Plain
Customer Support & Help Desk Software · AI Agents
5open roles
$187kmedian advertised pay
Venture roundlatest round · Jun 2026 · 4 mo ago
3backers · Battery Ventures, Connect Ventures
Overview
Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.
Key facts
As of Nov 13, 2026, Alion lists 5 open roles at Plain. Plain is headquartered in London, United Kingdom. It was founded in 2020. The median pay stated in its open roles is $187k, across 5 postings that state pay.
- Open roles
- 5Its careers board, read on Nov 13, 2026
- Headquarters
- London, United KingdomAlion company profile, updated Nov 13, 2026
- Founded
- 2020Alion company profile, updated Nov 13, 2026
- Employees
- 1-10Alion company profile, an estimated range
- Median advertised pay
- $187kPay stated in 5 open postings
- Visa sponsorship, United Kingdom
- A-ratedUK Home Office · checked Nov 13, 2026
- Technologies in its job postings
- 13Named in its job postings
Official records
How Plain hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
Plain scores B on the Alion truth index (A is best, E worst), measured over 4 open roles re-checked against its own hiring board: 0% look like ghost listings, 100% have gone stale and 0% are the same role posted again. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Funding and backers
Latest round
Venture round
Jun 2026 · 4 mo ago
Team
1-10
employees, estimated range
Hiring now
5
+1 posted in 30 days
Backers
3
Battery Ventures, Connect Ventures
The money's age
Fresh money
4 months since the last round · and hiring
Momentum
43/100
hiring for its size, in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jun 29
Raised a round Venture round
Jan 6
Raised a round Venture round
Jun 16, 2025
Raised a round Venture round
Dec 23, 2024
Raised a round Venture round
Jul 26, 2023
Raised a round Venture round
Jan 3, 2023
Raised a round Venture round
Mar 28, 2022
On the Hacker News front page A magical AWS serverless developer experience · 241 points
Sep 4, 2020
Raised a round Venture round
2020
Founded
Sep 4, 2012
Incorporated PLAIN LIMITED · Companies House
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Hacker News stories
6
best: 241 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Jun 2026 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jan 2026 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jun 2025 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Dec 2024 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jul 2023 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jan 2023 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Sep 2020 | — | — | find-and-update.company-information.service.gov.uk |
Registers and programsofficial lists and records that name the company
| Legal entity | Not Just Tickets Ltd | its site |
Backed byfrom the funds' portfolios and accelerator catalogs
Battery Ventures 
Connect Ventures 
Index Ventures Investors in similar startupsfunds that back the companies most like this one
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Jobs
$180k – $250k per year · Hybrid · Full-Time · San Francisco
JavaScript
TypeScript
Cursor
LLM
Frontend
GraphQL
React.js
DevOps
Terraform
GitHub Actions
Vercel
Datadog
AWS
Cloudflare
Apply
$175k – $215k per year · Hybrid · Full-Time · 5+ years exp · San Francisco
PostgreSQL
AI/ML
Cursor
DevOps
Vercel
Apply
$99k – $139k per year · Hybrid · Full-Time · London
PostgreSQL
AI/ML
Cursor
DevOps
Vercel
Apply
$119k – $185k per year · Hybrid · Full-Time · London
PostgreSQL
AI/ML
Cursor
LLM
RAG
OpenAI
Anthropic
Apply
$119k – $185k per year · Hybrid · Full-Time · London
PostgreSQL
AI/ML
Cursor
Apply
Salary insights
Compensation ranges based on this company's open jobs
Median
$187k
Typical range
$141k – $250k
Open positions
5
3
Jobs
Senior
66.7%
Staff
33.3%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Senior | 2 | $187k | $187k |
| Staff | 1 | $215k | $215k |
Highest paying role
Forward Deployed Engineer
$250k
Normalized to USD per year
All salaries at Plain
By role, level and city, against the market · 5 jobs with pay
Visa sponsorship
A-rated
Sponsor licence
Skilled Worker
Visa route
3
Open roles in United Kingdom
In the register as Not Just Tickets Ltd t/a Plain, London
Other sponsors in the same field
Salesforce 
ServiceNow 
Cresta 
Hook
See 3 open roles Alert me
UK Home Office · checked Nov 13, 2026 · Visa details by country
Growth
Hiring Momentum
48/100
Stable
Open positions
5
1 opened / 0 closed in 30 days
ATS activity
Every ~6 hours
Today
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Solutions
100% ▲
Activity Timeline
Added JavaScript to stack
Oct 2026
Added TypeScript to stack
Oct 2026
Added Terraform to stack
Oct 2026
Added React.js to stack
Oct 2026
Added GraphQL to stack
Oct 2026
Added GitHub Actions to stack
Oct 2026
Added Datadog to stack
Oct 2026
Added Cloudflare to stack
Oct 2026
Added AWS to stack
Oct 2026
Financials
Latest round
Venture - Series Unknown
Funding rounds
7
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2026 | — | Details |
| Venture - Series Unknown | 2026 | — | Details |
| Venture - Series Unknown | 2025 | — | Details |
| Venture - Series Unknown | 2024 | — | Details |
| Venture - Series Unknown | 2023 | — | Details |
| Venture - Series Unknown | 2023 | — | Details |
| Venture - Series Unknown | 2020 | — | Details |
Tech stack
Technologies named in job postings at Plain over the last 12 months, by layer, with the share of postings for each.
Technologies in use
13
Postings analysed
3
Stack modernity
83/100AI adopter
Languages
TypeScript
JavaScript
Frameworks & libraries
React.js
Databases
PostgreSQL
Cloud & platforms
Vercel
AWS
Cloudflare
Datadog
AI & ML
LLM
Sign in to see how your skills match this stack
Sign In
Full Plain tech stack
13 technologies · by team · pay by technology · changes · similar stacks
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
Shared investors
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Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
2
Busiest office
London
Loading the map
Headquarters
Builds here
Office with open vacancies
Tap a pin for the office
London
United Kingdom
HQ
3 open roles 100% engineering 1-10 est. staff $172k Avg Salary
hires for Backend
San Francisco
United States
Engineering / R&D
2 open roles 1 posted in 90 days 1-10 est. staff $233k Avg Salary
hires for Marketing, Solutions
How to cite this page
Alion, "Plain: key facts", as of Nov 13, 2026. https://alion.io/company/plain-com
These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0