Best Marketing Agencies in Montreal (2026): How to Choose the Right One

Full disclosure: we’re Nexa Solutions, a small digital marketing agency in Montreal. We’re in this list, but we didn’t put ourselves first. The most useful thing we can tell you is which kind of agency fits your business, so that’s how this guide is organized.

Montreal has a strong, varied agency scene, from creative shops that run national campaigns to small teams that live inside Google Ads and Google Maps. “Best” depends entirely on what you need. The agency behind a national TV campaign is rarely the right team to fill a Laval clinic’s calendar or lower a Shopify store’s cost per sale, and the reverse is true too.

Below: the four kinds of agencies you’ll find in Montreal, well-known names in each, and seven questions that tell you whether any agency, including us, is the right fit.

The four kinds of marketing agencies in Montreal

Well-known Montreal agencies by type

We kept each description to broad, public facts. Agencies merge, rebrand and change focus, so check each one’s own website before you reach out.

Full-service creative

Sid Lee. A Montreal-born creative agency with an international footprint, headquartered at Place Ville Marie. Known for brand, campaign and experiential work.

lg2. An independent creative agency with offices in Montreal, Quebec City and Toronto, and one of the largest independent agencies in Canada. Strong presence in the Quebec market.

Cossette. One of Canada’s best-known agencies, founded in Quebec City, with an office in Montreal. Known for national brand campaigns.

Digital and data

Adviso. A Montreal digital consultancy known for analytics, data and digital marketing strategy, including paid media and SEO.

Performance marketing

Dialekta. A Montreal media and performance marketing agency (media buying, search, SEO and analytics) with an office in Paris. It joined Groupe LG2 in 2025.

Digitad. A Montreal web marketing agency focused on SEO, online advertising and web strategy. It’s now part of the Intégral group.

Local, e-commerce and boutique

Nexa Solutions. That’s us. A small, bilingual Montreal agency for e-commerce brands and local businesses: Google Ads, Facebook and Instagram ads, Klaviyo email, local SEO and Shopify stores. We stay small on purpose, so clients work directly with the people doing the work.

Where to find more

Directories like Clutch, DesignRush, Sortlist and helloDarwin list hundreds of Montreal agencies with client reviews. Use them to build a shortlist, then use the questions below to narrow it down.

7 questions to ask before you hire any agency

1. Who will actually work on my account? At large agencies, senior people often pitch and junior people execute. Ask for names and roles, and whether you can talk to them directly.

2. What will you measure, and how often will I see it? Good answers name business numbers: revenue, ROAS (return on ad spend: the revenue you get for every dollar spent on ads), cost per lead, calls, bookings. Be careful with reports built on impressions and clicks alone.

3. Who owns the ad accounts, the data and the website? You should. If the agency builds your Google Ads account or Shopify store, it should be in your name, with the agency added as a user.

4. How long is the contract? Long lock-ins protect the agency, not you. Month-to-month plans with a notice period keep everyone honest.

5. Can you work in French and English? In Montreal, your customers search and buy in both languages. Ads, emails and pages should be written for Quebec customers, not run through a translation tool, and your French must meet Quebec’s language rules.

6. What would you do in the first 90 days? A good agency gives you a clear plan: an audit, tracking fixes, quick wins, then tests. Vague promises (“we’ll boost your brand awareness”) are a warning sign.

7. Have you worked with businesses like mine? A team that knows e-commerce or local services will spend less of your budget learning. Ask for examples in your industry or at your size.

What does a Montreal marketing agency cost?

It varies widely by type:

• Creative agencies usually work on large retainers and campaign budgets, often out of reach for small businesses.
• Performance agencies usually charge a monthly management fee, and your ad budget is paid separately to Google or Meta. Our plans, for example, start at $899 a month for ad budgets of $1,000 to $2,000.
• Local SEO and specialist work is usually a monthly plan or a fixed project.

For a detailed breakdown, see our guide to digital marketing agency pricing in Canada.

Frequently asked questions

What’s the best marketing agency in Montreal?

There isn’t one best agency for everyone. For a national brand campaign, a large creative agency. For measurable sales from ads, a performance agency. For more calls from Google Maps, a local SEO specialist. Start with what you need, then shortlist two or three agencies of that type.

Should I choose a big agency or a small one?

Big agencies bring more services under one roof. Small agencies usually give you senior people and more attention. If your budget is under a few thousand dollars a month, a small, specialized agency usually gets more out of it.

Do I need an agency that works in French?

If you sell to customers in Quebec, yes. Your ads, emails and website need natural French, and French has to be at least as prominent as English.

Looking for a small, bilingual team?

If you’re an e-commerce brand or a local business in Montreal and want to work directly with the people running your ads, email and SEO, book a free strategy call. If we’re not the right fit, we’ll tell you.

Comparing agencies across the country? See our guide to the top marketing agencies in Canada and our checklist for choosing the right online marketing agency.