Company lists · Data refreshed September 2026

Top 24 Parenting product marketing agencies based in London, United Kingdom

RevenueBase identified 508 parenting product marketing agencies headquartered in London, United Kingdom as of September 2026 and tracks 9,771 professional contacts across them, including 1,237 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers parenting product marketing agencies headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
508Companies
9,771Contacts tracked
1,237Verified emails
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The 24 largest parenting product marketing agencies based in London, United Kingdom

Ranked by team size
Top 24 of 508 parenting product marketing agencies based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to parenting product marketing agencies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, United KingdomHQ checked Sep 29, 20265,001-10,0003,247 contacts →

Indirect evidence

“Hello.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceLondon, United KingdomHQ checked Sep 29, 2026201-500279 contacts →

Indirect evidence

“Spring is a global creative agency, headquartered in Europe, devoted to creating the exceptional for the world's most prestigious brands.”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 29, 2026201-500148 contacts →

Indirect evidence

“We are Grey London.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202651-200134 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202611-50109 contacts →

Indirect evidence

“In the age of the conscious consumer, only the most culturally relevant ideas cut through.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202651-20085 contacts →

Indirect evidence

“The Specialist Works is built exclusively for marketers at entrepreneurial brands.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202651-20079 contacts →

Indirect evidence

“Social Boost has helped to grow more than 25 million real Followers, created content for 100+ brands, and generated over 300k sales leads.”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceLondon, United KingdomHQ checked Sep 29, 202651-20077 contacts →

Partial evidence

“Founded in 2003, Substance is an award-winning digital marketing agency.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202651-20071 contacts →

Indirect evidence

“The River Group is an Integrated, full-service agency that drives performance and ROI across the entire user journey.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202611-5036 contacts →

Indirect evidence

“We are problem solvers.”

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidenceLondon, United KingdomHQ checked Sep 29, 202611-5032 contacts →

Partial evidence

“At JD Marketing we’re as excited about delivering creative results today as we were on our first day of business.”

Source: RevenueBase Database · checked Sep 29, 2026
12Strong evidenceLondon, United KingdomHQ checked Sep 29, 20261-1027 contacts →

Strong evidence

“Montage is an award-winning creative B2B marketing agency that helps your brand to engage positively with the very people you want buying your products and services.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202611-5023 contacts →

Indirect evidence

“We make family targeted brands stronger by delivering award winning insight, strategy and content.”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202611-5023 contacts →

Indirect evidence

“We are Republika.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202611-5019 contacts →

Indirect evidence

“Space is an independent creative company for brands ambitious to go beyond convention.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202611-5018 contacts →

Indirect evidence

“WHO WE ARE: Founded in 1993 and formerly known as GTA Advertising, we started life as a traditional media buying and advertising agency.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceLondon, United KingdomHQ checked Sep 29, 202611-5018 contacts →

Partial evidence

“A result-driven Digital Marketing agency.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202611-5017 contacts →

Indirect evidence

“You can sum up our 35 years in the design business in one word: trust.”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceLondon, United KingdomHQ checked Sep 29, 20261-1017 contacts →

Partial evidence

“One of the UK's longest established advertising agencies, specialising in web design, video production, signage, social media, graphic design and more.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidenceLondon, United KingdomHQ checked Sep 29, 202611-5015 contacts →

Partial evidence

“Brand & Deliver is a full service creative marketing agency.”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceLondon, United KingdomHQ checked Sep 29, 202611-5015 contacts →

Partial evidence

“Welcome to A8OM, where we create a universe of digital marketing possibilities.”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceLondon, United KingdomHQ checked Sep 29, 20261-1014 contacts →

Indirect evidence

“We understand that setting up a business can take up a lot of your time.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202611-5014 contacts →

Indirect evidence

“Netro42 is a digital agency that delivers a range of creative and clever solutions that help our clients to maximise their potential and realise their ambitions.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 29, 20261-1013 contacts →

Indirect evidence

“Like a delectable luxury item, twin is small yet perfectly formed.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 24 of 508 parenting product marketing agencies based in London, United Kingdom

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Parenting product marketing agencies based in London, United Kingdom at a glance

As of Sep 29, 2026
12.7%Verified-email coverage
19.2Average contacts per company
1-10Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
352
11-50
127
51-200
21
201-500
5
501-1,000
1
1,001-5,000
1
5,001-10,000
1

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 508 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among parenting product marketing agencies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in London, United Kingdom whose own description of what they do matches “parenting product marketing agencies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names parenting product marketing agencies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among parenting product marketing agencies, and records with no verified work email. Companies headquartered outside London are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,237 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names parenting product marketing agencies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 508 parenting product marketing agencies headquartered in London, United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Mediacom, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most parenting product marketing agencies?

London leads the United Kingdom with 508 headquartered companies, followed by Manchester (60) and Birmingham (49).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,237 verified decision-maker contacts tracked across these 508 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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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 Smart Search, 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.