Top SEO Companies in London

I know it’s hard to find a good SEO company in London. There are so many SEO agencies claiming to be the best, hence, it becomes difficult to select the best SEO company according to your business needs.

In this quick comparison and detailed information guide, I have listed the top SEO companies in London so that you don’t have to manually search and prepare a list of digital marketing agencies.

Here are the top London SEO agencies:

1- Bing Digital

Business Name: Bing Digital

Address: 86-90 Paul Street, London, EC2A 4NE

Contact Details: [email protected], 020 8242 1954

Overview: Bing Digital is an ecommerce SEO agency in London. It offers Magento website designing, development, and SEO marketing services to its clients. Bing Digital is trusted by prominent clients worldwide.

In Business Since: 1999

Services Offered: Ecommerce SEO services, Shopify and Magento Website Development

CEO: Jon Billingsley

Notable Clients: Seiko, McAfee, and Pepe Jeans

Number of Employees: 11-50

Trustpilot Reviews: 4.5 Stars out of 17 Trustpilot reviews

Related: Top SEO Companies in Cheyenne, WY

2- The SEO Works

Business Name: The SEO Works

Address: Bellerive House, 3 Muirfield Cres, Isle of Dogs, London, E14 9SZ

Contact Details: [email protected], 0800 292 2410

Overview: The SEO Works is a marketing agency located in London, UK. It has multiple awards like Northen Marketing, European Search, Best in Search, and Agency of the Year. The SEO Works is also a trusted Google partner agency.

In Business Since: 2008

Services Offered: SEO, PPC, Social Media, and Website Development

CEO: Neil Palmer

Notable Clients: Zippo, Denby, Tata Steel, Harris, and Decathlon

Annual Revenue: $61 Million (based on data from Zoominfo)

Notable Results: 

• REED Global (a recruitment agency) achieved 350 new rankings and over 50,000 more visitors monthly.
• Sheffield Hallam University (an educational institute) achieved 28 first page rankings and over 42,000 more visitors monthly.
• Barber DTS (a tattoo equipment firm) achieved 49% more international traffic with over 30 first page rankings.

Number of Employees: 11-50

Google Reviews: 4.9 Stars out of 30 Google reviews

Related: Top SEO Companies in Cheyenne, WY

3- Go Up

Business Name: Go Up Ltd

Address: Go Up Ltd, 71 Leonard Street, London, EC2A 4QS

Contact Details: [email protected], 0207 871 7662

Overview: Go Up is a London based search marketing and SEO company. With a team of writers, designers, developers and marketing experts, Go Up can give your business new heights and boost.

In Business Since: 2011

Services Offered: SEO, Web Design, Content Marketing, Reputation Management, CRO, and PPC.

CEO: Edward Coram James

Notable Clients: Huel, Cuvva, YouGov, and Trade Nation

Annual Revenue: $4 Million (based on data from Zoominfo)

Notable Results:

• Amigo Loans (UK’s leading loan company) achieved 1st page rankings for the search query “guarantor loans”.
• Hackett London (an ecommerce store) achieved 60% increased organic revenue, and over 80% increased ranking keywords (34% of keywords are top 3 positions).
• AnyVan (delivery service providers) achieved 64% more traffic in the first 6 months and 225% by the 18th month.

Number of Employees: 11-50

Google Reviews: 4.7 Stars out of 13 Google reviews

Related: Best SEO Companies in Vancouver

4- Ignite SEO

Business Name: Ignite SEO

Overview: Ignite SEO is a new search engine marketing agency in London. It has excellent SEO services like local SEO, national SEO, and enterprise SEO. Ignite SEO also offers professional web design services.

In Business Since: 2020

Services Offered: SEO, Web Design, Ecommerce SEO

CEO: Adam Collins

Number of Employees: 1-10

Google Reviews: 5.0 Stars out of 3 Google reviews

5- Digitalhound

Business Name: Digitalhound

Address: 207 Regent St, London W1B 3HH, United Kingdom

Contact Details: [email protected], +442078732476

Overview: Digitalhound is an award-winning marketing agency offering various marketing services. It has achieved multiple awards like Best Digital Marketing Agency 2018 by DesignRush and Digital Marketing Agency 2021 by Clutch.

In Business Since: 2014

Services Offered: SEO, Social Media Marketing, Content Marketing, Video Marketing, PPC, and eCommerce Marketing.

CEO: Darryl Antonio

Annual Revenue: $4 Million (based on data from Zoominfo)

Notable Results:

• 118118.com achieved an increase in unique traffic from 563,000 to 914,000 visits per month.

Number of Employees: 11-50

Google Reviews: 4.9 Stars out of 8 Google reviews

6- PNDigital

Business Name: PNDigital

Address: Kemp House, 152 – 160 City Road, London EC1V 2NX

Contact Details: [email protected], +44 207 846 0130

Overview: With a 5-star rating, PNDigital can be the best SEO company in London. It is headquartered in London, UK and provides a full package of Digital Marketing services to customers.

In Business Since: 2015

Services Offered: SEO, PPC, Web Design & Development, and Mobile App Development.

CEO: Paras Raichura

Notable Clients: 

• B2B SaaS providers achieved 8x more leads and 537% more enquiries with over 6k organic traffic per month.
• Insurance service provider company achieved increased organic traffic by 238% per month with tons of keywords on the first page of Google.
• An online Ecommerce store achieved over 250k visitors per month, with revenue increased from £58k to £600k per month.

Annual Revenue: $15 Million (based on data from Zoominfo)

Number of Employees: 80

Google Reviews: 5 Stars out of 46 Google reviews

Related: Are SEO Companies Worth The Money?

7- Found

Business Name: Found

Address: 22 Charterhouse Square, Barbican, London EC1M 6DX, United Kingdom

Contact Details: [email protected], 0845 004 5394

Overview: Found is an all-in-one agency providing services ranging from Digital Marketing to Consulting and Data Science. Found has received over 60 awards including UK Digital Growth Awards 2020, Great Place To Work 2020, and UK Search Awards 2018.

In Business Since: 2005

Services Offered: SEO, PPC, Social Marketing, Content Marketing, CRO, Influencer Marketing, and Data Science

CEO: Tina Judic

Notable Clients: Marley, Unilever, Boohoo, and Wowcher

Annual Revenue: $18.9 Million (based on data from Owler)

Notable Results: 

• Questback (experience management software) received 31% more organic visibility in the UK, with 134% increased organic traffic per month.
• Fender received 8.9 million impressions with 48k views (with 37% unskipped views).
• Funky Pigeon achieved 312k new visitors for the first time that leads to 210% more sales.

Number of Employees: 120

Google Reviews: 4.6 Stars out of 7 Google reviews

Related: Best SEO Companies in New York

8- RBSEO

Business Name: RBSEO

Address: RBSEO Ltd, 20 Wenlock Road, London, N1 7GU, United Kingdom

Contact Details: [email protected], 07879256330

Overview: RBSEO is an SEO focussed agency who helped businesses in achieving better ranking positions on Google. Whether its small, medium or a large business, RBSEO provides services to all.

In Business Since: 2005

Services Offered: SEO, PPC, Link Building, Web Design, and Content Writing

CEO: Tim Smith

Notable Clients: Shaver Spares, Bridging Funding, and Pinnacle Wellbeing Media

Annual Revenue: $4 Million (based on data from Zoominfo)

Notable Results: 

• Shaver Spares achieved 1st page ranking for terms “Braun Chargers” and “Philips Shaver Heads”.
• Cooleasy achieved 1st page ranking for terms “Garage Refurbishment” and “Compton Garages”.
• Wood Bridge Dental achieved 1st page ranking for terms “NHS Dentist Guildford” and “Dental Care Guildford”.

For more live results, you can click here.

Number of Employees: 11-50

Google Reviews: 5 Stars out of 441 Google reviews

Related: Best Social Media Agencies in India

9- DubSEO

Business Name: DubSEO

Address: 12 Hay Hill, Mayfair, London, W1J 8NR

Contact Details: [email protected], 0207 183 2266

Overview: DubSEO is the UK’s best SEO agency providing services since 2012. DubSEO offers SEO services in the UK for different industries like Healthcare, Legal, Travel, Dentists, Hotels, and Real Estate industries.

In Business Since: 2012

Services Offered: SEO, PPC, Social Media Marketing, CRO, Content Marketing, Web Design, and E-commerce.

CEO: Matt Ryan

Notable Clients: Acorn Dental, Dulwich, and Medical Express.

Annual Revenue: $19 Million (based on data from Zoominfo)

Notable Results: 

• UK FILM FESTIVAL achieved 78% more traffic in just the first 7 days.
• Dulwich Dental Office achieved 1560% increased traffic in the first 6 months and 2700% in the next year.
• Sw19 Confidental achieved 400% increased conversions on the website.

Number of Employees: 51-100

Google Reviews: 4.9 Stars out of 51 Google reviews

Related: How To Keep A Good Reputation In The Media

10- Figment Agency

Business Name: Figment Agency

Address: 43 Old London Rd, Kingston upon Thames KT2 6ND, United Kingdom

Contact Details: [email protected], 020 3642 2228

Overview: With over 180 successful clients, Figment Agency provides customers the best SEO and website services since 2006.

In Business Since: 2006

Services Offered: SEO, PPC, Web Design & Development, Content Marketing, and WordPress support.

CEO: Steve Grant

Notable Clients: Zedcarz, British Fertility Society, Bridger Bell, Henfield Storage, and ProofMaster

Annual Revenue: $19 Million (based on data from Zoominfo)

Notable Results: 

• Surrey Hills Garden Buildings achieved 71% growth with over 25k searches after 3 months on Google Maps.
• Bridger Bell achieved 64% more traffic on the website with only 38% bounce rate and 3min 28sec average duration.
• Tag Office achieved 42% more organic traffic (from which 29% of traffic comes in the first 3 months).

Number of Employees: 11-50

Google Reviews: 4.9 Stars out of 54 Google reviews

Related: What is SEO? Complete Guide to Learn SEO

11- Marketing Voice

Business Name: Marketing Voice

Address: Marketing Voice, A104, LCB Depot, 31 Rutland Street, LE1 1RE, Leicester

Contact Details: [email protected], 0163184131

Overview: Marketing Voice is an SEO agency that can help you get leads and sales. They aim to provide good results under 1 to 6 months with no contract policy.

In Business Since: 2015

Services Offered: Digital Marketing and SEO

CEO: Harmeet Singh

Notable Clients: HP, KUDOS, Spark Academy, ProfotoDesign, and OMC Global.

Annual Revenue: N/A

Notable Results: 

• The Spine Clinic receives multiple first page rankings for queries like Back pain Leicester, Osteopath in Leicester, and Osteopath Leicester.
• Airhorse received 1st position ranking for the key term “Airbnb Management Leicester” after 3 months, leading to £50,000 sales in a year.

Number of Employees: 1-10

Google Reviews: 5 Stars out of 26 Google reviews

Related: SEO Tips For Law Firms

12- Grapefruit SEO

Business Name: Grapefruit SEO

Address: Exchange at Somerset House, South Wing, London WC2R 1LA, United Kingdom

Contact Details: [email protected], 0208 123 8781

Overview: Grapefruit SEO is a leading SEO agency in London that only focussed towards Search Engine Optimization. They perform SEO on websites that deliver good results.

In Business Since: 2014

Services Offered: SEO

CEO: Matthew Kirkman

Notable Clients: One Of One Group, Wimpole Clinic, and MetalHub

Annual Revenue: N/A

Number of Employees: 1-10

Google Reviews: 4.9 Stars out of 10 Google reviews

Related: Best SEO Competitor Analysis Tools

13- Yellowball

Business Name: Yellowball

Address: CC504, Cocoa Studios, The Biscuit Factory, 100 Drummond Rd, London SE16 4DG, United Kingdom

Contact Details: [email protected], 0203 993 8345

Overview: Yellowball is a marketing and design agency based in London, UK. 

In Business Since: 2013

Services Offered: SEO, Web Design, Video Production, PPC, Branding, SMM, Graphic Design, CRO, and Ecommerce.

CEO: Owen Hunnam

Notable Clients: GoodBox, Rencraft, Grass & Co., Davroc, CS Global.

Annual Revenue: $4 Million (based on data from Zoominfo)

Notable Results: 

• Applied (a recruitment firm) achieved 224% more visibility under the 12 months period with increased traffic by 150%.
• Blow Ltd achieved improvement in organic keywords rankings from 3,068 keywords in September to 7,645 keywords in January.
• Butternut Box achieved 450% more organic ranking keywords and 1,200% more 1st page rankings over 2 years, leading to increased traffic by 181%.

Number of Employees: 11-50

Google Reviews: 4.9 Stars out of 38 Google reviews

Related: Marvellous SEO Link Building Tools

14- SEO Moves

Business Name: SEO Moves

Address: Office 1, west end house, 60 Oxford St, Wellingborough NN8 4JJ

Contact Details: [email protected], 08435 571 643

Overview: SEO Moves is a Google partner agency based in London. It also receives some awards like Timber Structural Awards.

In Business Since: 2015

Services Offered: SEO, Social Media, Content Marketing, Web Design & Development, and PPC.

CEO: Stephen Rolt

Notable Clients: Mark Pelowe, Consult Construct, Eden Tree Specialists, and Watches of Wales.

Annual Revenue: $20 Million (based on data from Zoominfo)

Number of Employees: 100

Google Reviews: 5 Stars out of 17 Google reviews

Related: Core Web Vitals For Google SEO

15- Rank No.1

Business Name: Rank No.1

Address: 98 Monmouth Rd, Dorchester DT1 2DQ

Contact Details: [email protected], 998 901 049

Overview: Rank No.1 is a Google Certified SEO company in London. It is also a multi-award winning company with awards like Best Business Awards.

In Business Since: 2012

Services Offered: SEO, Web Design, and PPC.

CEO: Terje Sannarnes

Notable Clients: N/A

Annual Revenue: $4 Million (based on data from Zoominfo)

Number of Employees: 1-10

Google Reviews: 3.8 Stars out of 6 Google reviews

Related: Best SEO Keyword Rank Checker Tools

16- Passion Digital

Business Name: Passion Digital

Address: 4A/4B Union Court, SW4 6JP, London

Contact Details: 020 3282 5304

Overview: Passion Digital is a full-fledged marketing agency headquartered in London, UK. It is an award-winning company that is also recognised as Google Partner.

In Business Since: 2012

Services Offered: SEO, PPC, Content Marketing, SMM, Web Design, Conversion Marketing, and Ecommerce.

CEO: Tim Greatrex

Notable Clients: KPMG, Downey, Knight Frank, and Imperial College London.

Annual Revenue: $5 Million (based on data from Zoominfo)

Notable Results: 

• Downey achieved 108% more traffic yearly with 1.9% CTR.
• National Trust achieved 200 organic keywords ranking (94% on page 1).
• Good Hemp achieved increased sessions, new users, and traffic by 125%, 150%, 420%.

Number of Employees: 11-50

Google Reviews: 4.8 Stars out of 42 Google reviews

Related: Best SEO Keyword Research Tools

17- ClickSlice

Business Name: ClickSlice

Address: studio 10, Shoreditch Stables, 138 Kingsland Rd, London E2 8DY

Contact Details: [email protected], 020 3287 3638

Overview: ClickSlice is a London based SEO agency that provides advanced SEO services to businesses. 

In Business Since: 2013

Services Offered: SEO and Google Ads.

CEO: Joshua George

Notable Clients: Woobro, Project Solar UK, Humax, and Ceres.

Annual Revenue: N/A

Number of Employees: 11-50

Google Reviews: 4.9 Stars out of 65 Google reviews

Related: Salary of SEO Professionals In The USA

18- Assertive Media

Business Name: Assertive Media

Address: 24 Holborn Viaduct, Holborn, London EC1A 2BN

Contact Details: [email protected], 0207 965 7623

Overview: With perfect 5-star ratings, Assertive Media is the best SEO agency in the UK. It is also recognised as Google Partner. 

In Business Since: 2003

Services Offered: SEO, Web Design, Content Marketing, PPC, and Social.

CEO: Daniel Foley Carter

Notable Clients: Lenovo, Hantec Markets, Fleet Tutors, Allianz, and The Bottle Club.

Annual Revenue: $5 Million (based on data from Owler)

Notable Results: 

• Sykes Dream Cottages achieved 110% more organic traffic in 6 months with 41% reduced bounce rate.
• NEEDaFIXER achieved a 92% increase in organic traffic under 12 months, with 19.44% reduced bounce rate.

Number of Employees: 11-50

Google Reviews: 5 Stars out of 33 Google reviews

Related: Web Design Mistakes That Ruin Your SEO

19- ClickDo

Business Name: ClickDo

Address: 225 Marsh Wall, Isle of Dogs, London E14 9FW

Contact Details: [email protected], +442071751344

Overview: ClickDo is a leading SEO agency in London that delivers powerful services to clients. ClickDo was also awarded as “Best SEO Consultancy Firm UK” in 2010.

In Business Since: 2013

Services Offered: SEO and Google Ads.

CEO: Fernando Raymond

Notable Clients: Liberty, Quick Wasters, Aqua Life, Srilankan Sports, and Matt Gingell.

Annual Revenue: <$1 Million (based on data from Zoominfo)

Number of Employees: 11-50

Google Reviews: 4.9 Stars out of 101 Google reviews

Related: How to Fix a Bad Google Review?

20- Kaizen

Business Name: Kaizen

Address: 225 Marsh Wall, Isle of Dogs, London E14 9FW

Contact Details: [email protected], 020 3962 0212

Overview: Kaizen is an SEO & Content Marketing agency in London, UK. 

In Business Since: 2014

Services Offered: SEO, Paid Social, Content Marketing, and App Store Optimization.

CEO: Pete Campbell

Notable Clients: Adidas, Trainline, Safestore, and SilkFred. 

Annual Revenue: N/A

Notable Results: 

• ETX Capital achieved 17.5% more traffic in just 8 weeks.
• Musixmatch achieved 15% more clicks and 20% more organic impressions.

Number of Employees: 1-10

Google Reviews: 4.7 Stars out of 12 Google reviews

Related: How to Make Website Trustworthy?

21- Impression

Business Name: Impression

Address: Runway East Borough Market, 20 St Thomas Street, London, SE1 9RS

Contact Details: [email protected], 0207 112 8148

Overview: Impression is an award-winning marketing agency based in the UK that aims to deliver only quality services to the business.

In Business Since: 2012

Services Offered: SEO, PPC, CRO and Digital PR.

CEO: Aaron Dicks

Notable Clients: Leica, Warwick, ToppsTiles, Marmalade, and Brewdog.

Annual Revenue: $25 Million (based on data from Zoominfo)

Number of Employees: 50-250

Google Reviews: 5 Stars out of 44 Google reviews

Related: Pinterest SEO Tips

22- Bubblegum Search

Business Name: Bubblegum Search

Address: 144 Molesey Rd, Hersham, Walton-on-Thames KT12 3PD

Contact Details: [email protected], +442081917373

Overview: Bubblegum Search is an SEO focussed company in London, UK that serves quality SEO and content services to the clients.

In Business Since: 2015

Services Offered: SEO and Content Marketing.

CEO: Matt Cayless

Notable Clients: Avocor, Over Board, and ShireDoors.

Annual Revenue: $18 Million (based on data from Zoominfo)

Notable Results: 

• Overboard achieved 68% search visibility with 80% more ranking keywords, leading to 22% more sales per month.
• Avocor achieved 80% more rankings and 130% more organic sessions, leading to a 90% increase in organic leads per month.

Number of Employees: 51-100

Google Reviews: 5 Stars out of 9 Google reviews

Related: B2B Content Marketing Ideas

23- Pearl Lemon

Business Name: Pearl Lemon

Address: Kemp House, 152 – 160 City Rd, London EC1V 2NX

Contact Details: [email protected], 44 207 183 3436

Overview: Pearl Lemon is a leading SEO agency in London, the UK with over 100 4+ star reviews. Pearl Lemon was also awarded with “SEO Services Company of the Year 2019”.

In Business Since: 2014

Services Offered: SEO, CMS, Ecommerce, Lead Generation, Content Writing, CRO, and PPC. 

CEO: Deepak Shukla

Notable Clients: AJ&Smart GmbH, EmergeOne, and Elevano.

Annual Revenue: $5 Million (based on data from Zoominfo)

Number of Employees: 11-50

Google Reviews: 4.8 Stars out of 139 Google reviews

Related: The Ultimate Guide to B2B Content Marketing Strategy

24- GenieCrawl

Business Name: GenieCrawl

Address: 120-122 High Street Whitton, Twickenham TW2 7LL, United Kingdom

Contact Details: [email protected], +442080997559

Overview: GenieCrawl is the UK’s leading internet marketing company with all the essential marketing services.

In Business Since: 2018

Services Offered: SEO, PPC, Video Marketing, Website Development, Ecommerce, Lead Generation, and Social Media.

CEO: Tony Andrews

Notable Clients: Subway, Papa Johns, Adventure Safari, and Desert Safari.

Annual Revenue: N/A

Notable Results: 

• Best Movers achieved ranking on 163 keyphrases with page 1 rankings keywords like “Dubai movers” and “movers in Dubai”.
• Dubai Desert Safari achieved ranking on 806 organic keyphrases with over 7k quality links.

Number of Employees: 1-10

Google Reviews: 4.8 Stars out of 23 Google reviews

Related: Ridiculously Easy Ways To Improve Content Marketing

25- The Good Marketer

Business Name: The Good Marketer

Address: 1 Primrose St, Spitalfields, London EC2A 2EX, United Kingdom

Contact Details: [email protected], 0203 963 0810

Overview: The Good Marketer comes with a vast range of marketing services, it is a London based marketing agency that is also recognised as Google Partner.

In Business Since: 2017

Services Offered: SEO, Social Media, Content Marketing, Email Marketing, Website Development, and CRO.

CEO: Tom Welbourne

Notable Clients: Oxford, Falans Assynt, Armada, Tower Transit, and Dreamtech.

Annual Revenue: N/A

Notable Results: 

• Online Discount Codes achieved 14.74% more traffic in 6 months with tons of organic rankings.
• The Camouflage Company achieved an increase in website traffic by 127.4% with 178% more in sales.
• Battersea Spanish achieved 136.3% more sales via Google and Facebook advertisement.

Number of Employees: 1-10

Google Reviews: 4.8 Stars out of 30 Google reviews

Related: Metrics To Calculate Your Digital Marketing ROI

26- Blue Array

Business Name: Blue Array

Address: 86-90 Paul Street, 3rd Floor London EC2A 4NE

Contact Details: [email protected], 0800 0119 123

Overview: Blue Array is the only SEO focussed agency in London. Blue Array was also awarded with various awards including European Agency Awards 2020 and Young Search Professional Of The Year 2019.

In Business Since: 2015

Services Offered: SEO

CEO: Simon Schnieders

Notable Clients: Amazon, HuffPost, WolfBadger, Trussle, and Lexoo.

Annual Revenue: $4 Million (based on data from Zoominfo)

Number of Employees: 11-50

Google Reviews: 5 Stars out of 3 Google reviews

Related: Free SEO Tools (No Credit Card Needed)

27- Submerge Media

Business Name: Submerge Media

Address: 27 Old Gloucester St, Holborn, London WC1N 3AX, United Kingdom

Contact Details: [email protected], 0207 971 1493

Overview: Submerge Media is the best in terms of providing SEO services to websites. Submerge is based in London, the UK that has worked with various large brands.

In Business Since: 2014

Services Offered: SEO, Content Marketing, and Social Media. 

CEO: Matthew Bath

Notable Clients: GSK, Sensodyne, Panadol, NicoDerm, and Parodontax.

Annual Revenue: N/A

Number of Employees: 1-10

Google Reviews: 5 Stars out of 1 Google reviews

Related: Free Backlink Checker SEO Tools

28- Rapid SEO London

Business Name: Rapid SEO London

Address: 71-75 Shelton St, West End, London WC2H 9JQ

Contact Details: [email protected], 020 8123 1581

Overview: Rapid SEO London is an agency of SEO professionals providing advanced services to clients since 2010.

In Business Since: 2010

Services Offered: SEO and PPC. 

CEO: Adam MacHardie

Notable Clients: Gold Grillz, Frost’s Fireplaces, and Arabella.

Annual Revenue: $2 Million (based on data from 10SEOS)

Number of Employees: 1-10Google Reviews: 4.8 Stars out of 50 Google reviews

Related: Best Digital Marketing Agencies in New York