Insights

Established Market Presence With a longstanding history since 1946 and a solid client base in Ottawa, McCay Duff LLP demonstrates stability and local expertise, presenting opportunities for expanded service offerings tailored to small and medium-sized owner-managed businesses.

Recognition and Credibility Receiving the 2021 Best of Accounting Award highlights the firm's commitment to service excellence, making it a trusted partner for organizations seeking reliable financial and advisory services.

Client Sector Focus Specialized in serving not-for-profits, unions, credit unions, and professional firms, the company offers targeted engagement opportunities for vendors with solutions that address the unique needs of these sectors.

Growth Potential Operating within the $10M to $25M revenue range, McCay Duff LLC exhibits room for expansion, indicating potential for upselling financial technologies, consulting, or compliance solutions.

Technological Foundations Utilizing a modern tech stack including SEO, reCAPTCHA, and analytics tools suggests openness to innovative digital solutions, creating avenues for introducing new accounting software, cybersecurity, or client engagement platforms.

McCay Duff LLP Tech Stack

McCay Duff LLP uses 8 technology products and services including Open Graph, oEmbed, AOS, and more. Explore McCay Duff LLP's tech stack below.

  • Open Graph
    Content Management System
  • oEmbed
    Dev Tools
  • AOS
    Javascript Libraries
  • Lodash
    Javascript Libraries
  • PHP
    Programming Languages
  • Yoast SEO
    Search Engines
  • reCAPTCHA
    Security
  • Adobe Fonts
    Web Fonts

McCay Duff LLP's Email Address Formats

McCay Duff LLP uses at least 1 format(s):
McCay Duff LLP Email FormatsExamplePercentage
FLast@mccayduff.comJDoe@mccayduff.com
79%
First.Last@mccayduff.comJohn.Doe@mccayduff.com
18%
LFirst@mccayduff.comDJohn@mccayduff.com
3%

Frequently Asked Questions

Where is McCay Duff LLP's headquarters located?

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McCay Duff LLP's main headquarters is located at 979 Lansdowne Park Suite 210 Ottawa, Ontario k1s 5k5 Canada. The company has employees across 1 continents, including North America.

What is McCay Duff LLP's official website and social media links?

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McCay Duff LLP's official website is mccayduff.com and has social profiles on LinkedIn.

What is McCay Duff LLP's SIC code NAICS code?

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McCay Duff LLP'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 McCay Duff LLP have currently?

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As of April 2026, McCay Duff LLP has approximately 70 employees across 1 continents, including North America. Key team members include Chief Operating Officer: K. D.Partner: D. L.Partner: C. S.. Explore McCay Duff LLP's employee directory with LeadIQ.

What industry does McCay Duff LLP belong to?

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McCay Duff LLP operates in the Accounting industry.

What technology does McCay Duff LLP use?

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McCay Duff LLP's tech stack includes Open GraphoEmbedAOSLodashPHPYoast SEOreCAPTCHAAdobe Fonts.

What is McCay Duff LLP's email format?

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McCay Duff LLP's email format typically follows the pattern of FLast@mccayduff.com. Find more McCay Duff LLP email formats with LeadIQ.

When was McCay Duff LLP founded?

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McCay Duff LLP was founded in 1946.

McCay Duff LLP

AccountingOntario, Canada51-200 Employees

McCay Duff LLP is a full-service Chartered Accountants Firm that has been serving the Ottawa area since 1946. Our focus is on the needs of small to medium owner-managed businesses, unions, not-for-profit and charitable organizations, credit unions, condominium corporations, professionals, and individuals. We have a dedicated tax department which strives to create innovative strategies to enable our clients to maximize their wealth and to minimize their taxes.

Section iconCompany Overview

Headquarters
979 Lansdowne Park Suite 210 Ottawa, Ontario k1s 5k5 Canada
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1946
Employees
51-200

Section iconFunding & Financials

  • $10M$25M

    McCay Duff LLP's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    McCay Duff LLP's revenue is estimated to be in the range of $10M$25M

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