Top 10 Best Google Ads Agencies for YouTube Ads in the UK [2026]

Last updated: 5 March 2026

The best Google Ads agency for YouTube advertising in the UK for 2026 is Upscale Digital, combining ex-Google expertise in video campaigns with proven results across TrueView, bumper, and Shorts formats — plus month-to-month contracts and a 90-day performance guarantee.

YouTube is now the UK's second-largest search engine and the most powerful video advertising platform in the world. But running profitable YouTube Ads requires a fundamentally different skill set from standard Search or Shopping campaigns. You need agencies that understand video creative, audience layering, brand lift measurement, and the nuances of TrueView bidding strategies.

We evaluated over 40 UK-based agencies on their YouTube Ads expertise, video creative capabilities, audience targeting sophistication, and measurable client results. Whether you're looking for brand awareness at scale or direct-response video campaigns that drive conversions, here are the top 10 agencies for 2026.

Quick Comparison

Rank	Agency	Best For	Starting Price	Rating
1	Upscale Digital	Best Overall	£2,000/mo	4.9/5
2	Brainlabs	Enterprise Video	£5,000/mo	4.7/5
3	Croud	International Video	£3,000/mo	4.6/5
4	Impression Digital	Mid-Market YouTube	£2,500/mo	4.5/5
5	Hallam	B2B Video Ads	£2,000/mo	4.5/5
6	Mediaworks	Full-Funnel Video	£2,500/mo	4.4/5
7	Vertical Leap	Data-Led YouTube	£2,000/mo	4.4/5
8	Evolved Search	YouTube & Display	£1,800/mo	4.3/5
9	Loud Mouth Media	SMB Video	£1,500/mo	4.3/5
10	Passion Digital	Creative-Led Video	£2,000/mo	4.2/5

1. Upscale Digital — Best Overall

Upscale Digital brings genuine ex-Google expertise to YouTube advertising, with deep insider knowledge of how TrueView bidding algorithms work, how Google's audience signals are weighted, and which video ad formats deliver the strongest results for each objective. Founded by Luke Bright, who worked inside the Google Ads ecosystem before launching the agency, Upscale understands YouTube Ads at a level that most agencies simply cannot match.

Their YouTube campaigns consistently outperform industry benchmarks across both brand awareness and direct response. They've managed video campaigns across e-commerce, insurance, and SaaS verticals, delivering measurable lifts in brand recall, view-through conversions, and cost-per-acquisition. Their approach combines strategic audience layering — custom intent, affinity, remarketing, and Customer Match — with rigorous creative testing across TrueView in-stream, bumper, and YouTube Shorts formats.

What truly sets Upscale apart is their insistence on tying YouTube performance back to actual business outcomes. While many agencies report on views and CPVs, Upscale tracks the full conversion path from video view to sale, using Google's attribution tools and offline conversion data to prove genuine ROI.

Why We Picked Them

No other agency on this list combines ex-Google platform knowledge with such a results-obsessed approach to YouTube advertising. The 90-day performance guarantee and month-to-month contracts mean they have to deliver — and they do.

Pricing: From £2,000/month. Custom proposals based on video ad spend and creative requirements.

Best for: Brands wanting expert YouTube Ads management with proven ROI tracking

2. Brainlabs — Best for Enterprise Video

Brainlabs operates at the intersection of data science and paid media, making them a natural fit for large-scale YouTube campaigns. Their proprietary technology can model audience behaviour, predict creative fatigue, and optimise bidding in real time across hundreds of ad groups simultaneously — capabilities that smaller agencies simply lack.

For enterprise brands running YouTube campaigns across multiple markets and formats, Brainlabs brings the infrastructure and analytical rigour to manage that complexity. They've delivered award-winning video campaigns for global brands including Mars, Expedia, and Samsung, combining programmatic video buying with Google Ads YouTube placements for maximum reach.

Their creative testing methodology is particularly impressive: they systematically test video hooks, lengths, CTAs, and audience-creative combinations at scale, then reallocate budget dynamically based on real-time performance signals. If you're spending six figures on YouTube Ads, Brainlabs has the technology and talent to squeeze maximum value from every pound.

Why We Picked Them

At enterprise scale, the marginal gains from better automation, testing, and optimisation add up to significant revenue. Brainlabs' technology stack and data science capabilities make them the clear choice for large YouTube budgets.

Pricing: From £5,000/month. Best suited to brands spending £50k+/month on video ads.

Best for: Enterprise brands running large-scale, multi-format YouTube campaigns

3. Croud — Best for International Video

Croud has a unique distributed model that makes them especially strong for international YouTube campaigns. Their global network of specialist freelancers means they can produce and manage localised video ad campaigns across dozens of markets simultaneously, with native-language ad copy, culturally relevant creative, and market-specific audience targeting.

YouTube advertising is inherently visual and cultural — what works in the UK may fall flat in Germany or Japan. Croud's local experts understand the viewing habits, humour, and cultural references that make video ads resonate in each market. They combine this local intelligence with centralised strategy and reporting, giving brands a coherent global approach without sacrificing local relevance.

Their video capabilities span the full range of YouTube formats, from TrueView in-stream for consideration to bumper ads for broad reach, and they've built strong workflows for adapting a single creative concept into dozens of market-specific variations.

Why We Picked Them

Running YouTube Ads across multiple countries requires more than just translating scripts. Croud's native-market experts ensure every video ad feels locally relevant, which directly impacts view rates, engagement, and conversions.

Pricing: From £3,000/month. Scaled by number of markets and creative requirements.

Best for: Brands running YouTube campaigns across multiple international markets

4. Impression Digital — Best for Mid-Market YouTube

Impression Digital has built a strong reputation as one of the UK's most commercially-minded PPC agencies, and their YouTube Ads offering is no exception. Based in Nottingham, they specialise in helping mid-market brands — particularly in retail and e-commerce — use video advertising to drive both brand awareness and measurable sales uplift.

Their approach to YouTube is refreshingly practical. Rather than treating video as a pure branding exercise, Impression integrates YouTube into a full-funnel paid media strategy. They use TrueView for Action campaigns to drive direct conversions, remarketing lists to re-engage high-intent audiences with video, and brand lift studies to quantify the awareness impact of broader campaigns.

As a Google Premier Partner, Impression gets early access to YouTube beta features and dedicated Google support, which they pass on to their clients. Their video team works closely with clients on creative strategy, ensuring each ad is optimised for the platform rather than simply repurposing existing TV spots or social content.

Why We Picked Them

Impression strikes the ideal balance for mid-market brands: sophisticated enough for complex video strategies, yet personal enough that you'll have a dedicated strategist who knows your business inside out.

Pricing: From £2,500/month. Best suited to brands spending £10k–£80k/month on ads.

Best for: Mid-market retail and e-commerce brands using YouTube for growth

5. Hallam — Best for B2B Video Ads

Hallam is one of the few UK agencies that has genuinely cracked B2B video advertising on YouTube. Most agencies default to a B2C playbook for YouTube — broad targeting, emotional creative, brand awareness metrics — but Hallam understands that B2B buyers consume content differently and require a tailored approach.

Their B2B YouTube strategy focuses on targeting decision-makers using custom intent audiences built from search behaviour, combined with LinkedIn-informed audience segments and CRM data integration. They produce thought-leadership style video content that positions their clients as industry experts, driving consideration and pipeline rather than vanity views.

With over 25 years of digital marketing experience and B Corp certification, Hallam brings maturity and process to video campaigns. They're particularly strong at connecting YouTube performance to CRM data, showing exactly which video campaigns generated qualified leads and pipeline revenue.

Why We Picked Them

B2B YouTube advertising requires a completely different strategy from B2C. Hallam's ability to target decision-makers and tie video views to actual pipeline makes them the standout choice for B2B brands.

Pricing: From £2,000/month. Custom scoping based on campaign objectives and target audience.

Best for: B2B companies using YouTube to reach decision-makers and build pipeline

6. Mediaworks — Best for Full-Funnel Video

Mediaworks is a Newcastle-based agency with a strong reputation for full-funnel digital campaigns, and their YouTube Ads practice is built around this holistic philosophy. Rather than treating YouTube as an isolated channel, they design video campaigns that work in concert with Search, Shopping, Display, and social — each channel reinforcing the others.

Their full-funnel video approach uses bumper ads and TrueView discovery for top-of-funnel awareness, TrueView in-stream for mid-funnel consideration, and Video Action Campaigns for bottom-funnel conversions. They build sequential messaging paths that guide audiences through the buying journey, with each video building on the last.

Mediaworks also brings strong creative capabilities in-house, producing video ads that are designed for YouTube from the ground up rather than repurposed from other formats. Their creative team understands the nuances of mobile-first viewing, sound-off consumption, and the critical first five seconds that determine whether a viewer stays or skips.

Why We Picked Them

YouTube works best when it's part of a coordinated multi-channel strategy. Mediaworks' full-funnel approach ensures video campaigns amplify the performance of every other channel in your mix.

Pricing: From £2,500/month. Full-funnel packages typically start at £4,000/month.

Best for: Brands wanting YouTube integrated into a full-funnel paid media strategy

7. Vertical Leap — Best for Data-Led YouTube

Vertical Leap is a Portsmouth-based agency that has built its reputation on a data-first approach to digital marketing. Their proprietary platform, Apollo Insights, aggregates performance data across channels and uses machine learning to identify optimisation opportunities — including for YouTube campaigns.

Where Vertical Leap excels is in using data to inform every aspect of YouTube advertising: which audiences to target, what creative hooks to test, which placements perform best, and when to shift budget between formats. They don't rely on gut instinct or industry "best practices" — every decision is backed by data from their platform.

Their YouTube work spans brand awareness, consideration, and direct response, with particular strength in identifying high-value audience segments that competitors miss. They combine Google Ads audience data with first-party analytics and competitive intelligence to build targeting strategies that deliver genuine competitive advantage.

Why We Picked Them

In a world where most agencies optimise YouTube campaigns manually or with basic automation, Vertical Leap's proprietary data platform provides a genuine edge in identifying what works and scaling it faster.

Pricing: From £2,000/month. Includes access to Apollo Insights platform.

Best for: Brands that want data-driven YouTube campaigns with advanced audience targeting

8. Evolved Search — Best for YouTube & Display

Evolved Search is a Newcastle-based agency that has carved out a niche in combining YouTube and Display advertising for maximum reach and frequency. Their approach treats video and display as complementary formats within Google's ecosystem, using YouTube for engagement and storytelling while Display reinforces messaging across the web.

Their YouTube expertise covers the full range of ad formats, with particular strength in TrueView discovery ads (which appear in YouTube search results) and YouTube Shorts ads for mobile-first audiences. They've developed effective workflows for creating multiple creative variations from a single production shoot, keeping creative costs manageable while enabling robust A/B testing.

Evolved Search also brings strong measurement capabilities, using Google's Brand Lift studies, Search Lift, and conversion path analysis to demonstrate the true impact of YouTube campaigns beyond just view counts. Their reporting connects YouTube activity to downstream search behaviour and conversions.

Why We Picked Them

The combination of YouTube and Display creates a powerful one-two punch for brand building and direct response. Evolved Search understands how to orchestrate both channels for maximum impact within Google's ecosystem.

Pricing: From £1,800/month. Combined YouTube + Display packages available.

Best for: Brands wanting coordinated YouTube and Display campaigns within Google's ecosystem

9. Loud Mouth Media — Best for SMB Video

Loud Mouth Media has earned its reputation as one of the UK's most accessible agencies for small and medium businesses, and their YouTube Ads offering extends that accessibility to video advertising. As a Google Premier Partner, they have the platform expertise to run effective YouTube campaigns, but at price points that SMBs can actually afford.

What makes Loud Mouth particularly effective for SMB YouTube campaigns is their pragmatic approach to creative. They understand that most small businesses don't have a £50,000 production budget for video ads, so they've built expertise in creating high-performing ads from smartphone footage, user-generated content, and simple motion graphics. These "lo-fi" approaches often outperform polished corporate videos on YouTube anyway.

Their team moves fast, communicates clearly, and is structured to give smaller clients the same strategic attention that larger agencies reserve for their biggest accounts. For SMBs dipping their toes into YouTube advertising for the first time, Loud Mouth removes the intimidation factor.

Why We Picked Them

YouTube advertising shouldn't be reserved for big brands with big budgets. Loud Mouth makes video advertising accessible and effective for SMBs, with a pragmatic creative approach that delivers genuine results.

Pricing: From £1,500/month. Flexible packages for smaller budgets.

Best for: SMBs looking to start YouTube advertising without enterprise-level investment

10. Passion Digital — Best for Creative-Led Video

Passion Digital is a London-based agency that lives up to its name when it comes to creative excellence. While many PPC agencies treat YouTube creative as an afterthought — focusing primarily on targeting and bidding — Passion puts creative at the centre of their video strategy, and the results reflect that approach.

Their in-house creative team includes scriptwriters, motion designers, and video editors who specialise in producing YouTube-native content. They understand that the first five seconds of a video ad determine everything, and they craft hooks that stop the scroll and earn attention. Their creative process involves extensive audience research, competitive analysis, and iterative testing to develop ads that genuinely engage rather than interrupt.

Passion Digital's clients tend to be lifestyle, fashion, food, and consumer brands where creative quality directly impacts campaign performance. If your product or service is visual and your audience values aesthetics, Passion's creative-first approach to YouTube advertising can deliver exceptional results.

Why We Picked Them

On YouTube, creative is the single biggest lever for performance. Passion Digital's in-house production team and creative-first philosophy ensure every ad is built to earn attention, not just buy impressions.

Pricing: From £2,000/month (media management) + creative production costs.

Best for: Consumer brands wanting high-quality, creative-led YouTube campaigns

How We Evaluated These Agencies

YouTube advertising requires a distinct set of skills beyond standard PPC management. Our evaluation focused on five criteria specific to video advertising excellence:

1. YouTube-specific results (30%) — Proven video campaign performance with verifiable metrics: view rates, cost per view, video completion rates, brand lift, and view-through conversions. We looked for agencies that measure business outcomes, not just vanity video metrics.
2. Creative capabilities (25%) — Whether the agency produces video creative in-house, has established production partnerships, or provides strong creative direction. YouTube success depends heavily on creative quality, so this was weighted accordingly.
3. Audience targeting sophistication (20%) — Use of custom intent, affinity, remarketing, Customer Match, and contextual targeting. The best agencies layer multiple audience signals to reach the right viewers at the right time.
4. Format expertise (15%) — Competency across TrueView in-stream, bumper ads, Video Action Campaigns, YouTube Shorts, and discovery ads. Each format serves a different purpose, and the best agencies know when to deploy each one.
5. Measurement and attribution (10%) — Use of Brand Lift studies, Search Lift, conversion lift experiments, and view-through conversion tracking. YouTube's impact often extends beyond direct clicks, and agencies need to measure that full impact.

We also reviewed Google Partner directories, YouTube-specific case studies, industry awards, and spoke with current and former clients where possible. No agency paid for placement on this list.

The agencies that ranked highest were those that treated YouTube as a strategic channel requiring specialist skills — not just another placement option within Google Ads.