Insights

Niche focus Target real estate, professional services, and startup/early-stage ventures as core client segments where the firm already concentrates its expertise.

Tech enabled Leverage the firm’s use of modern technologies and platforms (iCIMS, WordPress, Segment, MySQL, Shopify, Microsoft 365, Google Maps, Piwik PRO) to offer scalable, tech-forward accounting and advisory services for growth-minded clients.

Growth potential With revenue in the mid-range and a lean team, there is an opportunity to upsell advisory, tax optimization, and outsourced controller/CFO services to entrepreneurial and high net worth client bases.

Geographic hub River North, Chicago positioning suggests strong local market access; pursue mid-market firms and real estate players in the Chicago metro to expand client footprint.

Founders leverage Capitalize on the leadership background of seasoned partners to offer high-value consulting, M&A support, and transition planning to growing firms seeking trusted financial guidance.

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Novak Costello CPA Group, LLC Tech Stack

Novak Costello CPA Group, LLC uses 8 technology products and services including iCIMS, WordPress, Segment, and more. Explore Novak Costello CPA Group, LLC's tech stack below.

iCIMS
Applicant Tracking Systems
WordPress
Content Management System
Segment
Customer Data Platforms
MySQL
Database
Shopify
E-commerce
Microsoft 365
Email
Google Maps
Maps
Piwik PRO Core
Web Analytics

Media & News

Russell Novak & Company, LLP merged with Novak Costello CPA Group, LLC on Jan 1st '14
On January 1, 2014, RNCO, LLC and Costello CPA Group merged to form Novak | Costello CPA Group, LLC.
Dec 23, 2014 | novakcostello.com

Novak Costello CPA Group, LLC's Email Address Formats

Novak Costello CPA Group, LLC uses at least 3 email formats:

Novak Costello CPA Group, LLC Email Formats	Example	Percentage
FLast@novakcostello.com	JDoe@novakcostello.com	70%
Last@novakcostello.com	Doe@novakcostello.com	20%
First_L@novakcostello.com	John_D@novakcostello.com	10%

Frequently Asked Questions

What is Novak Costello CPA Group, LLC's phone number?

You can contact Novak Costello CPA Group, LLC's main corporate office by phone at

+1-312-222-****

. 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 Novak Costello CPA Group, LLC's official website and social media links?

Novak Costello CPA Group, LLC's official website is novakcostello.com and has social profiles on LinkedIn.

How much revenue does Novak Costello CPA Group, LLC generate?

As of September 2026, Novak Costello CPA Group, LLC's annual revenue is estimated to be $1M - $10M.

What is Novak Costello CPA Group, LLC's SIC code and NAICS code?

Novak Costello CPA Group, LLC's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services and NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Novak Costello CPA Group, LLC have currently?

As of September 2026, Novak Costello CPA Group, LLC has approximately 2 employees across 1 continents, including North America. Key team members include Entrepreneurial Partner: R. N. and Junior Accountant: L. A. Explore Novak Costello CPA Group, LLC's employee directory with LeadIQ.

What industry does Novak Costello CPA Group, LLC belong to?

Novak Costello CPA Group, LLC operates in the Accounting industry.

What technology does Novak Costello CPA Group, LLC use?

Novak Costello CPA Group, LLC's tech stack includes iCIMS, WordPress, Segment, MySQL, Shopify, Microsoft 365, Google Maps and Piwik PRO Core.

What is Novak Costello CPA Group, LLC's email format?

Novak Costello CPA Group, LLC's email format typically follows the pattern of FLast@novakcostello.com. Find more Novak Costello CPA Group, LLC email formats with LeadIQ.

When was Novak Costello CPA Group, LLC founded?

Novak Costello CPA Group, LLC was founded in 2014.

Novak Costello CPA Group, LLC

Q: How many employees does Novak Costello CPA Group, LLC have currently?

Novak Costello CPA Group, LLC has approximately 2 employees.

Q: What technology does Novak Costello CPA Group, LLC use?

Novak Costello CPA Group, LLC's tech stack includes jQuery Migrate, jQuery, X-Content-Type-Options, Open Graph, Google Maps.

Q: What is Novak Costello CPA Group, LLC's NAICS code?

Novak Costello CPA Group, LLC's NAICS code is 5412 (Accounting, Tax Preparation, Bookkeeping, and Payroll Services).

AccountingIllinois, United States2-10 Employees

Novak Costello CPA Group, LLC is a public accounting and business advisory firm based in the River North neighborhood of downtown Chicago. The firm provides proactive accounting, tax, and consulting services to its client base, which includes entrepreneurial businesses and high net worth individuals. It serves a range of industries but has a particular focus on real estate, professional services, and start-up or early-stage companies.

The firm was founded in 2014 through the merger of RNCO, LLC and Costello CPA Group. Its office is located at 225 West Illinois Street, Suite 450, Chicago, Illinois 60654. Leadership comprises partners Russell Novak, James Novak, and Matthew J. Costello.

Company Overview

Phone number: +1-312-222-****
Website: novakcostello.com
SIC Code: 8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code: 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded: 2014
Employees: 2-10