
HOUSTON, TX, Apr 14, 2025 – Vortex Companies (Vortex) has announced the acquisition of McAllister Group (McAllister), a provider of trenchless water and sewer rehabilitation services in the UK and Ireland. McAllister, with more than 180 employees across four locations, offers environmental and infrastructure services to residential, commercial, and government clients.
“McAllister has an outstanding reputation in the industry, and its business model aligns seamlessly with our UK operations,” said Mike Vellano, CEO of Vortex Companies. “By leveraging Vortex’s additional technical expertise and resources, McAllister will be well-positioned to expand its service offerings and support larger, more complex projects in the years ahead.”
For more than five decades, McAllister has expanded its environmental service capabilities to meet the rising demand for sustainable, non-disruptive infrastructure rehabilitation. “Our partnership approach has helped us secure framework agreements that will drive our business for years to come,” said Dan Watson, SVP and Managing Director. “With Vortex’s support, we can boost our value, cut costs, and pursue larger framework contracts.”
“McAllister has continuously adapted to stay at the forefront of emerging technologies, ensuring top-tier service for its customers,” added Ryan Graham, COO of Vortex Companies. “Their ability to deliver turnkey solutions across commercial, industrial, and residential sectors—while also partnering with Tier 1 contractors and government agencies—positions them as a key player in the industry.”
“For 53 years, the McAllister name has been synonymous with delivering exceptional water and drain services to the industry,” concluded Vellano. “Leo and Pete McAllister have carried the company torch and continued to build on the company’s legacy of success. You can see it in the people they hire, their continuous investment in technology and process improvement, and the relationships they have with their customers.”
Source: Vortex Companies
About Vortex Companies
Vortex Companies, founded in 2015 and headquartered in Houston, TX, specializes in trenchless infrastructure rehabilitation solutions. The company offers a comprehensive suite of services and products, including coatings, geopolymer lining systems, liners, rehabilitation equipment, sewer rehabilitation robots, pipe sensors and software, and pipe and drain cleaning equipment. Serving municipal, industrial, commercial, and residential sectors worldwide, Vortex Companies has established a presence in the utilities industry. The company has expanded its operations to 25 locations worldwide and employs nearly 1,000 individuals. As of 2025, the company’s estimated annual revenue stands at approximately $54.5 million.
About McAllister Group
McAllister Group, established in 1971 in Newry, Northern Ireland, provides environmental and infrastructure services across the UK and Ireland. The company specializes in drainage maintenance, trenchless pipeline rehabilitation, CCTV pipeline investigations, and civil engineering services. McAllister serves a diverse clientele, including residential, commercial, and government sectors. The company’s commitment to innovation and quality positions it as a trusted partner in the environmental services industry.