Professional services firms headquartered in Phoenix (2026 list)

These professional services firms in Phoenix are primarily mid-sized to large companies, with a strong presence in legal, environmental, and accounting sectors. Notable firms include Snell & Wilmer, a full-service business law firm founded in 1938, and SWCA Environmental Consultants, which provides comprehensive environmental planning and consulting. Exos offers holistic health coaching for various populations, while Centuri Group, Inc. specializes in infrastructure services for utilities. Accounting Offices provides financial expertise to businesses and individuals.

A recurring pattern among these companies is their focus on specialized consulting and support services. This includes firms like Chronicle Heritage, which manages heritage resources, and Telgian, offering fire, security, and life safety consulting. Many of these firms, such as Fennemore (founded 1885) and Lewis Roca (founded 1950), have long histories, indicating established expertise in their respective fields.

#	Company	Industry	Headquarters	Employees	Founded
1	Exos teamexos.com A holistic health coaching company specializing in evidence-based programs for elite athletes, corporate employees, first responders, and military personnel worldwide	Wellness and Fitness Services	🇺🇸 Phoenix	2,324	1999
2	Centuri Group, Inc.centuri.com Strategic infrastructure services company partnering with utilities to build, maintain energy networks delivering electricity and natural gas safely and sustainably.	Construction	🇺🇸 Phoenix	1,912	n/a
3	SWCA Environmental Consultants swca.com Experts deliver comprehensive solutions in environmental planning, permitting, cultural resource management, biological services, water resources management, air quality, and sustainability consulting.	Environmental Services	🇺🇸 Phoenix	1,746	1981
4	Accounting Offices Professional accounting services based in Phoenix, Arizona, offering financial expertise and support to businesses and individuals in the United States	Accounting	🇺🇸 Phoenix	1,465	n/a
5	Snell & Wilmer swlaw.com Established in 1938, this full-service business law firm with over 450 lawyers offers transactional and litigation legal services in various practice areas to a diverse client base	Law Practice	🇺🇸 Phoenix	1,305	1938
6	Accounting & Finance Professionals afprofessionals.com A full-service staffing and recruiting firm specializing in accounting/financial, administrative, and executive positions, committed to providing excellent service to job seekers and employers	Staffing and Recruiting	🇺🇸 Phoenix	1,102	1999
7	Fennemore fennemorelaw.com A legal firm providing innovative counsel to help clients navigate the complex business landscape, protect legal interests, identify opportunities, and thrive	Law Practice	🇺🇸 Phoenix	736	1885
8	Retail Options retail-options.com A search firm specializing in recruiting for businesses of all sizes in the US and Canada, with a focus on tough-to-fill positions and special projects	Retail	🇺🇸 Phoenix	643	2011
9	DAVIS thedavisexperience.com Specializing in Architecture, Interiors, and Urban Design, creating exceptional commercial and residential mixed-use properties to enhance quality of life in places people live, work, and gather	Architecture and Planning	🇺🇸 Phoenix	567	1991
10	Health Services Advisory Group, Inc. (HSAG)hsag.com Improves Medicare and Medicaid healthcare quality through reviews, surveys, and interventions, focusing on efficiency, access, and beneficiary outcomes.	Hospitals and Health Care	🇺🇸 Phoenix	503	1979
11	TriStar Digital Thread Solutions tristar.com The company specializes in Product Lifecycle Management, offering tailored solutions to optimize product development processes and achieve more profitable results	Business Consulting and Services	🇺🇸 Phoenix	415	1988
12	Chronicle Heritage chronicleheritage.com heritage resource management firm guiding public and private projects through regulatory challenges involving archaeological, architectural, and paleontological resources with innovative solutions	Environmental Services	🇺🇸 Phoenix	409	2006
13	eScribers, LLC escribers.net A transcription service specializing in accurate and efficient solutions for clients, focusing on quality, technology, and personalized service since 2005	Legal Services	🇺🇸 Phoenix	392	2005
14	Telgian telgian.com A trusted partner since 1985, providing innovative fire, security, and life safety consulting/engineering services globally to keep facilities safe, compliant, and on budget	Fire Protection	🇺🇸 Phoenix	374	1985
15	Lewis Roca lewisroca.com Legal and strategic industry experience firm in the western US, offering services in litigation, IP, business transactions, and regulatory compliance, with a focus on client satisfaction	Law Practice	🇺🇸 Phoenix	355	1950
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16	Consultant Engineering, Inc.cei-az.com Professional consulting firm specializing in construction management services with a dedicated team of engineers, inspectors, technicians, administrators, and support staff	Civil Engineering	🇺🇸 Phoenix	345	1996
17	LT laneterralever.com Innovative marketing agency specializing in various industries, providing impactful solutions and unforgettable customer experiences with expertise in strategy, analytics, content, and design	Advertising Services	🇺🇸 Phoenix	338	1962
18	Performance Software Corporation psware.com A software and systems engineering firm specializing in embedded avionics, medical device software, energy, and automotive solutions with a strong reputation in the industry	Engineering Services	🇺🇸 Phoenix	320	1998
19	NucleusTeq nucleusteq.com Specializing in digital and data transformation, our company empowers businesses with big-data, cloud, analytics, blockchain, automation, and mobility solutions	IT Services and IT Consulting	🇺🇸 Phoenix	318	2018
20	TheBest Claims Solutions thebestclaims.com A claims industry leader offering quality solutions through partnerships, providing claims services and recruiting top talent nationwide in various sectors	Insurance	🇺🇸 Phoenix	302	1997
21	The Call Center Group A-Z thecallcentergroupa-z.com A leading Call Center management and executive search firm in the US, specializing in recruiting Contact Center professionals and executives nationwide	Staffing and Recruiting	🇺🇸 Phoenix	225	2006
22	Vertech vertech.com Industrial control systems integration firm providing engineering and technical services, designing and building world-class control systems using top industry hardware and software	Automation Machinery Manufacturing	🇺🇸 Phoenix	222	2004
23	VHL Technologies Inc vhltec.com An IT services firm in the USA specializing in IT consulting, product development, infrastructure management, and staffing, with a focus on value delivery and trust	IT Services and IT Consulting	🇺🇸 Phoenix	209	2012
24	MO themostudio.com Designs intuitive and sustainable experiences for government leaders, using design thinking and human-centered design to solve complex challenges Values: Curiosity, Courage, Integrity	Technology, Information and Internet	🇺🇸 Phoenix	202	2016
25	SEG International azseg.com A leader in sustainable civil engineering site design, focusing on environmentally conscious approaches to land development projects nationwide	Civil Engineering	🇺🇸 Phoenix	116	2009
26	TFO Family Office Partners linktr.ee TFO Phoenix guides families in aligning their wealth with their goals through holistic advice in wealth planning, investment, tax, estate, and philanthropic planning	Financial Services	🇺🇸 Phoenix	78	2011
27	IMPACT Technology Recruiting goimpacttechnology.com An IT recruiting service dedicated to providing exceptional service by leveraging technology, experience, and building strong professional relationships for clients and candidates	Staffing and Recruiting	🇺🇸 Phoenix	74	2012
28	CAM camproperties.com A leading Arizona multifamily real estate company offering a fully integrated platform including property management, construction, marketing, and acquisition support	Real Estate	🇺🇸 Phoenix	55	1993
29	Position Sports positionsports.com A premium brand marketing firm specializing in sports integration strategy, event operations, media relations, and digital engagement for leading global brands	Spectator Sports	🇺🇸 Phoenix	53	2005
30	MGKS mgks.com Providing tailored retirement plan solutions for businesses nationwide, with a focus on quality service and personalized expertise from a credentialed staff	Financial Services	🇺🇸 Phoenix	36	1980

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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.

Professional services firms headquartered in Phoenix

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