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Agency Rankings · Updated August 2026

The 10 Best B2B Influencer Marketing Agencies in UK

Compare the top b2b influencer marketing agencies in United Kingdom for 2026 — ranked by client reviews, pricing, campaign results, and verified brand clients

1,000+ agencies evaluated 6 scoring factors 15,000+ client reviews analyzed
What the score bar shows
Client reviews 25% Verified clients 20% Campaign results 15% Pricing transparency 10% Team size and seniority 10%
★ Best Overall
1
OOB

OOB

London, England · Founded 2018 · 10–49 people · hypeandhoney.com ↗

OOB crafts social-first influencer strategies and culture-led content for consumer and lifestyle brands, blending trend-driven campaigns, TikTok expertise and creative production for clients like Sonos and Ann Summers.

Avg. rating 5 (58 reviews) Named clients 20 Published case studies 30 Min. budget published
92IC Score / 100
2
RevWise

RevWise

Colchester, England · Founded 2023 · 50–249 people · revwise.com ↗

RevWise runs affiliate programmes and TikTok Shop commerce for ecommerce brands, covering partner recruitment, commission optimisation, campaign management and data-driven growth for clients such as Vitl and Go Ape.

Avg. rating 5 (25 reviews) Named clients 19 Published case studies 19 Min. budget published
91IC Score / 100
3
Accuracast

Accuracast

London, England · Founded 2004 · 10–49 people · accuracast.com ↗

Accuracast provides international B2B digital marketing—multilingual SEO, paid media, programmatic, CRO and martech—for cross-border brands such as PwC and Vodafone.

Avg. rating 5 (30 reviews) Named clients 20 Published case studies 7 Min. budget published
90IC Score / 100

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4
Spin Brands

Spin Brands

London, England · Founded 2016 · 50–249 people · spinbrands.com ↗

Spin Brands is a creative-focused social agency that blends data, insights and creative strategy to deliver social and influencer campaigns for global brands like Google and Diageo.

Avg. rating 4.8 (59 reviews) Named clients 20 Published case studies 14 Min. budget published
89IC Score / 100
5
Noise Media Group

Noise Media Group

London, England · Founded 2018 · 10–49 people · noisemediagroup.co.uk ↗

Noise Media Group produces social-first paid and organic campaigns, blending creative content, paid social and performance media to scale DTC and consumer brands like TaskRabbit and Just Eat.

Avg. rating 4.8 (18 reviews) Named clients 20 Published case studies 13 Min. budget published
88IC Score / 100
6
BOUTIQUE

BOUTIQUE

Leeds, England · Founded 2012 · 10–49 people · weareboutique.co.uk ↗

Boutique delivers integrated media, digital, PR and social campaigns for consumer and trade brands, using influencer outreach and trade-focused activations for clients like BestHeating, Black+Decker.

Avg. rating 4.7 (6 reviews) Named clients 20 Published case studies 9 Min. budget published
87IC Score / 100
7
Favoured

Favoured

London, England · Founded 2017 · 10–49 people · favoured.co.uk ↗

Favoured delivers full‑funnel, performance-driven marketing for B2B and SaaS brands, combining LinkedIn and ABM with in‑house video/TikTok creative to boost acquisition and retention; clients include Egnyte and ProofVision.

Avg. rating 4.6 (40 reviews) Named clients 20 Published case studies 61 Min. budget published
87IC Score / 100
8
Bound to Prosper

Bound to Prosper

London, England · Founded 2021 · 2–9 people · boundtoprosper.com ↗

Bound to Prosper is a women‑founded London PR agency specialising in influencer marketing, digital press office and thought leadership for lifestyle and wellbeing brands, working with Wagamama and Wild Nutrition.

Avg. rating 5 (15 reviews) Named clients 19 Published case studies 11 Min. budget published
85IC Score / 100
9
Growthcurve

Growthcurve

London, England · Founded 2017 · 10–49 people · growthcurve.co ↗

Growthcurve delivers data-driven growth marketing for B2B startups and scaleups, combining engineering and creative talent to run ABM, LinkedIn Ads and broader B2B strategy for clients like Pesto and Coinbase.

Avg. rating 4.9 (42 reviews) Named clients 15 Published case studies 4 Min. budget published
83IC Score / 100
10
Alfred London

Alfred London

London, England · Founded 2013 · 10–49 people · alfredlondon.com ↗

Alfred London produces social-first creative and influencer campaigns, crafting scroll-stopping content and audience activation for consumer and tech brands such as Amazon and Netflix.

Avg. rating 4.8 (4 reviews) Named clients 20 Published case studies 52 Min. budget published
82IC Score / 100

How we score agencies

Every agency gets an IC Score out of 100, built from seven weighted factors. All inputs come from publicly available information — review platforms, the agencies' own websites. Scores are refreshed monthly.

25%

Client reviews

Average rating across major review platforms, adjusted for review volume so 5 reviews can't beat 300.

20%

Verified clients

Named clients and brand logos we could verify against public sources.

15%

Campaign track record

Published case studies with concrete, checkable results.

10%

Pricing transparency

Published pricing, minimum budgets, or rate ranges score higher than "contact us."

20%

Niche specialization

Share of public work and case studies in this specific niche.

10%

Team & stability

Years in operation and team size, from public company information.

Scores reflect publicly available information as of August 2026 and are opinions based on the methodology above, not statements of fact about service quality.

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