Insights

Growing Regional Presence ORBA has recently expanded its office footprint in Oak Brook, Illinois, signaling a strategic effort to strengthen its service reach in suburban Chicago and attract local mid-sized businesses seeking dedicated accounting support.

Acquisition Momentum The acquisition of Ostrow Reisin Berk & Abrams by Citrin Cooperman indicates a trend towards consolidation in the regional accounting market, presenting opportunities to introduce innovative solutions that integrate with larger firm networks.

Recognition & Reputation Being named a Top Workplace in 2023 highlights ORBA’s strong employee engagement and company culture, which could be leveraged to promote HR and talent management technology or employee-focused financial services.

Leadership & Growth Recent hires of executive-level personnel such as a Chief Financial Officer and Director of Growth suggest ORBA’s focus on scaling its advisory and accounting services, creating avenues for financial advisory tools and growth-oriented solutions.

Technology Stack Utilizing a diverse technology stack including data management and client engagement platforms presents opportunities to offer integrations, automation, or cybersecurity solutions tailored to streamline ORBA’s accounting workflows.

ORBA Tech Stack

ORBA uses 8 technology products and services including Paycom, cdnjs, MySQL, and more. Explore ORBA's tech stack below.

  • Paycom
    Applicant Tracking Systems
  • cdnjs
    Content Delivery Network
  • MySQL
    Database
  • Google Docs
    Documentation Tools
  • Marionette.js
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Venmo
    Payment Processing
  • VMware
    Virtualisation Software

Media & News

ORBA's Email Address Formats

ORBA uses at least 1 format(s):
ORBA Email FormatsExamplePercentage
FLast@orba.comJDoe@orba.com
96%
Last@orba.comDoe@orba.com
3%
LFirst@orba.comDJohn@orba.com
1%

Frequently Asked Questions

Where is ORBA's headquarters located?

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ORBA's main headquarters is located at 455 North Cityfront Plaza Drive Nbc Tower, Suite 1500. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is ORBA's phone number?

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You can contact ORBA'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 ORBA's official website and social media links?

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ORBA's official website is orba.com and has social profiles on LinkedIn.

What is ORBA's SIC code NAICS code?

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ORBA'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 ORBA have currently?

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As of December 2025, ORBA has approximately 260 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Head Office: S. A.Director President At Next Plateau Consulting Llc: C. V.Senior Manager - Head Of Tax Quality And Technical Matters: M. L.. Explore ORBA's employee directory with LeadIQ.

What industry does ORBA belong to?

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ORBA operates in the Accounting industry.

What technology does ORBA use?

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ORBA's tech stack includes PaycomcdnjsMySQLGoogle DocsMarionette.jsjQueryVenmoVMware.

What is ORBA's email format?

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

When was ORBA founded?

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ORBA was founded in 1977.

ORBA

AccountingIllinois, United States201-500 Employees

Consistently voted as one of the Top 25 Accounting Firms by Crains, ORBA is a certified public accounting and financial advisory firm where individuals and stakeholders of small to mid-sized organizations go to build meaningful, one-on-one relationships with an experienced, resourceful, proactive business partner.

What separates ORBA are the connections our clients develop in a one-on-one relationship with a proactive partner supported by the resources, people and expertise available within the firm.

Section iconCompany Overview

Headquarters
455 North Cityfront Plaza Drive Nbc Tower, Suite 1500
Phone number
Website
orba.com
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1977
Employees
201-500

Section iconFunding & Financials

  • $100M$250M

    ORBA's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    ORBA's revenue is estimated to be in the range of $100M$250M

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