Agency · London, United Kingdom
Brain Labs
Brainlabs is a digital marketing agency for B2B SaaS and other sectors, optimizing paid media, search, and analytics globally.
Our overview
Brainlabs is a digital marketing agency that helps B2B SaaS and other brands grow through paid media, search, social, programmatic, SEO, and analytics. The team also supports creative production, conversion rate optimization, and measurement to improve performance across the full funnel.
They work with companies of many sizes across North America, Europe, and APAC, using data and testing to plan budgets, run campaigns, and track results. Their in-house specialists and engineers build tools and dashboards to make decisions faster and clearer. Their approach is simple: test often, learn quickly, and focus on outcomes that matter to the business.
What does Brain Labs do?
Brain Labs is a large digital marketing agency based in London, in the United Kingdom, trading as Brainlabs on its website. It runs paid media, search, social and analytics for B2B SaaS companies and brands in many other sectors. Its website says it was founded in 2012 and puts its team at 1,000+ people.
The services its website lists are:
- Paid media: search, programmatic and other paid channels
- Paid social: campaigns across social platforms
- AI visibility: helping brands show up in AI-generated answers
- Analytics and measurement: tracking and reporting on what spend returns
- Creative and influencer: ad creative and influencer work
Its profile adds SEO, conversion rate optimization and creative production, and describes in-house engineers who build bidding tools and dashboards for clients.
Who does Brain Labs work with?
Brain Labs’ website lists B2B SaaS among a long run of industries, including retail and e-commerce, financial services, travel and hospitality, consumer tech and software, healthcare, real estate, gaming, consumer goods, media and beauty. It says 250+ brands use it.
Clients named on its site include Netflix, Hilton, Microsoft, Klaviyo, AMN, AT&T and Polaroid. Klaviyo and Microsoft are the clearest software names, and most of the list is large consumer brands.
The profile says it works across North America, Europe and APAC. It fits SaaS companies with large paid budgets and complex tracking needs better than early-stage teams.
How does Brain Labs work?
Brain Labs’ profile sums up its approach as testing often, learning quickly and focusing on business outcomes. Data scientists and engineers work alongside media buyers, building testing frameworks, automated bidding and attribution models in-house instead of relying on platform defaults.
On the search side, the profile lists technical audits, structured data, content optimization and the running of large, complex sites. Its website mentions the AdWeek Breakthrough Agency of the Year award and recognition from AdAge.
What to ask Brain Labs before you hire them
- Which B2B SaaS clients do you work with now, and what size of budget do they run with you?
- Who on your 1,000+ person team would work on our account, and in which office?
- What do your in-house bidding and reporting tools do that the ad platforms do not?
- Is there a minimum monthly spend for a SaaS company to work with you?
At a glance
- Type
- Agency
- Based in
- London, United Kingdom
- Founded
- 2012
- Team size
- 1,000+
As their own website states it.
Services
- Digital marketing
- PPC
- SEO
- Strategy
Industries
- B2B SaaS
Profile last checked
How we scored Brain Labs
Four scores out of 5 with equal weight, averaged to give the overall score. Nobody pays to be listed or to be ranked higher.
Overall
3.8/5
- B2B SaaS focus2/5
- 2 out of 5.Large multi-sector media; not SaaS-led.
- Proof of results4/5
- 4 out of 5.Numerous quantified case studies.
- Transparency4/5
- 4 out of 5.Team/leadership very clear; no pricing.
- Reputation5/5
- 5 out of 5.Highly recognized global agency.
Where Brain Labs ranks
The top lists they are on, and what we said about them on each.
- Ranked #8
The Best B2B SaaS PPC Agencies Reviewed & Ranked
Best for: Experimentation-led paid media at scale
- A large independent agency, global reach
- In-house engineering and bidding tools
- Data scientists alongside media buyers
Read our reviewHide our review
Brainlabs is one of the larger independent performance marketing agencies operating globally, with teams across North America, Europe, and APAC. Their paid media capability covers Google, Microsoft, YouTube, programmatic, and paid social at significant scale, with an internal technology and engineering team that builds proprietary bidding and reporting tools rather than relying on platform defaults. For B2B SaaS companies with complex attribution requirements or enterprise-level paid budgets, Brainlabs can apply a level of technical infrastructure that most specialist agencies cannot.
The agency's differentiation is its engineering approach to media buying: experimentation frameworks, automated bidding logic, and attribution modeling built internally rather than sourced off the shelf. Data scientists and engineers work alongside media specialists, which means performance analysis is more rigorous than at agencies where reporting is handled by account managers working from platform dashboards. Their client base spans multiple sectors, and SaaS sits within their B2B practice rather than as an exclusive vertical focus.
Brainlabs is a better fit for mid-market and enterprise B2B SaaS companies with substantial paid budgets that need technical infrastructure and global execution capability rather than boutique account management. They suit businesses running programmatic alongside paid search, or where attribution across a complex multi-channel mix is a genuine operational challenge. They are less suited to SaaS companies looking for an agency that works only with B2B SaaS, or to businesses that need a small, closely managed team with direct senior access on a modest budget.
- Ranked #11
Top Agencies for B2B SaaS Scale-ups
Best for: Test-and-learn growth for scaling SaaS
- Paid, search, social and programmatic
- In-house tools and dashboards
- Test often, learn quickly
- Ranked #24
The Best B2B SaaS SEO Agencies Reviewed & Ranked
Best for: Enterprise-scale performance media and SEO
- Data-driven SEO and analytics
- Technical audits and enterprise site management
- Automation and AI-informed testing
Read our reviewHide our review
Brainlabs is a data-driven digital marketing agency integrating SEO, analytics, and performance media to boost search visibility and revenue. Their SEO team specializes in technical audits, structured data, content optimization, and enterprise-level site management. Using automation and AI insights, Brainlabs continuously tests and refines search strategies for consistent performance improvements. Their emphasis on data science ensures that SEO outcomes directly support lead generation and business growth.
From brainlabsdigital.com
What their own website says, checked .
In their words: “Maximize revenue through media.”
- Services they list
- AI Visibility, Paid Media, Analytics & Measurement, Creative & Influencer, Paid Social
- Industries they serve
- Retail + E-commerce, Financial Services, Travel + Hospitality, Consumer Tech + Software, B2B SaaS, Healthcare, Real Estate, Home Improvement, Gaming, Consumer Goods & FMCG, Media & Publishing, Tech, Beauty, Travel & Hospitality, Retail
- Founded
- 2012
- Team size
- 1,000+
- Clients they name
- Netflix, Hilton, Microsoft, Klaviyo, AMN, AT&T, Polaroid, 250+ brands trust us to grow their business
- Partner badges and awards
- AdWeek Breakthrough Agency of the Year, Multiple recognitions by AdAge
FAQs
Some common questions, answered
Where is Brain Labs based?
Brain Labs is based in London, in the United Kingdom, and trades as Brainlabs on its website. Its profile says it works with companies across North America, Europe and APAC, and the agency says it was founded in 2012 and has a team of 1,000+ people.
What services does Brain Labs offer?
Brain Labs offers paid media, paid social, AI visibility, analytics and measurement, and creative and influencer work, according to its website. Its profile adds SEO, programmatic, conversion rate optimization and creative production, with in-house engineers building bidding tools and dashboards for clients.
Which companies has Brain Labs worked with?
Brain Labs’ website names Netflix, Hilton, Microsoft, Klaviyo, AMN, AT&T and Polaroid among its clients and says 250+ brands use the agency. Most are large consumer brands, so SaaS buyers should ask which B2B software companies it works with now.
How big is Brain Labs?
Brain Labs says on its website that it has a team of 1,000+ people and was founded in 2012. Its profile describes teams across North America, Europe and APAC, with data scientists and engineers working alongside media buyers, so expect a large agency built for big budgets.
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