FourTwoOne Email Formats
Advertising Services • 
San Francisco, California, United States • 1-10 Employees
FourTwoOne Email Formats
FourTwoOne uses 1 email format. The most common is {first initial} (e.g., j@fourtwo.one), used 100% of the time.
| Format | Example | Percentage |
|---|---|---|
{first initial} | j@fourtwo.one | 100% |
Key Contact at FourTwoOne
Luis D. Duval
Founder
Company overview
| Headquarters | San Francisco, California, United States |
| Website | |
| NAICS | 541613 |
| Founded | 2018 |
| Employees | 1-10 |
| Socials |
About FourTwoOne
421 is a design & engineering firm with one goal - building experiences that people love. With expert staff around the world, our perspective is global and shaped by experiences that stretch from Silicon Valley to Capitol Hill. Our expertise spans 30 years in software development, engineering, marketing and policy. We've worked with numerous companies, from enterprise level endeavors to small, bootstrap start ups. Our work has been crucial for breakthroughs in various stages of investment and marketing. Our clients have gone on to a large array of successes, including acceptance into Y Combinator and EvoNexus.
Employees by Management Level
Total employees: 1-10
Seniority
Employees
Employees by Department
FourTwoOne has 1 employees across 1 departments.
Departments
Number of employees
Funding Data
FourTwoOne has never raised funding before.
FourTwoOne Tech Stack
Discover the technologies and tools that power FourTwoOne's digital infrastructure, from frameworks to analytics platforms.
Security
JavaScript frameworks
JavaScript libraries
CDN
JavaScript frameworks
Miscellaneous
Spain
United Kingdom
South AfricaFrequently asked questions
4.8
40,000 users
