# Best Advertising Agencies in London (2026)

Finding the right advertising agency in London is easier when you have verified client reviews to guide you. Explore 78 advertising agencies in London, including top-rated Nautilus Marketing and Loving Social Media, with real client feedback covering quality, responsiveness, and results. With an average rating of 5.0★, 1,519 client reviews, budgets starting from $5k/month, you have real data to compare. Compare pricing, team sizes, and industry focus to find the agency that fits your goals and budget in 2026. No paid placements.

78 agencies · Avg rating 4.8★ · 2,750 client reviews

## Ranked by review data

Showing 1-30 of 78.

1. [Nautilus Marketing](https://www.pickanagency.com/agencies/nautilus-marketing-london) - 5.0★ (180 reviews) - London, United Kingdom - Advertising, Digital Marketing
2. [Loving Social Media](https://www.pickanagency.com/agencies/loving-social-media-london) - 5.0★ (154 reviews) - London, United Kingdom - Advertising, Digital Marketing
3. [Connect Media Group](https://www.pickanagency.com/agencies/connect-media-group-london) - 5.0★ (141 reviews) - London, United Kingdom - Advertising
4. [Why Media](https://www.pickanagency.com/agencies/why-media-london) - 5.0★ (111 reviews) - London, United Kingdom - Advertising
5. [London Marketing Company - Marketing | Web Design | SEO Agency London](https://www.pickanagency.com/agencies/london-marketing-company-marketing-web-design-seo-agency-london-london) - 5.0★ (101 reviews) - London, United Kingdom - Advertising, Media Buying, Digital Marketing
6. [Bay Media](https://www.pickanagency.com/agencies/bay-media-london) - 5.0★ (78 reviews) - London, United Kingdom - Advertising
7. [Gifta - Influencer Marketing Agency](https://www.pickanagency.com/agencies/gifta-influencer-marketing-agency-london) - 5.0★ (71 reviews) - London, United Kingdom - Advertising, Social Media Marketing
8. [Visionary Marketing | Digital Marketing Agency London](https://www.pickanagency.com/agencies/visionary-marketing-digital-marketing-agency-london-london) - 5.0★ (66 reviews) - London, United Kingdom - Advertising, Digital Marketing, Media Buying
9. [Optisearch - Google Ads & SEO Agency](https://www.pickanagency.com/agencies/optisearch-google-ads-seo-agency-london) - 5.0★ (63 reviews) - London, United Kingdom - Advertising, Digital Marketing, Media Buying
10. [Engage Branding](https://www.pickanagency.com/agencies/engage-branding-london) - 5.0★ (43 reviews) - London, United Kingdom - Advertising
11. [KOTA Design Agency](https://www.pickanagency.com/agencies/kota-design-agency-london) - 5.0★ (33 reviews) - London, United Kingdom - Advertising
12. [Byter - Digital Marketing & Social Media](https://www.pickanagency.com/agencies/byter-digital-marketing-social-media-london) - 5.0★ (31 reviews) - London, United Kingdom - Advertising, Digital Marketing, Media Buying
13. [AD Virals Media Agency - London Office](https://www.pickanagency.com/agencies/ad-virals-media-agency-london-office-london) - 5.0★ (26 reviews) - London, United Kingdom - Media Buying, Advertising
14. [Influence Digital](https://www.pickanagency.com/agencies/influence-digital-london) - 5.0★ (24 reviews) - London, United Kingdom - Advertising
15. [Our Own Brand](https://www.pickanagency.com/agencies/our-own-brand-london) - 5.0★ (22 reviews) - London, United Kingdom - Social Media Marketing, Branding, Advertising
16. [Jain marketing Vista ltd// Best Digital Marketing Agency in London UK// 3D, CGI,VFX Video](https://www.pickanagency.com/agencies/jain-marketing-vista-ltd-best-digital-marketing-agency-in-london-uk-3d-cgi-vfx-video-london) - 5.0★ (21 reviews) - London, United Kingdom - Advertising, Digital Marketing, Social Media Marketing
17. [PPC Marketing Agency for SaaS | London | Two Spouts](https://www.pickanagency.com/agencies/ppc-marketing-agency-for-saas-london-two-spouts-london) - 5.0★ (17 reviews) - London, United Kingdom - Advertising, Media Buying, Digital Marketing
18. [Wolfable UK - Digital Marketing Agency in London](https://www.pickanagency.com/agencies/wolfable-uk-digital-marketing-agency-in-london-london) - 5.0★ (15 reviews) - London, United Kingdom - Advertising
19. [PN Digital SEO Agency London](https://www.pickanagency.com/agencies/pn-digital-seo-agency-london-london) - 4.9★ (83 reviews) - London, United Kingdom - Advertising, Digital Marketing
20. [Make Agency](https://www.pickanagency.com/agencies/make-agency-london) - 4.9★ (77 reviews) - London, United Kingdom - Advertising
21. [The Modern Agency](https://www.pickanagency.com/agencies/the-modern-agency-london) - 5.0★ (12 reviews) - London, United Kingdom - Advertising
22. [Collective London](https://www.pickanagency.com/agencies/collective-london-london) - 5.0★ (11 reviews) - London, United Kingdom - Advertising, Digital Marketing
23. [Medico Digital](https://www.pickanagency.com/agencies/medico-digital-london) - 4.9★ (53 reviews) - London, United Kingdom - Advertising
24. [Paradise Agency](https://www.pickanagency.com/agencies/paradise-agency-london) - 5.0★ (8 reviews) - London, United Kingdom - Advertising
25. [Dream Digital Agency](https://www.pickanagency.com/agencies/dream-digital-agency-london) - 4.9★ (28 reviews) - London, United Kingdom - Advertising
26. [Y&R London](https://www.pickanagency.com/agencies/y-r-london-london) - 4.9★ (20 reviews) - London, United Kingdom - Advertising, Media Buying, Social Media Marketing
27. [Institute of Practitioners in Advertising](https://www.pickanagency.com/agencies/institute-of-practitioners-in-advertising-london) - 4.9★ (17 reviews) - London, United Kingdom - Advertising
28. [Publicis Pro](https://www.pickanagency.com/agencies/publicis-pro-london) - 5.0★ (5 reviews) - London, United Kingdom - Advertising
29. [Creative agency London](https://www.pickanagency.com/agencies/creative-agency-london-london) - 5.0★ (4 reviews) - London, United Kingdom - Advertising, Digital Marketing
30. [SGK](https://www.pickanagency.com/agencies/sgk-london) - 5.0★ (4 reviews) - London, United Kingdom - Advertising, Branding, Content Marketing

## Popular services in London

- [Digital Marketing in London (92 agencies)](https://www.pickanagency.com/best-digital-marketing-agencies/united-kingdom/london)
- [SEO in London (65 agencies)](https://www.pickanagency.com/best-seo-agencies/united-kingdom/london)
- [Social Media Marketing in London (50 agencies)](https://www.pickanagency.com/best-social-media-marketing-agencies/united-kingdom/london)
- [Media Buying in London (43 agencies)](https://www.pickanagency.com/best-media-buying-agencies/united-kingdom/london)

## Advertising agencies in other United Kingdom cities

- [Advertising in Glasgow](https://www.pickanagency.com/best-advertising-agencies/united-kingdom/glasgow)
- [Advertising in Leeds](https://www.pickanagency.com/best-advertising-agencies/united-kingdom/leeds)
- [Advertising in Edinburgh](https://www.pickanagency.com/best-advertising-agencies/united-kingdom/edinburgh)
- [Advertising in Manchester](https://www.pickanagency.com/best-advertising-agencies/united-kingdom/manchester)
- [Advertising in Sheffield](https://www.pickanagency.com/best-advertising-agencies/united-kingdom/sheffield)
- [Advertising in Liverpool](https://www.pickanagency.com/best-advertising-agencies/united-kingdom/liverpool)

## Frequently asked questions

### How many Advertising agencies are in London?

We currently list 78 Advertising agencies in London, United Kingdom, with an average rating of 4.8★ across 2,750 reviews. Nautilus Marketing is currently the top-rated. Browse their profiles and reviews to find the right partner.

### How do I choose an Advertising agency in London?

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

### What should I expect to pay for Advertising services in London?

Pricing varies by scope and agency size, and most agencies don't publish rates. Among the Advertising agencies in London listed here that disclose a minimum budget, project minimums start at $5,000/month. Request quotes from multiple agencies to compare.

### Can I hire an Advertising agency in London remotely?

Yes. Many Advertising agencies in London 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 advertising agencies in London?

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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