Top Cannabis and CBD SEO Agencies for Backlinks and Organic Growth (2026)
For CBD and hemp brands, organic search is often the main growth channel. Paid ads on Google and Meta are heavily restricted, influencer rules keep tightening, and marketplaces limit what CBD sellers can list. That leaves rankings, and rankings in competitive CBD terms depend heavily on backlinks.
Some brands only need links. Others need an agency that can connect link building to keyword strategy, content and measurement. This guide covers seven agencies that build backlinks for cannabis and CBD businesses, from link-focused specialists to full-service cannabis marketing firms, so you can match the agency to the job.
What makes a strong CBD SEO and link building partner
- Measurement first: the agency should show how links connect to traffic, leads and revenue, not just domain rating.
- Clean sourcing: no private blog networks, automated link tools or paid-link marketplaces.
- Content that publishers accept: educational CBD content that editors will publish without stripping the link later.
- Honest reporting: live links, anchors and results shown as they are, including periods when traffic falls.
1. SEO Engico
SEO Engico is a London SEO and link building agency that measures its work on revenue rather than rankings. Before running SEO for a client, it sets up the measurement needed to see what search is actually worth to the business. For CBD brands, that means link building planned around the pages that drive sales instead of a monthly link quota.
Its cbd llink building service is manual and vetted. Each prospective site must show Ahrefs-verified organic traffic, relevance to the client’s niche and a clean outbound link profile. Around 70% of sourced sites fail that last check. The agency does not use private blog networks or marketplace lists, and 94% of its links remain live after 12 months.
SEO Engico’s CBD work includes CBDfx UK, CBD.co and Entour Brand. Its published CBDfx data shows estimated organic traffic rising from 25,519 in January 2026 to 42,693 in May 2026, then settling at 33,600 in August. The agency includes the decline on purpose, which is a useful signal of how it reports to clients.
Beyond links, SEO Engico offers AI search visibility work aimed at getting brands cited in ChatGPT, Perplexity, Gemini and Google AI answers, plus listicle placements on best-of lists. That matters for CBD buyers, who increasingly ask AI tools which brands to trust.
Key features:
- Revenue-based SEO measurement set up before any optimization
- Manual guest posts, niche edits and digital PR with live URL reporting
- AI search visibility and best-of listicle placements
- Published pricing, with links from $425 each direct
- SEO Agency of the Year (London and South East England), Prestige Awards 2026/27, and a 2026 finalist for Best Digital Marketing Agency at the UK Small Business Awards
Best for: CBD and hemp brands that want backlinks tied to measurable revenue, with visibility in both Google and AI search.
2. NisonCo
NisonCo was established in 2013 as a cannabis PR firm and now combines public relations, content marketing and SEO across cannabis, CBD, dispensary and psychedelics clients. Its links come largely from earned media coverage rather than purchased placements, which tends to produce links from stronger publications.
Best for: CBD brands that want press coverage and authority alongside links.
3. NUOPTIMA
NUOPTIMA is a UK growth agency based in Barnet that runs dedicated CBD and cannabis SEO services. Its process covers SEO audits, keyword research, content creation, backlink building and technical optimization, and it reports more than 300 SEO projects. It also offers local SEO and generative engine optimization.
Best for: UK and international CBD brands that want one agency for content, links and technical SEO.
4. Latched
Latched is a Vancouver agency focused on cannabis and CBD digital marketing across North America. Its SEO work includes keyword research, manual link building, broken link building, citation building and responsive link building driven by media monitoring. Retainers start around $2,000 per month according to its UpCity profile.
Best for: Canadian and US cannabis brands with a monthly SEO retainer budget.
5. Linkflow
Linkflow is a boutique link building and content marketing agency with a dedicated cannabis SEO offering. Its process runs from link strategy through cannabis website outreach to natural link placement, and the team has experience in other restricted industries.
Best for: CBD brands that want a smaller, link-focused team with content support.
6. MediaJel
MediaJel is a cannabis marketing company with SEO, advertising and analytics services. Its link building guidance centers on dispensaries: cannabis directories, industry publications, local partnerships and broken link building aimed at local search.
Best for: dispensaries and multi-location cannabis retailers focused on local SEO.
7. Click Intelligence
Click Intelligence is a UK digital marketing agency that builds custom CBD link building strategies alongside work for other regulated niches such as vape, pharmaceutical and iGaming. Campaigns include blogger outreach and monthly reporting used to adjust strategy over time.
Best for: CBD brands that also operate in other regulated categories.
Quick comparison
| Agency | Type | Link approach | Best for |
|---|---|---|---|
| SEO Engico | SEO and link building | Manual, three-step vetting | Revenue-tied links and AI visibility |
| NisonCo | Cannabis PR and SEO | Earned media | Press and authority |
| NUOPTIMA | Growth agency | Outreach plus content | All-in-one SEO |
| Latched | Cannabis marketing | Manual, broken link, citations | North American brands |
| Linkflow | Boutique link building | Outreach and placement | Link-focused campaigns |
| MediaJel | Cannabis marketing | Local and directory links | Dispensaries |
| Click Intelligence | Digital marketing | Custom outreach | Multi-niche regulated brands |
Choosing the right agency for your CBD brand
If your site is technically sound and your content is strong, a link-focused partner will usually give you the best return. If rankings have stalled for reasons you cannot pin down, start with an agency that audits and measures before building links, so the links go to pages that can convert.
Dispensaries should prioritize local links and citations. Ecommerce CBD brands competing nationally need editorial links from health, wellness and lifestyle publishers. Brands planning for AI search should ask whether the agency tracks citations in tools like ChatGPT and Perplexity, since that is where a growing share of product research starts.
Frequently asked questions
Do CBD brands need a cannabis-only agency?
Not necessarily. Cannabis-only agencies bring industry relationships, but a generalist with strict vetting and real CBD client results can deliver cleaner links. The deciding factor is the quality of the sites they place on.
How many backlinks does a CBD site need each month?
For most brands, 10 to 20 relevant, high-quality links a month is a sensible starting point. Large bursts of links can attract attention a CBD site does not want.
Can link building help with AI search visibility?
Yes. AI tools draw on sources that rank well and get cited often, so mentions on trusted publications and best-of lists improve the chances of a brand appearing in AI answers.
Final thoughts
CBD brands cannot rely on paid ads, so their SEO partner carries more weight than in most industries. SEO Engico is our top choice because it connects carefully vetted links to measurable revenue and extends that work into AI search. NisonCo suits brands that want PR-led authority, and NUOPTIMA suits those that want a single agency for every part of SEO.