About SEO Inc.
SEO Inc is a professional search engine optimization services provider that helps businesses improve their online visibility and drive organic traffic to their websites through expert SEO strategies.
SEO Inc.
A premier internet marketing firm with over 25 years of experience, offering expert SEO, paid search, and social media services.
CaliforniaSEO Services
Editorial Review
Our take on SEO Inc.
SEO Inc. stands as one of the longest-tenured SEO agencies in the industry, having operated for over 28 years from their Carlsbad, California headquarters. This exceptional longevity through multiple search algorithm evolutions demonstrates adaptability and sustained relevance in a rapidly changing industry where many agencies fail to survive major algorithmic shifts.
The agency maintains accreditation with the Better Business Bureau since 2008 and holds certifications from major platforms validating their expertise and ethical practices. Their extended track record provides prospective clients with confidence in organizational stability and process maturity that newer agencies cannot match.
SEO Inc. has positioned itself at the forefront of emerging search trends, including early investment in AI and LLM optimization strategies as search increasingly incorporates artificial intelligence. This forward-looking approach suggests clients benefit from methodologies anticipating future developments rather than reacting to changes after they impact rankings.
The agency's service offerings span technical SEO, content marketing, link building, local SEO, and enterprise solutions. Their experience across thousands of client engagements over nearly three decades translates to pattern recognition and strategic insight difficult for younger agencies to replicate.
SEO Inc. serves clients ranging from small businesses to Fortune 500 enterprises, demonstrating scalability across different organizational complexities and competitive intensities. Their Carlsbad location provides Southern California businesses with accessible local partnership while also serving clients nationally.
For organizations prioritizing agency stability, industry tenure, and demonstrated ability to evolve with search technology changes, SEO Inc. offers unmatched longevity in the market. Prospective clients should evaluate current team expertise and methodology to ensure legacy reputation translates to contemporary best practices. Their track record through multiple major algorithm updates provides reassurance for risk-conscious organizations.
Badges & Credentials
Verified credentials and recognition earned by SEO Inc.
5 badges
Verification
Verified
This agency has a verified website presence.
LinkedIn Verified
This agency has a verified LinkedIn company page.
Recognition
Top Rated
This agency has an exceptional AgencyCluster score of 80+.
Experience
15+ Years
Established in 1997. Over 15 years of experience.
Company
Small Team
Small (11-50)
Awards & Recognition
Rankings earned on AgencyCluster
4 awards
About SEO Inc.
Common questions about SEO Inc..
Where does SEO Inc. rank on AgencyCluster?
SEO Inc. has earned rankings on 4 AgencyCluster lists: Top 10 SEO Services in California, Top 25 SEO Services in California, Top 25 SEO Services, Top 50 SEO Services. Their highest AgencyCluster Score is 89/100. Rankings are merit-based and determined by evidence across six evaluation pillars — agencies cannot pay for higher positions.
What are SEO Inc.'s strengths according to AgencyCluster?
In our evaluation for SEO Services, SEO Inc. scores 89/100 overall. Their strongest areas are Credibility, Category Fit, Freshness, Proof of Work & Outcomes, Reputation, Delivery Maturity. A high Outcomes score means they have verifiable case studies with measurable results — the most heavily weighted factor in our methodology.
How long has SEO Inc. been in business?
SEO Inc. was founded in 1997, giving them over two decades of experience in seo services. In an industry where many agencies are less than 5 years old, 29+ years of sustained operations signals stability, client retention, and the ability to adapt through multiple technology cycles. Today, the team is small team.
What does a typical seo services project cost with an agency like SEO Inc.?
Enterprise SEO retainers typically cost $5K–$25K/month. One-time technical SEO audits range from $3K–$15K. Content-heavy SEO programs (strategy + production) run $8K–$30K/month. These are industry benchmarks for seo services agencies at the level AgencyCluster curates. Actual pricing for SEO Inc. will depend on project scope, timeline, and complexity — contact the agency directly for a custom quote.
Is SEO Inc. a verified agency?
Yes. SEO Inc. has been vetted and verified by AgencyCluster's editorial team through a rigorous, multi-factor review process. Unlike self-serve directories, AgencyCluster does not accept automated submissions — every agency is evaluated manually before being published. Our vetting covers identity verification (website, LinkedIn, domain age), business legitimacy (years of operation, team size, registered presence), evidence of work (case studies, portfolio, client outcomes), reputation checks across third-party platforms, activeness and freshness of their online presence, and screening for red flags including misconduct, fraud, or misleading claims. Agencies that fail any critical check are not listed. For SEO Inc., verified signals include a functioning website, LinkedIn company profile, 29+ years of operating history (founded 1997), 4 earned rankings on curated top lists.