Onezero Email Formats

Environmental Services • Lewes, England, United Kingdom • 11-20 Employees

Onezero Email Formats

Onezero uses 1 email format. The most common is {first name} (e.g., john@onezero.energy), used 100% of the time.

Format	Example	Percentage
{first name}	john@onezero.energy	100%

Key Contacts at Onezero

Howard Johns

Ceo

Guido Van Loon

Owner / Software Engineer

Company overview

Headquarters	Lewes, England, United Kingdom
Website	onezero.energy
Keywords	Solar, Energy, Mixed Reality, Digital Twin, Climate Tech, Home Energy Storage, Home Retrofit
Founded	2023
Employees	11-20
Socials

About Onezero

Our mission is to deliver home energy transformation at speed and scale. We aim to be the convening layer between communities of homeowners who want cheaper, healthier homes and skilled tradespeople who want to join the renewable energy revolution.

Employees by Management Level

Total employees: 11-20

Seniority

Employees

Entry

Founder/Owner

Manager

Employees by Department

Onezero has 5 employees across 5 departments.

Departments

Number of employees

Funding Data

Explore Onezero's funding history, including investment rounds, total capital raised, and key backers.

Funding Date	Round	Amount	Link to Article
2025-04-11	3	$369,300

Funding Insights

$369,300

Total funding amount

$369,300

Most recent funding amount

Number of funding rounds

Onezero Tech Stack

Discover the technologies and tools that power Onezero's digital infrastructure, from frameworks to analytics platforms.

Google Workspace

Lodash

JavaScript libraries

Sentry

Issue trackers

Sirvoy

Appointment scheduling

Wix

Blogs

HTTP/3

Miscellaneous

HSTS

Security

Open Graph

Miscellaneous

React

JavaScript frameworks

HubSpot

Marketing automation

Google Cloud

IaaS

Google Cloud CDN

CDN

Frequently asked questions

Onezero is located in Lewes, England, GB.

Onezero was founded in 2023, making it 3 years old. The company has established itself as a significant player in its industry over this time.

Onezero has approximately 11-20 employees. The company continues to grow its workforce to support its business operations and expansion.

Onezero has raised a total of $369,300 across 1 funding rounds. This investment has helped the company grow and expand its operations.

Key Contacts at Onezero

Howard Johns

Ceo

Guido Van Loon

Owner / Software Engineer

4.8

40,000 users