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Zembularevenue & funding

Personalization Software2828 Southwest Corbett Avenue, Portland, OregonFounded 2013CEO Robert Haydock

Zembula makes email personalization software for enterprise retailers such as J.Crew and Sephora UK, filling the images in each email with content picked for that shopper at the moment it is opened.

zembula.comLinkedInUpdated Oct 30, 2026
Annual revenue
$3M
Oct 2024EST
Total raised
$2.4M
2 rounds
Employees
12
Oct 2024
Customers
280

Zembula revenue

Zembula's last reported revenue was about $100K in 2015 (Robert Haydock on camera; his range: a hundred to a hundred and fifty thousand). GetLatka estimates it at about $3M a year (October 2024). Zembula is #738 on the Latka List. The list ranks the 1,301 companies Nathan Latka has interviewed by revenue.

$0
$1M
$2M
$0
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$100K
–
$2.5M
$3M
2013201420152016–2220232024
ReportedEstimateFounded 2013 at $0; every reading has its own bar
All 3 revenue readings, with sources
As ofRevenueSource
2015About $100KCalculated from what Robert Haydock saidWatch at 8:08his range: a hundred to a hundred and fifty thousand
Dec 2023$2.5MESTGetLatka estimate
Oct 2024$3MESTGetLatka estimate

Zembula funding rounds & investors

Zembula has raised $2.4M across two rounds since 2016. The latest was a $1.3M Series A in May 2018.

DateRoundRaisedSource
May 2018Series A$1.3MPress & News
Mar 2016Seed$1.1M–
Total raised$2.4M

Interviews with Robert Haydock

Nathan Latka has interviewed Zembula once, speaking with Robert Haydock. Each figure links to the second it was said.

Watch: How Zembula Grew About 600% in Twelve Months Helping Clients Launch Interactive Lead Campaigns (Interview with Robert Haydock)

Robert Haydock, Co-founder and CEO

How Zembula Grew About 600% in Twelve Months Helping Clients Launch Interactive Lead Campaigns (Interview with Robert Haydock)

  • Price per seat$99 per month entry plan (priced by experiences and impressions, not seats; large enterprise pays up to a couple hundred thousand dollars a year)Watch at 4:17
  • Average contract$50,000 a year (what the average enterprise customer pays when they start)Watch at 3:43
  • Gross churnAbout 5% per year (logo churn, mostly enterprise customers)Watch at 3:05
  • GrowthAbout 600% in twelve months (his words: probably about seven x where we were)Watch at 11:09
  • Employees10Watch at 7:23
  • Outside funding$1.1MWatch at 6:47

Read the interviewWatch

Growth tactics they described: Powered ByWatch at 10:45Organic SEOWatch at 8:39

Zembula competitors

Zembula competes most directly with Unbounce, OptiMonk and ConvertFlow.

CompanyRevenueFundingEmployeesCustomersFounded
Unbounce$50.9M$40M14414K2009
OptiMonk$15M–3140K2014
Zembula$3M$2.4M122802013
ConvertFlow$358.4K–51.5K2015

Zembula CEO, founders & employees

Robert Haydock founded Zembula in 2013 with Carl Thorner and runs it as CEO. Zembula had 12 employees (October 2024, LinkedIn), up from 8 a year earlier.

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10
10
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13
10
11
8
12
20172018201920202021202220232024
ReportedOne figure per year; a reported figure wins over an estimate
All 9 headcount readings, with sources
As ofEmployeesSource
Oct 202412LinkedIn
Dec 20238LinkedIn
Dec 202211LinkedIn
Dec 202110LinkedIn
Dec 202013–
Jun 202013–
Dec 201913–
Dec 201813–
201710Robert Haydock on cameraWatch at 7:23

Zembula FAQ

What is Zembula's revenue?

GetLatka estimates Zembula's revenue at about $3M a year (October 2024). The last reported figure was about $100K in 2015 (his range: a hundred to a hundred and fifty thousand), as Robert Haydock said on camera.

How much funding has Zembula raised?

Zembula has raised $2.4M across two funding rounds. The latest was a $1.3M Series A in May 2018.

How many employees does Zembula have?

Zembula had 12 employees in October 2024, according to LinkedIn.

Who is the CEO of Zembula?

Robert Haydock is the CEO of Zembula and co-founded the company in 2013. Nathan Latka interviewed Robert Haydock.

Who founded Zembula?

Carl Thorner and Robert Haydock founded Zembula in 2013.

Browse Personalization Software

How this page is sourced

8 said on camera · 5 from public sources · 2 estimates. Founder figures link to the second they were said; public figures name their source; estimates are marked EST and say whose they are. Not financial advice. The Latka List ranks the private, operating companies Nathan Latka has interviewed by the latest revenue figure on each profile, reported or estimated; equal figures share a rank.

Updated Oct 30, 2026Data disclaimerReport a correctionClaim this profile