Consulting Firms in New York
Big potential in the Big Apple.
SEI has established itself as one of the top consulting firms in New York. Our passion runs deep — for our clients, our neighbors, and each other. From mentoring local talent to stocking food banks, we're rolling up our sleeves for our community.
About SEI
What makes us different?
Our New York team brings you the power of an industry giant with the hustle of a hungry challenger. Our seasoned expertise matches our ambition. We treat our clients like partners, not customers. It’s on us to achieve our shared goals together.

Impact that moves the needle
SEI takes a local-first approach with national reach, building lasting partnerships right here in New York. The impact? Practical, measurable change that aligns with how you do business.
A 250%+ increase in quarterly stewardship actions was achieved with half the original headcount, thanks to an optimized data steward operating model.
$1 million in new revenue was generated in just one year after building a cloud-based customer data platform — giving a national real estate firm real-time personalization at scale.
$300,000 saved annually by automating manual reporting with advanced analytics, resulting in a 50%+ boost in operational efficiency.
Why more leaders are turning to consultants — and seeing results
Consulting isn’t just for course correction, it’s a catalyst for smarter growth. From strategy to execution, the right partner helps organizations make confident decisions and outperform the competition. These numbers show just how big the difference can be.
Talk to Us
Interested in collaborating, or just want to learn more about SEI? Drop us a line! We'd love to hear from you.
Want to learn more about business consulting in New York?
How we can help
Whether refining industry-specific processes or enhancing critical business functions, discover how SEI’s expertise can elevate your organization’s performance.