What SEPAR UK LTD does

SEPAR UK LTD is a UK-based distributor and own-brand manufacturer of fuel filtration, water separation, and fuel polishing products for diesel and middle distillate fuel systems, founded in 1989 by Geoff Ross and headquartered in St Albans, Hertfordshire. The company holds exclusive UK distribution rights for German-engineered Separ (Willibrord Losing Filter-Technik) fuel filtration technology and operates the registered WASP brand (trademarked 1996) for own-manufactured fuel strainers, filters, polishing systems, and additives; fuel polishing system sales are channeled through sister company WASP PFS Ltd (formed 2011). Core products include the SWK2000 multi-stage filtration range (centrifugal separation, gravity settling, vane coalescence, and water-resistant media elements available in flow capacities from 5 to 130), the LKF Series of smart coalescing filters featuring proprietary RFID transponder anti-counterfeiting and QR-coded datasheet access, the PA6-construction EVO-10 lightweight filter for trucks and generators, KWA spare parts, fuel additives (WASP FTR, Biokem SP15, Kathon FP1.5), and turnkey WASP Fuel Polishing Systems (e.g., MFS-SWK2000/40/WSA priced at £10,105).

The company serves five primary verticals: Marine (founding market since 1989, including pleasure craft, commercial fishing, offshore vessels, lifeboats, and military craft), Power Generation and Backup (data centres, healthcare, banking standby generators), Transport and Truck (commercial vehicle fleets meeting EN590 specifications), Agriculture and Off-Road (tractors, harvesters, construction equipment), and Building Services (facility backup systems). Go-to-market is primarily channel-led through 12+ UK distributors and 3 Irish distributors covering Plymouth to Shetlands and Dublin to Cork, supplemented by direct sales via telephone (currently the primary ordering route as e-commerce is temporarily paused), the separ.co.uk website, and international distribution partners selling WASP products into over 30 countries. The company maintains ISO 9001:2015 certification continuously since September 1998, supports a recurring spare-parts revenue stream from its installed base of fuel filtration equipment, and reports a recent customer survey indicating 100% satisfaction and 100% excellent/very-good service ratings.

Name

SEPAR UK LTD

Legal name

Separ UK Ltd

Website

https://separ.co.uk

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

11–50 employees

Short description

SEPAR UK LTD, founded 1989 and headquartered in St Albans, UK, distributes German-engineered Separ fuel filtration products and manufactures its own WASP-branded filters, water separators, and fuel polishing systems for diesel-powered marine, power generation, transport, agriculture, and building-services customers across the UK, Ireland, and 30+ countries internationally.

Ownership category

akta.pro rank

Product category

Fuel Filtration Systems

NAICS

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Measuring, Dispensing, and Other Pumping Equipment Manufacturing (333914)

SIC

Oil & Gas Field Machinery & Equipment (3533), Miscellaneous Chemical Products (2890)

akta.pro primary industry

Fuel Systems Service (Diesel/Gas/CNG/LNG, Injectors, Tanks) (TLAKABAH)

akta.pro secondary industries

Fuel & Emissions Systems for Propulsion (Fuel supply, SCR, EGR, exhaust aftertreatment) (IMAJAHAK), Fuel Blending & Additives Services (Blend Optimization, Compatibility) (TLAHAKAI)

Keywords

• Fuel filtration systems
• Diesel water separation
• Fuel polishing systems
• Marine fuel filters
• Diesel engine protection

Headquarters

HQ city

Saint Albans

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Fuel Filter Sales: Sale of fuel filters including SWK2000 range, LKF range, EVO-10, KWA spares, and WASP branded filters. Products range from small filter elements (£8-£60) to complete filter units (£370-£395).
2. Spare Parts and Consumables: Replacement filter elements, seal kits, bowl kits, and service parts for all filter ranges. Online shop with add-to-cart functionality and next-day availability mentioned.
3. Fuel Additives and Testing: WASP FTR fuel treatment products (50ml and 250ml), fuel testing services, Kathon FP1.5 biocide. Ancillary products for fuel maintenance and contamination treatment.
4. Fuel Polishing Systems: WASP branded fuel polishing systems for tank cleaning and fuel conditioning. MFS-SWK2000/40/WSA unit priced at £10,105.49. Complete turnkey solutions for fuel storage contamination issues.
5. Technical Support and Servicing: Technical support department provides servicing manuals and guidance. Support contact available on +44 (0)1727 401 002 for product selection assistance.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels6 records

Core offering

Separ UK supplies German-engineered Separ fuel filtration and water separation products for diesel and middle distillate fuel systems, including the SWK2000 range, EVO-10, and LKF Series filters, along with WASP-branded fuel strainers, fuel polishing systems, fuel additives, LKH fuel heaters, water-in-fuel sensors, and hand priming pumps. The company sells spare elements, accessories, and related service parts to marine, power generation, transport, agriculture, and building services customers across the UK and Ireland.

Product overview

SEPAR UK LTD is a UK distributor for German-engineered Separ fuel filtration products, founded in 1989. The company offers a comprehensive fuel filtration and fuel polishing portfolio consisting of the SWK2000 Range (water separator filters with centrifugal technology), the EVO-10 (lightweight plastic filters for trucks and generators), the LKF Series (smart coalescing filters with RFID security for automotive/industrial use), KWA Range spares, the own-brand WASP filters including strainers and fuel polishing systems, WASP fuel additives, LKH fuel heaters, water in fuel sensors, and hand priming pumps. Products serve marine, power generation, transport, agriculture, and building services sectors. Sister company WASP PFS Ltd handles custom fuel polishing system builds.

Differentiator

Problem solved

Functional benefit

Brands

• WASP: WASP is Separ UK's own brand registered in 1996, covering fuel strainers, fuel filters, and fuel polishing products. The WASP range includes W-4, W-15, W-20, W-25, W-30, W-70100, W-70500, W-70700, and spin-on filters.
• WASP PFS

Products and services

• SWK2000 Range Fuel Filters German-engineered multi-stage fuel filters and water separators from Willibrord Losing Filter-Technik, available in sizes SWK2000/5, /5/50, /10, /18, /40, and /130 to match different flow capacities. The 5-stage process combines centrifugal separation, gravity settling, vane coalescence, and water-resistant paper elements (10, 30, or 60 micron). Trusted by marine, agriculture, construction, power generation, and military customers.
• EVO-10 Lightweight Filter Lightweight, toolless change fuel filter constructed from PA6 plastic (not aluminium), suitable for trucks and generators. Based on the SWK2000/10 design with internal centrifugal chamber, vane separation, and pleated media filtration. Available in 10 and 30 micron paper or 60 micron stainless steel elements, with high separation efficiency and minimal pressure drop.
• LKF Series Smart Filters Coalescing filters for high-performance diesel generator sets, trucks, trains, buses, and agricultural machinery. Filters fuel beyond EN590 specification, extracting both free and emulsified water. Features RFID transponder for anti-counterfeiting, QR codes for datasheet downloads, 2-stage filtration up to 8 lit/min, 3/6/10 micron filtering, special fuel return port, self-heating option, and HVO100 compatibility.
• KWA Range Spares Replacement filter elements, seal kits, and spares for KWA filter housings including KWA-20, KWA-50, KWA-90, and KWA-100 models, available in 10 and 30 micron ratings.
• WASP Fuel Filters Own-brand WASP fuel strainers and filters including W-4, W-15, W-20, W-25, W-30, W-70100, W-70500, W-70700 series with paper and stainless steel elements ranging from 15 to 100 microns.
• WASP Fuel Polishing Systems Complete fuel polishing systems for cleaning stored diesel fuel, removing water and particulates. Includes the MFS-SWK2000/40/WSA Separ Fuel Polishing Unit priced at £10,105.49. Designed for backup generators, marine vessels, and building protection applications.
• WASP Fuel Additives WASP FTR Fuel Treatment in 50ml and 250ml sizes for treating bacterial and fungal infections in fuel, plus WASP Biokem SP15 biocide and Kathon FP1.5 biocide. Ancillary products for fuel maintenance and contamination treatment.
• LKH Fuel Heater External fuel heater for cold-weather applications preventing waxing and gelling of diesel in freezing conditions. Available in 200W, 400W, and 600W variants. Suitable for marine vessels, trucks, and industrial machinery applications.
• Water in Fuel Sensors Electronic sensors for detecting water content in fuel systems. SWPG724A model operates at 9-32V with PG7 thread and 20cm cable. Includes active and passive water-in-fuel sensor variants.
• Hand Priming Pumps In-line hand priming pumps for all SWK2000 ranges and EVO-10 filters, priced at £115.82. Used to prime fuel systems during filter changes or maintenance.

Quantifiable outcome

• 100% customer satisfaction reported in recent customer survey
• +1 more outcomes

Named customers5 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Five partnerships are on record, tiered core and minor.

• WASP PFS LtdcoreStrategic or Co-development Partner · 1 January 2011Sister company formed in 2011 specifically to handle WASP branded products and fuel polishing system sales. Separate website (wasp-pfs.com) handles all non-separ related enquiries. SWK2000 filters form integral part of WASP's Fuel Polishing Systems. Shares management with Richard Massara as Sales Manager for both companies.
• CJC (Christian Jensen)minorChannel Partner/ Reseller/ Distributor · 1 January 1998Sub-agents for CJC lube and fuel oil filtration equipment appointed in 1998 alongside Reverso Oil change systems from Florida.
• Reverso Oil Change SystemsminorChannel Partner/ Reseller/ Distributor · 1 January 1998Appointed as sub-agents for Reverso Oil change systems from Reverso in Florida in 1998.
• Mahle Filtration EquipmentminorChannel Partner/ Reseller/ Distributor · 1 January 1994Distributor for Mahle filtration equipment (lube oil) through their main UK distributor from 1994, servicing the marine and generating set builder markets.
• SEPAR (Germany) - Willibrord Losing Filter-TechnikcoreTechnology or Integration · 1 January 1989UK distributor for German Separ fuel filtering products since company founding in 1989. Separ Filter/Water Separator range covers diesel and petrol engine applications. German-engineered Separ filters renowned worldwide for quality, durability, and reliability.

Scale indicators5 records

Recent moves9 records

Expansion highlights5 records

Broad incumbents

• Alfa Laval: Marine-focused equipment major offering fuel treatment, separators, and conditioning systems for shipping and offshore. Comparable to SEPAR UK's marine segment and WASP PFS fuel polishing business, though serving much larger shipyard and commercial marine customers.
• Mann+Hummel: Leading global filtration company supplying diesel fuel filters, water separators, and OEM filtration modules for automotive, commercial vehicle, and industrial applications. Significantly larger and broader than SEPAR UK but with overlapping product technology.
• Donaldson Company: Global filtration manufacturer with extensive diesel fuel filtration and water separation portfolio across heavy-duty, marine, and industrial markets. A much larger incumbent operating in the same product category as SEPAR UK but with vastly broader scope.
• Cummins Filtration (Fleetguard): Filtration arm of Cummins supplying diesel fuel filters, water separators, and coolant filtration for heavy-duty commercial vehicles, marine, and power generation. Overlaps with SEPAR UK's transport, power generation, and fuel polishing segments.
• Mahle Filtration: Global filtration division of Mahle Group with comprehensive diesel fuel filter and oil filtration lines. SEPAR UK is already a UK distributor for Mahle lube equipment, making Mahle a partner-incumbent competitor across marine and generator markets.

Direct peers

• Stanadyne: US-based fuel injection and filtration specialist with diesel fuel filtration and water separation products for heavy-duty, agricultural, and marine applications. Direct technology and end-market overlap with SEPAR UK's transport and agriculture segments.
• Racor (Parker Hannifin): Racor is the global market leader in diesel fuel filtration and water separation for marine, transport, and industrial applications. Directly comparable to SEPAR UK's SWK2000 and LKF product lines in target market and technology.
• CC Jensen (CJC): Danish manufacturer of lube and fuel oil filtration equipment, for which SEPAR UK already acts as UK sub-agent. Direct peer in offline oil filtration and fuel conditioning, particularly for marine and power generation markets.

Regional players

• Wesfil Australia: Australian fuel and oil filtration distributor with parallel niche positioning to SEPAR UK in the diesel and middle distillate filtration market. Comparable distribution-led model but geographically focused on Australia rather than UK/Ireland.

Emerging players

• Boll & Kirch Filter: German filtration manufacturer specialising in automatic self-cleaning filters for fuel, oil, and water treatment. Comparable to SEPAR UK's WASP fuel polishing systems in industrial and marine fuel conditioning applications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/SeparUK

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 SEPAR UK LTD