Rank 4 of 7

Fifty One Degrees

What does Fifty One Degrees offer?

Fifty One Degrees has its headquarters in London, per its Clutch profile. Clutch shows 10 to 49 employees and these service labels: AI Agents 25%, AI Consulting 25%, AI Development 25%, BI and Big Data 20%, Custom Software 5%. We have not tested it. The firm's own site, 51d.co, is linked for checking.

Visit site: Fifty One Degrees

In this article
  1. Who Fifty One Degrees is
  2. Services and specialisation
  3. Delivery model
  4. Published case studies
  5. Industries served
  6. Pricing and engagement
  7. Security and certifications
  8. Limits of this profile

Who Fifty One Degrees is

Fifty One Degrees describes itself as a UK and US AI consultancy for mid market businesses1, which it defines as typically £5m to £250m in turnover2. Its about page says it was founded in 2023 by operators who scaled and sold their own companies3. Its legal page gives the company as Fifty One Degrees AI Limited, registered in England and Wales under company number 156242224. That number comes from the firm's own page, and Companies House was not checked for this profile5.

Nick Harding is Co-founder and Chief Executive Officer6, Mark Somers is Co-founder and Chief Product Officer7 and Josh Edey is Chief Technology Officer8. The contact page gives a London office at 167 to 169 Great Portland Street, 5th Floor9, and a New York office at 1178 Broadway, 3rd Floor10.

Services and specialisation

The firm groups its work into five service lines under one delivery model: AI Agents, Conversational AI, AI Enablement, Data Science and ML, and Data Engineering and BI11. The home page says it builds production AI agents, voice AI, predictive models and Claude implementations12. The firm says it is an OpenAI Select Partner in the OpenAI Partner Network13, and its partner listings include an Attio Expert Partner badge14.

Delivery model

The firm calls its delivery model Embed Over Advise15. Its FAQ says the deliverable of every engagement is a production system in the client's environment, and it names a strategy deck as the thing it does not hand over16.

The published timetable has three stages. A working proof of concept ships in two to four weeks17. A beta phase of four to eight weeks is listed after that18. Production deployment typically follows in 8 to 16 weeks19.

On handover, the firm says the client's team learns as the firm builds20, and that the client owns everything built, with no lock in21.

Published case studies

The firm reports that 48% of inbound aftercare at Heatable is resolved without a ticket22. At Phoenix Financial Consultants it reports 100% of its IAR network of more than 700 monitored monthly23. At Stiltz it reports a 7.86x targeting lift, validated on live direct mail campaigns24.

It says it built a predictive lead scoring model for Resi, a residential architecture platform25. It says Formula E has appointed it to implement Attio as the CRM for its commercial teams26, and that it is rolling AI out across Perowne International's four offices27.

Industries served

The firm's sector list includes financial services and insurance28, home services and construction29, and venture capital and private equity30.

Pricing and engagement

Fifty One Degrees publishes indicative prices. A proof of concept typically costs under £15,00031. Claude implementation packages run from £25,000 for Claude Ready to between £50,000 and £70,000 for Claude Integrated32. The entry step is a 30 minute discovery call33.

Security and certifications

No ISO, SOC 2 or other certificate appears on the pages we saved34. One client case says the security baseline is deployed35, which describes delivery work and is no certificate. A buyer with a certification requirement should raise it with the firm.

Limits of this profile

The firm's Clutch profile was not fetched, because Clutch returned HTTP 403 to an automated request for another firm's profile, so no Clutch content is used36.

Sources

  1. Describes itself as a UK and US AI consultancy for mid-market businesses. 51d.co, checked 8 November 2026.
  2. Target clients are mid-market businesses of stated turnover. 51d.co, checked 8 November 2026.
  3. About page: founded in 2023 by operators who scaled and sold their own companies. 51d.co/about, checked 8 November 2026.
  4. Legal page: registered in England and Wales as company number 15624222. 51d.co/legal, checked 8 November 2026.
  5. Company number is from the firm's own legal page; Companies House was not checked (no saved copy). 51d.co/legal, checked 8 November 2026.
  6. Nick Harding is Co-founder and Chief Executive Officer. 51d.co/about, checked 8 November 2026.
  7. Mark Somers is Co-founder and Chief Product Officer. 51d.co/about, checked 8 November 2026.
  8. Josh Edey is Chief Technology Officer. 51d.co/about, checked 8 November 2026.
  9. London office address on the contact page. 51d.co/contact, checked 8 November 2026.
  10. New York office address on the contact page. 51d.co/contact, checked 8 November 2026.
  11. Five service lines: AI Agents, Conversational AI, AI Enablement, Data Science & ML, Data Engineering & BI. 51d.co, checked 8 November 2026.
  12. Homepage says it builds production AI agents, voice AI, predictive models and Claude implementations. 51d.co, checked 8 November 2026.
  13. Partner status: an OpenAI Select Partner in the OpenAI Partner Network. 51d.co/about, checked 8 November 2026.
  14. Partner listings include an Attio Expert Partner badge. 51d.co, checked 8 November 2026.
  15. Describes its delivery model as Embed Over Advise. 51d.co/about, checked 8 November 2026.
  16. FAQ: the deliverable of every engagement is a production system and not a strategy deck. 51d.co, checked 8 November 2026.
  17. A working proof of concept ships in 2 4 weeks. 51d.co, checked 8 November 2026.
  18. Beta phase listed as 4 8 weeks after proof of concept. 51d.co/about, checked 8 November 2026.
  19. Production deployment typically follows in 8 16 weeks. 51d.co, checked 8 November 2026.
  20. States its team learns as it builds, with code and documentation handed over. 51d.co/about, checked 8 November 2026.
  21. States the client owns everything built, with no lock-in. 51d.co/about, checked 8 November 2026.
  22. Heatable: 48% of inbound aftercare resolved without a ticket. 51d.co, checked 8 November 2026.
  23. Phoenix Financial Consultants: 100% of its 700+ IAR network monitored monthly. 51d.co, checked 8 November 2026.
  24. Stiltz: 7.86x targeting lift on live direct mail campaigns. 51d.co, checked 8 November 2026.
  25. Resi: predictive lead scoring model for a residential architecture platform. 51d.co/about, checked 8 November 2026.
  26. Formula E has appointed the firm to implement Attio as its commercial CRM. 51d.co/clients, checked 8 November 2026.
  27. Perowne International: AI rollout across its four offices. 51d.co/clients, checked 8 November 2026.
  28. Sector list includes Financial Services & Insurance. 51d.co, checked 8 November 2026.
  29. Sector list includes Home Services & Construction. 51d.co, checked 8 November 2026.
  30. Sector list includes Venture Capital & Private Equity. 51d.co, checked 8 November 2026.
  31. A proof of concept typically costs under GBP 15,000 and ships in 2 4 weeks. 51d.co, checked 8 November 2026.
  32. Claude implementation packages run from GBP 25,000 to GBP 50,000 70,000. 51d.co, checked 8 November 2026.
  33. Entry step is a 30-minute discovery call. 51d.co/contact, checked 8 November 2026.
  34. Not publicly stated: no ISO, SOC 2 or other certificate in the saved pages (search log). 51d.co, checked 8 November 2026.
  35. A case study says the security baseline is deployed (a delivery claim and not a certificate). 51d.co/clients, checked 8 November 2026.
  36. Clutch profile for this firm was not fetched; Clutch returned HTTP 403 for Brainpool profile. clutch.co/profile/fifty-one-degrees, checked 8 November 2026.

Published by Nexus.

Lowther Register is published by Nexus Enterprise, Inc. (agent.nexus). Last updated: . bestaiconsulting.co.uk