Modus21, LLC expands Charleston County operations

December 9, 2025

$1.1 million investment will create 80 new jobs 

Modus21, LLC (Modus21), a business technology consulting firm, announced it is expanding its  operations in Charleston County. The company’s $1.1 million investment will create 80 new jobs.  

Founded in 2004, Modus21 is a small business headquartered in Charleston providing technology consulting  services to commercial and defense customers. The company’s core capabilities include Model Based  Systems Engineering (MBSE), agile software development, DevSecOps, systems and software integration,  cloud computing, business process re-engineering and automation, and cybersecurity services.  

Located at 1362 McMillan Ave. in North Charleston, Modus21 is expanding its existing corporate facilities and  equipment to support new job creation and its Cloud Innovation Lab (CIL). 

Operations are already online. Individuals interested in joining the Modus21 team should visit the company’s  careers page.  

The Coordinating Council for Economic Development awarded a $50,000 Set-Aside grant to Charleston  County. 

“We are incredibly grateful to receive this $50,000 grant which represents a significant investment in both our  company’s future and our community’s economic value. This funding will enable us to expand our facilities and  create new job opportunities, while positioning us to continue innovating and growing. As a small business,  this support is transformative as it allows us to scale our operations, invest in our workforce and deepen our  roots in this community.” -Modus21 CEO Peter Woodhull

“Modus21’s investment once again proves that South Carolina is place where businesses can thrive. We  celebrate the new jobs this expansion will create and applaud the company’s decision to further invest in  Charleston County.” -Gov. Henry McMaster

“It is always gratifying to see a South Carolina-based business find success and continue to invest in the state.  Congratulations to Modus21 and Charleston County on this announcement and 80 new opportunities it will  bring to the Lowcountry.” -Secretary of Commerce Harry M. Lightsey III

“We are delighted to see Modus21 expanding in Charleston County, adding 80 new, knowledge-based jobs to  our region. This announcement reinforces our commitment to building a diverse, resilient economy that provides high-quality opportunities for our citizens.”  -Charleston County Council Chairman Rev. Dr. Kylon Jerome Middleton

“Modus21’s decision to expand in North Charleston shows the momentum our city continues to build. We look  forward to supporting their success and welcoming the new jobs this investment brings.” -North Charleston Mayor Reggie Burgess

“Charleston County’s ability to support high-tech defense and commercial consulting firms with a specialized  workforce demonstrates that our community is not just a place to start a business, but the ideal environment to  scale one.” -Charleston County Economic Development Executive Director Merle Johnson

FIVE FAST FACTS 

  • Modus21, LLC (Modus21) is expanding its operations in Charleston County. The company’s $1.1 million investment will create 80 new jobs. 
  • Modus21 is a business technology consulting firm. 
  • The company is located at 1362 McMillan Ave. in North Charleston, S.C. 
  • Individuals interested in joining the Modus21 team should visit the company’s careers page.  

 

About Charleston County Economic Development 

For over three decades, Charleston County Economic Development Department has been dedicated to establishing and  maintaining business relationships with new and existing industries to preserve the Charleston area’s exceptional  business climate and quality of life. To learn more about Charleston County Economic Development, visit  www.charlestoncountydevelopment.org