Insights

Technological Innovation Wiss & Company leverages advanced AI and data analytics in its accounting solutions and has recently integrated cutting-edge ERP technology through a partnership with Rillet. This demonstrates a strong commitment to adopting innovative technologies, creating opportunities to offer complementary advanced software solutions and technology consulting services.

Market Recognition Recognized among the IPA Top 100 Firms and winning awards at the 2025 FinTech Awards highlight Wiss’s reputation for excellence and innovation in financial services. These accolades position Wiss as a trusted partner for ambitious middle-market businesses seeking reputable and forward-thinking advisory and accounting support.

Growth Focus With a revenue range of $250 million to $500 million and recent leadership hires such as a new tax partner and senior consultants, Wiss is actively expanding its team and services. This presents opportunities to target growing middle-market companies requiring customized advisory, tax, and technological solutions.

Client-Centric Approach Wiss emphasizes building lasting relationships through tailored, service-focused solutions and community engagement initiatives. Offering customized financial literacy programs or co-branded educational content can help deepen engagement with their clients and enhance mutual value.

Growth Initiatives Recent initiatives like launching a financial literacy YouTube series and expanding into technology advisory suggest Wiss’s openness to strategic partnerships and new service lines. Opportunities exist for proposing innovative marketing, educational tools, and tech integration services to support their ongoing growth.

Wiss Tech Stack

Wiss uses 8 technology products and services including Trident AB, Site Kit, Linkedin Insight Tag, and more. Explore Wiss's tech stack below.

  • Trident AB
    A/B Testing
  • Site Kit
    Analytics
  • Linkedin Insight Tag
    Analytics
  • NetSuite
    E-commerce
  • Twemoji
    Font Scripts
  • Vue.js
    Javascript Frameworks
  • Microsoft ASP.NET
    Web Frameworks
  • Microsoft IIS
    Web Servers

Media & News

Wiss's Email Address Formats

Wiss uses at least 1 format(s):
Wiss Email FormatsExamplePercentage
FLast@wiss.comJDoe@wiss.com
82%
First.Last@wiss.comJohn.Doe@wiss.com
13%
Last@wiss.comDoe@wiss.com
5%

Frequently Asked Questions

Where is Wiss's headquarters located?

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Wiss's main headquarters is located at 352 Park Avenue South 9th Floor New York, New York 10010 United States. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is Wiss's phone number?

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You can contact Wiss's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Wiss's stock symbol?

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Wiss is a publicly traded company; the company's stock symbol is 0QL6.L.

What is Wiss's official website and social media links?

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Wiss's official website is wiss.com and has social profiles on LinkedIn.

What is Wiss's SIC code NAICS code?

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Wiss's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Wiss have currently?

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As of February 2026, Wiss has approximately 556 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Cfo Advisory Intern: D. G.Cfo Advisory Staff Associate: A. M.Chief People Officer: L. D.. Explore Wiss's employee directory with LeadIQ.

What industry does Wiss belong to?

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Wiss operates in the Accounting industry.

What technology does Wiss use?

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Wiss's tech stack includes Trident ABSite KitLinkedin Insight TagNetSuiteTwemojiVue.jsMicrosoft ASP.NETMicrosoft IIS.

What is Wiss's email format?

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Wiss's email format typically follows the pattern of FLast@wiss.com. Find more Wiss email formats with LeadIQ.

When was Wiss founded?

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Wiss was founded in 1969.

Wiss

AccountingNew York, United States501-1000 Employees

At Wiss, we believe there’s more to accounting than just balancing the books. For over 50 years, we've partnered with privately held, investor-backed companies and family-run businesses to help them achieve and sustain financial success. 

We’re proud to be recognized among the IPA Top 100 Firms, USA Today’s Most Recommended Firms, and Accounting Today’s Fastest Growing Firms—a testament to our commitment to excellence and client success.

Our mission is simple yet powerful: to empower businesses and families by building practical frameworks around accounting, tax strategies, family office services, and wealth management. From startups to established enterprises, we provide support through every stage of a lifecycle—helping you overcome obstacles and unlock growth opportunities. 

With a focus on the middle market, we offer everything from advisory and assurance services to advanced accounting solutions powered by AI and data analytics. This future-forward approach ensures that our clients benefit from smarter and faster financial insights. 

But we’re more than just numbers. At Wiss, we foster lasting relationships by offering white-glove, service-focused solutions tailored to your unique needs. When you choose Wiss, you’ll find a team that’s not only invested in your financial outcomes but in the stories that drive your success. 

Our vibrant culture reflects our commitment to our clients, employees, and community. Through social impact initiatives, we work to create lasting change within local neighborhoods while supporting the growth and development of our team. 

When you’re ready to elevate your business, we’re here to help. Together, we can chart a path toward a sustainable, thriving financial future. 

Discover the Wiss difference—connect with us today!

Section iconCompany Overview

Headquarters
352 Park Avenue South 9th Floor New York, New York 10010 United States
Phone number
Website
wiss.com
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
Stock Symbol
0QL6.L
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1969
Employees
501-1000

Section iconFunding & Financials

  • $250M$500M

    Wiss's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    Wiss's revenue is estimated to be in the range of $250M$500M

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