Sia/Addison: Detailed Company Information & Corporate Profile
Summary
Sia/Addison is a private company that has been in the industry for 39 years. The company currently specializes in the Design area. The position of the CEO is occupied by Roger Byrom. Its headquarters is located at New York, New York, USA. The number of employees ranges from 100 to 250. The annual revenue of Sia/Addison varies between 100M and 500M. To connect with Sia/Addison employee register on SignalHire.
| Sia/Addison Website | addison.com |
| Social Links |  |
| Phone Number | 212-229-5000 |
| Industries | |
| Sia/Addison Headquarters address | 48 Wall Street, New York, NY, 10005 US |
| Company Size | 100-200 employees |
| Specialties | Stakeholder Communications, Not For Profit, Sustainability Communications, Social Media, Digital, Branding, Simplification, Content Creation, Financial Marketing, CSR |
| SIC Code | 7380, 8742 |
| DMA Code | New York Metropolitan Area |
| Founded | 1962 |
| Estimated Annual Revenue | $100M - 500M |
| Operating Status | Independent Company |
Estimated Website Traffic
The chart shows a growth in traffic to the addison.com website. In May, traffic increased to 4642, compared to 1012 in the previous month. The highest traffic in 2026 was recorded in May, reaching 4642 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Sia/Addison's workforce includes employees across a wide range of tenure levels.
3% have been with the company for 1 to 2 years2% have been with the company for 3 to 4 years4% have been with the company for 5 to 7 years3% have been with the company for 8 to 10 years88% have been with the company for more than 11 years
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Sia/Addison Corporate Information: FAQ
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