structure changes, GraphIQ gives your RevOps team a single source of truth — automatically.

From territory planning and lead scoring to handoff workflows and pipeline hygiene, our platform connects the data your GTM engine needs to run without friction. Sign up today and see how GraphIQ helps your revenue team spend less time finding information and more time acting on it.

300M+Companies tracked
370M+Employees
2TNews articles & events