Hiring an SEO agency is a significant decision. The right agency can transform your business. The wrong one can waste your money—or worse, damage your site with bad practices.
Here's what to look for (and watch out for) when choosing an SEO agency.
Must-Have Qualities
1. Proven Track Record
Look for agencies with documented case studies showing real results. Not vague claims of "increased traffic"—specific numbers and verifiable outcomes.
Ask for: Case studies with specific metrics, client references you can contact, examples in your industry or similar businesses.
2. Transparent Processes
A good agency explains what they do and why. They should be able to describe their approach in terms you understand.
Red flag: "We can't reveal our methods" or overly vague explanations. There's no secret sauce—just good execution of proven strategies.
3. Clear Communication
SEO requires ongoing collaboration. Your agency should be responsive, provide regular updates, and be available to answer questions.
Evaluate: How quickly did they respond to your inquiry? Do they explain things clearly? Do they listen to your needs?
4. Realistic Expectations
Honest agencies set realistic expectations about timelines and results. They don't promise overnight success or guaranteed rankings.
Red flag: "We'll get you to #1 in 30 days" or other too-good-to-be-true promises.
5. White-Hat Practices Only
Ensure the agency uses only ethical, Google-approved tactics. Black-hat techniques might show short-term gains but can result in devastating penalties.
Ask directly: What link building methods do you use? Have any clients ever been penalized?
What to Ask During the Sales Process
How do you approach keyword research? They should describe a process that includes understanding your business, analyzing competition, and identifying opportunities.
What does a typical first 90 days look like? They should have a clear onboarding and implementation process.
How do you measure success? Look for agencies focused on business outcomes (leads, revenue), not just vanity metrics (rankings alone).
How often will we communicate? Regular reporting and access to your team is essential.
What do you need from us? Good agencies need collaboration—access to your site, information about your business, etc.
Can you share references? Legitimate agencies have happy clients willing to speak with prospects.
Red Flags to Avoid
Guaranteed rankings: No one can guarantee specific positions. Google's algorithm is complex and always changing.
Secret techniques: There are no magic tricks. If they won't explain their methods, be suspicious.
Extremely low prices: Quality SEO requires significant time and expertise. $200/month "full service" SEO isn't real.
Purchasing links: Buying links violates Google's guidelines. This can result in penalties.
No reporting: You should receive regular, detailed reports on activities and results.
Long contracts with no out: Confident agencies don't need to lock you in for years.
They contacted you out of the blue: Spammy outreach is a red flag about their methods.
Evaluating Proposals
When reviewing proposals, look for:
Customization: Is this a generic proposal or tailored to your business? Did they research your site?
Clear deliverables: What exactly will they do each month? Vague "optimization" isn't enough.
Pricing transparency: Understand exactly what you're paying for and what's included.
Realistic projections: Any projections should be reasonable and come with appropriate caveats.
Questions to Ask References
When speaking with references:
How long have you worked together? What results have you seen? How is communication? Have there been any issues? Would you hire them again?
Trust Your Gut
Beyond the checklist, trust your instincts. Do you feel comfortable with this team? Do they understand your business? Do they seem genuinely interested in your success?
The best agency relationships feel like partnerships. Look for a team you enjoy working with, because you'll be working together for a long time.