# Sia/Addison

> Sia/Addison is a New York creative agency that turns high-stakes corporate material - brands, annual reports, proxies and sustainability disclosures - into communications people can navigate and trust. Founded in 1962 and acquired by Sia in 2022, it combines an unusually long reporting pedigree with strategy, design, digital production and the consulting capabilities of a global parent.

- **Founded:** 1962
- **Headquarters:** New York, United States
- **Founders:** Leslie Segal (Co-founder and Wall Street journalist), Dick Lewis (Co-founder and magazine designer)
- **Products:** Enterprise branding, Annual reports and proxies, Sustainability strategy and communications, Digital corporate experiences, Secure AI-enabled sustainability work
- **Notable:** More than 60 years in corporate communications and reporting., Created an Intelsat campaign whose mark traveled into space; the work entered the Smithsonian National Air and Space Museum's permanent collection., A FedEx report was exhibited at the Cooper Hewitt Design Museum in New York.

## Products & services

- **Enterprise branding** — Brand positioning, architecture, messaging, visual identity, guidelines and activation, with specialist experience in asset management and law firms.
- **Annual reports and proxies** — Strategy, editorial, design, production and digital delivery for regulated shareholder communications.
- **Sustainability strategy and communications** — Roadmaps, governance, materiality, regulation readiness, data strategy, reporting, employee engagement and stakeholder communications.
- **Digital corporate experiences** — Enterprise websites, interactive reporting, video, data visualization, CMS integration and digital storytelling.
- **Secure AI-enabled sustainability work** — SiaGPT-supported benchmarking, gap analysis, disclosure drafting and document search, plus custom generative imagery systems.

## Achievements

- More than 60 years in corporate communications and reporting.
- Created an Intelsat campaign whose mark traveled into space; the work entered the Smithsonian National Air and Space Museum's permanent collection.
- A FedEx report was exhibited at the Cooper Hewitt Design Museum in New York.
- Built AB InBev's first integrated annual report in 2018 across print, digital, social and video in three languages.
- Helped PepsiCo turn sustainability reporting into a digital-first suite with interactive media, metrics, presentations and a custom report builder.
- Acquisition by Sia created the consulting group's 11th design center and a dedicated ESG Communication service line.

## Latest updates

- **2025-01** — Parent company Sia Partners shortened its name to Sia and introduced the positioning 'Optimists for change.'
- **2025** — Sia/Addison's current sustainability offer includes CSRD and double-materiality readiness, California climate rules, data governance and secure SiaGPT tools.
- **2025** — For International Paper, the agency created a refreshed identity and a custom generative-AI imagery system with reusable prompts and keywords.

## Links

- Website: https://addison.com/
- LinkedIn: https://www.linkedin.com/company/addison/
- Twitter/X: https://x.com/addisonnyc
- YouTube: https://www.youtube.com/user/AddisonNYC
- Instagram: https://www.instagram.com/addisonnyc/

---

Profile page: https://yespress.io/sia-addison
Published by YesPress — https://yespress.io
Last updated: 2026-09-24