Professional Services Acquisitions in Michigan
Michigan Professional Services Deal Mix
M&A activity across professional services in Michigan spans a range of client-facing capabilities—from engineering and architecture to security integration, HR outsourcing, employee benefits, and valuation services. Recent transactions also show a consistent “add-on” theme as platforms build depth in specific service lines.
Many deals are designed to expand local coverage within Michigan (often Greater Detroit, Ann Arbor, Grand Rapids, Troy, or Flint) while extending a buyer’s broader regional or national platform. Examples include Tandem Engineering’s architecture-and-interior design expansion in Ann Arbor and Engage PEO’s addition of Axios HR to strengthen Midwest delivery.
Other acquisitions focus on advisory and risk-related services. Province’s acquisition of O'Keefe adds litigation advisory and forensic accounting expertise and increases its Midwest footprint, while Corridor Capital’s investment in Dart Appraisal supports growth in sales, technology, marketing, and strategic acquisitions.
What Stands Out
- Add-on strategy is recurring: buyers like The Riverside Company (and platforms tied to it) and Security 101 expand capabilities by bringing in adjacent service providers in Michigan.
- Security services are a standout cluster, with acquisitions expanding monitoring, video surveillance, access control, and related offerings (e.g., Guardian Alarm and Security 101).
- HR and employee benefits remain active: Engage PEO acquired Axios HR, and NFP acquired Benefits Partner (dba Salus Group).
- Valuation and appraisal show platform building: Corridor Capital invested in Dart Appraisal (headquartered in Troy) to support growth efforts.
- Geography is consistently Michigan-based, with deals anchored in Metro Detroit and key regional hubs like Ann Arbor, Grand Rapids, Flint, and Troy.
| Buyer (examples) | What the acquisition adds | Michigan anchor |
|---|---|---|
| Tandem Engineering | Integrated engineering + architecture/interior design | Ann Arbor |
| Guardian Alarm | Expanded security presence and service portfolio | Southfield / Metro Detroit |
| Province | Litigation advisory + forensic accounting | Midwest expansion via MI |
| Engage PEO | Local HR expertise within national outsourcing | Grand Rapids |
| NFP | Expanded employee benefits capabilities | Sterling Heights |
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February 2, 2026
- Buyer
- Tandem Engineering
- Target
- Ann Arbor Architects Collaborative, Inc.
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Buyout
Tandem Engineering has acquired Ann Arbor Architects Collaborative, Inc., a multidisciplinary architecture and interior design firm based in Ann Arbor, Michigan; the deal closed on February 2, 2026. The acquisition expands Tandem’s integrated engineering and project management capabilities by adding architecture, interior design and sustainable-design expertise to its service offering.
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January 9, 2026
- Buyer
- Guardian Alarm
- Target
- Controllor Security Systems
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Buyout
Guardian Alarm, a Southfield, Michigan-based full-service security company, has acquired Controllor Security Systems, a long-established Metro Detroit security provider serving residential and commercial customers for more than 40 years. The acquisition expands Guardian Alarm's presence in Michigan and brings Controllor's local customers access to Guardian's broader portfolio of monitoring, video surveillance, access control and life-safety services.
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August 1, 2025
- Buyer
- 4M Building Solutions, O2 Investment Partners
- Target
- Calvary Building Services
- Seller
- Calvary Building Services, Matt Joyce
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
4M Building Solutions, a St. Louis–based commercial cleaning platform backed by O2 Investment Partners, has acquired Grand Rapids, Michigan–based Calvary Building Services. The add-on strengthens 4M's presence in West Michigan and brings Calvary's ~79 frontline team members and long‑tenured client contracts onto 4M's platform.
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- Buyer
- Province
- Target
- O'Keefe
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Buyout
Province, a Las Vegas–headquartered restructuring and financial advisory firm, has acquired Michigan-based O'Keefe, a litigation advisory and forensic accounting specialist. The deal—Province's first since a strategic investment from Trivest Partners—adds 16 advisory professionals and expands Province's litigation advisory capabilities and Midwest presence; terms were not disclosed.
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March 31, 2025
- Buyer
- Corridor Capital, LLC, Brookside Capital Partners
- Target
- Dart Appraisal, LLC
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Growth capital
Corridor Capital has made a growth investment in Dart Appraisal, a nationwide appraisal management company headquartered in Troy, Michigan, with Dart's management team (including CEO Michael Dresden) remaining as material owners. Brookside Capital Partners provided debt financing and an equity co-investment to support the transaction; Corridor will work with management to accelerate growth through investments in sales, technology, marketing and strategic acquisitions.
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March 3, 2025
- Buyer
- Engage PEO
- Target
- Axios HR
- Seller
- Axios International
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Buyout
Engage PEO has acquired Axios HR, a Grand Rapids, Michigan-based professional employer organization, from parent company Axios International. The acquisition expands Engage PEO's Midwest footprint and combines Axios HR's local expertise with Engage's national HR outsourcing capabilities to better serve small and mid-sized businesses in the region.
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December 17, 2024
- Buyer
- NFP
- Target
- Benefits Partner, LLC dba Salus Group
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Buyout
NFP has acquired Benefits Partner, LLC dba Salus Group, an employee benefits consulting, brokerage and administration firm based in Sterling Heights, Michigan. The acquisition is intended to expand NFP’s employee benefits capabilities for the middle-market and deepen its presence and talent base in Michigan and the broader region.
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December 12, 2024
- Buyer
- Security 101, Gemspring Capital
- Target
- Eos Business Surveillance Solutions, LLC
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
Security 101, a portfolio company of Gemspring Capital, has acquired Eos Business Surveillance Solutions, a Flint, Michigan-based security integration firm specializing in video surveillance, access control, and mobile surveillance trailers. The acquisition expands Security 101's capabilities and Michigan footprint while retaining Eos leadership to continue scaling the mobile surveillance trailer sales and leasing business.
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October 15, 2024
- Buyer
- Command Investigations LLC, Monument MicroCap Partners, LLC
- Target
- SuperiorX Investigations
- Seller
- SuperiorX Investigations (shareholders), Robert Murray, Michael Huntsman
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
Command Investigations LLC, a portfolio company of Monument MicroCap Partners, acquired SuperiorX Investigations on October 15, 2024. The add-on transaction (financed by Maranon Capital with Charter Capital Partners as sell-side advisor) expands Command's geographic footprint and service offerings in Michigan and the broader Great Lakes region.
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June 25, 2024
- Buyer
- EverSmith Brands, The Riverside Company
- Target
- Prism Specialties
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
EverSmith Brands, a franchised commercial facilities platform owned by The Riverside Company, has acquired Prism Specialties, a leading franchisor of specialty restoration services for electronics, textiles, art and documents. The deal is an add-on to the EverSmith portfolio intended to expand capability and franchise coverage across commercial and residential restoration end markets; Prism's CEO Chris Ring will become Prism Brand President for EverSmith.
-
- Buyer
- The Riverside Company, PaleoWest
- Target
- Commonwealth Heritage Group, Inc.
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
The Riverside Company has added Commonwealth Heritage Group, Inc. (CHG), a Michigan-based cultural resource management firm, as an add-on to its PaleoWest platform. The acquisition expands PaleoWest’s geographic footprint and service capabilities—adding maritime/underwater archaeology—and creates a coast-to-coast cultural resources platform to better serve public- and private-sector clients on infrastructure and land-development projects.
-
- Buyer
- Titan Security Group, LLC, Quad-C Management, Inc.
- Target
- Prudential Security, Inc.
- Seller
- Prudential Security, Inc.
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
Titan Security Group, a Quad‑C Management portfolio company, has acquired the security staffing operation of Prudential Security, Inc., a Taylor, Michigan–based security solutions provider. The deal adds more than 700 team members and expands Titan's service footprint to 14 states; terms were not disclosed.
-
- Buyer
- Quatrro Business Support Services, Trivest Partners LP, VSS Capital Partners
- Target
- Apparatus Solutions
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
Quatrro Business Support Services, a finance-and-technology-as-a-service provider backed by Trivest and VSS, has acquired Detroit-based Apparatus Solutions, a team that supports the financial and talent strategy needs of nonprofit organizations. The deal is an add-on acquisition to expand Quatrro's nonprofit-focused service footprint and delivery capabilities nationwide, particularly in Greater Detroit.
-
- Buyer
- Guideboat Capital Partners
- Target
- Franworth
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Growth capital
Guideboat Capital Partners, a Dallas-based private equity firm, made a growth equity investment in Franworth to support the franchising shared-services platform’s expansion. The funding will help Franworth scale its talent, distribution and service capabilities and allow it to place capital into partner franchise brands while Guideboat’s Mike Sutton joins Franworth’s board.
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January 28, 2022
- Buyer
- Class Valuation, Gridiron Capital
- Target
- Metro-West Appraisal Co., LLC, Valuation Link, LLC
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
Class Valuation, a portfolio company of Gridiron Capital, has acquired Metro-West Appraisal Co., LLC and its partner Valuation Link. The add-on deal expands Class Valuation's nationwide staff appraiser network and appraisal management capabilities to strengthen service quality and turnaround times for mortgage lenders.
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December 22, 2021
- Buyer
- CJK Group, Inc.
- Target
- Tweddle Group
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Buyout
CJK Group, Inc. has acquired Tweddle Group, a provider of product support, content development, content management, and digital/print distribution solutions. Tweddle Group, headquartered in Clinton Township, Michigan with over 500 employees worldwide, will operate under CJK leadership to expand CJK's technology and service capabilities and diversify its offerings.
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October 14, 2021
- Buyer
- Frosch International Travel (FROSCH)
- Target
- Conlin Travel (corporate division)
- Seller
- Conlin Travel
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Buyout
Frosch International Travel purchased a 51% interest in the corporate division of Conlin Travel, a Michigan-based travel management firm, while Conlin retains full ownership of its leisure and specialty divisions. The partnership gives FROSCH a larger foothold in the Great Lakes region and provides Conlin access to FROSCH’s global operations platform and technology solutions, with Chris Conlin remaining as Managing Partner.
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September 27, 2021
- Buyer
- Strategic Resource Alternatives, Arena Investors, LP
- Target
- J.J. Marshall & Associates, Inc.
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
Strategic Resource Alternatives (SRA), a receivables management and outsourcing firm and portfolio company of Arena Investors, has completed the acquisition of Michigan-based debt recovery firm J.J. Marshall & Associates, Inc. The deal is an add-on to SRA’s platform to expand capabilities into landlord/tenant and medical receivables, strengthen litigation recovery expertise, and extend the company’s geographic footprint beyond Michigan.
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August 17, 2021
- Buyer
- The Riverside Company, CertaSite
- Target
- Premier Electronics
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
The Riverside Company has added Premier Electronics, a Michigan-based fire and life safety services firm, as an add-on to its CertaSite platform. The acquisition expands CertaSite’s technician capacity and Midwest footprint; Riverside plans to invest in sales & marketing, technician utilization tech and training, and cross-selling across the platform.
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- Buyer
- Alline Salon Group
- Target
- Four Supercuts salons (Livonia, Bloomfield Hills, Rochester Hills, Lake Orion, Michigan)
- Seller
- Regis Corporation
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
Alline Salon Group, the largest franchisee of Regis Corporation, has acquired four Supercuts salons located in Livonia, Bloomfield Hills, Rochester Hills and Lake Orion, Michigan. The salons will be folded into Alline's existing portfolio of Supercuts, Cost Cutters and Holiday Hair locations as part of the company's continued regional expansion.
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September 9, 2020
- Buyer
- Lexitas, Apax Partners
- Target
- Axiom Requisition
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
Lexitas, a portfolio company of funds advised by Apax Partners, has acquired Axiom Requisition, a Midwest-based medical record retrieval firm. The acquisition expands Lexitas' nationwide legal support services footprint and adds proprietary record-retrieval technology and capabilities to its offering.
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July 14, 2020
- Buyer
- Lexitas
- Target
- Lumen Legal
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Addon
Lexitas, a portfolio company of funds advised by Apax Partners, has acquired Michigan-based Lumen Legal. The acquisition expands Lexitas’ litigation services platform with legal staffing, document review and commercial contracts outsourcing capabilities to serve law firms, corporate legal departments and insurance companies nationwide.
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February 25, 2020
- Buyer
- Neighborly
- Target
- Dryer Vent Wizard
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Buyout
Neighborly, the Waco, Texas–based franchisor of home service brands, acquired Dryer Vent Wizard, a Farmington Hills, Michigan–based dryer vent cleaning franchisor. The deal adds nearly 100 franchise locations in the U.S. and Canada to Neighborly’s portfolio, expanding its network of home-service brands and increasing exposure to Neighborly’s customer base.
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January 9, 2019
- Buyer
- Salt Creek Capital
- Target
- Beauchamp Lawn & Snow Service, Inc.
- Seller
- Beauchamp Lawn & Snow Service, Inc. (founder Jerrad Beauchamp)
- Industry
- Professional Services
- Location
- Michigan, United States
- Type
- Buyout
Salt Creek Capital, a San Francisco Bay Area-based private equity firm, acquired the lawn- and snow-related assets of Beauchamp Lawn & Snow Service, Inc., a Brighton, Michigan provider of commercial grounds maintenance, landscape installation and snow removal. The transaction facilitates a founder succession/exit while positioning Beauchamp for growth under new leadership and Salt Creek’s platform strategy.
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Frequently Asked Questions
What types of professional services are being acquired in Michigan recently?
Recent Michigan deals include engineering/architecture, security services and integrations, HR outsourcing (PEO), employee benefits consulting/brokerage/administration, litigation advisory/forensic accounting, and appraisal management.
Are these acquisitions mostly local Michigan targets or broader-platform rollups?
Both appear. Several targets are Michigan-based (e.g., Ann Arbor, Metro Detroit, Grand Rapids, Flint, Troy, Sterling Heights), while buyers frame deals as expanding a broader regional or national platform.
Which buyers show up repeatedly on Michigan professional services acquisitions?
Recurring buyer names in the page facts include The Riverside Company, Lexitas, CertaSite, Class Valuation, Gridiron Capital, Strategic Resource Alternatives, Arena Investors, LP, and Security 101.
Do the transactions include add-on acquisitions?
Yes. Multiple entries are described as add-ons—such as EverSmith’s acquisition of Prism Specialties, Riverside/PaleoWest’s addition of Commonwealth Heritage Group, and Command Investigations’ acquisition of SuperiorX Investigations.