Insights

Acquisition Signal The Onyx Group was acquired by The Diallo Group in December 2024, signaling a strategic growth phase and potential integration opportunities for cross-selling architectural and planning services with broader Diallo capabilities.

Midmarket Footprint With 51-200 employees and revenue between 1M and 10M, there is a sizable mid-market footprint that benefits from scalable, project-based architecture and planning solutions, offering upsell potential for larger project scopes.

Federal Focus Recent activity at the SAME Federal Small Business Conference indicates a targeted interest in federal contracting opportunities, suggesting a path for government-oriented architectural and engineering services and proposal collaborations.

Tech Enablement Adoption of tools like iCIMS, Microsoft 365, WordPress, and Google Maps reflects a modern, tech-enabled operation; there is an opportunity to position data-driven project management, CRM-driven prospecting, and digital collaboration enhancements to clients.

Competitive Positioning As a smaller firm in a market led by large, global players, there is room to differentiate via specialized AEC offerings, fast responsiveness, and local market expertise, while leveraging the Diallo Group’s broader platform for scale.

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The Onyx Group Tech Stack

The Onyx Group uses 8 technology products and services including iCIMS, WordPress, Microsoft 365, and more. Explore The Onyx Group's tech stack below.

The Onyx Group's Email Address Formats

The Onyx Group uses at least 4 email formats:
The Onyx Group Email FormatsExamplePercentage
FLast@onyxgroup.comJDoe@onyxgroup.com
84%
First@onyxgroup.comJohn@onyxgroup.com
12%
FMiddleLast@onyxgroup.comJMichaelDoe@onyxgroup.com
2%
Last@onyxgroup.comDoe@onyxgroup.com
2%

Frequently Asked Questions

What is The Onyx Group's phone number?

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You can contact The Onyx Group'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 The Onyx Group's official website and social media links?

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The Onyx Group's official website is diallogrp.com and has social profiles on LinkedIn.

How much revenue does The Onyx Group generate?

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As of August 2026, The Onyx Group's annual revenue is estimated to be $1M - $10M.

What is The Onyx Group's SIC code and NAICS code?

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The Onyx Group's SIC code is 8712 - Architectural Services and NAICS code is 54131 - Architectural Services.

How many employees does The Onyx Group have currently?

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As of August 2026, The Onyx Group has approximately 52 employees across 3 continents, including North America, Asia and Europe. Key team members include Chief Executive Officer: O. D., Director Of Finance: J. T. and Officer Manager: L. C. Explore The Onyx Group's employee directory with LeadIQ.

What industry does The Onyx Group belong to?

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The Onyx Group operates in the Architecture and Planning industry.

What technology does The Onyx Group use?

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The Onyx Group's tech stack includes iCIMS, WordPress, Microsoft 365, Swiper, Google Maps, Really Simple Discovery, Piwik PRO Core and Nginx.

What is The Onyx Group's email format?

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The Onyx Group's email format typically follows the pattern of FLast@onyxgroup.com. Find more The Onyx Group email formats with LeadIQ.

When was The Onyx Group founded?

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The Onyx Group was founded in 1982.
The Onyx Group logo

The Onyx Group

Architecture and PlanningVirginia, United States51-200 Employees

The Onyx Group operates in the architecture and planning industry and is based in Alexandria, Virginia, United States. The company employs between 51 and 200 people. In December 2024, The Onyx Group was acquired by The Diallo Group, marking a milestone in the Diallo Group's strategic growth. The organization maintains an online presence at https://diallogrp.com. Its technology stack includes Google Cloud DNS, Google Fonts API, Element UI, jQuery, Isotope, jQuery Migrate, Piwik PRO Core, and Magnific Popup. Reported revenue is in the range of $1 million to $10 million.

Section iconCompany Overview

Phone number
SIC Code
8712 - Architectural Services
NAICS Code
54131 - Architectural Services
Founded
1982
Employees
51-200

Section iconFunding & Financials

  • $1M - $10M

    The Onyx Group's revenue is estimated to be in the range of $1M - $10M

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