The professional services sector in Alberta includes a mix of established firms and specialized companies. MNP is a national accounting, tax, and business consulting firm. Softchoice provides IT solutions for agility and cloud migration. Precision Drilling offers services to the oil and gas industry. Critical Mass specializes in designing brand experiences.
Most of these larger professional services firms are concentrated in Calgary and Edmonton. Companies like WSP | MMM Group and Associated Engineering are prominent in civil engineering, while Bennett Jones is an internationally recognized law firm. AGAT Laboratories provides analytical solutions across various industries.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 9,798 | ||||
| 2 |
Softchoicesoftchoice.com
IT solutions provider enabling organizations to be agile and innovative, move to the cloud, create smarter workplaces, and make informed technology decisions for success |
2,839 | |||
| 3 |
Precision Drillingprecisiondrilling.com
A leading provider of safe and high-performance services to the oil and gas industry, offering drilling rigs, technology solutions, environmental stewardship, and support services |
2,802 | |||
| 4 |
Critical Masscriticalmass.com
Designing brand experiences, full-service digital agency, global presence, working with top brands, data-driven approach, focus on customer experience and innovative technologies |
1,810 | |||
| 5 |
WSP | MMM Groupwspgroup.ca
A Canadian multinational specializing in engineering consulting, urban planning, environmental remediation, and sustainable transportation solutions with a global presence |
1,788 | |||
| 6 |
Converge Technology Solutions Corp.pellera.com
A services-led IT & Cloud Solutions provider offering advanced analytics, cybersecurity, cloud platforms, and digital workplace offerings with global support |
1,709 | |||
| 7 |
SCM Insurance Serviceswww1.scm.ca
Provider of insurance claims adjusting, risk management, investigative, surveillance, forensic engineering, accounting services with innovative technology, expert staff, solid customer service across Canada and the United States |
1,604 | |||
| 8 |
IRISNDTirisndt.com
A full-service Nondestructive Testing and Materials Engineering company serving various industries worldwide with a focus on minimizing NDT and operating costs |
1,318 | |||
| 9 |
DIALOGdialogdesign.ca
Architects, urban planners, engineers, and landscape architects collaboratively improve communities and the environment through design and multidisciplinary solutions for urban vibrancy, health, and transportation. |
1,224 | |||
| 10 |
Bennett Jonesbennettjones.com
An internationally recognized Canadian law firm with over 500 lawyers, specializing in various sectors such as mergers and acquisitions, energy, finance, litigation, and public policy |
1,184 | |||
| 11 |
Associated Engineeringae.ca
A Canadian company specializing in building sustainable communities, providing engineering and environmental consulting services, and offering creative solutions for clients worldwide |
1,101 | |||
| 12 |
AGAT Laboratoriesagatlabs.com
Specialized Canadian provider of analytical solutions globally, offering accurate and timely services in various industries including environmental, mining, petroleum, and food testing |
1,034 | |||
| 13 |
Bantrel Co.bantrel.com
Established in 1983, the company specializes in EPC/CM services for energy, mining & infrastructure projects, focusing on safety, quality, & efficiency Headquarters in Calgary, with operations across Canada and globally |
1,029 | |||
| 14 |
ISLislengineering.com
ISL provides integrated community infrastructure services including planning, design, and construction management by assembling specialized teams for each project |
676 | |||
| 15 |
S.i. Systemssisystems.com
Canada's largest IT staffing agency connecting professionals with opportunities, helping individuals and businesses prosper through a 300,000-strong member network |
525 | |||
| 16 |
Vertex Resource Group Ltd.vertex.ca
A leading provider of environmental services for various industries, offering expertise in site selection, consultation, regulatory approval, construction, operation, maintenance, and cleanup |
519 | |||
| 17 |
MNC (Martin Newby Consulting Ltd.)mncl.ca
A geomatics engineering firm specializing in cadastral and parcel mapping, offering innovative data collection and geomatics solutions to clients worldwide |
476 | |||
| 18 |
Thurber Engineering Ltd.thurber.ca
An established Canadian consulting firm providing various engineering and testing services with a team of experienced professionals in multiple offices across Canada |
474 | |||
| 19 |
Equinox Engineering Ltd.equinox-eng.com
A global leader in EPCM services, specializing in gas processing, oil production, and sustainable energy solutions with a focus on quality and sustainability |
447 | |||
| 20 |
Tetra Tech EBAeba.ca
A values-based engineering and sciences organization offering diverse consulting services in Western and Northern Canada, emphasizing innovation, community improvement, and employee development |
432 | |||
| 21 |
Alinea Internationalalineainternational.com
Providing technical and management expertise to governments, investors, companies, and communities for sustainable development and lasting positive change worldwide. |
389 | |||
| 22 |
Vista Projectsvistaprojects.com
Integrated industrial engineering firm specializing in digital transformation of projects and operations, with a focus on efficient designs and project execution |
385 | |||
| 23 |
GeoVerrageoverra.com
A Canadian geomatics provider delivering land surveying, forestry, environmental, and geospatial solutions nationwide with a focus on outstanding service and community impact |
381 | |||
| 24 |
Bits In Glassbitsinglass.com
Award-winning software consulting firm with deep industry expertise and experience, providing innovative solutions for complex business challenges and partnering with top technology companies |
372 | |||
| 25 |
Primary Engineering and Constructionprimaryeng.com
An engineering and construction leader specializing in electrical distribution, transmission, substation, and telecommunications services, with a focus on customer satisfaction and project management |
371 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
Entuitiveentuitive.com
This company specializes in structural engineering, building envelope, restoration, and special projects consulting across various sectors, utilizing advanced technology for efficient design solutions globally |
366 | |||
| 27 |
Micro Engineering Tech Incmicroengineering.ca
A leading Geomatics and Engineering company offering consulting and product services for Oil & Gas, Construction, and digital infrastructure sectors |
346 | |||
| 28 |
Techversanttechversantinfotech.com
Global technology consulting and services provider offering innovative solutions and exceptional customer service to over 700 clients worldwide for profitable growth |
343 | |||
| 29 |
Field Lawfieldlaw.com
Western and northern regional law firm with over 100 years of experience, offering legal counsel to diverse clients and engaging in community initiatives |
337 | |||
| 30 |
GADgad3sign.com
A multicultural design company offering high-quality graphic, corporate identity, and industrial design services, focusing on innovation, communication, and tailored solutions for global clients |
330 | |||
| 31 |
Magna IV Engineering, A Sunbelt Solomon Companymagnaiv.com
With over 40 years of experience, we specialize in designing, testing, maintaining, and upgrading power, automation, control, and lighting systems to ensure safety and reliability |
316 | |||
| 32 |
Obsidian Engineeringobsidianeng.ca
A full-service EPCM with a small, experienced team providing efficient and cost-effective solutions for small to medium projects in the oil and gas industry |
313 | |||
| 33 |
Dig Insightsdiginsights.com
This tech-enabled consultancy helps insights teams answer 'what next' by empowering researchers, analysts, data scientists, and strategists with proprietary technology to unlock consumer opportunities. |
311 | |||
| 34 |
Hatfieldhatfieldgroup.com
Provides environmental and social services for private and public sector clients globally, specializing in aquatic ecology, contaminant monitoring, and biodiversity assessments for sustainable solutions. |
305 | |||
| 35 |
Phasor Engineering Incphasorengineering.ca
A technological leader in high voltage substation engineering, offering full-service engineering, commissioning, and panel fabrication services with single-source responsibility |
272 | |||
| 36 |
Burnet, Duckworth & Palmer LLPbdplaw.com
A boutique law firm in Calgary with innovative legal minds, specializing in corporate and litigation matters for clients in various sectors |
267 | |||
| 37 |
FBC Farm and Small Business Tax Consultantsfbc.ca
Specializing in farm and small business taxes, we offer year-round tax planning, on-site preparation, consultation, and audit protection services |
258 | |||
| 38 |
Sproulesproule.com
Global energy consulting firm providing trusted and independent analysis, optimizing operational performance, and advising on M&A transactions and energy markets Headquarters in Calgary |
257 | |||
| 39 | 245 | ||||
| 40 |
AGRI-TRENDagri-trend.com
A leading agricultural coaching firm offering sustainable solutions, technical support, and expertise to help farmers grow profitable crops worldwide |
233 | |||
| 41 |
Matrix Solutions Inc.onterris.com
A leading provider of environmental consulting and engineering services, delivering innovative solutions for infrastructure, energy, oil & gas, and mining sectors globally |
221 | |||
| 42 |
Tetranex Solutions Inc.tetranex.com
A multi-discipline engineering specializing in industrial automation, electrical systems, process engineering, and instrumentation solutions for various industries with extensive project implementation experience |
197 | |||
| 43 | 191 | ||||
| 44 |
primeHR Inc.primehr.ca
Specialized compensation administration and outsourcing consulting for small to mid-sized companies in Alberta, Canada, focusing on employee compensation plans and program management |
182 | |||
| 45 |
Irwin's Safety and Industrial Labour Services Ltdirwinsafety.com
Industrial workforce and safety training provider for the oil and gas industry, specializing in plant turnarounds, technical services, safety consulting, and safety training |
175 | |||
| 46 | 120 | ||||
| 47 |
Reimaginereimagine.ca
The company focuses on a positive and sustainable approach to architecture, emphasizing regeneration and a happy journey to achieve it |
101 | |||
| 48 |
ARC Business Solutions Inc.arcbus.com
It provides IT and business solutions across various sectors, including healthcare and finance, with services like managed services and consulting. |
65 | |||
| 49 |
ASCENTascnltd.com
A Canadian company providing engineering services for the oil and gas industry, specializing in facility planning, design, construction, and operational support |
53 | |||
| 50 |
Journey Engineering Corporationjourneyengineering.com
A progressive consulting firm specializing in civil, process, mechanical, and electrical engineering services for the energy industry Building successful assets collaboratively |
52 | |||
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How this list is built
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.
More company lists in Alberta
- The largest companies in Alberta 1,391
- Oil and Gas companies in Alberta 314
- Energy companies in Alberta 267
- Multinational companies in Alberta 240
- Critical infrastructure operators in Alberta 124
- Manufacturers in Alberta 113
- Retail chains in Alberta 101
- Construction companies in Alberta 83
- Hardware manufacturers in Alberta 76
- Logistics companies in Alberta 76
- Companies with in-house R&D in Alberta 74
- Public sector organisations in Alberta 71
- Publicly traded companies in Alberta 68
- Education providers in Alberta 64
- Financial services firms in Alberta 57
- Truck Transportation companies in Alberta 55
- Consulting firms in Alberta 54
- SaaS companies in Alberta 54
- Distributors and wholesalers in Alberta 53
- Corporate groups and holding companies in Alberta 50
- IT Services and IT Consulting companies in Alberta 47
- Software Development companies in Alberta 45
- Healthcare providers in Alberta 41
- IT services companies in Alberta 39
The same list elsewhere in Canada
- Professional services firms in Canada 481
- Professional services firms in Ontario 211
- Professional services firms in the province of Quebec 103
- Professional services firms in British Columbia 59
- Professional services firms in Toronto 117
- Professional services firms in Montreal 65
- Professional services firms in Calgary 55
- Professional services firms in Vancouver 34