To leverage their vast resources and expand the number of ports they reached at a low cost, major shipping lines developed innovative solutions by forming alliances with key market players.
These are known as ocean alliances, which are essentially strategic alliances in the ocean freight industry. There are three major ocean shipping alliances that have existed between principal container shipping lines, and the Ocean Alliance is among them. Today, we’ll be taking a deep dive into the Ocean Alliance, its benefits, and how it operates!
What Is the Ocean Alliance
Ocean alliances are collaborative agreements between ocean freight carriers who share various vessels, fleets of container ships, and trade routes in order to streamline their processes. There are many alliances in sea shipping, and the Ocean Alliance is just one of those ocean shipping alliances.
The Ocean Alliance includes: COSCO, Evergreen, CMA, and OOCL. These freight carriers are determined to make better use of capacity, reduce operational costs, and overall achieve economies of scale.
Sharing vessels and moving them on behalf of each other serve as the key underlying principles of the Ocean Alliance. The Ocean Alliance leads on the trade lanes of Asia-North America. Covering over 100 ports worldwide, the agreement allows for wider area coverage and makes their service offerings more efficient. Such global shipping alliances have proven extremely beneficial for these major companies and surged their returns in the market.
How Ocean Alliance Works
The Ocean Alliance was formed in 2017 and includes the four major players mentioned above. The primary purpose is to perform optimally by sharing their vessels, ship containers, and trading routes. Moreover, by broadening their global shipping, the Ocean Alliance’s aim is to reduce the overall costs of these four companies.
This practical alliance is not based on an agreement set in stone, instead, it’s done for the market participants to improve performance. Because of this, the terms of the agreement may vary every few years.
Here’s a breakdown of how this agreement operates between the companies:
Sharing Resources
New ships cost a fortune for different trading routes, which is why these companies not only co-use ships but other port facilities as well. All of the resources owned by each individual carrier company are pooled together in order to avoid extra costs. This allows for the expansion of their operations in a more efficient manner, without having to invest in additional inputs. This method also reduces operational waste as the chances of partially loaded ships are eliminated.
Sharing Vessels
The Ocean Alliance primarily functions on the basis of a vessel-sharing agreement in order to optimize the available space at its full capacity. The members of the agreement have sufficient vessels among themselves and collaborate by using these vessels together, instead of deploying separate vessels for their individual cargo shipments. Companies can send their cargo on behalf of another member’s vessel or ship if they’re leading down the same route. This reduces the number of unnecessary vessels en route to the same destination, contributing to better and more reliable services for customers. A major benefit is the reduced environmental impact that vessel sharing allows.
Route Optimization
Of course, one core aim of the Ocean Alliance is to reduce the overlapping of services. For that purpose, they first analyze the shipping on global trade lanes and then coordinate the routes. The members contribute specific vessel services to keep the overlapping at a minimum and enhance operations. This requires an advanced level of network planning among the members.
Sharing Terminals
The members will also share their respective ports’ terminals for better storage and container management. Instead of investing extra production factors into extending or building terminals, the members simply utilize the total infrastructure.
By streamlining their processes and main voyages, the member shipping lines can adjust routes and services based on factors such as global demand, customer needs, and major economic changes. Regardless of the influencing factor, members can remain flexible and transport cargo using another member’s ship.
Simply put, the Ocean Alliance allows the four companies to increase their sailings but on fewer vessels. Essentially, it avoids the excess supply of vessels and keeps the market stability at bay.
Ocean Alliance Benefits
The members’ recent decision to extend their agreement until March 2032 reflects the Ocean Alliance’s success and benefits. Not only do member shipping lines increase their operations, improve efficiency, and reduce wastage and costs, but their alliance also greatly benefits customers and the broader economy.
Let’s take a look at how this happens.
The sharing of resources reduces the likelihood of partially filled ships sailing across trade lanes, making it an extremely cost-efficient method of shipping. This, in turn, helps lower market prices offered to customers as freight charges.
Shipping services are expedited as sailings increase and cargo is transported at maximum capacity. Not only do the end customers get their precious packages on time, but the company is increasing its coverage of different ports in less time.
Another key benefit of the Ocean Alliance is that it reduces the negative impact on the environment. Fewer vessels in transit decrease carbon emissions. We see this as a win-win situation, where freight charges are kept stable, companies reduce their average costs, and the damage done to Mother Nature is kept at a minimum.
The members are allowed more commercial collaboration, too. They monitor the demand and sales activities better which helps them keep track of which routes to utilize, what adjustments to make etc.
Overall, these synergies play a major role in delivering more frequent, trustworthy, and competitive services to their customers.
Ocean Alliance vs Other Shipping Alliances
Aside from the Ocean Alliance, there exist a few other major global shipping alliances too. These include the 2M Alliance (now the Gemini) and THE Alliance (now the Premier Alliance).
Gemini (2M Alliance)
The 2M Alliance is between Maersk and MSC, who kept the period of alliance from 2015 to 2025. This alliance also has an agreement with ZIM, and the terms of the 2M Alliance focus on vessel-sharing across the Transpacific, Transatlantic, and Asia-Europe routes.
The 2M Alliance is dedicated to streamlining its networks and keeping fewer members. This alliance had the highest market share, standing foot to foot at 29% with the ocean alliance, according to the 2017-2021 stats. It surpassed the Ocean Alliance in 2024, standing at 34.2% of all trade. This significant control and market dominance arises from its relatively few vessel transportation.
In 2025, Maersk and Hapag-Lloyd form a new alliance called Gemini, while MSC operates independently right now.
Premier Alliance (THE Alliance)
THE Alliance is among Hapag-Lloyd, ONE, HMM, and YML (Yang Ming). This alliance’s enhanced services to ports on Europe–US routes have elevated its significance both nationally and globally.
It emphasizes specific routes instead of extensive global coverage. By sticking to a niche, THE Alliance made its name off of regional focus and flexibility.
After Hapag-Lloyd’s departure in February 2025, THE Alliance including ONE, HMM, and YML is now called Premier Alliance.
Speaking of the Ocean Alliance, the Ocean Alliance is an all-encompassing service provider that focuses on strategies to increase global coverage and optimize vessel sharing.
The benefits of all three major ocean alliances spread across the nation. Although they specialize in different strategies and niches, the alliances collectively have improved shipping lines’ services, as well as shifting the dynamics of international shipping.
Related Reading: Choosing Sea Freight Shipping Companies and Sailing Schedule
Conclusion
Perhaps the most distinguishing factor of the Ocean Alliance is its unmatched global network and service offerings. The extent of its global coverage makes it second to the 2M Alliance and makes it an extremely significant player in ocean shipping. The benefits go beyond the company’s efficiency and instead, serve both the clientele and global market behaviors.
Notably, the performance of non-alliance shipping companies is significantly impacted by these dominant alliances, forcing the remaining shipping lines to focus more on niche markets.
Despite this negative factor, the large-scale positive impact of ocean alliances is undeniable, and continues to flourish in the global shipping landscape!
FAQs
What Is the Market Share of the Ocean Alliance?
The Ocean Alliance accounts for 31.4% of all the trade, coming second to the 2m Alliance, as of 2024.
Who Are the Members of the Ocean Alliance?
The members are COSCO, OOCL, Evergreen, and CMA. In 2018, COSCO acquired OOCL.
What Is the Capacity of the Ocean Alliance?
The members of the Ocean Alliance run at a vessel capacity of 8.4 million TEUs as of March 2024, which accounts for 29.6% of global container capacity.
