About Paragraf
Paragraf is a Technology company based in Peterborough (United Kingdom) founded in 2015 by Ivor Guiney, Colin John Humphreys, and Simon Thomas. Graphene-based magnetic sensors are developed using proprietary processes. Paragraf has raised $139.55 million across 7 funding rounds from investors including Gov.uk, Cambridge Enterprise and Martlet Capital. Paragraf has completed 1 acquisition, including Cardea Bio. Its chief executive, as recorded, is Simon Thomas. Its website paragraf.com draws about 10 thousand monthly visits. Its focus areas include High Tech, Nanotechnology, Nanoenabled Products and Sensors. Its legal entity is PARAGRAF LIMITED.
Company details
Paragraf was founded in 2015 in Peterborough, United Kingdom, focusing on advanced materials in the sensor industry. Graphene solutions are created through a proprietary two-dimensional material manufacturing process. The product range encompasses hall-effect sensors, biosensors, and solid-state devices, with attributes such as hardness, bendability, and absorbency across UV and visible spectra. Operations center on providing these technologies for various applications.
- Headquarters Peterborough, United Kingdom
- Founders Ivor Guiney, Colin John Humphreys, Simon Thomas
- SectorsTechnology
- Email••••••••
- Phone•••• ••••
- Website paragraf.com
- Social LinkedIn X YouTube
- Legal Name Paragraf Limited
- Date of Incorporation 25 Nov, 2015
- Jurisdiction SOMERSHAM, CAMBRIDGESHIRE, UNITED KINGDOM
- Total Equity Funding$139.55M (USD)
in 7 rounds
- Latest Funding Round$55M (USD), Series C
Aug 2025
- InvestorsGov.uk
& 12 more
- Investments & Acquisitions
Apps and channels of Paragraf
its YouTube channel Paragraf has 126 subscribers and 10 videos.
Videos from Paragraf
The most watched videos on Paragraf's YouTube channel, Paragraf (126 subscribers). Click a video to play it here.
More on Paragraf.
Funding Insights of Paragraf
Paragraf has successfully raised a total of $139.55M across 7 strategic funding rounds. The most recent funding activity was a Series C round of $55 million completed in August 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $139.55M
- Total Rounds 7
- Last Round Series C — $55M
- First Round $3.99M
(May 2018)
- Investors Count 13
All 7 funding rounds of Paragraf with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Aug 2025 | $55M | Series C | – | – | – |
| Mar 2022 | $60M | Series B | – | New Science Ventures | |
| Apr 2020 | Grant | – | – | ||
| Dec 2019 | $4.47M | Series A | – | Parkwalk | |
| Jul 2019 | $20,059 | Grant | – | – | |
| Jul 2019 | $16.09M | Series A | – | Parkwalk | |
| May 2018 | $3.99M | Seed | – | Cambridge Enterprise |
13 investors in total: 13 institutional.
Investors in Paragraf
Paragraf has secured backing from 13 investors, including venture fund and institutional investors. Prominent investors backing the company include Gov.uk, Cambridge Enterprise and Martlet Capital.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Early, mid, and late-stage investments are made in science sectors. | newscienceventures.com | New York, United States | ||
Tech companies are invested in by Parkwalk venture capital firm. | parkwalkadvisors.com | London, United Kingdom | ||
Early-stage deep technology investments are made by Amadeus Capital. | amadeuscapital.com | London, United Kingdom | ||
Deep tech venture capital firm investing in European and global startups. | iqcapital.vc | |||
Venture capital fund focused on deep tech, consumer tech, health tech, SaaS, and multiple sectors | 2006 | moltenventures.com | London, United Kingdom | |
Venture capital firm | iqt.org | Washington, Dc, United States | ||
Venture capital co-investments are made in UK later-stage businesses. | britishpatientcapital.co.uk | Sheffield, United Kingdom | ||
Venture capital funds focused on life sciences and tech startups | 2011 | martletcap.com | Cambridge, United Kingdom | |
Venture capital is directed toward technology sectors by this firm. | apcuk.co.uk | Coventry, United Kingdom | ||
Stage agnostic VC firm investing globally | 2004 | draperesprit.com | London, United Kingdom |
Investor details for Paragraf
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
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- Round participation
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People of Paragraf
31 people are tracked at Paragraf (14 in leadership, 7 in board & advisors, 10 in team).
| Name | Role | Group |
|---|---|---|
Ivor Guiney | Co-Founder | Leadership |
Colin John Humphreys | Co-Founder | Leadership |
Simon Thomas | Co-Founder & CEO | Leadership |
Andrew Pegram | Manufacturing Director | Leadership |
Steve Taylor | Head of Corporate Communications | Leadership |
Tony Pearce | COO | Leadership |
Colin Humphreys | Director & CSO | Leadership |
John Tingay | CTO | Leadership |
Cathy Cranton | Chief Financial Officer | Leadership |
Natasha Conway | Research Director | Leadership |
Jim Foulkes-Arnold | IT & Data Security Director | Leadership |
Yingning G. | Senior Director Of Nanotechnology, Certified Lean Six Sigma Black Belt Consultant | Leadership |
Samantha Deacon | Head Of Legal | Leadership |
Andy MacInnes | Chief Development Officer (cdo) | Leadership |
Alistair Crawford | Director | Board & advisors |
Steve Churchhouse | Director | Board & advisors |
Andrew Lynn | Director | Board & advisors |
Ed Stacey | Director | Board & advisors |
John Halfpenny | Director | Board & advisors |
Somu Subramaniam | Director | Board & advisors |
11 more people are available in the full profile.
Complete people profiles for Paragraf
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
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Investments & Acquisitions by Paragraf
Paragraf has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include Cardea Bio.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Digital graphene biosensors are developed using machine learning. | cardeabio.com | San Diego, United States | 2019 | May 2023 | •••• |
Complete acquisition details for Paragraf
Acquired stakes, deal sources and the complete acquisition history require an active premium plan.
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Timeline of Paragraf
4 dated milestones of Paragraf across 10 years, from founding to its latest funding, stage changes and deals.
- Founded Paragraf is founded.
- Funding First funding round of $4.0M.
- Acquisition Acquires Cardea Bio.
- Funding Latest funding round, Series C, of $55.0M.
Web traffic of Paragraf
The website of Paragraf (paragraf.com) receives about 10.2K visits a month.
- Monthly visits10.2K
▲ 9.6% vs previous month
Websites whose visitors overlap most with Paragraf. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
goddardtech.com | goddardtech.com | 100% | #2,649,048 | – | |
| electronicspecifier.com | 80% | 82.5K | #476,059 | View details | |
| semi.org | 77% | 360.5K | #100,819 | View details | |
| cryomagnetics.com | 73% | 4.8K | #3,945,619 | View details | |
accelachem.com | accelachem.com | 71% | #4,020,618 | – | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 39 similar websites and full traffic analytics for Paragraf
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- 39 similar websites
- Audience overlap
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Verified entity values are shown only after access is granted.
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Related news about Paragraf
Complete news archive for Paragraf
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Frequently Asked Questions about Paragraf
Paragraf was founded in 2015 and raised its 1st funding round 3 years after it was founded.
Paragraf is headquartered in Peterborough, United Kingdom.
Simon Thomas is the CEO of Paragraf, as recorded in our data. They have also founded this company.
Paragraf is a funded company, having raised a total of $139.55M across 7 funding rounds to date. The company's 1st funding round was a Seed of $3.99M, raised on May 2018.
Paragraf was founded in 2015 in Peterborough, United Kingdom, focusing on advanced materials in the sensor industry. Graphene solutions are created through a proprietary two-dimensional material manufacturing process. The product range encompasses hall-effect sensors, biosensors, and solid-state devices, with attributes such as hardness, bendability, and absorbency across UV and visible spectra. Operations center on providing these technologies for various applications.
Paragraf has made 1 acquisition, including Cardea Bio.
Paragraf has 13 investors. Key investors include Gov.uk, Cambridge Enterprise, Martlet Capital, Molten Ventures, and Draper Esprit.
Paragraf operates through Paragraf Limited.