E

Engine

Business travel booking and spend management.

Overview

Engine is a travel and spend management platform for businesses to book and manage work trips across hotels, flights, and rental cars in one place. It works by offering discounted hotel rates, flexible change and cancellation options, direct bill invoicing, spend reporting, and a rewards program, with 24/7 support and no membership fees or minimums; hotels can also use a free Partner Hub to manage offers and reservations, and Engine is expanding with Omni for hotel-booking APIs. The company differentiates itself with a no-contract, no-minimum model, a full suite of business travel tools, and recent growth through acquisitions and API integrations to embed bookings in other platforms. Its goal is to be the primary, easy-to-use platform for business travel and spend management, helping companies control costs and streamline travel across hotels, flights, and car rentals.

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About Engine

Simplify's Rating
Why Engine is rated
B+
Rated B on Competitive Edge
Rated A on Growth Potential
Rated B on Differentiation

Industries

Data & AnalyticsEnterprise SoftwareFintech

Company Size

201-500

Company Stage

Series C

Total Funding

$221M

Headquarters

Denver, CO

Founded

2013

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What believers are saying

  • October 22, 2026 Omni API launched with sub-second search and real-time rates.
  • Engine’s AI agent Eva resolves 50% of 800,000 annual support cases, cutting handling time 15%.
  • September 2024 Series C at $2.1 billion and reported profitability fund expansion without survival pressure.

What critics are saying

  • Navan, Amex GBT, and TravelPerk bundle broader travel-spend suites that squeeze Engine’s hotel-only wedge.
  • Omni’s partner integrations create dependency risk; one rollout failure at Navan or Trimble hurts credibility.
  • AI booking tools commoditize fast; if hotel supply weakens, Engine’s moat erodes before 2027.

What makes Engine unique

  • Engine owns hotel inventory, payments, and support through Omni, not just booking software.
  • July 31, 2026 acquisition of Options Travel deepens managed-travel workflows and domain expertise.
  • September 8, 2026 Navan partnership validates Engine as travel infrastructure for other platforms.

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Funding

Total Funding

$221M

Above

Industry Average

Funded Over

3 Rounds

Series C funding is usually for startups that are doing well and are looking for more money to fuel major growth, such as acquiring other companies, expanding into global markets, or launching new product lines. Investors typically include larger venture capital firms and private equity.
Series C Funding Comparison
Above Average

Industry standards

$50M
$50M
$62M
$100M
$140M

Benefits

  • 401(k) Company Match
  • Company Equity
  • Hybrid Work Options
  • Performance Bonus

Growth & Insights and Company News

6 month growth

0%

1 year growth

-1%

2 year growth

-7%
TechCrunch
Oct 9th, 2026
Gamma's Grant Lee, Engine's Elia Wallen, and GV's Crystal Huang on landing your first 1,000 customers

At TechCrunch Disrupt 2026, Gamma CEO Grant Lee, Engine CEO Elia Wallen, and GV general partner Crystal Huang will discuss strategies for acquiring the first 1,000 customers. They'll cover community building, product-led growth, founder-led sales, and word of mouth tactics for early-stage startups. Lee co-founded Gamma, an AI-powered visual communication platform approaching 100 million users that reached $100 million in annual recurring revenue in 2025. Wallen bootstrapped Travelers Haven in 2008 before shifting to Engine, which now serves over 30,000 businesses and one million travellers. In July, Engine acquired Options Travel and TempoTrip. Huang, who focuses on SaaS, infrastructure, and AI investments at GV, will provide the investor perspective on early customer traction.

Yahoo Finance
Sep 20th, 2026
Navan partners with Engine to expand travel booking options and boost platform loyalty

Navan has partnered with Engine, a travel and spend technology provider, to expand booking options for its users. The collaboration will integrate Engine's payment and fintech solutions into Navan's platform, streamlining bookings, adjustments and cancellations. Initial offerings will launch this month, with additional features following in subsequent months. The partnership aims to enhance platform stickiness by providing greater flexibility and control over travel plans. The move follows Navan's acquisition of AI-driven meetings platform BoomPop. In the second quarter, Navan reported 45% growth in gross bookings, exceeding $3 billion, whilst revenue reached $233 million, up 35% year-over-year. However, the integration introduces technical risks, including potential disruptions during rollout. Relying on external infrastructure also creates dependency risks if Engine faces operational or financial challenges.

Associated Press
Jul 31st, 2026
Engine acquires Options Travel to build AI-native booking tool for travel management companies

Engine has acquired Options Travel, a corporate travel management company with over 30 years of experience. Options Travel will continue operating independently under its current leadership, with all employees joining Engine. The acquisition follows nine months of collaboration, during which Engine identified significant technology gaps in the travel management company sector. Engine is now developing an AI-native online booking tool for the industry, featuring booking, payments, reporting, and customer management in a single dashboard. The new platform reduces booking times to 2.5 minutes, compared to the industry average of nearly 15 minutes. According to the Global Business Travel Association, nearly a third of corporate travel buyers are reconsidering their travel management company this year, primarily due to outdated technology rather than service quality. Engine will demonstrate the new platform at the GBTA Convention in Chicago from 3–5 August.

Business Wire
Jun 4th, 2026
Engine launches Omni lodging booking API, Trimble to embed technology across transportation products

Engine, a travel and spend management platform, has launched Omni, a free hotel booking API that allows companies to integrate Engine's booking capabilities into their own platforms. The API provides access to over one million properties worldwide with sub-second search performance, real-time rates and 24/7 support. Trimble, a global industrial technology company, is the first adopter, integrating Omni into Trimble Places, Trimble Road Call and Trimble CoPilot. These solutions serve nearly 800,000 customers across North America, primarily truck drivers who will gain seamless hotel booking access within their existing tools. Engine, backed by Telescope Partners, Blackstone, Elefund and Permira, serves over one million travellers and 30,000 businesses. The Omni integration with Trimble Places is currently available in North America, with other integrations expected soon.

Business Wire
Apr 15th, 2026
Engine cuts travel support time 15% with Salesforce's Agentforce AI agent Eva

Engine, a business travel platform serving over one million travellers, has expanded its collaboration with Salesforce, deploying Agentforce and Slack to manage complex travel operations. The company now handles over 800,000 annual customer support cases, with 50% resolved autonomously by its AI agent Eva. Engine built Eva using Agentforce Vibes in just 12 days. The system handles complex tasks like modifying group bookings and has reduced average handle time by 15% whilst improving customer satisfaction scores. Slackbot serves as the interface, enabling sales teams to access real-time traveller intelligence and reduce research time by 40%. The platform processes thousands of daily trip modifications, with group travel doubling over the past year and 80% of trips booked within seven days of departure. Engine's deployment is built on Salesforce's Data 360 and Trust Layer.

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