---
title: "AMT Investors and Partners | AMT PostPro"
description: "Investor and partner information for AMT, maker of PostPro automated vapor smoothing: key numbers, the growth story and how to reach Joseph Crabtree."
canonical: https://amtechnologies.com/investors/
updated: 2026-10-07
type: company
---
Investors and partners

# AMT at a glance.

Based in Sheffield, UK, AMT makes PostPro automated vapor smoothing systems and consumables for 3D printed polymer parts.

## AMT in numbers

- **PostPro systems installed**: 900+[1]
- **Countries with PostPro systems**: 40
- **Patent families on the public record**: [20](https://amtechnologies.com/patents/)[2]
- **Process data points**: 10M+[3]

Systems, countries and process data points as stated by AMT (April and October 2026). Patent families from the public patent registers, October 6, 2026.

Growth story

## How AMT grew.

AMT was born from University of Sheffield research[4] and founded in Sheffield in January 2017.[5] Year by year since 2017, each line linked to its source.

1. 2017

   One of five winners of the formnext Start-up Challenge.[6]

   Grant: A [£624,000 AMT-led project](https://www.tctmagazine.com/amt-postpro3d-3d-printing-smoothing-commercially-available/), backed by Innovate UK, Xaar and Atomjet.[7]
2. 2018

   PostPro3D, AMT’s first automated vapor smoothing system, became commercially available.[7]
3. 2019

   Funding: [$5.2M Series A](https://www.tctmagazine.com/amt-5-2m-dollars-series-a-funding-round/) led by DSM Venturing and Foresight Williams Technology EIS Fund.[8]
4. 2020

   AMT’s first patent granted, in the UK (GB2560073B).[2,9] An alliance with HP for Multi Jet Fusion post-processing.[10]
5. 2021

   PostPro SF50 and SF100 launched at Formnext.[11] Systems in over 150 locations in 25 countries, as stated by AMT.[12]

   Funding: [$15M Series B](https://www.tctmagazine.com/amt-raises-15m-in-series-b-funding-round/), with Saint-Gobain Surface Solutions and 15th Rock Ventures as new investors.[13]
6. 2022

   PostPro SF PP launched for polypropylene.[14]
7. 2023

   PostPro SFX desktop vapor smoothing launched at Formnext.[15]
8. 2024

   PostPro SFX won the TCT Post-Processing Award.[16]
9. 2025

   TriMech Group and SurfacePrep joined the PostPro reseller network in North America.[17,18]
10. 2026

    A partnership with Raise3D for the PostPro SFX and SF2X in Europe.[1]

Why AMT

## What sets AMT apart.

- ### Where PostPro began

  AMT describes itself as the pioneer of automated vapor smoothing, and states that PostPro3D, launched in September 2018, was the first automated vapor smoothing system for powder-bed 3D printed parts.[7,19]

  [About AMT and the team](https://amtechnologies.com/about/)
- ### Patents on the record

  Granted patents in the UK, Europe, the US and China, from AMT’s first vapor smoothing filing in January 2017.[2] AMT describes its portfolio as the largest in vapor smoothing.[19]

  [See the patents](https://amtechnologies.com/patents/)
- ### Data from years in production

  AMT states: “Powered by a decade of processing parts and more than 10 million process data points, AMT has developed its own proprietary algorithms and post-trained models that power our fleet of SF machines.”[3]

  [See the software](https://amtechnologies.com/software/)

Always open to a conversation

## Talk to Joseph Crabtree, CEO & Founder.

For strategic and channel partners, OEMs, industry partners and the investment community: write to Joseph directly.

[Email Joseph](mailto:joseph@amtechnologies.com?subject=Investor%20%2F%20partner%20conversation)

Email: joseph@amtechnologies.com

Please don’t include confidential information in a first email.

- [Become a partner](https://amtechnologies.com/postpro-partners/become-a-partner/)
- [Press kit](https://amtechnologies.com/news/press-kit/)
- [Meet the team](https://amtechnologies.com/about/#team)

## Important information

This page gives general information about Additive Manufacturing Technologies Ltd and its group companies, including AMT Inc (together “AMT”). It is not an offer to sell, or a solicitation of an offer to buy, any shares or other securities, and it is not an invitation or inducement to engage in investment activity, in the United Kingdom, the United States or any other jurisdiction. It does not form part of any contract, has not been approved by an authorised person for the purposes of section 21 of the Financial Services and Markets Act 2000, and should not be relied on for any investment decision. Securities may not be offered or sold in the United States without registration under the US Securities Act of 1933 or an exemption from it.

Figures are historical, are footnoted to public sources or to AMT company statements, and are not a guide to future performance; statements attributed to AMT (“as stated by AMT”, “AMT states”, “describes itself as”) are the company’s own. Funding lines are a selection of rounds as the press reported them at the time and are not a complete or current record. Linked third-party articles and archived releases are historical references: AMT does not adopt or update their contents, including any figures, plans or forward-looking statements in them. No representation or warranty is given as to the accuracy or completeness of this page. Any conversation is subject to applicable law and to confidentiality, and information about securities will be given solely to persons to whom it may lawfully be given.

## Sources

1. [Raise3D announces partnership with AMT to bring advanced post-processing to RMS220 SLS 3D printer](https://amtechnologies.com/news/raise3d-and-amt-partnership/) · AMT · Apr 2, 2026 · also [3D ADEPT Media](https://3dadept.com/raise3d-and-amt-join-forces-to-deliver-end-to-end-sls-post-processing-in-europe/)
2. [AMT patent families on the public record (Google Patents, European Patent Register, UK IPO), compiled 6 Oct 2026](https://amtechnologies.com/patents/) · AMT (compiled from public patent registers) · Oct 6, 2026
3. [AMT company statement: proprietary algorithms and post-trained models (10M+ process data points)](https://amtechnologies.com/software/) · AMT · Oct 6, 2026
4. [UK 3D printing start-ups to watch in 2018](https://3dprintingindustry.com/news/uk-3d-printing-start-ups-watch-2018-126560/) · 3D Printing Industry · Dec 27, 2017
5. [AMT company statement: born from University of Sheffield research; founded in Sheffield](https://amtechnologies.com/about/) · AMT · Oct 6, 2026
6. [In formnext Start-up Challenge, Impressive Innovations Map Out the Future of AM](https://additivemanufacturing.com/2017/09/29/in-formnext-start-up-challenge-impressive-innovations-map-out-the-future-of-am/) · AdditiveManufacturing.com · Sep 29, 2017
7. [AMT makes PostPro3D automated 3D printing surface smoothing system commercially available](https://www.tctmagazine.com/amt-postpro3d-3d-printing-smoothing-commercially-available/) · TCT Magazine · Sep 17, 2018
8. [AMT raises $5.2m in series A funding round led by DSM Venturing and Foresight Williams Technology EIS Fund](https://www.tctmagazine.com/amt-5-2m-dollars-series-a-funding-round/) · TCT Magazine · Oct 22, 2019
9. [GB2560073B: Improvements to additive manufacturing (UK patent, granted 17 Jun 2020)](https://patents.google.com/patent/GB2560073B/en) · Google Patents · Jun 17, 2020
10. [AMT partners with HP for automated post-processing](https://develop3d.com/3d-printing/amt-partners-with-hp-for-automated-post-processing/) · DEVELOP3D · Oct 29, 2020
11. [AMT launches next-generation 3D printing surface finishing systems at Formnext](https://www.tctmagazine.com/amt-launches-next-generation-3d-printing-surface-finishing-s/) · TCT Magazine · Nov 17, 2021
12. [AMT Revolutionizes 3D Printing Post-Production with the Launch of New Surface Finishing Systems (archived copy)](https://web.archive.org/web/20230612152551/https://amtechnologies.com/news/amt-revolutionizes-3d-printing-post-production-with-the-launch-of-new-surface-finishing-systems/) · AMT (archived at web.archive.org) · Dec 8, 2021
13. [AMT raises $15m in Series B funding round](https://www.tctmagazine.com/amt-raises-15m-in-series-b-funding-round/) · TCT Magazine · Oct 28, 2021
14. [AMT launches PostPro SF PP surface finishing system for 3D printed polypropylene parts](https://www.tctmagazine.com/amt-launches-postpro-sf-pp-surface-finishing-system-for-3d-p/) · TCT Magazine · Nov 9, 2022
15. [The Not-To-Be Missed Post-Processing Solutions at Formnext 2023](https://www.3dnatives.com/en/the-not-to-be-missed-post-processing-solutions-at-formnext-2023/) · 3Dnatives · Nov 8, 2023
16. [Boeing, EOS, Arburg & Westinghouse among winners at TCT Awards 2024](https://www.tctmagazine.com/boeing-eos-arburg-westinghouse-winners-tct-awards-2024/) · TCT Magazine · Jun 6, 2024
17. [AMT PostPro and TriMech Group Partner to Expand Automated Post-Processing for 3D Printing Across North America](https://amtechnologies.com/news/amt-postpro-and-trimech-group-partnership/) · AMT · Jun 25, 2025
18. [Expanding AMT's Partner Network Across North America with SurfacePrep](https://amtechnologies.com/news/amt-postpro-surfaceprep-partnership/) · AMT · Sep 4, 2025
19. [AMT company statement: world's largest installed base of automated vapor smoothing systems; first automated vapor smoothing system for powder-bed parts (PostPro3D); largest patent portfolio in vapor smoothing](https://amtechnologies.com/about/) · AMT · Oct 6, 2026
