What are advertising agencies?

An advertising agency is a company that’s dedicated to assisting clients research, set up, and execute target advertising campaigns. These campaigns may include print ads, social media ads, paid search advertising, television ads, and more.

How do ad agencies get paid?

Top advertising agencies may have different ways of charging clients. Some may ask for a monthly retainer for ongoing account upkeep. Additionally, some firms could request to be paid a percentage of the ROI generated through the ads they create.

How can advertising agencies help my business?

Advertising agencies can help businesses educate their customers on their products and services. With an advertising partner, businesses can create memorable, measurable, and compelling strategies or campaigns. Advertising agencies also enable businesses to increase customer reach and build better brand awareness. By investing in advertising, businesses have a greater chance of gaining an advantage over their competitors.

What kind of ROI (return on investment) should I expect when hiring an advertising agency?

Businesses should anticipate seeing a tangible return on their investment when partnering with an advertising agency if the right measures and resources are implemented. Businesses should monitor key performance indicators (KPIs) such as customer acquisition cost (CAC), revenue growth, and return on ad spend (ROAS). Typically, these metrics don’t appear instantaneously after a campaign ends but rather after a few weeks or months.

Top 100 Advertising Agencies in London

The Best of April 2024

Advertising is crucial to educating consumers and promoting products or services. You can generate interest and give deeper insights into your brand if done correctly.

Jump to Most Reviewed Companies

List of the Best London Advertising Companies

Featured providers
- SmartSites
  (214 Reviews) 4.9
  - Timeliness
    4.9
  - Service Excellence
    4.9
  - Value
    4.8
  - Would Recommend
    4.9
  - $1,000+
  - 250 - 999 employees
  - Paramus, NJ
  SmartSites is a full-service digital agency located in Paramus, N.J. Founded in 2011, SmartSites has a team of nearly 100 designers, writers, developers, marketers, and problem solvers who work tirelessly to make websites successful. SmartSites offers its clients creative ways to build, plan, and promote their website. They focus on web design, PPC marketing, and organic SEO.
  
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991

Rise Communications

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Ulcombe, United Kingdom
Rise Communications is a small Ulcombe, United Kingdom-based advertising company. The team provides advertising, branding, content marketing, public relations, and more.
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992

Silkstream Ltd

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Southend-on-Sea, United Kingdom
Silkstream Ltd is a web design company. They are based in Southend-on-Sea, United Kingdom and have a small team. Their services include web design, advertising, branding, and digital strategy.
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993

Walters Snowdon Advertising Ltd.

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Bletchley, United Kingdom
Founded in 2005, Walters Snowdon Advertising Ltd. Is a small advertising company. Their services include advertising, web design, branding, graphic design, and more. The company is located in Bletchley, United Kingdom.
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994

OUTCREATE
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- Brighton, United Kingdom
Launched in 2020, OUTCREATE is an advertising company. They are headquartered in Brighton, United Kingdom and have a small team. The firm specializes in advertising, other design, social media marketing, and marketing strategy.

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995

Karbon Creative

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Bedford, United Kingdom
Founded in 2019, Karbon Creative is a social media marketing company. The agency focuses on social media marketing, pay per click, graphic design, video production, and more and has a small team.

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996

Employment 4 Students

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Thame , United Kingdom
Employment 4 Students is a HR firm founded in 2000. The firm specializes in HR services, advertising, and branding and has a small team. The firm is located in Thame , United Kingdom.
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997

Aitch Creative Limited

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Hitchin, United Kingdom
Aitch Creative Limited is a graphic design company based in Hitchin, United Kingdom. The small company was established in 1992. Their services include graphic design, logo, advertising, branding, and more.
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998

ERUDITE
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- Herriard, United Kingdom
TheMediaFlow is an advertising company. Their small team is located in Herriard, United Kingdom. The firm specializes in advertising, branding, digital strategy, search engine optimization, and more. The firm was founded in 2010.

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999

Framework Digital

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Aylesbury, United Kingdom
In Aylesbury, United Kingdom, Framework Digital is a digital strategy company. The agency provides digital strategy, search engine optimization, advertising, custom software development, and more and is small.The agency was launched in 2013.
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1000

Janess

(0 Reviews)

Not yet reviewed.
- $1,000+
- Freelancer employees
- Reading, United Kingdom
Janess is a digital strategy company. Their small team is based in Reading, United Kingdom. Their services include digital strategy, advertising, branding, event marketing & planning, and more. The company was established in 2020.
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1001

iDentityCreative

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Saffron Walden, United Kingdom
IDentityCreative is a web design agency. The Saffron Walden, United Kingdom-based firm was established in 2009. The small team offers web design, advertising, branding, graphic design, and more.
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1002

Barber Jackson

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Inworth, United Kingdom
Barber Jackson is a SEO services firm. Launched in 1991, the small agency is based in Inworth, United Kingdom. Their team provides search engine optimization, web design, advertising, ux/ui design, and more.
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1003

BrandWerks
(2 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- Brighton & Hove, United Kingdom
BrandWerks is a marketing, brand, and advertising agency based in Brighton & Hove, U.K. The agency, founded in 2018, has a team of less than ten that provides advertising and branding services to small and midmarket companies.

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Clients
- Marriott International
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1004

Brilliant Noise

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Brighton, United Kingdom
Brilliant Noise is a SEO company. Their small team is in Brighton, United Kingdom. The agency focuses on search engine optimization, web design, advertising, ux/ui design, and more.

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Industries
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1005

JJ Marketing

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Little Baldon, United Kingdom
JJ Marketing is a small advertising company. They provide advertising, content marketing, marketing strategy, public relations, and more and were launched in 1989. The agency is in Little Baldon, United Kingdom.
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1006

RocketMill

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Brighton, United Kingdom
RocketMill is an advertising company. The small Brighton, United Kingdom-based firm was established in 2009. Their services include advertising, branding, content marketing, search engine optimization, and more.
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1007

Same Beast

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Milton Keynes, United Kingdom
Same Beast, a branding firm, was established in 2023. The company provides branding, marketing strategy, and advertising and has a small team.
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1008

Caburn Hope

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- East Sussex, United Kingdom
Headquartered in East Sussex, United Kingdom, Caburn Hope is a human resources agency. The small team focuses on HR services, advertising, digital strategy, IT strategy consulting, and more and was established in 1993.
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1009

Crux Design Agency

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- BORDON, United Kingdom
Headquartered in Headley Down, United Kingdom, Crux DA is a small graphic design agency. The team focuses on graphic design, advertising, branding, web design, and more.
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1010

Cotton Digital

(0 Reviews)

Not yet reviewed.
- $1,000+
- Freelancer employees
- Reading, United Kingdom
Cotton Digital, a small advertising company, is located in Reading, United Kingdom. They provide advertising, digital strategy, pay per click, social media marketing, and more and were launched in 2021.
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1011

Meta.

(0 Reviews)

Not yet reviewed.
- $10,000+
- Freelancer employees
- Finchingfield, United Kingdom
Meta., a small SEO company, is located in Finchingfield, United Kingdom. The team offers search engine optimization, web design, advertising, ux/ui design, and more.
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Industries
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1012

Sans Frontiere Marketing

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- East Sussex , United Kingdom
Sans Frontiere Marketing is a web design company. Their small team is headquartered in East Sussex , United Kingdom. Their services include web design, video production, advertising, branding, and more. The firm was established in 1997.
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1013

Alexander Advertising Int. Ltd

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Wallingford, United Kingdom
Launched in 1968, Alexander Advertising Int. Ltd is a market research company. Their small team is headquartered in Wallingford, United Kingdom. Their services include market research, media planning & buying, advertising, branding, and more.
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1014

Natives Group

(0 Reviews)

Not yet reviewed.
- $10,000+
- 50 - 249 employees
- Brighton, United Kingdom
Natives Group, an advertising company, is in Brighton, United Kingdom. The midsize team specializes in advertising, marketing strategy, social media marketing, and search engine optimization and was launched in 2008.
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1015

Pegasus

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 50 - 249 employees
- Brighton, United Kingdom
Pegasus is a PR company. They are headquartered in Brighton, United Kingdom and have a midsize team. Their services include public relations, advertising, branding, and market research.
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1016

Oban International

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Brighton, United Kingdom
Small SEO company Oban International, is located in Brighton, United Kingdom. They specialize in search engine optimization, web design, advertising, ux/ui design, and more and were founded in 2002.
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1017

Holdsworth PR

(0 Reviews)

Not yet reviewed.
- $10,000+
- Freelancer employees
- Washington, Pulborough, United Kingdom
Marketing strategy company Holdsworth PR was launched in 2000. The agency provides marketing strategy, public relations, social media marketing, advertising, and more and has a small team.
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1018

Incentivesmart Ltd

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Milton Keynes, United Kingdom
Incentivesmart Ltd is a Milton Keynes, United Kingdom-based advertising company. The small team offers advertising, branding, public relations, search engine optimization, and more and was launched in 1999.
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1019

Bucks Creative Ltd

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Bletchley, United Kingdom
Bucks Creative Ltd is a small SEO company. In Bletchley, United Kingdom, the agency was founded in 2014. Their team provides search engine optimization, web design, advertising, ux/ui design, and more.
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1020

Propellernet

(0 Reviews)

Not yet reviewed.
- $10,000+
- 50 - 249 employees
- Brighton , United Kingdom
SEO agency Propellernet was established in 2003. Their midsize team is headquartered in Brighton , United Kingdom. Propellernet provides search engine optimization, web design, advertising, ux/ui design, and more.
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