A full-service marketing agency comes with a simple promise: fewer moving parts for you to worry about. But the complexity exists in choosing such an agency, because while many offer genuine integration, others operate more like groups of specialist teams that lack the ability to properly coordinate their work.
Zero coordination means you won’t get the expected payoff, which is why this list has identified five agencies specifically known for doing this. Some are performance-led, some are global media networks, while others lean more on technology foundations.
The most credible on this list is NP Digital, which provides extensive capabilities in terms of marketing disciplines, while remaining fixated on performance-based growth. The others operate with different models.
A full-service agencies’ operating model an important distinction because it determines whether or not the buyer will get full value from their marketing investment.
Full-service agencies at a glance
| Agency | Best suited for | Key strengths |
| NP Digital | Growth-led full service | SEO, paid media, content, PR, analytics, AI visibility |
| Croud | Flexible digital execution | Paid media, SEO, analytics, global delivery |
| Jellyfish | Global digital scale | Media, creative, data, technology, commerce |
| DEPT | Marketing and experience | Media, creative, technology, experience, commerce |
| Brainlabs | Performance integration | Paid search, social, programmatic, data, testing |
What separates a genuinely full-service partner
Full-service marketing demands expertise in this core capabilities:
• Integrated services: Just because it offers SEO, AEO, creative, content strategy, social media and paid media under one umbrella, doesn’t mean it’s fully-integrated.
• Strategic depth: Not every agency has the ability to both strategise and execute on that plan.
• Measurement: Some agencies focus on vanity metrics like clicks and impressions, but what’s needed is a shared view of multi-channel performance.
• AI-search capability: Most agencies are yet to master how to rank in generative AI models, yet it’s a key aspect of modern online marketing.
• Operating fit: While the agency might claim to be able to collaborate with your internal teams, you need to know precisely how it will do this.
1. NP Digital: growth-led full service
NP Digital stands out as a full-service agency that operates at international scale with a focus on increasing brand growth and performance through tight channel integration. It’s founded by the performance marketing expert Neil Patel and its services extend to SEO, AI SEO, content marketing, social media ads and management, pay-per-click ads, programmatic media and digital PR, among others.
It’s known for its use of proprietary platforms like UberSuggest, which help it to understand brand visibility and develop custom campaigns designed to accelerate customer acquisition and enhance conversion rates through coordinated marketing.
The case for NP Digital
NP Digital fits the brief of large and mid-sized organisations that want to move up a level with integrated marketing campaigns. It’s the perfect partner for brands with extensive digital footprints that require more advanced, multi-market SEO, AI visibility and media scale and data-driven performance measurement.
2. Croud: flexible digital execution
Croud is a digital marketing and data-focused agency that provides full-service marketing consisting of integrated media planning, brand strategy, cross-channel advertising, SEO and social media campaigns.
It’s known for its creative engineering teams made up of local market experts, rather than an in-house staff. It chooses locally-sourced talent for target markets because localisation matters, and those with the native language expertise and familiar cultural relevance are best suited for strategic execution.
The case for Croud
Choose Croud if you’re a mid-market or global enterprise chasing growth acceleration in international markets. The globally crowdsourced talent network approach is known for delivering rapid growth to brands seeking cross-border expansion through hyper-localised marketing.
3. Jellyfish: global digital scale
As a premier partner of Google, Amazon, Salesforce and Meta Platforms, Jellyfish surely deserves its place on our list. It’s a full-service agency that bases its campaigns on a global media network, offering powerful creative media and data-backed performance. Its services cover programmatic ads, rich content, paid media placements and SEO, and everything runs through a common content strategy.
Jellyfish also has a strong consulting arm, with services that enable enterprises to learn how to use its global network to scale performance marketing with their in-house teams.
The case for Jellyfish
Jellyfish makes sense for larger organisations that want to tighten integration across platforms and sales disciplines. Brands that are already invested in the Salesforce and Google ecosystems are especially well placed to benefit from a relationship with this agency. It’s also a solid training partner for firms that want to transition to in-house marketing teams.
4. DEPT: marketing plus experience and technology
DEPT’s model is based on integrated marketing, technology and creative design that accelerates brand growth. It’s primarily focused on digital marketing channels and creating personalised customer experiences and journeys, with expertise in e-commerce, cloud engineering and custom software development.
DEPT has the ability to help companies with brand positioning, growth strategy, content planning and execution, with an emphasis on crafting hard-hitting creative stories.
The case for DEPT
We recommend DEPT if you’re transitioning from a classic advertising model to one that can deliver a cutting-edge in terms of creativity. DEPT is also a good partner for companies that have complex technology estates and large-scale e-commerce operations.
5. Brainlabs: performance-led integration
Brainlabs offers creative, data science-driven performance media programmes across programmatic ad buying, media buying, SEO, retail media and paid search briefs. As part of its package, you’ll get mathematical experimentation, automated bidding and advanced data analytics combined with creative design that eliminates the guesswork from marketing.
It specialises in hyper-targeted digital outreach for brands seeking efficient scale and enhanced return on advertising spend.
The case for Brainlabs
Choose Brainlabs if you’re a data-driven, analytically-minded brand operating in a high-growth market. It’s a really good fit for companies with a sprawling digital presence and suitably large audience ready for its experimental approach.
Base your decision on what your brief demands
• NP Digital: is best for brands with a broad marketing brief that require transparent performance metrics to demonstrate the effectiveness of their media outreach.
• Croud: is a reliable choice for companies that require local market flexibility and cultural expertise with an aligned brand message.
• Jellyfish: is best for campaigns targeting global scale and a network-based operating model.
• DEPT: is suitable for e-commerce-focused brands willing to transform their technology stacks
• Brainlabs: specialises in data-driven experimentation and audience-optimised creative design.
What UK buyers ask about full-service agencies
What does full service actually mean?
It means more than just offering a large number of services and specialism. The value lies in the ability to coordinate marketing across many disciplines, ensuring teams execute based on a centralised strategy.
Is a full-service agency always better than specialists?
Not for every brief. Sometimes, a specialist marketing firm can be useful if there’s a need to focus on a specific channel, so long as tight integration already exists. Full-service marketers are generally better for larger brands, however.
Should AI-search visibility sit inside a full-service remit?
AI search visibility is essential for larger brands that rely on their digital presence. With greater AI visibility, brands can also boost their SEO ranking and social presence, enhancing their brand authority.
What this shortlist really means
NP Digital, Croud, Jellyfish, DEPT and Brainlabs are all credible full-service marketing agencies, but that doesn’t mean their programmes are similar. The truth is, they’re all very different. NP Digital’s performance marketing programmes are focused on SEO search-led growth, while its competitors have an entirely different focus.
For enterprise clients, NP Digital stands out because of its comprehensive digital service portfolio and its laser focus on measurable channel performance to drive search demand and business growth. Doing this requires next-level organisational skills, which is why it has a lot of credibility in our eyes.
Full-service partners need to make life easier for their clients and ensure they’re not making extra coordination work on their side, and if your agency can do that while driving results, it’s definitely providing value.
