Social Media Advertising agencies in London.
Social Media Advertising is paid placement on Meta (Facebook, Instagram), TikTok, LinkedIn, X, Pinterest, and Snapchat. Scope typically covers strategy, audience targeting, creative production, campaign setup, bid management, attribution, and reporting. It is the paid side of social, distinct from Social Media Marketing which covers organic content, community management, and influencer relations. This page shows every agency on AgencyIndex offering social media advertising in London.
- 37 UK agencies offering social media advertising in London
- Part of the Social Media Advertising service set
- Indexed in London
- Reviewed 17 May 2026
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
GA Agency is an award-winning digital marketing agency helping brands all over the world grow their business and revenue in the online space. Our strategy and data-driven approach allow us to build an effective tailor-made digital marketing strategy to take your business to the next level.
Deep and Unique Services at ELITEHUB Luxury Digital Agency ELITEHUB is a premier luxury digital agency specializing in a wide range of services tailored for high-end brands and affluent individuals. Our offerings encompass various facets of digital marketing and personal services, ensuring that our clients receive comprehensive support in achieving their goals.
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
Mintense UK is a London-based performance marketing agency with over a decade of experience in multilingual SEO, Google Ads, PPC and social media advertising. Their native-speaker teams cover 16+ languages, delivering tailored digital campaigns that drive visibility, leads and international growth across the UK, Europe and the US.
The SEO Works is a highly respected authority in search marketing, GEO, AI search, web development, and pay-per-click social services for distinguished brands and thriving SMEs in the UK. With a fifteen-year long track record, this agency remains committed to a single objective: boosting businesses' online customer base.
Scale your home ecom brand to £150k a month - and beyond. DeqVision is the all-in-one growth partner built for home & garden online stores. Website, paid ads, email marketing, all with the goal of getting you more revenue.
ENGAGING EXPERIENTIAL EVENTS - Grocerama is a unique experiential & promotional marketing agency focused exclusively on the UK grocery market. Grocerama has a distinct P.o.D. over other marketing agencies being an all-in-one Brand Owner, Media Platform and Award-winning marketing agency that creates and activates multi-brand, multi-channel grocery category or lifestyle occasion based experiential
The B2B Growth Agency Predictable pipeline growth is a constant challenge for B2B marketing teams. It starts with better MQLs, stronger SQL conversion, and efficient customer acquisition. That’s where Overdrive comes in.
Marketing Agency in London To help your business grow, Sharkfold digital marketing company makes bold decisions. We provide tailored tactics to reach your target audience and achieve your business goals. Increase brand visibility, leads, and sales with our services. We strive to serve our clients well. We'll learn about your business and goals and utilize our knowledge to help you succeed. SEO, PP
Simplicity Media is an award winning advertising agency that specialises in data driven digital marketing. Our aim is to be your competitive advantage; maximising budgets to provide full funnel success, driving awareness, consideration and purchasing intent across (but not limited too) all digital led mediums. Social Media (TikTok, Instagram, Snapchat, Facebook, Reddit, YouTube et al) Paid Search
The Game Marketer is an international full‑service video game marketing agency dedicated to helping developers, publishers, and game brands connect with players around the world. We specialise in crafting tailored marketing solutions that raise visibility, grow engaged communities, and drive real results across every stage of a game's lifecycle. Our team is made up of experienced marketing prof
YellowInk is an SEO and digital marketing agency based in the United Kingdom (UK), dedicated to helping startups and small businesses grow online. We offer tailored services including SEO, content marketing, PPC, email marketing, social media management, social media advertising, website design & development, and LinkedIn marketing. Our focus is on delivering affordable, effective strategies that
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 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
Disturb Digital, a premier full-service digital marketing agency, is strategically located in London. They distinguish themselves through a unique results-oriented methodology, effortlessly blending business objectives with innovative creativity to generate profitable outcomes, unrestricted by predetermined service hours. Disturb Digital provides an extensive array of services encompassing ad admi
MSL, a London-based agency, provides comprehensive PR and communication solutions. Expertise lies in reputation management, media engagement, and corporate communications, enabling brands to establish and sustain robust public profiles. Through a blend of strategic understanding and creative narratives, MSL captivates audiences, boosting brand exposure. The agency operates in diverse industries, e
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
Hearts & Science is a London-based marketing agency specialising in forging meaningful, large-scale emotional bonds via ground-breaking media strategies. Core services encompass media planning, data analytics, and consumer insights, devised to seize attention in a progressively segmented media environment. The agency's distinct selling point is their aptitude to remodel media strategies, nurturing
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
Creative Brand Communications, a London-based agency, provides a diverse array of PR and brand communication solutions. Specialising in the delivery of integrated PR drives, stimulating brand activations, and innovative pan-European PR strategies, they set themselves apart with their talent for designing award-winning campaigns. These campaigns not only generate media attention but also fuel sales
PHD Media, a London-based agency, specialises in strategic communications and media planning services. They excel in media purchasing, digital marketing, and data analytics, all geared towards helping brands connect efficiently with their desired audiences. PHD Media's unique selling point is their innovative use of data-driven insights to craft powerful campaigns. They predominantly serve sectors
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-
Mediahub, a London-based agency, specialises in strategic media planning and buying, merging human insight with data-led strategies. Their core services encompass the creation of media strategies, cross-channel media procurement, and bespoke advertising solutions, customised to align with each client's unique requirements. What sets Mediahub apart is their emphasis on integrating human expertise w
AgencyIndex tracks 37 social media advertising agencies in London. The list above is filtered to that intersection and ordered with verified and featured listings first.
For the wider editor's view on social media advertising agencies in the UK, see the social media advertising service brief. For context on London's marketing cluster, see the London location brief. The pricing, timeline and red-flag notes below apply to social media advertising as a discipline; they do not change materially in London.
Single-platform boutique £400-1,500 · Mid-market £1,500-3,500 · Full multi-platform £3,500-5,000+. Hybrid models pair a £750-1,500 base with 10-15% above an agreed threshold. LinkedIn B2B sits at the top of the range due to higher CPMs.
1-5 days audit + tracking · 3-14 days creative production · 1-3 days launch · 7-21 days learning phase · 2-4 weeks meaningful read on Meta and TikTok, 3-6 weeks on LinkedIn.
- · No in-house creative production - paid social is creative-led, weak throughput means slow learning
- · Percentage-of-spend pricing with no committed monthly creative quota or testing cadence
- · Avoids discussing iOS privacy, signal loss, Conversions API, or modeled conversions
- · Cannot explain platform attribution windows vs GA4 or CRM, or how they reconcile the gap
- · No first-party data integration - no CAPI, no Customer Match, no offline conversion imports
- · Refuses to give the brand admin access to its own Meta Business Manager, TikTok account, or LinkedIn Campaign Manager
Social Media Advertising agencies in other cities.
Other services in London.
What brands ask about social media advertising agencies.
The 5 questions our editors get most often, answered honestly. These apply to social media advertising as a discipline regardless of city.