What Castle Pumps does

Castle Pumps Ltd is a UK-based specialty distributor of industrial and marine pumps, operating as an independent single-source supplier rather than a manufacturer. Founded circa 2010 and headquartered at a 14,000 sq.ft warehouse in Sutton Coldfield, Birmingham (with a global sales office in Nottingham), the company sells across 19 pump categories — AODD, barrel, centrifugal, flexible impeller, gear, hand, magnetic drive, multistage, peristaltic, piston, progressive cavity, screw, self-priming centrifugal, side channel, submersible, vane, vertical immersion, and vertical inline — and serves application areas spanning chemical processing, food and beverage, marine and offshore, wastewater, oil and energy, mining, and brewery/distillery use cases.

The company functions as an approved agent and distributor for 14 third-party pump brands, with Azcue (UK marine agent) and CAT Pumps as flagship partnerships, and a "Best Price Guarantee" covering Azcue, Debem, Liverani, Flux, Boyser, and Yildiz. Core revenue mechanics are quote-based hardware sales of pumps and genuine spare parts, augmented by free pre-sale technical consultation from BPMA-qualified sales engineers who specify pumps against fluid, flow rate, pressure, viscosity, and solids parameters. Pricing is non-public with 30-day payment terms and a 20% restocking fee, and the business is conducted globally through phone, email, and the castlepumps.com website — with ISPM15-compliant export packing from the Birmingham warehouse.

Castle Pumps Ltd is a privately held division of CTS Group, which itself sits inside Flow Max Ltd., a fluid-handling holding grouping 15 companies including Centre Tank Services Ltd, CTS Middle East, and Whisper Pumps. No public ownership, venture capital, or external funding signals are present; operating geographies span the UK primary market with documented reach into the USA and the UAE via CTS Middle East. Marine-sector credentials (BASS membership through 2028, IMPA 2025 supplier certification, ISSA Quality Standard) and ISO 9001:2015 / ISO 14001:2015 certifications (BSI, expiring 2028) underpin the supplier-quality positioning critical to ship-supply customers.

Name

Castle Pumps

Legal name

Castle Pumps Ltd.

Website

https://castlepumps.com

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

1–10 employees

Short description

Castle Pumps Ltd is a UK-based specialty distributor of industrial and marine pumps, acting as an approved agent for 14 third-party brands and serving chemical, food, marine, wastewater, and energy customers through technical specification and spare parts supply.

Ownership category

akta.pro rank

Product category

Industrial and marine pumps

NAICS

Measuring, Dispensing, and Other Pumping Equipment Manufacturing (333914), Pump and Compressor Manufacturing (33391)

SIC

Pumps & Pumping Equipment (3561), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070), Oil & Gas Field Machinery & Equipment (3533)

akta.pro primary industry

Positive Displacement Pumps (IMAHANAB)

Keywords

• Industrial pump distribution
• Marine pump supply
• Pump specification services
• Fluid handling equipment
• Genuine pump spares

Headquarters

HQ city

Nottingham

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Pump Equipment Sales: Sale of industrial and marine pumps across all pump types including centrifugal, positive displacement, AODD, barrel, peristaltic, flexible impeller, gear, progressive cavity, and more. Pumps are sourced from approved manufacturers including Azcue, CAT Pumps, Flux, Boyser, Liverani, Debem, and others.
2. Spare Parts Sales: Sale of genuine spare parts for all pump models in their range, including a UK stocking of Azcue and CAT Pumps spares. Spare parts include replacement impellers, inner hoses, seals, and other wearing components.
3. Technical Advisory Services: Technical sales engineers provide specification advice, application diagnosis, and pump selection services as part of the sales process, at no separate charge, to ensure customers get the right pump for their specific requirements.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Castle Pumps distributes and supplies industrial and marine pumps across 19 pump types (centrifugal, positive displacement, AODD, barrel, peristaltic, progressive cavity, gear, magnetic drive, etc.) as an approved agent for brands including Azcue, CAT Pumps, Boyser, Flux, Liverani, Debem and Yildiz. The company pairs pump hardware sales with BPMA-qualified technical specification, bespoke system design, and UK-stocked genuine spare parts from a 14,000 sq.ft Birmingham warehouse, targeting industrial manufacturers and marine vessel operators globally.

Product overview

Castle Pumps is a specialist supplier of industrial and marine pumps operating as a single-source solution provider with over 15 years of experience. The company offers an extensive portfolio of 19 distinct pump types including AODD, Barrel, Centrifugal, Flexible Impeller, Gear, Hand, Magnetic Drive, Multistage, Peristaltic, Piston, Progressive Cavity, Screw, Self-Priming Centrifugal, Side Channel, Submersible, Vane, Vertical Immersion, and Vertical Inline pumps. These pump types are distributed across multiple application categories including Food Grade, Chemical, Cooling, Dosing, High Viscosity, Marine, Sewage, and Wastewater applications. The company represents trusted brands including Azcue (marine pumps), Boyser (peristaltic pumps), CAT Pumps (high-pressure plunger pumps), Flux (drum/barrel pumps), and Liverani (flexible impeller pumps). Alongside pump sales, Castle Pumps offers spare parts supply, technical consultation, and custom system design services. The company operates from Birmingham, UK with a 14,000 sq.ft warehouse and is a division of the CTS Group, part of Flow Max Ltd.

Differentiator

Problem solved

Functional benefit

Products and services

• AODD Pumps (Air-Operated Double Diaphragm) Positive displacement pumps driven by compressed air with over 50% fewer wearing parts than alternatives, maximising uptime and minimising downtime in industrial applications.
• Barrel Pumps Electric drum pumps designed for container emptying from drums and IBCs, suitable for chemicals, oils, fuels and foodstuff with easy installation and disassembly.
• Centrifugal Pumps Common industrial pumps using centrifugal force for fluid transfer, available in single and multistage configurations for various flow and pressure requirements.
• Flexible Impeller Pumps Low shear pumps ideal for food, beverage and alcohol transfer with smooth pumping action that preserves product consistency and handles small solids.
• Gear Pumps Positive displacement pumps suitable for viscous fluids including oils, adhesives and resins with consistent volumetric flow rates.
• Magnetic Drive Pumps Seal-less pumps using magnetic coupling to eliminate leakage risks, ideal for aggressive chemicals and corrosive fluids in process applications.
• Multistage Pumps High-pressure centrifugal pumps with multiple impellers for applications requiring greater pressure capabilities such as water supply boosting and long-distance transfer.
• Peristaltic Pumps Hose pumps that move fluid by squeezing a flexible tube, featuring dry-run capability, self-priming and suitability for viscous, abrasive and shear-sensitive fluids.
• Progressive Cavity Pumps Single-screw positive displacement pumps ideal for viscous products with solids such as soups, sauces and sludge, providing smooth continuous flow.
• Self-Priming Centrifugal Pumps Centrifugal pumps capable of automatically priming by removing air from the suction line, suitable for applications where the pump is positioned above the fluid level.
• Submersible Pumps Pumps designed to operate while submerged in fluid, used for dewatering, drainage, sewage transfer and underwater installations.
• Vertical Inline Pumps Space-saving centrifugal pumps installed directly in the pipeline with vertical motor orientation, suitable for circulation and boosting applications.
• Azcue Marine Pumps Spanish-manufactured type-approved marine pumps including ballast, cooling, fuel transfer and boiler feed pumps trusted by over 22,000 vessels, supplied via Castle Pumps as UK agent.
• CAT Pumps High-Pressure Plunger Pumps US-manufactured high-pressure plunger pumps known for long life and efficient performance in industrial cleaning and process applications, distributed with UK-stocked genuine spares.
• Boyser AMP Peristaltic Pumps Spanish-manufactured roller-operated peristaltic hose pumps for dosing, small volume transfer and heavy-duty industrial applications handling viscous and abrasive fluids, including the AMP, FMP and RBT ranges.
• Flux Drum and Barrel Pumps German-manufactured barrel and drum pumps including F300, F400, F500 and Viscopower ranges for low to high viscosity fluid transfer in industrial applications.
• Liverani Flexible Impeller Pumps Italian-manufactured food-grade flexible impeller pumps including the All-in-One series with variable speed, remote control and barrel filling programming for wine and beverage transfer.
• Pump Spare Parts Supply Supply of genuine spare parts including replacement impellers, inner hoses, seals and wearing components for all pump models in the range, with UK-stocked Azcue and CAT Pumps parts available via model and serial number lookup.
• Technical Pump Specification and Consultation BPMA-qualified sales engineers provide pump selection, application diagnosis, fluid compatibility analysis and performance optimisation for customers' specific process requirements, supported by site visits.
• Bespoke Pump System Design Bespoke pump system design, specification and integration including custom fabrication, integration with existing pipework and complete pumping solutions for challenging applications.

Quantifiable outcome

• Customers receive pumps with exact process specifications rather than pumps that 'just do the job', reducing wear, maintenance, product waste, and energy costs
• +2 more outcomes

Named customers5 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

19 partnerships are on record, tiered core and minor.

• Azcue PumpscoreChannel Partner/ Reseller/ DistributorCastle Pumps is the approved UK agent for Azcue Pumps, a manufacturer of type approved marine pumps. Castle Pumps is trusted by 22,000 vessels and supplies Azcue pumps for marine applications including cooling, ballast, fuel transfer, bilge water, and cargo handling. Castle Pumps also maintains UK stock of Azcue spare parts.
• CAT PumpscoreChannel Partner/ Reseller/ DistributorCastle Pumps is an Official CAT Pumps Supplier, offering pumps and genuine spare parts at competitive prices and lead times. Castle Pumps also maintains UK stock of CAT Pumps spare parts and provides a CAT Pump maintenance guide in their Info Hub.
• FluxcoreChannel Partner/ Reseller/ DistributorFlux is a manufacturer of drum pumps that Castle Pumps has partnered with for many years thanks to the quality of their design. Castle Pumps supplies the full Flux range including F300, F400, F500, and Viscopower series pumps for applications including barrel emptying, food grade transfer, and high viscosity fluids. Castle Pumps is covered under the Best Price Guarantee for Flux.
• Bombas BoysercoreChannel Partner/ Reseller/ DistributorCastle Pumps supplies the full Boyser range including AMP peristaltic hose pumps, FMP peristaltic pumps, and RBT peristaltic pumps. They have been supplying Boyser pumps for almost 15 years for difficult applications. Castle Pumps supplies all Boyser spare parts including replacement inner hoses worldwide.
• LiveranicoreChannel Partner/ Reseller/ DistributorLiverani is an Italian manufacturer of flexible impeller pumps. Castle Pumps supplies the Liverani All in One range and has partnered with them for food grade and alcohol transfer pump applications. The Liverani All in One with remote control, variable speed drive, and reversible operation is featured in the Defined Wine winery case study.
• DebemcoreChannel Partner/ Reseller/ DistributorCastle Pumps is an approved agent and distributor for Debem pumps, a manufacturer included in the Best Price Guarantee programme.
• YildizcoreChannel Partner/ Reseller/ DistributorCastle Pumps is an approved agent and distributor for Yildiz pumps, a manufacturer included in the Best Price Guarantee programme.
• BindaminorChannel Partner/ Reseller/ DistributorBinda is a pump manufacturer represented by Castle Pumps in their product portfolio.
• Bombas TriefminorChannel Partner/ Reseller/ DistributorBombas Trief is a pump manufacturer represented by Castle Pumps in their product portfolio.
• GemmecottiminorChannel Partner/ Reseller/ DistributorGemmecotti is a pump manufacturer represented by Castle Pumps in their product portfolio.
• HCPminorChannel Partner/ Reseller/ DistributorHCP is a pump manufacturer represented by Castle Pumps in their product portfolio.
• JapyminorChannel Partner/ Reseller/ DistributorJapy is a pump manufacturer represented by Castle Pumps in their product portfolio.
• Nova RotorsminorChannel Partner/ Reseller/ DistributorNova Rotors is a pump manufacturer represented by Castle Pumps in their product portfolio.
• RaasmminorChannel Partner/ Reseller/ DistributorRaasm is a pump manufacturer represented by Castle Pumps in their product portfolio.
• CTS GroupcoreStrategic or Co-development PartnerCastle Pumps is a division of the CTS Group, which is made up of Centre Tank Services Ltd, CTS Middle East, and Whisper Pumps. This provides additional business support allowing the company to grow further.
• Flowmax GroupcoreStrategic or Co-development PartnerCastle Pumps is also part of the Flowmax group, which consists of 15 companies in the fluid handling industry. This provides access to valves, flow meters, fittings, and other parts, as well as strategic and financial backup of being part of a larger group.
• Centre Tank Services LtdminorOthersPart of the CTS Group, providing additional business support within the fluid handling industry network.
• CTS Middle EastminorOthersPart of the CTS Group operating in the Middle East, providing geographic expansion within the fluid handling industry network.
• Whisper PumpsminorOthersPart of the CTS Group, operating in the fluid handling industry within the broader network of companies.

Scale indicators4 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• Verder Group: European manufacturer and distributor of industrial pumps (peristaltic, centrifugal, AODD) serving chemical, food and process industries. Closest comparable in specialty pump specification with multi-brand distribution and direct service presence across Europe.
• Michael Smith Engineers: UK-based specialist industrial pump supplier with a long heritage of supplying centrifugal and positive displacement pumps to process industries. Closest UK peer in terms of single-source distributor model and engineer-led specification.
• Watson-Marlow (Watsco Group / Spirax-Sarco): Specialist peristaltic and sinusoidal pump manufacturer with strong hygienic/food-grade presence. Direct overlap with Castle's peristaltic and dosing lines and shared food & beverage and pharmaceutical customers.
• Tapflo UK: UK arm of Tapflo Group manufacturing and distributing AODD, centrifugal, peristaltic and diaphragm pumps into chemical, hygienic and industrial markets. Comparable product breadth and target customer profile.
• Pump Engineering Ltd: UK distributor focused on hygienic and sanitary pumps (positive displacement, centrifugal) for food, beverage, pharmaceutical and personal care. Overlapping customer base and direct competitor on food-grade pump specification.

Broad incumbents

• Xylem: Global water technology and pump major (Flygt, Wedeco, Bell & Gossett). Overlaps in industrial and wastewater pump supply, and increasingly offers digital procurement channels that bypass traditional distributors.
• Sulzer: Swiss industrial pump and rotating equipment manufacturer with strong presence in oil & gas, water and process industries. Comparable on marine/offshore and chemical applications, but as a manufacturer incumbent rather than distributor.
• Flowserve: Major manufacturer of pumps, valves and seals for power, oil & gas, chemical and water. Overlaps in industrial pump specification and after-market spares, with its own service network competing with independent distributors.
• Rubix (formerly Brammer/IBS): Pan-European industrial MRO distributor with a substantial pumps, bearings and power-transmission portfolio. Competes on broad-line MRO contracts where Castle's specialist specification story faces bundling pressure.
• Grundfos: Global pump manufacturer with broad industrial, commercial and dosing portfolios. Competes at the higher end of centrifugal and dosing pump specifications and increasingly sells direct, raising disintermediation pressure on independent distributors.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/castle-pumps-ltd

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Castle Pumps