# Best Social Media Marketing Agencies in Cardiff (2026)

If you need social media marketing help in Cardiff, United Kingdom, the agencies listed here have been rated by real clients. Pick an Agency lists 13 social media marketing agencies in Cardiff, including top-rated Gecko Brand & Digital Media and True SEO Consultants LTD (Agency for Organic & Local SEO), each with verified reviews and detailed performance ratings. With an average rating of 4.8★, 158 client reviews, you have real data to compare. Every profile includes ratings for performance, communication, value, and expertise - so you know what to expect. No paid placements.

13 agencies · Avg rating 4.8★ · 158 client reviews

## Ranked by review data

Showing 1-13 of 13.

1. [Gecko Brand & Digital Media](https://www.pickanagency.com/agencies/gecko-brand-digital-media-cardiff) - 5.0★ (53 reviews) - Cardiff, United Kingdom - Advertising, Media Buying, Digital Marketing
2. [True SEO Consultants LTD (Agency for Organic & Local SEO)](https://www.pickanagency.com/agencies/true-seo-consultants-ltd-agency-for-organic-local-seo-cardiff) - 5.0★ (29 reviews) - Cardiff, United Kingdom - Advertising, Digital Marketing, Social Media Marketing
3. [ThisIsUs.Digital](https://www.pickanagency.com/agencies/thisisus-digital-cardiff) - 5.0★ (18 reviews) - Cardiff, United Kingdom - Advertising, Media Buying, Digital Marketing
4. [Re-Imagine](https://www.pickanagency.com/agencies/re-imagine-cardiff) - 5.0★ (6 reviews) - Cardiff, United Kingdom - Advertising, Digital Marketing, Media Buying
5. [Station Rd. Marketing](https://www.pickanagency.com/agencies/station-rd-marketing-cardiff) - 5.0★ (4 reviews) - Cardiff, United Kingdom - Advertising, Digital Marketing, Media Buying
6. [MJV Media - Scaling with Systems. Digital Marketing Agency](https://www.pickanagency.com/agencies/mjv-media-scaling-with-systems-digital-marketing-agency-cardiff) - 5.0★ (3 reviews) - Cardiff, United Kingdom - Media Buying, Digital Marketing, Social Media Marketing
7. [Effective Communication PR Agency](https://www.pickanagency.com/agencies/effective-communication-pr-agency-cardiff) - 5.0★ (2 reviews) - Cardiff, United Kingdom - Social Media Marketing, Digital Marketing
8. [Digital Matters 360 | Digital Marketing Agency in Cardiff, Wales.](https://www.pickanagency.com/agencies/digital-matters-360-digital-marketing-agency-in-cardiff-wales-cardiff) - 5.0★ (1 review) - Cardiff, United Kingdom - Advertising, Media Buying, Digital Marketing
9. [Digital Marketing Expert 4 Hire | PPC, Paid Social & Display Freelancer](https://www.pickanagency.com/agencies/digital-marketing-expert-4-hire-ppc-paid-social-display-freelancer-cardiff) - 4.5★ (2 reviews) - Cardiff, United Kingdom - Digital Marketing, Social Media Marketing
10. [MOBO Media | UK](https://www.pickanagency.com/agencies/mobo-media-uk-cardiff) - 4.6★ (11 reviews) - Cardiff, United Kingdom - Media Buying, Digital Marketing, Social Media Marketing
11. [River & Bear Ltd](https://www.pickanagency.com/agencies/river-bear-ltd-cardiff) - 4.5★ (8 reviews) - Cardiff, United Kingdom - Advertising, Social Media Marketing
12. [So.Social Media](https://www.pickanagency.com/agencies/so-social-media-cardiff) - 4.6★ (18 reviews) - Cardiff, United Kingdom - Social Media Marketing
13. [Yogi Communications Ltd](https://www.pickanagency.com/agencies/yogi-communications-ltd-cardiff) - 3.7★ (3 reviews) - Cardiff, United Kingdom - Social Media Marketing

## Popular services in Cardiff

- [Advertising in Cardiff (50 agencies)](https://www.pickanagency.com/best-advertising-agencies/united-kingdom/cardiff)
- [Digital Marketing in Cardiff (48 agencies)](https://www.pickanagency.com/best-digital-marketing-agencies/united-kingdom/cardiff)
- [Media Buying in Cardiff (13 agencies)](https://www.pickanagency.com/best-media-buying-agencies/united-kingdom/cardiff)

## Social Media Marketing agencies in other United Kingdom cities

- [Social Media Marketing in London](https://www.pickanagency.com/best-social-media-marketing-agencies/united-kingdom/london)
- [Social Media Marketing in Birmingham](https://www.pickanagency.com/best-social-media-marketing-agencies/united-kingdom/birmingham)
- [Social Media Marketing in Leeds](https://www.pickanagency.com/best-social-media-marketing-agencies/united-kingdom/leeds)
- [Social Media Marketing in Manchester](https://www.pickanagency.com/best-social-media-marketing-agencies/united-kingdom/manchester)
- [Social Media Marketing in Sheffield](https://www.pickanagency.com/best-social-media-marketing-agencies/united-kingdom/sheffield)
- [Social Media Marketing in Bristol](https://www.pickanagency.com/best-social-media-marketing-agencies/united-kingdom/bristol)

## Frequently asked questions

### How many Social Media Marketing agencies are in Cardiff?

We currently list 13 Social Media Marketing agencies in Cardiff, United Kingdom, with an average rating of 4.8★ across 158 reviews. Gecko Brand & Digital Media is currently the top-rated. Browse their profiles and reviews to find the right partner.

### How do I choose a Social Media Marketing agency in Cardiff?

Compare agencies based on client reviews, campaign results, industry expertise, and pricing. Look for agencies in Cardiff with experience in social media marketing and a track record of delivering strong ROI.

### What should I expect to pay for Social Media Marketing services in Cardiff?

Pricing varies by scope and agency size, and most agencies don't publish rates. Agency profiles on Pick an Agency show a minimum budget when the agency discloses one. Request quotes from multiple agencies in Cardiff to compare.

### Can I hire a Social Media Marketing agency in Cardiff remotely?

Yes. Many Social Media Marketing agencies in Cardiff work with remote clients. While a local agency can offer in-person meetings, remote collaboration is standard in the industry and gives you access to a wider talent pool.

### How does Pick an Agency rank social media marketing agencies in Cardiff?

Rankings are computed, never sold. No agency can pay to appear higher, and we take no money from the agencies listed. The default order uses a credibility-weighted score rather than the raw star average: a rating only earns its full weight once there is a real volume of reviews behind it, so a perfect 5.0 built on two or three reviews does not outrank a strong score backed by hundreds. That correction matters, because most agencies in this index sit at or near a perfect 5.0, which makes the star average on its own close to meaningless. [See the full ranking methodology](https://www.pickanagency.com/methodology).

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