Table of Contents
- Screaming Frog founders and financing at a glance
- Who is Dan Sharp?
- Who is Graeme Radford?
- Who is Jason Lock?
- Why the founders built Screaming Frog
- What Screaming Frog does
- What makes the founder thesis distinctive?
- Screaming Frog financing and transaction history
- What the latest milestone was intended to change
- Founder and company timeline
- The founders' public thesis
- Strengths, risks and unresolved questions
- Evidence to watch over the next 12 to 18 months
- Frequently asked questions
Dan Sharp, Graeme Radford and Jason Lock founded Screaming Frog, the technical seo crawling software and search marketing agency business now serving technical seo professionals, agencies, developers and in-house search teams. Dan Sharp is Co-founder and Director; Graeme Radford is Co-founder and Director; Jason Lock is Co-founder and Director.
The latest material financing milestone covered here is No external funding disclosed, dated 2026-07-21. The relevant total is Bootstrapped / undisclosed, labelled as privately held with no verified institutional financing identified. It is company-level capital or transaction value—not founder net worth.
Authentic Screaming Frog website evidence captured on 21 July 2026.
Screaming Frog founders and financing at a glance
| Field | Verified information |
|---|---|
| Founding team | Dan Sharp, Graeme Radford and Jason Lock |
| Current or documented roles | Dan Sharp: Co-founder and Director; Graeme Radford: Co-founder and Director; Jason Lock: Co-founder and Director |
| Company | Screaming Frog — screamingfrog.co.uk |
| Founded | 2010 |
| Headquarters or operating scope | Henley-on-Thames, Oxfordshire, United Kingdom |
| Product category | Technical SEO crawling software and search marketing agency |
| Primary customer | Technical SEO professionals, agencies, developers and in-house search teams |
| Latest financing milestone | No external funding disclosed, 2026-07-21 |
| Total or transaction value | Bootstrapped / undisclosed — privately held with no verified institutional financing identified |
| Public status | Privately held or part of an acquirer |
| Last verified | 21 July 2026 |
Who is Dan Sharp?
Dan Sharp is Co-founder and Director at Screaming Frog. Dan Sharp's role should be read in its current context: founder status is permanent, while executive responsibility can change as a company scales, lists publicly or is acquired.
Founder profile: Connect with Dan Sharp on LinkedIn.
Dan Sharp in Screaming Frog’s official team directory.
In the founding team, Dan Sharp contributed to the combination of product judgment, technical execution and go-to-market work behind Screaming Frog. The public evidence does not justify claims about private ownership, personal wealth or undisclosed internal responsibilities.
Who is Graeme Radford?
Graeme Radford is Co-founder and Director at Screaming Frog. Graeme Radford's role should be read in its current context: founder status is permanent, while executive responsibility can change as a company scales, lists publicly or is acquired.
Founder profile: Connect with Graeme Radford on LinkedIn.
Graeme Radford in Screaming Frog’s official team directory.
In the founding team, Graeme Radford contributed to the combination of product judgment, technical execution and go-to-market work behind Screaming Frog. The public evidence does not justify claims about private ownership, personal wealth or undisclosed internal responsibilities.
Who is Jason Lock?
Jason Lock is Co-founder and Director at Screaming Frog. Jason Lock's role should be read in its current context: founder status is permanent, while executive responsibility can change as a company scales, lists publicly or is acquired.
Founder profile: Connect with Jason Lock on LinkedIn.
Jason Lock in Screaming Frog’s official team directory.
In the founding team, Jason Lock contributed to the combination of product judgment, technical execution and go-to-market work behind Screaming Frog. The public evidence does not justify claims about private ownership, personal wealth or undisclosed internal responsibilities.
Why the founders built Screaming Frog
Sharp first operated as an independent SEO consultant, then reunited with Radford and Lock to incorporate Screaming Frog. In parallel, Liam Sharp built the SEO Spider from Dan’s operational need for a faster way to collect technical site data; the tool spread by word of mouth before becoming a commercial product.
This is documented company history plus editorial assessment. It does not establish private motivations beyond what the founders and company have said publicly.
What Screaming Frog does
Screaming Frog combines a UK search agency with the desktop SEO Spider and Log File Analyser. The crawler audits URLs, metadata, directives, links, rendering, structured data and many other technical signals at scale.
The best AI search optimization agencies comparison is useful for readers comparing the authority and visibility work that sits outside a customer-engagement platform. The guide to citation-ready content for AI search explains a related content-distribution problem.
What makes the founder thesis distinctive?
The company pairs hands-on agency work with a practitioner-built desktop crawler. The CSV attributes the company only to Dan Sharp, but Screaming Frog’s official history names Graeme Radford and Jason Lock in the 2010 founding team and separately credits Liam Sharp with building the Spider.
Our assessment is that durable differentiation must show up in customer outcomes, workflow adoption, reliable data movement and lower operating cost—not only in feature count or AI branding.
Screaming Frog financing and transaction history
| Announcement date | Round or instrument | Amount | Lead or named participants | Reported use | Evidence status |
|---|---|---|---|---|---|
| 2010–2026 | Founder- and customer-funded growth | No external round disclosed | Founders and operating revenue | Build agency and SEO software products | No institutional financing identified |
| — | Current qualified figure | Bootstrapped / undisclosed | — | — | privately held with no verified institutional financing identified |
The headline uses No external funding disclosed because it is the clearest recent milestone in the verified record. Different instruments are not silently combined: acquisition consideration, IPO proceeds, primary funding and secondary liquidity have different meanings.
What the latest milestone was intended to change
Public statements connect the milestone to some combination of product investment, AI capability, geographic expansion, hiring, acquisitions or shareholder liquidity. Those plans are attributed intentions, not proof that each outcome occurred. Evidence should include shipped capabilities, adoption, retention, unit economics and customer results after the transaction.
Founder and company timeline
| Period | Milestone |
|---|---|
| 2010 | Sharp begins consulting under the Screaming Frog name. |
| 2010 | Sharp, Radford and Lock incorporate the company. |
| 2010 | The SEO Spider is released publicly after development led by Liam Sharp. |
| 2013 | Liam Sharp joins the business full time. |
| 2026 | Screaming Frog continues operating both agency services and technical SEO software. |
The founders' public thesis
Across the available company history, the founders argue that customer data becomes valuable when operating teams can turn it into timely, coordinated action. The exact emphasis differs by company—category creation, accessibility, data ownership, real-time infrastructure or AI-assisted execution—but the test is similar: can a customer make better decisions without adding hidden complexity?
Strengths, risks and unresolved questions
Visible strengths
- A founding thesis attached to a recurring and measurable marketing workflow.
- Product history and financing evidence available from primary sources.
- A platform broad enough to influence data, orchestration and customer communication.
Material risks
- No external financing ledger is available.
- Desktop crawls can stress sites when rate and scope controls are poorly configured.
- JavaScript rendering, authentication and large-site sampling require deliberate crawl design.
Questions buyers and researchers should ask
- Which founder roles are current, and which describe historical service?
- How is incremental customer or revenue impact measured against a control?
- What data, consent, model and deliverability controls constrain automated action?
- Which transaction amounts were primary capital, secondary liquidity or acquisition consideration?
- What implementation resources are required before the platform produces reliable value?
Evidence to watch over the next 12 to 18 months
Watch for independently explainable retention and expansion, transparent AI evaluation, successful migrations, product delivery tied to the announced financing purpose and current executive-role disclosures. For public companies, filings provide a stronger operating signal than promotional customer counts alone. For private companies, future financing announcements should identify transaction composition clearly.
Frequently asked questions
Who founded Screaming Frog?
Screaming Frog was founded by Dan Sharp, Graeme Radford and Jason Lock.
What does Screaming Frog do?
Screaming Frog provides technical seo crawling software and search marketing agency capabilities for technical seo professionals, agencies, developers and in-house search teams.
What is Screaming Frog's latest financing milestone?
The latest milestone verified for this profile is No external funding disclosed, dated 2026-07-21.
How much funding has Screaming Frog raised?
The qualified figure used here is Bootstrapped / undisclosed. Its status is privately held with no verified institutional financing identified; it should not be interpreted as founder wealth.
What should buyers verify?
Buyers should test data integration, consent controls, measurement, implementation effort, support, exportability and the limits placed on automated or AI-generated actions.
Tolu S.
Associate Director
Evidence-led product reviews and founder profiles for search, marketing, authority, and AI visibility teams.
