Expert Guidance for Industry-Changing Companies
Our experienced team of financial professionals provides comprehensive investment banking , mergers and acquisitions, valuation advisory, financial consulting and exit planning services, ensuring your firm navigates critical financial decisions with confidence.
About Us
For over 30 years, The McLean Group has been providing investment banking and financial services offerings focused on the Defense, Government & Intelligence (DGI), Security, Critical Infrastructure, Maritime, Technology & Software, Facility Services, Unmanned Systems, and Public Safety markets. Our 60+ professionals bring deep industry experience and relentless execution to every client engagement. We provide solutions that blend financial creativity with operational expertise. Whether we are providing transaction advisory, valuation opinions, or growth capital, our services are unmatched in these core markets.
Our clients are special and their missions often critical. They are required to be excellent at all times, and expect the same from their transaction advisor.
(US$) Transaction Value Since 2010
Closed M&A Engagements Since 2010
Dedicated Industry Groups
Years Supporting our Clients
Senior Team Firm Tenure
Annual Valuation Engagements
Dedicated Industry Focused Teams
Within each industry group, our senior team averages over twenty years of financial and operational experience in the markets they support. Additionally, each team member maintains highly-specialized skills and certifications to include security clearances and numerous financial designations. We maintain very close relationships with strategic and financial acquirers in our market segments as well as all sources of equity and debt capital. This assures we can provide our clients with thorough and informed advice and tailor capital solutions to meet their needs.
Our valuation advisory, transaction advisory, and asset valuation services provide financial reporting and guidance to companies at every stage of their lifecycle. With deep expertise and a tailored approach, we deliver precise, data-driven insights to support strategic decision-making across industries.
Defense & Government
- Intelligence Community
- Defense Services and Products
- Federal Civilian Services
- State and Local Government
Security
- Physical Security Services
- Integrators
- Cyber Security
- Access Control, Video & Security Technology
Critical Infrastructure
- Water & Wastewater
- Food Security and Supply
- Energy Infrastructure
- Critical Communications
- First Responders & Emergency Services
Maritime
- Vessels
- Tier Two & Three Services
- Ports & Facilities
Technology & Software
- Software as a Service (SaaS)
- AI / Data Analytics
- Cloud Computing
- Managed Services
- Information Technology
Facility Services
- Correctional Facilities
- Data Centers
- Military & Defense Facilities
- Hospitals and Clinics
- Rehab Centers
Unmanned Systems
- Military & Defense
- Commercial Delivery
- Agriculture
- Infrastructure Inspection
Public Safety
- Disaster Response
- Business Continuity
- Emergency Medical
- Search & Rescue
Capabilities
Representative Transactions
![The McLean Group advised Emagined Security on its recent acquisition by Neovera, a 424 Capital portfolio company [...]](http://mcleanllc.com/wp-content/uploads/2024/07/Emagined_acq_by_Neovera-scaled.jpg)
Recent News
Q2 2025 Mergers & Acquisitions Market Update
The McLean Group’s Q2 2025 M&A Insider Report delivers timely insights into middle market activity across the Defense, Government and Intelligence, Critical Infrastructure, Cybersecurity, and Maritime sectors. This quarter’s report features transaction highlights involving industry leaders such as Lockheed Martin, Leidos, AeroVironment, and more, demonstrating continued investor confidence in national security and advanced technology platforms.
In addition to deal coverage, the report explores how shifting geopolitical dynamics, changes to federal budgets, and new regulatory measures are impacting valuation trends, market activity, and strategic deal making. […]
McLean advised O’Connor Consulting Services on its acquisition by Aprio
The McLean Group served as the exclusive sell-side advisor to O’Connor Consulting Services, LLC in its acquisition by Aprio. O’Connor is a trusted provider of financial consulting, forensic accounting, and litigation support services, with deep expertise in complex commercial disputes, fraud investigations, and economic damage assessments. The acquisition strengthens Aprio’s nonprofit advisory practice, which offers outsourced accounting, strategic tax, and assurance services—enhancing its ability to empower mission-driven organizations with expanded business advisory and interim outsourcing solutions. […]
McLean advised AMPSIGHT on its acquisition by VIBRINT
The McLean Group served as the exclusive sell-side advisor to Ampsight in its acquisition by Vibrint, a leading national security technology firm. Ampsight, based in Sterling, Virginia, is known for its expertise in multi-cloud engineering, cybersecurity, and artificial intelligence solutions for federal agencies. The McLean Group’s advisory role facilitated a strategic transaction that enhances Vibrint’s capabilities in AI/ML, cloud, cyber, geospatial, and trusted intelligence, thereby expanding its footprint in the national security sector. This acquisition underscores The McLean Group’s proficiency in navigating complex defense technology mergers and acquisitions. […]