ABB to Acquire Flow Control Specialist Rotork for $5.5B

ABB has agreed to acquire Rotork, a UK-based manufacturer of electric actuators and flow control equipment, in an all-cash transaction valued at approximately $5.5 billion. The deal represents a 60% premium to Rotork's three-month average share price and is expected to close in the first half of 2027.

Rotork shareholders will receive 503 pence per share, plus eligibility for an interim dividend of up to 3 pence per share for the period ending June 30, 2026. Rotork's board has unanimously approved the transaction and will recommend shareholder approval, according to details first reported by Pulse2.

Strategic fit in field-level automation

The acquisition targets a specific gap in ABB's automation portfolio: field devices that sit at the physical layer of industrial processes. Rotork manufactures electric actuators that operate valves and control the movement of liquids, gases, and materials through pipelines and processing facilities across oil and gas, chemicals, water, power generation, and data center sectors.

ABB describes industrial automation as a "sense-control-act" loop where equipment measures conditions, software interprets data, and devices take physical action. Rotork's products handle the "act" portion—the physical control of flow, pressure, and temperature in systems where reliability is critical.

Rotork generated approximately $1 billion in revenue during 2025 with a 24.6% adjusted operating margin and averaged 8% annual organic growth from 2022 through 2025. The company's business model includes not just equipment sales but recurring revenue from maintenance, upgrades, diagnostics, and replacement parts tied to its installed base.

Why it matters

This acquisition represents a deliberate capital redeployment strategy for ABB. The company expects to receive approximately $4.8 billion from selling its Robotics business to SoftBank in the second half of 2026. By immediately reinvesting in Rotork, ABB replaces divested revenue with a complementary automation business that operates in higher-margin segments with recurring service revenue. The deal also positions ABB to offer more complete automation solutions—from sensors and control systems to the physical devices that regulate industrial processes—which could strengthen its competitive position in major infrastructure and energy projects.

Integration and growth plans

Following the acquisition, Rotork will operate as a separate division within ABB's Automation business area under the company's decentralized ABB Way operating model. This structure gives divisions responsibility for operating decisions while maintaining proximity to customers and local markets.

ABB CEO Morten Wierod said the company has "followed Rotork over many years" and believes the acquisition will "expand our automation offering at the field-device layer, generating significant value for customers, employees and shareholders of both companies."

Rotork Chair Dorothy Thompson noted that "the Board believes that the offer from ABB reflects the high quality of Rotork and recognizes the significant progress delivered through the successful implementation of our Growth+ strategy."

The transaction values Rotork at approximately 5.3 times 2025 revenue and 19.5 times 2025 EBITDA. ABB expects the EBITDA multiple to decline toward the mid-teens after realizing synergies from expanded sales through ABB's global network, increased service revenue, and integration of Rotork products into broader automation projects.

ABB intends to maintain Rotork's significant UK manufacturing and engineering presence, with no current plans for substantial changes to its footprint. ABB will finance the acquisition using existing cash and committed bank facilities.

These details were first reported by Pulse2.