Company lists · Data refreshed September 2026

Top 24 Festival marketing agencies based in London, United Kingdom

RevenueBase identified 66 company matches for festival marketing agencies associated with London, United Kingdom as of September 2026 and tracks 368 professional contacts across them, including 103 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for festival marketing agencies associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
66Companies
368Contacts tracked
103Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest festival marketing agencies based in London, United Kingdom

Ranked by team size
Top 24 of 66 company matches for festival marketing agencies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5041 contacts →

Exact match

“Mainstage Festivals is a market leader in overseas festivals.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5021 contacts →

Exact match

“Event & Experiential marketing agency with an advertising touch.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-1020 contacts →

Exact match

“MAD//Fest London - The UK’s biggest, buzziest + boldest marketing festival is back on 7-9 July 2026 for 3 explosive days of superstar speakers, networking, brand innovation…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“We Are The Fair - an independent and award-winning live event production agency, building large-scale festivals and events in the UK, Europe and beyond.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“Continental Drifts is one of the UK's most dynamic and cutting edge events organisations; a live event company bursting at the seams with talented and friendly production…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“We are full-service creative events producers with over 20 years of experience.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5011 contacts →

Exact match

“Award-winning music and event marketing agency shaping the future of electronic music.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-109 contacts →

Exact match

“Within one cosy office and at the touch of a button Lock N Load Events can find you a venue, book the talent, book the travel & accommodation, design the artwork, build a website…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-107 contacts →

Exact match

“We turn ideas into reality 🧑🤝🧑 For agencies - That require a Live Event Production department on tap, enabling you to deliver activations at scale, with ease.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-106 contacts →

Exact match

“Founded by Katie Bignell (nee McCullough), Festival Formula is the culmination of more than 19+ years of experience strategising films for the competitive festival circuit.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-106 contacts →

Exact match

“We are an independent Sponsorship and Brand Partnerships Agency who specialises in creating and negotiating collaborative partnerships, activation concepts and marketing campaigns…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Brand Activation & Experiential Agency.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Full Fat 360 is an award-winning live entertainment company and promoter, creating and delivering concerts, festivals, stadium shows and unique live experiences across the UK and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Most festivals sell tickets.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-104 contacts →

Exact match

“AGN Events is an award winning agency specialising in delivering a wide range of events such as large scale festivals, fan zones and bespoke pop up venues.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-104 contacts →

Exact match

“I Like The Sound Of That is a music marketing and experiential agency delivering brand partnerships and creative consultancy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-103 contacts →

Exact match

“The Agency Cleo is a 360° agency delivering iconic events across the UK and globally.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Cult is a creative event management agency with a core focus on designing, producing and delivering live events.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Helter Skelter is an event and experiential marketing agency for ambitious brands who want a different approach.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Triangle Projects (UK) is an British independent production agency crafting powerful live entertainment experiences.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-102 contacts →

Exact match

“KBM has been programming and booking festivals, events, venues and parties for 20 years, our portfolio has included: The Hop Farm Music Festival, BS3 Festival, SMK Live, Polygon…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-501 contacts →

Exact match

“We have over 10 years of specialist experience creating Extraordinary Corporate Festivals; with or without glamping.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-101 contacts →

Exact match

“We create beautiful, bespoke festival events for our corporate clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-101 contacts →

Exact match

“We offer plug-in marketing support for events, festivals, media owners and immersive experiences.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 24 of 66 festival marketing agencies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 103 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Festival marketing agencies based in London, United Kingdom at a glance

As of Sep 28, 2026
28.0%Verified-email coverage
5.6Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
18
51-200
2

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 66 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with London, United Kingdom whose business descriptions match “festival marketing agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 103 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “festival marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many festival marketing agencies are there based in London, United Kingdom?

RevenueBase identified 66 company matches for festival marketing agencies associated with London, United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Mainstage tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most festival marketing agencies?

London leads the United Kingdom with 66 company records, followed by Bristol (7) and Manchester (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 103 professional contacts with verified work emails tracked across these 66 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 66 festival marketing agencies based in London, United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.