10 Best B2B SEO Agencies in London (Detail Review)

Not every B2B firm struggles with Google's help. Trouble often comes from choosing an unsuitable partner. Wrong hires lead where they should not.

You often hear it around. Higher visitor numbers. Better search positions. Extra phrases tagged. After three months, reports may show improvement. Yet clients keep asking, “Where are the ready-to-buy visitors?”

It's right there, between numbers and results, where many SEO projects slowly fall apart.

This blog acts like a lens clear of clutter. Instead of scattering findings, it lines up leading B2B SEO firms to help you find a provider that fuels real leads and not mere traffic swells.

What Makes a Great B2B SEO Agency?

A strong B2B SEO agency connects search activity directly to revenue. The right partner builds strategies around buyer intent, sales cycles, and pipeline contribution.

Top agencies focus on SQLs, deal influence, and pipeline growth. They combine technical fixes, content planning, and CRO into one coordinated plan rather than running disconnected tasks.

You should also see reporting tied to revenue indicators and real case studies from your industry. When an agency understands your buyers, sales process, and competitive space, SEO becomes a steady source of qualified growth.

10 Best B2B SEO Agencies in London

This comparison gives a quick snapshot of how leading B2B SEO agencies in London differ in focus, strengths, and pricing. Use it as a starting point before reviewing each SEO agency, their services, and whether they offer AI SEO services aligned with your growth stage.

1. Saffron Edge

Best for: SaaS, tech, and growth-stage B2B companies

Saffron Edge stands out among B2B SEO agencies in London for one simple reason. Our SEO work ties directly to pipeline. Our team builds search strategies around buyer intent, deal stages, and revenue paths. That helps marketing teams show clear impact on SQLs and closed revenue.

Our agency combines technical SEO, conversion-focused content, and CRO into one growth plan. Our SEO audit services connect site health to business outcomes, while our AI SEO Services help uncover intent signals, content gaps, and faster testing opportunities.

Saffron Edge has supported more than 2,500 clients across 25 industries since 2008. Our teams work across SEO, content, automation, paid media, and account-based marketing, which helps B2B companies build a complete growth engine rather than a single-channel tactic. Clear reporting, proactive communication, and a client-first approach keep strategies tied to real business goals.

Key strengths:

• High-intent keywords turn organic traffic into SQLs and revenue.
• Product, use-case, and cluster content capture demand across the buyer journey.
• One plan connects technical SEO, content, links, and CRO to drive conversions.
• Intent-mapped pages with clear CTAs convert visitors into qualified leads.

Client feedback: 4.8 overall rating on Clutch

Pricing: Custom Pricing as per business requirements

2. The SEO Works

Best for: Established brands and growing SMEs that want measurable search performance

The SEOWorks has built its reputation by focusing on one clear outcome: more customers from search. Among many B2B SEO agencies in London, the agency positions itself as a practical partner that prioritizes results over jargon.

With more than a decade of experience, the agency has worked with both national brands and fast-growing SMEs.

Key strengths:

• Award-winning campaigns built around measurable customer acquisition.
• Integrated SEO, content, web, and paid social aligned with lead generation.
• Technical and content expertise shaped by a decade of client work.
• Partnership approach focused on clear marketing ROI.

Pricing:

• Minimum project size: $1,000+
• Average hourly rate: $100 to $149

3. Bird Marketing

Best for: Businesses that want SEO paired with design and paid media support

Bird Marketing is a London-based SEO agency that combines search, web design, and paid media into one digital program. With offices in London, New York, and Dubai, the agency supports clients across multiple markets and industries.

Key strengths:

• Integrated web design and PPC services that align traffic growth with revenue goals.
• International presence that supports multi-market campaigns.
• Customer-focused approach that ties agency success to client results.

Pricing:

• Minimum project size: $5,000+
• Average hourly rate: $100 to $149

4. Gripped

Best for: SaaS, tech, IT, and B2B service providers

Gripped is a London-based SEO agency that focuses on one outcome: revenue growth from organic search. Gripped builds campaigns around high-intent keywords that align with product pages, demo requests, and solution searches.

Key strengths:

• Audience research finds high-intent keywords tied to buyer decisions.
• Authority-building content guides prospects to demos and contact pages.
• Flexible campaigns adjust to competition, trends, and product shifts.

Pricing:

• Minimum project size: $5,000+
• Average hourly rate: $100 to $149

5. Delante

Best for: Businesses that want search visibility across Google, AI tools, and social platforms

Delante positions itself as a multi-platform SEO agency that helps brands show up across search engines, AI tools, marketplaces, and social platforms.

The agency also offers AI SEO services that prepare content for AI overviews, LLM-driven search results, and conversational queries. With more than a decade of experience and several global awards, Delante focuses on long-term visibility and measurable growth across multiple discovery channels.

Key strengths:

• SEO for Google, AI, marketplaces, and social search.
• Global link-building campaigns boost authority and rankings. Technical audits and development support remove performance barriers.
• FOutstanding search strategies for long-term traffic and revenue growth.

Pricing:

• Minimum project size: $1,000+
• Average hourly rate: $50 to $99

6. Skale

Best for: High-growth SaaS and tech-driven B2B companies

Skale is a specialized SEO agency built around SQL growth. Skale structures its campaigns around revenue-generating keywords and product-led content.

Their in-house SaaS expertise allows them to align SEO campaigns with product funnels and pricing pages, which helps translate search traffic into measurable business growth.

Key strengths:

• SQL-focused keywords that link search visibility to demos and trials.
• Product-led content and technical SEO for SaaS conversion funnels.
• Structured campaigns to generate consistent organic leads.

Pricing:

• Minimum project size: $5,000+
• Average hourly rate: $100 to $149

7. Neadoo Digital

Best for: B2B and e-commerce companies targeting local and international markets

Neadoo Digita combines technical SEO with creative content and paid campaigns. With offices in London and Poznan, the team supports both local businesses and international brands looking for broader reach. Neadoo stands out for its multilingual capabilities and integrated marketing approach.

Key strengths:

• Combine SEO and PPC to increase traffic and conversions.
• Strategies for multilingual international growth in multiple markets.
• responsive account management that aligns SEO with business goals.

Pricing:

• Minimum project size: $1,000+
• Average hourly rate: $25 to $49

8. Atomic Digital Marketing

Best for: Small to mid-sized B2B companies that want integrated digital marketing support

Atomic Digital Marketing combines SEO, paid media, social, and web design into one coordinated strategy. Among B2B SEO agencies in London, Atomic appeals to companies that want a single partner to handle multiple acquisition channels instead of managing separate vendors.

Their work usually starts with technical reviews and SEO audit services to identify ranking barriers, content gaps, and conversion issues. From there, the team builds search campaigns supported by paid media and social strategies, which helps companies increase visibility and capture demand across channels.

Key strengths:

• Combining SEO, PPC, social media, and web design to generate leads.
• Industry-specific B2B strategies.
• Continuous support and performance reporting for clients.

Pricing:

• Minimum project size: $5,000+
• Average hourly rate: $100 to $149

9. Agile Digital Agency

Best for: Local B2B service providers that want SEO paired with web and paid media support

Agile Digital Agency focuses on helping B2B service companies grow their local search presence.

Their campaigns often begin with SEO audit services to uncover local ranking issues, technical problems, and missed keyword opportunities. The agency then combines SEO with web design, paid ads, and email marketing to create a coordinated demand generation strategy.

Key strengths:

• Adaptable campaigns to local market conditions.
• Coordination of SEO, web development, and paid media for lead generation.
• Local search strategies for regional demand.

Pricing:

• Minimum project size: $1,000+
• Average hourly rate: $50 to $99

10. non.agency

Best for: Enterprises and international B2B brands seeking global search visibility

Non.agency focuses on international SEO, enterprise strategies, and data-led content campaigns. With more than a decade of combined experience, the team focuses on sustainable growth through ethical link building and structured international strategies.

Key strengths:

• International SEO programs for market expansion.
• Data-led content strategies that improve visibility and engagement.
• Ethical link building focused on long-term authority growth.
• Consulting services that align SEO strategy with business goals.

Pricing:

• Minimum project size: $5,000+
• Average hourly rate: $100 to $149

How to Choose the Right B2B SEO Agency?

Many companies switch between B2B SEO agencies every year because the first choice looked impressive on paper but never influenced revenue. The selection process often focuses on deliverables, not business outcomes. A better approach starts with your growth stage.

1. Define your growth stage

Early-stage companies need visibility and steady traffic to build brand awareness. Growth-stage teams usually care about SQL volume and pipeline contribution. Enterprise brands often want category ownership and market share across multiple regions.

2. Evaluate strategy, not just deliverables

Ask each SEO agency how they connect search traffic to revenue. Look for structured plans, SEO audit services that reveal funnel gaps, and reporting that tracks SQLs or opportunities instead of raw traffic.

3. Review real case studies

Focus on three numbers: traffic growth, lead impact, and revenue contribution. Strong agencies can show how search influenced real deals, not just rankings.

Closing Thoughts

The right partner depends on your growth stage, budget, and internal SEO maturity. Early-stage companies often need visibility and traffic, while growth-stage teams care more about pipeline and SQL impact. Enterprise brands usually focus on market share and category authority.

B2B SEO works best when it ties search performance to revenue outcomes. With the right SEO agency, organic search can become a reliable source of qualified pipeline. Among the B2B SEO agencies in London, Saffron Edge stands out for companies that want clear, measurable growth tied to real business results.