Looking for a trustworthy international SEO agency to elevate your online presence and drive global customers to your business? We analyzed numerous agency profiles, success stories, and client testimonies to handpick a list of top international SEO companies and help businesses like yours find a partner for long-term success. Explore our directory and filter the selection by location, pricing, minimum budget, team size, and other criteria.
After assessing hundreds of agencies, we carefully selected this list of leading international SEO agencies, considering their services, awards, portfolios, industry reputation, pricing, and client reviews. Explore these top agencies and their specializations to find a reliable SEO partner.
The Number 1 International SEO Agency as Selected by DesignRush Is...
Specializing in marketing localization, Wordbank helps businesses establish a lasting global presence. As an international SEO agency, it provides in-language and in-market keyword research, technical search engine optimization (SEO), SEO-driven website localization, international domain authority, and international SEO audit. These services are further supplemented with pay-per-click (PPC) advertising, social media, website localization, and video localization for a holistic international digital marketing strategy. With over 36 years of industry expertise, Wordbank has executed strategic marketing campaigns in over 180 languages and 110 countries.
Wordbank Success Story
Challenge: For-profit pathway education provider INTO sought to attract high-quality web inquiries from Chinese, Russian, and Arabic-speaking countries. To accomplish this, it partnered with the international SEO agency Wordbank.
Solution: Wordbank first analyzed country-specific marketing trends and opportunities and used the findings to develop SEO and social media strategies for each country. This included key page identification to determine the specific pages to market to each locale, country-specific keyword research, and native-speaking translators. It also ran PPC campaigns to achieve INTO's short-term goals and gain more insight into each market.
Results: With Wordbank’s strategies, INTO surpassed its targets in achieving higher engagement across Russian, Chinese, and Arabic audience. The client increased its web traffic by 50%, receiving 300 Arabic inquiries, and boosting English inquiries by 40.
Notable clients: WnD, Youniq, Best Western Hotels & Resorts, Fellowes, Douglas
With a focus on search engine marketing (SEM) and SEO, Delante has honed its craft to provide sustained traffic growth to its clients. Its international SEO expertise covers keyword research, SEO audit, technical SEO, SEO copywriting, SEO content optimization, link building, analytics and reporting, and SEO consulting. When targeting specific geographic areas, Delante optimizes popular local search engines and acquires links from high-traffic country domains for more effective outcomes. The international SEO company has been recognized by the Global Search Awards, Global Agency Awards, and the International Performance Marketing Awards.
Delante Success Story
Challenge: Seeking to elevate the search traffic across its French and German domains, window manufacturer WnD partnered with Delante.
Solution: Delante applied on-site SEO for the French and German web pages, optimizing meta tags, titles, and image alt tags to include valuable keywords and meet the ideal length for each. The agency also adjusted the heading structure to follow best SEO practices, added content to pages with abysmal text, replaced text lifted from competitor websites, and enriched the blogs for each target market. Additionally, Delante enhanced website speed and core website vitals and acquired backlinks relevant to the client and its target market.
Results: WnD’s French domain website increased organic traffic by 91%, visibility by 77%, and gained 110 unique phrases in the top 10 SERPs. Concurrently, the German domain registered an 800% increase in organic traffic, a 359% rise in visibility, and recorded 179 unique phrases in the top 10 SERPs.
Notable clients: GitLab, TCGplayer, University of Leeds, Innova Care Concepts, The Pen Company
SALT.agency is an international SEO company experienced in tailoring campaigns for the Asia-Pacific (APAC), Russian (Yandex), Chinese (Baidu), and EMEA regions. The agency’s capabilities extend to SEO consultancy, SEO audit, technical SEO, content marketing, website auditing and analysis, performance analysis, reporting, and data-led public relations (PR). Attesting to its quality service, SALT.agency has been granted the prestigious Queen’s Award for ‘International Trade Enterprise.’
SALT.agency Success Story
Challenge: GitLab approached SALT.agency to fix prevailing SEO issues, improve the technical aspects of its website, and enhance its global search presence.
Solution: After a comprehensive technical audit, SALT.agency debugged the website’s JavaScript, elevated mobile usability, conducted indexing analysis across multi-million URL websites and implemented core web vitals monitoring. The agency launched an international SEO strategy targeting the Chinese region wherein it identified keyword and topic gaps, strategized topic clusters, and supplied content briefs with keyword targets.
Results: By closely collaborating with GitLab’s internal team and providing regular reporting and analysis, SALT.agency notably improved the client’s website rankings, visibility, and user experience. The joint effort led to a 78% rise in non-branded organic traffic and helped maintain GitLab’s position as one of the top DevOps tools worldwide.
Notable clients: TouchNote, Wyse London, Grind, Football Shirt Collective, Dr.V
StudioHawks helps brands establish a global presence through international SEO audits, backlink strategies, technical SEO, on-page SEO, search intent research, website migration, and copywriting. With a strong dedication to SEO, it has produced award-winning campaigns, receiving recognitions like the APAC Search Award, Global Search Awards, SEMrush Search Awards Australia, and Marketing Innovation Awards. Seeking to influence the next generation of marketers, StudioHawk has launched the Hawk Academy, imparting the latest SEO best practices in line with the latest search engine updates.
StudioHawk Success Story
Challenge: Lacking the essential international SEO expertise, TouchNote encountered costly errors while adapting its website for global markets. To remedy these challenges, the company sought the expertise of StudioHawk.
Solution: After analyzing the client’s website, StudioHawk corrected the hreflang tags that specify the language and regional targeting of the page, used a region selector to link regions in the footnote, and cleared keyword cannibalization issues in the website content and copy. Upon learning that the blogs were housed in a separate domain, which Google recognized as a different website, the agency migrated the blogs back to the main domain and created landing pages that targeted specific occasions and target personas.
Results: Through StudioHawk’s efforts, TouchNote elevated non-branded clicks from Google search by 108% year-over-year (YoY) and keyword rankings by 202%. It also attained a 209% return on campaign investment.
Notable clients: Clarins, Cancer Research UK, Queensmith, Norse, Topps Tiles
Seeking to transform brands from market players to market leaders, Impression provides comprehensive international SEO strategies that cover website domain restructuring, on-page optimization, technical SEO, competitor and industry review, and international link building. As part of the service, the agency identifies expansion opportunities for search engines outside of Google and provides multilingual SEO considerations for the EMEA and APAC regions. Crafting innovative international SEO solutions for over 12 years, Impression has piqued the attention of notable awarding bodies, including the European Search Awards, The Drum Awards, and the Global Search Awards.
Impression Success Story
Challenge: With the ambition to sustain the surge in online sales brought by the 2020 pandemic, Clarins wanted to match or surpass 2020’s monthly traffic figures.
Solution: As Clarins directly translated the website copy from French to British English, there were several discrepancies in tone, with the content not being optimized for search. Impression improved the translations of 40 key category pages and implemented country-specific keywords. Next, it applied a competitor gap analysis and SEO audit and further enhanced 59 additional pages. The agency also worked on the Black Friday, advent, and Christmas pages, submitting input and recommendations for seasonal gift pages.
Results: By September 2020, Clarins’ organic traffic grew by 6.24% despite a negative market forecast for the given period. Within the following year, the client boosted its YoY organic visibility by 8.4%.
Notable clients: City Goddess, Thomas Reuters, Dune London, Bank of China, Sodexo
Helping brands dominate global markets, POLARIS curates results-driven international SEO strategies encompassing SEO strategy audit, on-site SEO, technical SEO, content marketing, digital PR and outreach, and SEO site migrations. To ensure the effectiveness of these strategies, the international SEO agency conducts behavioral analysis and search engine compliance, offering a 90-day SEO sprint as a complementary service. In doing so, it has driven $618 million in sales, a 2,400% average return on investment (ROI), and a 118% average ranking increase to its clients.
POLARIS Success Story
Challenge: UK-based fashion wholesaler City Goddess wanted to expand its operations internationally by launching an online marketplace, named tradegala.com, where wholesalers could connect. The objective was to launch the website in 10 countries.
Solution: Considering the novelty of the brand, POLARIS first targeted five English-speaking countries to establish the brand name and gain rapid results. It also analyzed competitors in each target market to identify SEO nuances, developing international SEO strategies for 14 countries with a separate localized site. The agency also implemented digital PR and acquired brand mentions, social shares, and course links to amplify the website promotion in each target market.
Results: POLARIS penetrated 14 countries, including France, Germany, Spain, and Italy. Following the SEO implementations, the client’s total traffic grew by 1,800% and leads by 30%.
Notable clients: L3Harris Airline Academy, Hello Fresh, Brakes, UKTV, The Salvation Army
On a mission to establish brands across their target markets and contribute to their business growth, Reflect Digital tailors robust international SEO strategies. Its services include SEO auditing, website migrations, technical SEO, digital PR, SEO reputation management, outreach and link building, copywriting, keyword research, and SEO competitor analysis. Boasting over 13 years of industry experience, the agency has received numerous accolades, including the European Search Awards, UK Digital Growth Awards, and inOrbit Awards.
Reflect Digital Success Story
Challenge: Sustaining unfavorable results from previous SEO investments, L3Harris Airline Academy approached Reflect Digital to enhance its online presence and market share worldwide via international SEO strategies.
Solution: Determined to accommodate the client’s request, Reflect Digital devised a multifaceted SEO roadmap. Comprehensively, the service covered SEO audit, competitor analysis, keyword research, technical SEO, conversion rate optimization, and web migration. Beyond content optimization and technical SEO, Reflect Digital deployed a series of digital PR tactics to ensure the intended content reached the targeted audience based on their location.
Results: Within six months, the client recorded a 9% increase in sessions, a 28% rise in organic conversion rate, and a 38% boost in users applying for pilot training. Moreover, its organic lead generation grew by 65% YoY across the US, UK, and Europe.
Notable clients: Expedia, Salesforce, eBay, Greenpeace, American Express
Being an international marketing company with a global team spanning 12 countries, In Marketing We Trust leverages its cross-border expertise to produce impactful multilingual SEO content optimized per region and key search engine platforms. Its international SEO process includes geo-targeting countries and languages, hreflang implementation, geolocated link building, country-specific keyword research, cultural and linguistic audit, and leveraging region-specific search engines and tools. Building a market presence for 14 years, In Marketing We Trust’s services have been trusted by prominent global brands like Coca-Cola, Citibank, Bayer, and Canva.
In Marketing We Trust Success Story
Challenge: Having worked with In Marketing We Trust since 2014, Expedia requested the agency’s assistance in growing its non-branded, non-English traffic in the APAC region by 12%.
Solution: To identify the most effective international SEO tactics, In Marketing We Trust ran over 100 SEO traffic tests across 11 countries, including Japan, Korea, Hong Kong, and Australia. This meant targeting 13 different pages across two lines of businesses and making Expedia’s websites locally relevant for each target market. The collaboration ran for a year and a half, with the central focus being on adjusting the SEO elements across the most important and profitable landing pages.
Results: Within 18 months, In Marketing We Trust exceeded Expedia’s goals, elevating total brand site traffic by 14%, Expedia lodging page traffic by 18%, and Hotels.com website traffic by 22%. Within this timeline, Expedia registered a gross profit of $300,000 from winning tests.
Striving to help businesses maximize their digital potential, The SEO Works offers international SEO expertise spanning keyword research, competitor research, technical and content SEO audits, and content optimization. Beyond SEO, the agency provides content marketing, digital PR, data-driven strategy development, implementation and refinement, and monthly detailed reporting and analysis. In recognition of its commitment to delivering tangible results, the international SEO company has won the Global Agency Awards, Global Search Awards, Web Excellence Awards, and The Drum Search Awards.
The SEO Works Success Story
Challenge: Being among the largest supplier of tattoo and body piercing equipment in the UK, Barber DTS reached out to The SEO Works to expand its global reach across France, the UK, and Germany.
Solution: The SEO Works performed extensive country-specific keyword research to determine the common terms users used when searching for tattoo supplies in each of the targeted locations. Based on the findings, the content pages were optimized accordingly with the identified terms. It also corrected hreflang values and removed duplicate content to improve crawlability.
Results: The client registered a significant uplift in its website performance in the UK, France, and Germany. Its international organic visits increased by 49%, organic visits in Germany by 49%, and organic visits in France by 32%. Barber DTS also gained 30 new first-page rankings.
Wpromote accelerates business growth by implementing innovative international SEO strategies comprised of keyword cohort analysis, casual impact analysis, site migrations, conversion rate optimization, voice search, YouTube SEO, Pinterest SEO, organic shopping, App Store optimization, and SEO development services. Additionally, it propels the impact of its campaigns using its proprietary Polaris technology that provides data-driven insights into each strategy. Attesting to its unique combination of innovation and data, Wpromote has won over 56 awards, including the Google Premier Partner Award, Search Engine Land Awards, The Drum Awards, and the Digiday Awards.
Wpromote Success Story
Challenge: Small business accounting software company Xero sought to expand its digital presence, specifically across US markets.
Solution: Wpromote devised a comprehensive international SEO strategy for Xero, which involved meticulous keyword research and the implementation of on-page, off-page, and technical SEO tactics. This approach ensured that search engines could easily index the website, and users were directed to the most relevant content for their region. Additionally, Wpromote created compelling and relevant content to drive traffic, engage audiences, and enhance the brand's credibility.
Results: Through Wpromote’s expertise, Xero grew its US audience and reinforced its position in the market. Namely, the client saw a 20% surge in US organic sessions and a 26% increase in new US users.
How We Picked the Best International SEO Companies
To choose the best international SEO companies, we evaluated numerous agency profiles, considering their skills, past achievements, reported strategies, client references, and previous collaborations. In doing so, we developed an effective assessment process to identify the leading international SEO companies capable of targeting global markets through customized international SEO strategies.
Our team of industry experts analyzes agencies based on the following criteria:
Reviews: Client satisfaction, level of trustworthiness, project management, communication style, and work ethics
Portfolio: Successful projects showcasing the agency’s approach to delivering tangible results
Awards and recognitions: List of notable achievements and affirmations by reputable third-party agencies
Team bios: Overview of employee profiles and relevant international SEO experience
Top services: Core competencies and areas of focus
International SEO expertise: Ability to grow a brand’s global presence and expand its reach to target country markets through customized international SEO strategies
10 Most Popular International SEO Agencies Compared
Agency
Location
Hourly rate
Size
Best for
Wordbank
Denver, CO
Inquire
50-99
Overall
Delante
Krakow, Poland
$150
50-99
On-site SEO
SALT.agency
London, United Kingdom
Inquire
Under 49
Technical SEO
StudioHawk
London, United Kingdom
$149
Under 49
Hreflang optimization
Impression
Nottingham, United Kingdom
Inquire
Under 49
International keyword research
POLARIS
London, United Kingdom
Inquire
Under 49
Off-page SEO
Reflect Digital
London, United Kingdom
$199
Under 49
SEO audits
In Marketing We Trust
Sydney, Australia
Inquire
Under 49
APAC SEO
The SEO Works
Sheffield, United Kingdom
$100
50-99
eCommerce SEO
Wpromote
El Segundo, CA
$150
250-449
SEO content marketing
Best International SEO Companies
Every SEO agency featured on DesignRush is evaluated for SEO expertise, service quality, and verified client feedback. Some featured placements may be paid.
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