Sia/Addison: Detailed Company Information & Corporate Profile
Summary
Sia/Addison is a private company that has been in the industry for 39 years. The business currently specializes in Design area. Sia/Addison's headquarter is located at New York, New York, USA. The number of employees is at least 100. Register with SignalHire to connect with Sia/Addison employees and management.
| 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 |
| Updated: | 2026-07-20 |
Estimated Website Traffic
The chart shows a decline in traffic to the addison.com website. In June, traffic decreased to 4550, compared to 4642 in the previous month. The highest traffic in 2026 was recorded in May, reaching 4642 visits.
Workforce Turnover
Length of Employment
Sia/Addison's workforce includes employees across a wide range of tenure levels.
2% have been with the company for 1 to 2 years3% have been with the company for 3 to 4 years7% have been with the company for 5 to 7 years5% have been with the company for 8 to 10 years84% have been with the company for more than 11 years
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