About Johnson O'Connor
Johnson O'Connor is an Accounting company, headquartered in Wakefield, with 201 - 500 employees and annual revenue of $50M - $100M.
Founded in 1945, Johnson O’Connor has grown to become one of the preeminent accounting and consulting firms in the Greater Boston area. We are proud to be ranked as a “Top 50 Accounting Firm” by the Boston Business Journal. Through our membership in the AGN network of accounting and advisory firms, ...
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Johnson O'Connor Company Highlights
Phone Number
(781) 914-xxxx
Corporate Office Address
101 Edgewater Drive
Wakefield, 01880
Website
Johnson O'Connor Email Format
The most common Johnson O'Connor email format is [f].[last] (ex. j.doe@johnsonoconnor.com), currently being used by 99% of Johnson O'Connor business email addresses. There are 8 email formats used by Johnson O'Connor.
Johnson O'Connor Org
Johnson O'Connor has 11 C-Level, 3 Director, 30 Manager, 15 Senior, 25 Mid-Level, and 2 Other employees.
Johnson O'Connor Decision Makers
- CEOSean Donlan
Johnson O'Connor's Tech Stack
Frequently Asked Questions About
Johnson O'Connor
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Who is the CEO of Johnson O'Connor?
The CEO of Johnson O'Connor is Sean Donlan. See full contact details ›
How many senior employees does Johnson O'Connor have?
Johnson O'Connor has 59 senior employees that are typically used for decision making.
What email format does Johnson O'Connor use?
The most common Johnson O'Connor email format is {f}.{last} (e.g. j.doe@johnsonoconnor.com).
Who are the key decision makers at Johnson O'Connor?
Key decision makers at Johnson O'Connor include Sean Donlan (CEO). See full contact details ›
What technologies does Johnson O'Connor use?
Johnson O'Connor uses technologies including 33Across, Adobe, and Adobe Creative Suite.
How do I contact Johnson O'Connor?
To contact Johnson O'Connor, visit johnsonoconnor.com.
What companies are similar to Johnson O'Connor?
Companies similar to Johnson O'Connor include AllianceBernstein, Ares Management Corporation, and CCM.
Where is Johnson O'Connor headquartered?
Johnson O'Connor is headquartered at 101 Edgewater Drive, Wakefield.
What is the main phone number for Johnson O'Connor?
The main phone number for Johnson O'Connor is (781) 914-xxxx.
What is the official website for Johnson O'Connor?
The official website for Johnson O'Connor is johnsonoconnor.com.
What is the annual revenue of Johnson O'Connor?
The annual revenue of Johnson O'Connor is $50M - $100M.
How many employees does Johnson O'Connor have?
Johnson O'Connor has 201 - 500 employees.
What industry is Johnson O'Connor in?
Johnson O'Connor is in the Accounting industry.
Last updated: November 4, 2025