Company lists · Data refreshed September 2026
Top 25 Political consulting firms based in Canada
RevenueBase identified 76 political consulting firms headquartered in Canada as of September 2026 and tracks 807 professional contacts across them, including 396 with verified work emails and 101 with mobile numbers. Ottawa is the largest hub.
This list covers political 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 political consulting firms based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 24 | ||||
“Sandstone Group Sandstone Group, based in Ottawa, specializes in providing strategic advice to corporate executives in matters of public affairs, government relations, crisis…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 23 | ||||
“COPTICOM, Stratégies et relations publiques, est une firme de services-conseils spécialisée dans les dossiers d’affaires publiques.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 22 | ||||
“Canadian Strategy Group (CSG) was founded in 2008 in the heart of Alberta’s capital.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 20 | ||||
“MERCURE Conseil est une firme-conseil boutique spécialisée en affaires publiques et gouvernementales ainsi qu’en communication corporative et financière.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 19 | ||||
“Helping you shape policy, reputation and growth.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 19 | ||||
“Iris Communications is an integrated strategic communication, government relations and public affairs firm.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 18 | ||||
“Bluesky Strategy Group delivers public affairs, strategic communications, government relations, and media relations advice and execution.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 18 | ||||
“Sutherland is a full-service communications, public affairs, and government relations firm.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 | ||||
“At the Armstrong Strategy Group, we know that relationships and experience matter.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 | ||||
“Prospectus Associates is one of Canada’s leading national public affairs consulting firms that prides itself on delivering high-end personalized service by experienced…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 | ||||
“Your organization needs partners who are specialists.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 | ||||
“NorthStar Public Affairs is a boutique public affairs agency which services those in need of smart, effective strategies and support for navigating Canadian politics and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 | ||||
“Composé d’experts aguerris, Leliken sait vous guider dans les tempêtes les plus rudes.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 | ||||
“Located in the heart of Canada's capital just minutes away from Parliament Hill, Constituent Manager Solutions provides advisory, communications, digital, data management and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 | ||||
“We’re an independent consulting firm that provides expert, affordable public and government relations services including: Advocacy Grants and Funding Support Policy Communications…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 | ||||
“We are a firm with decades of combined experience in political, public service, regulatory and association leadership working at all levels of government in jurisdictions across…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 | ||||
“Upstream Strategy Group is a full-service public relations, government relations, and strategy firm.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Grassroots Public AffairsIndirect evidence | 4 | |||
“Grassroots Public Affairs excels in helping businesses and industry associations craft and execute effective communication strategies for their government and public relation…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 76 political consulting firms based in Canada
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Political 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 political 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 “political 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 political 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, 396 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.
Frequently asked
How many political consulting firms are there based in Canada?
RevenueBase identified 76 political 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?
Enterprise Canada, headquartered in Toronto, tops this list with the largest team on record.
Which city has the most political consulting firms?
Ottawa leads with 20 headquartered companies, followed by Toronto (14) and Montreal (8).
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 396 verified decision-maker contacts tracked across these 76 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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