Company lists · Data refreshed September 2026
Top 25 Public affairs consulting firms based in Canada
RevenueBase identified 295 public affairs consulting firms headquartered in Canada as of September 2026 and tracks 2,840 professional contacts across them, including 1,404 with verified work emails and 320 with mobile numbers. Toronto is the largest hub.
This list covers public affairs consulting firms headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest public affairs consulting firms based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 175 | ||||
“Founded in September 2011, TACT Intelligence-conseil is composed of a group of experienced, professional communicators seeking to create a Québec-owned consulting agency.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 130 | ||||
“Being right isn't enough.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 101 | ||||
“Enterprise is a national strategic communications firm with offices in Toronto, Ottawa, Edmonton, Halifax and Niagara.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 93 | ||||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 85 | ||||
“Stratcom is a full-service communications, opinion research and fundraising consulting firm with a simple mission: We help non-profits, advocacy groups and political candidates…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | Earnscliffe StrategiesIndirect evidence | 84 | |||
“Founded in 1989 and independently owned by our principals, Earnscliffe operates from offices in Ottawa-Gatineau, Toronto and Vancouver.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 77 | ||||
“Established in 1998, Sussex Strategy Group is Canada’s leading government relations, strategic communications, digital advocacy and business advisory agency.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 67 | ||||
“PAA is a national public affairs and strategic communications firm.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | Santis HealthIndirect evidence | 57 | |||
“Santis Health is a consultancy dedicated to providing value-added strategic advisory services to clients within the Canadian health care sector.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 44 | ||||
“Alberta Counsel offers effective public relations and legal services to our clients, from new ventures and not-for-profits to municipalities and multinational corporations.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 42 | ||||
“For more than 40 years, Argyle has been chosen by the world’s biggest brands, put big ideas onto the public agenda, and grown to become one of North America’s largest and most…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 41 | ||||
“To open minds, you need a clear thought.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 40 | ||||
“We’re a team of trusted advisors and strategists who understand government, public opinion and how to shape decisions at the highest levels.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 36 | ||||
“Emerging Ag is a boutique international consulting firm providing communications and public affairs services to clients in the agriculture, food, and health sectors.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 36 | ||||
“For over 25 years TACTIX has been a trusted advisor to leading Canadian and Fortune 500 companies, offering unparalleled experience in solving complex government relations threats…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 34 | ||||
“Wellington Advocacy is a national, full-service public affairs firm shaping government policy and public opinion for business leaders and global brands.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | Mcmillan VantageIndirect evidence | 34 | |||
“When you have a pressing challenge, McMillan Vantage has the senior expertise with a deep understanding of what you need to know, when you need it most.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 31 | ||||
“Fondée en 2010, Catapulte est une agence spécialisée en affaires publiques, en relations gouvernementales et en acceptabilité sociale.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 30 | ||||
“Compass Rose is a public affairs firm where helping companies and organizations find the common good is at the core of who we are and what we do.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 28 | ||||
“Building relationships for over 25 years, Impact Public Affairs is a full-service Canadian firm, based in Ottawa with offices in Toronto, Montreal, Vancouver, Calgary, and Halifax.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | Prairie SKY StrategyStrong evidence | 25 | |||
“Prairie Sky Strategy is a Canadian strategy, public affairs, stakeholder relations and business development consulting firm focused on Alberta, Saskatchewan, Manitoba and Ottawa.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 25 | ||||
“Nous sommes une firme de communications stratégiques et de relations gouvernementales.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 25 | ||||
“Morin Relations Publiques s’est développée en fonction des besoins des clients.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 25 | ||||
“A multi-national public affairs firm providing corporations, associations, and not-for-profit organizations with strategic advice and support in building connections to influence…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 24 | ||||
“Our team has over 350 years of combined consulting and fundraising experience with expertise in campaign planning, campaign management, leadership development, stakeholder…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 295 public affairs consulting firms based in Canada
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Public affairs consulting firms based in Canada at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among public affairs consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Canada whose own description of what they do matches “public affairs consulting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among public affairs consulting firms, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 1,404 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Public affairs consulting firms by metro
Frequently asked
How many public affairs consulting firms are there based in Canada?
RevenueBase identified 295 public affairs consulting firms headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
TACT, headquartered in Quebec, tops this list with the largest team on record.
Which city has the most public affairs consulting firms?
Toronto leads with 71 headquartered companies, followed by Ottawa (55) and Montreal (29).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,404 verified decision-maker contacts tracked across these 295 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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