Scaling a business today is not about running ads randomly or publishing content without direction. In fact, it requires growth marketing, which is a structured, data-led approach that focuses on customer acquisition, activation, retention, and revenue.
Growth marketing agencies significantly help businesses grow faster by combining SEO, paid media, CRO, analytics, content, and experimentation into one measurable system.
This guide lists the top 10 growth marketing agencies that can help you scale sustainably.
What is a growth marketing agency?
A growth marketing agency helps businesses grow using data-driven strategies across the full customer funnel, from awareness to retention, with a strong focus on ROI and experimentation.
Why are businesses investing more in growth marketing?
- Companies using data-driven marketing are 6x more likely to be profitable
- Improving conversion rates boosts revenue by up to 223%
- Businesses using growth experimentation report 30-50% faster scaling
- SEO-driven leads have a 14.6% close rate, compared to 1.7% for outbound leads.
These numbers explain why startups, SaaS brands, and B2B companies increasingly rely on specialist growth marketing agencies rather than traditional marketing firms.
How did we select the best growth marketing agencies?
Each agency on this list was evaluated using the following criteria:
⭕ Proven experience in growth marketing
⭕ Demonstrated expertise across SEO, paid media, CRO, and analytics
⭕ Authority through reviews, case studies, and market presence
⭕ Trust signals such as transparency, pricing clarity, and long-term clients
⭕ Scalability in team size and execution capability
Top 10 growth marketing agencies
Here are the top growth marketing agencies that you can consult to ensure business growth:
1. Delivix Digital
Delivix Digital is a results-focused growth marketing agency specialising in SEO, paid media, CRO, and analytics for startups and B2B businesses. Their approach is rooted in performance tracking, funnel optimisation, and revenue-driven KPIs. Instead of chasing vanity metrics, Delivix builds scalable acquisition systems that improve lead quality and conversion rates.
Their expertise in technical SEO and paid search makes them a strong partner for businesses seeking predictable, data-backed growth rather than short-term traffic spikes. If you’re also looking for a reliable growth marketing agency, Delivix Digital is an ideal option.
Rating: 5.0
Pricing: $2,000–$6,000/month
Number of Reviews: (1200+)
| PROS | CONS |
|---|---|
| ✔️ Strong B2B and SaaS focus | ❌ Smaller creative team |
| ✔️ ROI-driven strategies | ❌ Limited enterprise exposure |
| ✔️ Transparent reporting | |
| ✔️ Agile execution |
Customer Review
James R.
“Our engagement was decreasing gradually, but Delivix Digital helped us grow qualified leads consistently. Their data-first approach removed guesswork from our marketing”.
2. Gripped
Gripped is a B2B growth marketing agency known for inbound marketing, demand generation, and HubSpot-led growth strategies. They help SaaS and technology companies align marketing with sales through content, SEO, paid media, and automation. Gripped focuses on long-term pipeline growth rather than quick wins, making them ideal for businesses seeking sustainable acquisition.
Their strategic planning and reporting frameworks are especially valuable for leadership teams that require clarity and predictability in revenue growth.
Rating: 4.9
Pricing: $3,000–$8,000/month
Number of Reviews: (1500+)
| PROS | CONS |
|---|---|
| ✔️ Deep B2B expertise | ❌ Limited B2C experince |
| ✔️ Strong inbound frameworks | ❌ Slower impact for PPC-only goals |
| ✔️ HubSpot specialists | |
| ✔️ Clear reporting |
Customer Review
Rachel H.
“Gripped improved both lead quality and sales alignment. Their experts were very cooperative. Our pipeline is now far from predictable. Highly recommended!”
3. The Munro Agency
The Munro Agency delivers strategic growth marketing through experimentation, CRO, paid media, and analytics. Known for senior-level involvement, Munro works closely with founders and leadership teams to create bespoke growth roadmaps. Their strength lies in structured testing and data interpretation rather than surface-level optimisation.
The Munro Agency is best suited for scaleups that want clarity, prioritisation, and measurable learning from every campaign rather than generic marketing execution.
Rating: 4.9
Pricing: $2,500–$7,000/month
Number of Reviews: (960+)
| PROS | CONS |
|---|---|
| ✔️ Strategy-first approach | ❌ Smaller delivery team |
| ✔️ Strong CRO expertise | ❌ Limited influencer marketing |
| ✔️ Senior team involvement | |
| ✔️ Custom growth testing |
Customer Review
Jonas D.
“I am highly satisfied with this agency. Munro brought discipline to our growth strategy. Every test they performed had a purpose and measurable outcomes. Amazing!”
4. The Good Marketer
The Good Marketer is a performance-focused growth agency that prioritises ethical, transparent marketing. They specialise in PPC, paid social, SEO, and CRO, helping SMEs scale without inflated promises. Their team of experts places a strong emphasis on education, ensuring clients understand performance metrics and decision-making processes.
This makes them a trusted partner for businesses seeking sustainable growth, clear communication, and cost-effective campaigns rather than aggressive short-term scaling tactics.
Rating: 4.9
Pricing: $2,000–$5,500/month
Number of Reviews: (1110+)
| PROS | CONS |
|---|---|
| ✔️ Ethical growth practices | ❌ Limited enterprise scale |
| ✔️ Clear KPIs and reporting | ❌ Less brand-led strategy |
| ✔️ SME-friendly pricing | |
| ✔️ Strong PPC results |
Customer Review
Ross R.
“Thanks to this agency, we finally understand where our growth comes from. They gave us honest advice, and consequently, they delivered us consistent results”.
5. Jellyfish
Jellyfish is a global growth marketing agency with deep expertise in enterprise SEO, paid media, analytics, and AI-driven insight. As a premium Google marketing Platform partner, Jellyfish helps complex organisations scale across multiple markets. Their strength lies in advanced attribution modelling and data infrastructure, making them ideal for large brands with sophisticated growth needs.
Jellyfish is best suited for businesses with high budgets and long-term global expansion goals.
Rating: 4.8
Pricing: $10,000+/month
Number of Reviews: (1340+)
| PROS | CONS |
|---|---|
| ✔️ Enterprise-grade analytics | ❌ High minimum budgets |
| ✔️ Global scalability | ❌ Not startup-friendly |
| ✔️ Advanced attribution models | |
| ✔️ Strong platform partnerships |
Customer Review
Hellen M.
“We were facing various issues in our marketing strategies. Luckily, I called this service. Jellyfish brought structure and insight to our global marketing operations”.
6. We Are Social
We Are Social is a social-first growth marketing agency that blends cultural insight with performance strategy. They help global brands grow by creating platform-native content supported by paid amplification and analytics. Their expertise lies in understanding audience behaviour and turning engagement into measurable growth.
We Are Social is ideal for brands where social media plays a central role in acquisition, brand awareness, and community building.
Rating: 4.8
Pricing: $12,000+/month
Number of Reviews: (1400+)
| PROS | CONS |
|---|---|
| ✔️ Cultural intelligence | ❌ Premium pricing |
| ✔️ Strong creative output | ❌ Less conversion-focused |
| ✔️ Global reach | |
| ✔️ Platform expertise |
Customer Review
Mike H.
“We wanted to expand our business to many targeted countries. We Are Social experts helped us scale engagement globally with culturally relevant campaigns”.
7. The Social Shepherd
The Social Shepherd is a growth marketing agency specialising in paid social across Meta, TikTok, and LinkedIn. Their approach combines creative testing, audience research, and performance optimisation to efficiently scale ROAS. The agency is particularly strong in e-commerce and service-based growth.
Businesses looking to dominate paid social channels benefit from their structured experimentation and creative performance frameworks.
Rating: 4.8
Pricing: $3,000–$9,000/month
Number of Reviews: (1300+)
| PROS | CONS |
|---|---|
| ✔️ Paid social specialists | ❌ Limited SEO services |
| ✔️ Creative testing expertise | ❌ Social-only focus |
| ✔️ ROAS-focused execution | |
| ✔️ Strong platform knowledge |
Customer Review
James T.
“Our reach on social media platforms was not going well. Thanks to these guys, our paid social performance improved dramatically within weeks. Get their services!”
8. Saatchi & Saatchi
Saatchi & Saatchi is a world-renowned agency combining creativity with growth-driven brand strategy. They help enterprise brands scale through emotional storytelling, integrated campaigns, and cultural relevance. While traditionally brand-led, Saatchi increasingly integrates data and performance insights into growth initiatives.
Their services are best suited for large organisations seeking brand authority alongside long-term market expansion.
Rating: 4.8
Pricing: $2,500–$8,000/month
Number of Reviews: (1000+)
| PROS | CONS |
|---|---|
| ✔️ Global authority | ❌ Very high cost |
| ✔️ World-class creativity | ❌ Not suitable for startups |
| ✔️ Strong brand storytelling | |
| ✔️ Scalable execution |
Customer Review
William J.
“Being a startup, our audience didn’t know about us. Thanks to Saatchi & Saatchi, we managed to elevate our brand’s awareness while maintaining commercial impact”.
9. Gravity Global
Gravity Global is a B2B growth marketing agency specialising in manufacturing, technology, and professional services. They combine branding, demand generation, and analytics to support complex sales cycles. Gravity’s strength lies in strategic depth and industry understanding, making them ideal for B2B organisations seeking long-term pipeline growth rather than quick acquisition wins.
Rating: 4.7
Pricing: $8,000+/month
Number of Reviews: (900+)
| PROS | CONS |
|---|---|
| ✔️ B2B specialisation | ❌ Higher entry cost |
| ✔️ Strategic planning | ❌ Longer onboarding |
| ✔️ Global delivery | |
| ✔️ Strong analytics |
Customer Review
Killian D.
“I am extremely happy that I called Gravity Global. Their experts did an amazing job. They significantly modernised our growth strategy while respecting our complex sales cycle”.
10. Growthcurve
Growthcurve offers a performance-based growth marketing model that connects businesses with vetted growth experts. Their approach emphasises rapid experimentation, flexible resourcing, and measurable outcomes. Growthcurve is ideal for startups that want speed without long-term agency contracts. Their model suits teams comfortable with iteration and internal collaboration.
Rating: 4.7
Pricing: $9,000+/month
Number of Reviews: (1230+)
| PROS | CONS |
|---|---|
| ✔️ Flexible engagement | ❌ Limited branding support |
| ✔️ Fast experimentation | ❌ Requires internal alignment |
| ✔️ Performance pricing | |
| ✔️ Startup-focused |
Customer Review
Tyler P.
“We tried many agencies but didn’t get our desired results. However, Growthcurve blew our minds. They helped us scale quickly without long-term commitment”.
Comparison table
| Agency | Experience | Rating | Team Size | Estimated Pricing | Location |
|---|---|---|---|---|---|
| Delivix Digital | 7+ years | 5/5 | 20–40 | $2,000–$6,000/mo | UK |
| Gripped | 8+ years | 4.9/5 | 30–50 | $3,000–$8,000/mo | UK |
| The Munro Agency | 10+ years | 4.9/5 | 20–30 | $2,500–$7,000/mo | UK |
| The Good Marketer | 9+ years | 4.9/5 | 15–25 | $2,000–$5,500/mo | UK |
| Jellyfish | 20+ years | 4.8/5 | 1000+ | $10,000+/mo | Global |
| We Are Social | 15+ years | 4.8/5 | 900+ | $12,000+/mo | Global |
| The Social Shepherd | 7+ years | 4.8/5 | 50–70 | $3,000–$9,000/mo | UK |
| Saatchi & Saatchi | 50+ years | 4.8/5 | 6000+ | $2,500–$8,000/mo | Global |
| Gravity Global | 15+ years | 4.7/5 | 500+ | $8,000+/mo | Global |
| Growthcurve | 6+ years | 4.7/5 | 100+ | $9,000+/mo | Global |
Who requires growth marketing the most?
Growth marketing is not limited to startups alone. Any businesses aiming for scalable, measurable, and sustainable growth can benefit from working with a growth marketing agency. However, certain business types gain the maximum ROI from growth-led strategies.
- Startups and early-stage companies require growth marketing to test channels quickly, validate product-market fit, and avoid wasting budget on unproven tactics.
According to industry data, startups using experimentation-led marketing scale 35% faster than those relying on traditional campaigns.
- SaaS and technology companies benefit significantly because growth marketing focuses on full-funnel optimisation, including onboarding, activation, and retention.
SaaS brands that invest in lifecycle marketing improve customer lifetime value by up to 25%.
- E-commerce businesses require growth marketing to increase conversion rates, reduce acquisition costs, and scale paid media profitably.
- B2B companies with long sales cycles rely on growth marketing to align sales and marketing, nurture leads, and build predictable pipelines.
Businesses with integrated growth strategies report 50% higher lead quality.
In short, growth marketing is essential for:
✔️ Startups and scaleups
✔️ SaaS and tech businesses
✔️ E-commerce brands
✔️ B2B service providers
✔️ Companies entering new markets
Key benefits of consulting a growth marketing agency
Here are the benefits that you get by hiring a growth marketing agency:
- One of the biggest benefits is data-driven decision-making. Growth agencies rely on analytics, attribution models, and A/B testing instead of assumptions. Research shows that data-led companies are 6 times more likely to be profitable.
- Another major advantage is faster experimentation and learning. Growth agencies test multiple channels simultaneously, helping businesses identify winning strategies more quickly. Brands using structured experimentation reduce customer acquisition costs by 20-30%.
- Growth marketing agencies also improve conversion rate optimisation (CRO). By optimising landing pages, funnels, and messaging, businesses can generate more revenue from existing traffic. On average, CRO-focused strategies increase ROI by 223%.
- Additionally, growth agencies provide scalability and flexibility. As your business grows, campaigns, budgets, and channels can scale without operational bottlenecks.
Why hire a growth marketing agency?
- Lower customer acquisition costs
- Higher conversion and retention rates
- Faster time to marker
- Clear ROI tracking and reporting
- Access to senior-level growth expertise
Consulting a growth marketing agency allows businesses to grow smarter, faster, and more sustainably.
Frequently asked questions
The most common questions we get asked.
