842 agencies indexed·Latest entry: 17 July 2026
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The full index · 841 agencies

All UK marketing agencies.

Every agency in the index. Filter by service, industry, location, ownership model, or size. Featured and verified listings surface first.

ActiveService: Programmatic
Showing 1-15 of 15 matching agencies
Mass Reach logo
Mass Reach
Independent·London·2-10 Employees·Verified

At Mass Reach, we help ambitious eCommerce and B2B companies turn ad spend into predictable growth. We've partnered with leading global brands to accelerate revenue through Google Ads, Meta Ads and LinkedIn Ads, supported by conversion rate optimisation to maximise ROI. Our work goes beyond campaign management, we build full-funnel growth systems that deliver measurable results, from lower custome

Hello Starling logo
Hello Starling
Independent·Cardiff·11-50 Employees·Verified

Hello Starling is a Cardiff-based media planning and buying agency that prioritises result-driven strategies. Uniquely identified by its dedication to delivering quantifiable results for its clients, Hello Starling utilises data-led insights to customise campaigns for optimal engagement and influence. With a diversity of media specialities, encompassing TV, cinema, radio, outdoor, press, digital,

J2X logo
J2X
Independent·London·2-10 Employees·Verified

The digital results agency with a complete focus on making your online activity work harder than ever before. If the name rings a bell, that's because we're the sibling of creative agency J2. We were born in a world of big ideas but have evolved an unshakeable focus on digital results. From growing brands to driving sales, every campaign is geared to improve the bottom line. We optimise PPC, Paid

Bidmark logo
Bidmark
Independent·Leeds·2-10 Employees·Verified

Our digital marketing agency specialise in the strategy and delivery of a range of performance focused digital marketing services such as SEO, PPC, Paid Social and Display campaigns. Working closely with our clients ensuring everything is measured and tracked, we continue to deliver the results that matter

Leopard Co logo
Leopard Co
Independent·Birmingham·11-50 Employees·Verified

We are Leopard Co! A new agency with a 20-year history created through two award-winning marketing communications consultancies - Big Cat and spottydog communications - joining forces. Now together, we offer clients a full service marketing agency with specialist skills across the marketing communications mix.

Propellernet logo
Propellernet
Independent·Brighton·51-200 Employees·Verified

Trusted by ambitious brands to deliver performance and brand marketing that fuels growth. Tech-enabled, human-led and propelled by purpose, we help you thrive in an ever-changing world.

KINESSO logo
KINESSO
Network·London·501-1000 Employees

As a leading agency based in London, KINESSO provides innovative, technology-driven performance marketing solutions designed to achieve tangible business results. Our core services encompass Consulting, Data & Tech, Media, Experience, and Content. We leverage advanced automation, AI capabilities, and first-party data to enhance and optimise the connection between brands and their target audiences.

Zenith logo
Zenith
Network·London·1000+ Employees

Zenith is a London-based agency providing a robust array of advertising and marketing solutions. As an integral part of our services, we specialise in media planning and procurement, online marketing, and data analytics, all designed to enhance brand communication strategies. Our distinctive advantage at Zenith is our dedication to utilising data-led insights to craft innovative and high-impact ma

OMD logo
OMD
Network·London·1000+ Employees

OMD is a London-based agency delivering a broad range of media services, with a focus on harnessing data-driven insights to expedite superior decision-making for clients. Their key services encompass digital, data, and content capabilities, all anchored by their bespoke Act Fast Framework, designed for rapid adaptation in response to market fluctuations. OMD sets itself apart with a human-centred

Digitas logo
Digitas
Network·London·501-1000 Employees

Digitas, a London-based agency, specialises in a comprehensive suite of digital marketing solutions, concentrating on forging impactful relationships via inventive campaigns and platforms. Their core services encompass campaign creation, app development, and digital strategy, as illustrated by projects such as the OREO Press Play campaign and the Official Glastonbury 2022 App. Digitas' distinctive

Manning Gottlieb OMD logo
Manning Gottlieb OMD
Network·London·201-500 Employees

Based in London, MG OMD is a distinguished agency renowned for its innovative and integrated media campaigns, specifically designed to yield real impact across all communication facets. The agency specialises in planning and securing advertising spaces, bolstered by unrivaled expertise in sculpting media strategies that resonate with diverse audiences. Setting itself apart, MG OMD boasts an award-

CMI Media Group logo
CMI Media Group
Network·London·1000+ Employees

CMI Media Group, a London-based agency, specialises in strategic healthcare marketing services that are comprehensive and targeted. Our primary service offerings encompass strategic planning, SEM and SEO, social media management, data analytics, and technology consultation, all specifically tailored for the healthcare sector. Our unique value proposition is defined by our proprietary tools, Evolve

Saatchi & Saatchi logo
Saatchi & Saatchi
Network·London·201-500 Employees

Saatchi & Saatchi, a prominent agency based in London, specialises in providing inventive marketing and advertising services. They excel in crafting compelling campaigns for renowned brands such as Waitrose, John Lewis, and EE, with a primary focus on narrative-driven consumer engagement. The agency's unique selling point centres on their dedication to inclusivity within the industry, demonstrated

Wavemaker logo
Wavemaker
Network·London·501-1000 Employees

Wavemaker UK, a London-based agency, provides an extensive suite of media, content and technology services aimed at enhancing business performance. Key services encompass media procurement and planning, content production and distribution, as well as development of data-driven strategies. Wavemaker's unique selling point lies in their fusion of breakthrough technology and consumer insights to yiel

Jellyfish logo
Jellyfish
Network·London·1000+ Employees

Jellyfish is an integrated global digital marketing business founded in 2005 and headquartered at The Shard in London. Since June 2023 it has been part of The Brandtech Group, uniting media, creative and data through technology and generative AI.