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Agency Rankings · Updated August 2026

The 10 Best Instagram Influencer Marketing Agencies in UK

Compare the top instagram 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 develops social-first strategy, influencer and content campaigns that amplify brand culture and trends for lifestyle and tech names such as Ann Summers and Natural Cycles across Instagram and TikTok.

Avg. rating 5 (58 reviews) Named clients 20 Published case studies 30 Min. budget published
90IC Score / 100
2
Spin Brands

Spin Brands

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

Spin Brands is a creative-first social agency that blends cultural insight, data and creative production to run Instagram influencer campaigns for consumer and lifestyle brands; clients include Google and Diageo.

Avg. rating 4.8 (59 reviews) Named clients 20 Published case studies 14 Min. budget published
87IC Score / 100
3
Noise Media Group

Noise Media Group

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

Noise Media Group creates social-first, full-funnel campaigns—paid and organic social, influencer and creative production—to scale DTC and consumer brands like Just Eat and Davines.

Avg. rating 4.8 (18 reviews) Named clients 20 Published case studies 13 Min. budget published
86IC Score / 100

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4
Accuracast

Accuracast

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

Accuracast plans and executes cross‑border influencer and paid‑social campaigns, pairing multilingual performance marketing, measurement and market‑entry strategy for brands like Vodafone and Club Med.

Avg. rating 5 (30 reviews) Named clients 20 Published case studies 7 Min. budget published
85IC Score / 100
5
Favoured

Favoured

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

Favoured is a UK performance-focused influencer and creative agency that builds full-funnel Instagram campaigns—from in-house TikTok/video production to paid ads, email and CRO—for brands like Durex UK and Elvie.

Avg. rating 4.6 (40 reviews) Named clients 20 Published case studies 61 Min. budget published
84IC Score / 100
6
Bound to Prosper

Bound to Prosper

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

Bound to Prosper is a London PR and influencer agency creating insight-led campaigns, digital press and thought leadership for lifestyle and wellbeing brands like Wagamama and Wild Nutrition.

Avg. rating 5 (15 reviews) Named clients 19 Published case studies 11 Min. budget published
83IC Score / 100
7
Alfred London

Alfred London

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

Alfred London produces visual Instagram influencer campaigns and creative content for consumer brands and retailers, blending influencer-led storytelling with strategic brand direction. Clients include Nespresso and Oatly.

Avg. rating 4.8 (4 reviews) Named clients 20 Published case studies 52 Min. budget published
81IC Score / 100
8
303

303

London, England · Founded 2015 · 10–49 people · 303.london ↗

303 combines creative content, social, media buying and email marketing to scale premium lifestyle and retail brands; clients include Bonhams and Sigma Sports.

Avg. rating 4.2 (16 reviews) Named clients 10 Published case studies 6 Min. budget published
80IC Score / 100
9
Growthcurve

Growthcurve

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

Growthcurve builds data-driven growth campaigns combining creative, engineering and analytics to scale tech and consumer brands on Instagram, working with clients such as Coinbase and Marmalade Game Studio.

Avg. rating 4.9 (42 reviews) Named clients 15 Published case studies 4 Min. budget published
79IC Score / 100
10
CEEK

CEEK

Victoria, London, England · Founded 2016 · 10–49 people · ceek.co.uk ↗

CEEK is a full-service digital agency that crafts end-to-end influencer, strategy and growth campaigns for lifestyle and hospitality brands, working with clients such as The Savoy London and Disney.

Avg. rating 5 (87 reviews) Named clients 16 Published case studies 9 Min. budget published
78IC 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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