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Postscript

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Provides enterprise SMS marketing solutions for Ecommerce

Scottsdale, United StatesFounded 2018Marketing

Valuation $100–500M Latest valuation · 2022

Headcount 100–500 Current team size

Total funding $100–500M Disclosed equity funding

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About Postscript

Postscript.io is a leading SMS marketing platform that primarily serves Shopify merchants. The company operates in the e-commerce market, providing a comprehensive solution for businesses to develop relationships, deliver experiences, and drive sales via text messaging. The platform offers tools to grow subscriber lists, build messaging strategies, deliver excellent customer service, and drive purchases.

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Postscript.io's business model is centered around helping businesses increase their revenue through SMS marketing. The company claims to have generated billions of dollars in revenue for its clients, with an average return on investment (ROI) of 34X across all customers in all categories.

The company also offers a service called SMS SalesBeta, which pairs businesses with a team of expertly-trained sales associates to proactively engage subscribers, potentially doubling SMS revenue.

Postscript.io serves a wide range of clients in the e-commerce space, from beauty and apparel to wellness, food, and beverage. The company's proprietary SMS performance metric, Subscriber Lifetime Value (SLTV), measures the holistic performance of a business's SMS program, including acquisition, revenue per message, number of messages sent, and retention.

In addition to its software, Postscript.io offers access to strategists, industry experts, and best practices to help businesses maximize their SMS revenue performance. The company's team of Onboarding, Success, and Support professionals are dedicated to delivering exceptional customer service.

Source: Dealroom company data

At a glance

Status: Operational
Founded: 2018
Headquarters: Scottsdale, United States
Employees: 278
Open positions: 17
Dealroom signal: 63.1/100
Industry: Marketing, Enterprise Software
Sub-industry: Ecommerce Solutions
Sector: Marketing, Adtech, SaaS, Advertising, Messaging, Platform, YC W19, Telecommunications
Business model: SaaS
Client focus: b2b
Investment activity: 1 company, latest Jul 2023
Capital deployed: —
Preferred round: ACQUISITION
Links: Website LinkedIn X

Latest news

Press, funding announcements and product moves mentioning Postscript.

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Funding history

5 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SERIES COther financing	Jun 2022	$65M	$260M	OpenView Venture Partners · Elephant · m]x[v Capital · 01 Advisors	↗
SERIES BOther financing	Mar 2021	$35M	$140M	Y Combinator · OpenView Venture Partners · Greylock Partners	—

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Growth signals

Postscript website traffic

Latest recorded traffic for Postscript is 290K monthly website visits, up 31.8% over the last three months. Postscript's team declined 12.6% over the past year.

Latest monthly visits290K 3-month web change+31.8% 1-year team growth-12.6%

Monthly website visitsMay 2018–Jul 2026

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Open positions

Openings linked to this company in Dealroom

Solutions Engineer3370, North Hayden Road, Scottsdale, Maricopa County, Arizona, 85251, United States · Business Development · Aug 25, 2026 Solutions Engineer NewCanada, United States · Business Development · Aug 21, 2026 Director, Email DeliverabilityBoston, MA · Other · Aug 18, 2026 Director, Email DeliverabilityOttawa, Ontario, Canada, Northern America, Americas · Other · Aug 12, 2026 Principal Customer Success Manager NewCanada, United States · CSM & Support · Jul 31, 2026 Senior Customer Onboarding ManagerAustin, TX · CSM & Support · Jul 24, 2026 Staff Platform Engineer3370, North Hayden Road, Scottsdale, Maricopa County, Arizona, 85251, United States · Backend Development · Jul 24, 2026 Staff Platform EngineerBoston, MA · Backend Development · Jul 21, 2026

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