| K-position: UK-based firm offers to identify critical keyword phrases, optimise tags, links and page text and search engine submission. |
| Karyn Wergland: Offers search engine optimization, pay-per-click, and Internet marketing strategy with ROI analysis. Boston, USA. |
| Kawin Web Promotion: Provides web site optimization and search engine management. Chicago, Illinois. |
| KBK Marketing: Offers web development, design, interactive marketing and search engine positioning. |
| Key Position: Provides information on search engine optimization and placement services. Includes a SEO University on tips and marketing advice, free ranking reports, and consultation. |
| Key Searches: Search engine optimisation and promotion services. |
| KeyRelevance: Provides web site optimizing and marketing services. Includes services, articles, company profile. Based in Wylie, Texas. |
| Keys to Knowledge: Provides search engine placement, ranking and optimization. West Dundee, Illinois. |
| Keyword First: Provide search engine optimization services and pay-per-click campaign management. |
| Keyword Marketing: UK-based firm offers a variety of search engine optimisation, reporting, consulting and submission services |
| Keyword Performance Company: Internet marketing company providing search engine optimization services, keyword positioning, link popularity and content management. |
| Keywords Central: Provides keyword research, optimization and advertising services. Cheshire, Connecticut. |
| Kijos: A web site design, hosting and search engine optimisation. |
| Kimachi.com: Web design, application development, database design and IT support studio providing details of services on offer, online quotes, client information and contacts. |
| KLECS: Provides web site design, search engine optimization and submission services. |
| Kliotech: Offers web site development and search engine optimization service. Based in Chennai, India. |
| Koded Search Engine Optimisation: Provides optimisation, submission, pay per click advertising, reporting, and consulting. Based in United Kingdom. |
| KoMarketing Associates: Provides search engine optimization, advertising, marketing plan development, website strategy and project management. Waltham, Massachusetts. |
| Kookaburra Technology Consulting: Provides search engine placement and web site statistics. |
| Korean Search Engines: Translates and submits sites to Korean search engines. |
| Kreative Webworks: Website promotion, optimization, development, consulting services and email marketing. |
| KVC Info Pvt. Ltd.: Offers website optimization, design and hosting. Delhi, India. |
| Strategic Ranking: Customized search engine marketing, optimization, pay-per-click campaigns and training solutions. Richmond, Virginia. |
| The Kolberg Partnership: UK-based firm offering optimisation, pay per click account management, paid inclusion strategies and real-time website statistics. |
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