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MAD//Fest London 2027: 197 exhibitors & sponsors

MAD//Fest London 2027 has 197 exhibitors and sponsors listed so far, heading to London, United Kingdom from 20 countries. Performance / Growth / Adtech is the biggest block on the floor at 16% of the companies we matched, ahead of advertising & media agencies and social & influencer / content. 121 of them were also at MAD//Fest London 2026; 44 from that list aren’t on this one yet.

6–8 Jul 2027The Truman Brewery, London, United KingdomOfficial site ↗
197
exhibitors & sponsors listed so far
as of 5 Nov 2026
20
headquarters countries
most from United Kingdom
73%
of MAD//Fest London 2026's exhibitors are back
121 companies
15,000
expected visitors
organiser’s figure

The show floor, by sector

Each square is a company we matched to a profile, grouped by its main sector. Performance / Growth / Adtech makes up 16% of MAD//Fest London 2027; the gray block is the other 35 sectors combined.

  • Performance / Growth / Adtech 24 · 16%
  • Advertising & Media Agencies 22 · 15%
  • Social & Influencer / Content 8 · 5.4%
  • Data & Analytics 8 · 5.4%
  • Market Research & Insights 7 · 4.7%
  • IT Services & Consulting 6 · 4%
  • Everything else 74 · 50%

Each square is one company.

Who exhibits at MAD//Fest London

Company size and headquarters for the 152 exhibitors we matched. A mid-market floor: 35% have 51–1,000 employees.

Company size (employees)
  • 11 · <1%
  • 2–1018 · 12%
  • 11–5044 · 29%
  • 51–20031 · 20%
  • 201–50014 · 9.2%
  • 501–1,0008 · 5.3%
  • 1,001–5,00021 · 14%
  • 5,001–10,0007 · 4.6%
  • 10,001+8 · 5.3%
Headquarters country
  • United Kingdom79 · 52%
  • United States31 · 20%
  • France7 · 4.6%
  • Australia4 · 2.6%
  • Germany4 · 2.6%
  • Canada3 · 2%
  • Switzerland3 · 2%
  • Sweden2 · 1.3%
  • United Arab Emirates2 · 1.3%
  • Türkiye2 · 1.3%

121 came back from 2026

Comparing MAD//Fest London 2027’s list with MAD//Fest London 2026. For organisers, the companies that haven’t re-booked yet are the warmest list there is — they already know the show.

Not listed yet44were at MAD//Fest London 2026, not on the list so far MAD//Fest London 2027
Returning121at both — 73% of MAD//Fest London 2026’s companies
New76first seen at MAD//Fest London 2027 — 39% of this year’s list
At 2026, not listed yet
  • TagAdvertising & Media Agencies · 1,001–5,000 staff · United Kingdom
  • Mogl (Formerly Ventura Growth)Advertising & Media Agencies · 11–50 staff · United States
  • dunnhumbyData & Analytics · 1,001–5,000 staff · United Kingdom
  • NielsenIQMarket Research & Insights · 10,001+ staff · United States
  • EPAM SystemsIT Services & Consulting · 10,001+ staff · United States
  • LocalaPerformance / Growth / Adtech · 51–200 staff · France
  • Havas Media EspañaAdvertising & Media Agencies · 501–1,000 staff · Spain
  • RTL AdAllianceAdvertising & Media Agencies · 201–500 staff
New for 2027
  • HavasAdvertising & Media Agencies · 10,001+ staff · France
  • PubMaticPerformance / Growth / Adtech · 501–1,000 staff · United States
  • VCCPAdvertising & Media Agencies · 501–1,000 staff · United Kingdom
  • SAMYAdvertising & Media Agencies · 1,001–5,000 staff · Spain
  • FLIGHTSTORYSocial & Influencer / Content · 201–500 staff
  • Bauer Media Outdoor UKAdvertising & Media Agencies · 501–1,000 staff · United Kingdom
  • LinneyAdvertising & Media Agencies · 1,001–5,000 staff · United Kingdom
  • The Ingenuity GroupAdvertising & Media Agencies · 51–200 staff · United Kingdom

MAD//Fest London 2027 exhibitor list

The first 25 of 197: sponsors and exhibitors from the show’s core sectors first. The full list adds every company, its website, and the people to contact.

CompanyIndustrySizeHQRole
Kantar
kantar.com
Market Research & Insights10,001+United KingdomSponsor
Havas
havas.com
Advertising & Media Agencies10,001+FranceSponsor
Hootsuite
Social & Influencer / Content1,001–5,000CanadaSponsor
VML
vml.com
Advertising & Media Agencies10,001+United StatesSponsor
Epsilon
epsilon.com
Performance / Growth / Adtech5,001–10,000United StatesSponsor
Experian
experianplc.com
Data & Analytics10,001+United StatesSponsor
PubMatic
pubmatic.com
Performance / Growth / Adtech501–1,000United StatesSponsor
Sportradar
sportradar.com
Data & Analytics1,001–5,000SwitzerlandSponsor
Cint
cint.com
Market Research & Insights1,001–5,000SwedenSponsor
Dynata
dynata.com
Market Research & Insights5,001–10,000United StatesSponsor
Taboola
taboola.com
Performance / Growth / Adtech1,001–5,000United StatesSponsor
Optimizely
optimizely.com
Data & Analytics1,001–5,000United StatesSponsor
Klaviyo
klaviyo.com
Performance / Growth / Adtech1,001–5,000United StatesSponsor
SPORTFIVE
sportfive.com
Advertising & Media Agencies1,001–5,000—Sponsor
AppsFlyer
appsflyer.com
Performance / Growth / Adtech1,001–5,000United StatesSponsor
Attentive
attentive.com
Performance / Growth / Adtech1,001–5,000United StatesSponsor
StackAdapt
go.stackadapt.com
Performance / Growth / Adtech1,001–5,000CanadaSponsor
LiveRamp
liveramp.com
Data & Analytics1,001–5,000United StatesSponsor
VCCP
vccp.com
Advertising & Media Agencies501–1,000United KingdomSponsor
Awin Global
awin.link
Performance / Growth / Adtech1,001–5,000GermanySponsor
SAMY
samy.com
Advertising & Media Agencies1,001–5,000SpainSponsor
FLIGHTSTORY
flightstory.com
Social & Influencer / Content201–500—Sponsor
Innovid
innovid.com
Performance / Growth / Adtech501–1,000United StatesSponsor
Tracksuit
gotracksuit.com
Market Research & Insights201–500New ZealandSponsor
Comcast Advertising
comcastadvertising.com
Performance / Growth / Adtech5,001–10,000United StatesSponsor
Want all 197 MAD//Fest London companies, with the people to contact?

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MAD//Fest London exhibitors also show up at

The events sharing the most exhibitors with MAD//Fest London 2027. 100% of the companies we matched here also exhibit at MAD//UpNorth 2027.

What people do with this list

Selling to exhibitors

Book meetings before MAD//Fest London opens

We'll walk you through all 197 companies and the decision-makers at each, then RocketSDR can research every account and write the outreach. Start now and you’re in their calendar before the show floor fills up.

Running an event

Find sponsors among companies that exhibit at shows like this

Exhibitors at MAD//Fest London and MAD//UpNorth already budget for events in your space. We find the ones that fit your audience and the person who signs off on sponsorship.

MAD//Fest London 2027: quick answers

How many companies exhibit at MAD//Fest London 2027?

197 companies are listed as exhibitors or sponsors at MAD//Fest London 2027 so far, as of 5 Nov 2026. Of those, 197 are listed as sponsors; the rest come from combined exhibitor and sponsor lists. We matched 152 of them to a company profile with industry, size and headquarters.

What industries exhibit at MAD//Fest London 2027?

Among the 149 exhibitors we matched, the largest groups are Performance / Growth / Adtech (16%), Advertising & Media Agencies (15%), Social & Influencer / Content (5.4%). In total they span 41 sectors.

Where are MAD//Fest London exhibitors from?

Exhibitors we matched are headquartered in 20 countries. The most represented are United Kingdom (79), United States (31), France (7).

How many MAD//Fest London 2026 exhibitors returned for 2027?

121 companies from MAD//Fest London 2026's list of 165 are on the MAD//Fest London 2027 list so far (73%). 76 companies are new this year, and 44 are not listed yet.

Turn the MAD//Fest London list into meetings

RocketSDR finds the right person at every exhibitor, researches each account, and runs personalised outreach across email and LinkedIn — so you walk into the show with meetings booked.