Insights

Gathering insights about Day One…

Similar companies to Day One

Day One Tech Stack

Day One uses 8 technology products and services including WordPress, ADP, JSON-LD, and more. Explore Day One's tech stack below.

WordPress
Content Management System
ADP
Human Resource Management System
JSON-LD
Javascript Frameworks
Stripe
Payment Processing
Flywheel
Platform As A Service
Yoast SEO
Search Engines
HSTS
Security
X-Content-Type-Options
Web & Portal Technology

Media & News

Day One closes offices in Portland, Oregon, United States, Northern America, Americas.
As a result, Day One has closed its South Portland office to client visits.
Mar 24, 2020 | day-one.org

Day One's Email Address Formats

Day One uses at least 1 format(s):

Day One Email Formats	Example	Percentage
FirstL@day-one.org	JohnD@day-one.org	98%
F.Last@day-one.org	J.Doe@day-one.org	2%

Frequently Asked Questions

Where is Day One's headquarters located?

Day One's main headquarters is located at 86 Tandberg Trail Windham, Maine 04062 United States. The company has employees across 5 continents, including North AmericaAsiaEurope.

What is Day One's phone number?

You can contact Day One's main corporate office by phone at

+1-207-874-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Day One's official website and social media links?

Day One's official website is day-one.org and has social profiles on LinkedIn.

What is Day One's NAICS code?

Day One's NAICS code is 62133 - Offices of Mental Health Practitioners (except Physicians).

How many employees does Day One have currently?

As of June 2026, Day One has approximately 200 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: L. N.Chief Clinical Operations Officer: B. H.Chief Marketing Officer: J. H.. Explore Day One's employee directory with LeadIQ.

What industry does Day One belong to?

Day One operates in the Mental Health Care industry.

What technology does Day One use?

Day One's tech stack includes WordPressADPJSON-LDStripeFlywheelYoast SEOHSTSX-Content-Type-Options.

What is Day One's email format?

Day One's email format typically follows the pattern of FirstL@day-one.org. Find more Day One email formats with LeadIQ.

When was Day One founded?

Day One was founded in 1973.

Day One

Q: What is Day One's official website and social media links?

Day One's official website is day-one.org. Day One has social profiles on LinkedIn.

Q: How many employees does Day One have currently?

Day One has approximately 200 employees.

Q: What technology does Day One use?

Day One's tech stack includes HIPAA, Swiper, Bootstrap, MonsterInsights, reCAPTCHA.

Q: What is Day One's NAICS code?

Day One's NAICS code is 62133 (Offices of Mental Health Practitioners (except Physicians)).

Mental Health CareMaine, United States51-200 Employees

Day One is a mental health care provider based in Windham, Maine. It delivers substance-use treatment, mental health support, and wellness services for youth and families across the state. The organization aims to improve Maine's health by helping young people access opportunities to realize their potential and lead healthy, productive lives.

With a mid-sized team, Day One operates within the community health space, offering services aimed at youth and families. In 2020, the organization announced the closure of its Portland, Oregon offices and ceased client visits at its South Portland location, reflecting changes in its operations while continuing its Maine-focused mission.

Company Overview

Headquarters: 86 Tandberg Trail Windham, Maine 04062 United States
Phone number: +1-207-874-****
Website: day-one.org
NAICS Code: 62133 - Offices of Mental Health Practitioners (except Physicians)
Founded: 1973
Employees: 51-200