What Maidenhead Aquatics does

Maidenhead Aquatics Ltd. is a UK-based specialist aquatics retailer operating a hybrid online and physical-store model. Its digital flagship is fishkeeper.co.uk, a Magento-based e-commerce storefront supported by a mobile app, while its three vertical-specific sub-domains (fishkeeperscotland.co.uk for Scotland, thereefkeeper.co.uk for marine/reef, koikeeper.co.uk for pond and koi) segment demand by geography and hobby specialty. The company runs multiple physical retail locations across the United Kingdom staffed by fishkeeping specialists, with Click and Collect integration bridging online and offline channels; it explicitly does not ship internationally.

The product portfolio spans aquarium, pond, and marine categories, with pricing ranging from £1.50 small plastic plants to £229.92 premium substrate and aquariums from £88 to £135 at entry level. Range is dominated by third-party brands (Superfish for aquariums, filters, and lighting with 183+ SKUs; AquaFleur for VITRO-grown live plants; Classic Pet Products for ornaments with 258+ SKUs), with own-brand lines including Fishkeeper MyQuarium nano aquariums, AquaManta ornaments, and digital thermometers. Core supplier partnerships are exclusive or quasi-exclusive, and the company operates the Fishkeeper Fry educational program in UK primary schools as a customer-acquisition channel.

Revenue is generated through one-time retail transactions (online, in-store, Click and Collect), private-label product sales, and gift card sales, supported by Klarna BNPL, free express delivery over £39, and Price Match guarantees. Distribution is single-country/UK-only, with shipping surcharges applied to highlands, islands, and Northern Ireland. Logistics rely on DPD as the primary courier and Royal Mail for gift card delivery. The company employs between 501 and 1,000 people and is incorporated as a private limited company with no public listing, no parent entity, and no disclosed external funding; ownership appears closely held with no documented VC or PE sponsorship.

Name

Maidenhead Aquatics

Legal name

Maidenhead Aquatics Ltd.

Website

https://fishkeeper.co.uk

Company type

Private

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Maidenhead Aquatics is a UK-based specialist aquatics retailer operating fishkeeper.co.uk e-commerce alongside multiple physical stores, serving aquarium, pond, and marine hobbyists with own-brand and third-party aquatic products.

Ownership category

akta.pro rank

Product category

Aquatic Pet Retail

akta.pro primary industry

Aquarium & Fish Supplies Retail (CRALAHAI)

akta.pro secondary industry

Fish & Aquarium Feed (Ornamental) (AFADAFAL)

Keywords

• Aquarium supplies retail
• Pond products retail
• Marine aquarium equipment
• Pet retail stores
• Live aquatic plants

Headquarters

HQ city

Egham

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Revenue model

1. E-commerce Sales: Online sales through fishkeeper.co.uk website with delivery to customer addresses across the UK. Orders over £39 qualify for free express delivery.
2. Physical Retail Store Sales: In-store purchases at physical retail locations across the UK with expert advice from fishkeeping specialists
3. Click and Collect: Online orders placed for collection at local stores with extended holiday availability
4. Private Label Products: Sale of own-brand products including Maidenhead Aquatics branded items such as fish transportation bags, Fintro (fish introduction solution), digital thermometers, and gift cards
5. Gift Card Sales: Physical and digital gift cards available in various themed designs for purchase as gifts

Pricing tiers

Go-to-market motion1 record

Distribution channels6 records

Marketing channels8 records

Core offering

Maidenhead Aquatics is the UK's leading aquatics retailer, operating multiple physical stores across the United Kingdom alongside a comprehensive e-commerce platform (fishkeeper.co.uk). The company sells aquarium, pond, and marine products including tanks, filters, lighting, pumps, foods, water treatments, medications, décor, substrate, and live plants, complemented by own-brand lines such as Fishkeeper MyQuarium and AquaManta. It also offers the Fishkeeper Fry educational program and operates specialized sub-brand storefronts for Scottish, reef, and koi-keeping customers.

Product overview

Maidenhead Aquatics operates fishkeeper.co.uk as the UK's leading aquatics retailer, offering a comprehensive portfolio of physical products across three main categories: Aquarium Products, Pond Products, and Marine Products. The core offering includes their own Fishkeeper-branded items such as MyQuarium nano aquariums and digital thermometers, alongside distributed third-party brands including Superfish (aquariums, filters, and accessories), AquaFleur (live aquarium plants), and Classic Pet Products (ornaments and artificial plants). Products range from complete aquarium setups with integrated filtration and LED lighting to consumables, treatments, medications, décor, and spare parts. The company also operates the Fishkeeper Fry educational program for children.

Differentiator

Problem solved

Functional benefit

Brands

• Fishkeeper MyQuarium: Own-brand aquarium range including Fishkeeper MyQuarium Grey 30L and 16L models
• AquaManta
• Fishkeeper Fry

Products and services

• Aquarium Products

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• FeefocoreGTM or Marketing PartnerCustomer review platform integration displaying trusted service ratings and reviews on the fishkeeper.co.uk website. Awards include Platinum Trusted Service Award 2025.
• KlarnaminorGTM or Marketing PartnerPayment services partnership allowing customers to use Klarna's flexible payment options for purchases on fishkeeper.co.uk
• AquaFleurcoreTechnology or IntegrationSupplier of premium live aquarium plants grown in laboratory conditions in VITRO medium, sold exclusively through Fishkeeper stores and online. Products include Bucephalandra, Limnophila Vietnam, and other aquatic plants.
• SuperfishcoreTechnology or IntegrationKey supplier of aquariums, filters, lighting, and accessories. Products include Quadro and QubiQ aquarium systems, Corner-Flow filters, and Bio Art decorative items. Major product line with 183+ products listed.
• Classic Pet ProductscoreTechnology or IntegrationMajor supplier of aquarium ornaments with 258+ products. Includes artificial plants, shipwrecks, ruins, Christmas decorations, and natural-looking ornaments for freshwater aquariums.
• DPD (Courier)coreOthersPrimary courier service for online order deliveries. Provides list of postal codes with surcharge surcharges for highlands, islands, and Northern Ireland deliveries.
• Royal MailminorOthersUsed for delivery of physical gift cards and gift shop items (clothes, towels etc). Delivery usually takes 1-2 working days.
• UK Schools (Fishkeeper Fry Program)minorStrategic or Co-development PartnerEducational partnership with UK schools through Fishkeeper Fry program, including School of the Year 2026 competition won by St. Michael's C of E Primary School.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Swell UK: A leading UK online aquatics retailer specializing in tropical, marine, and pond equipment. Directly comparable as a UK aquatics e-commerce specialist serving the same hobbyist customer base, though operating without Maidenhead's large physical store footprint.
• Complete Aquatics: UK aquatics retailer offering aquariums, fish, plants, and dry goods both online and via physical stores. Comparable as a multi-channel UK aquatics retailer with overlapping product range and customer segments.
• J & K Aquatics: UK aquatics retailer offering tropical, marine, and coldwater fish plus aquarium supplies. Comparable as a UK multi-channel aquatics retailer serving hobbyist customers with a similar product mix.
• Charterhouse Aquatics: UK aquatics retailer offering aquarium, marine, and pond products to hobbyists. Comparable as a multi-category UK aquatics retailer targeting the same aquarium hobbyist and pond keeper segments.
• Aqua Essentials: UK-based aquatics retailer focused on tropical fish, plants, and aquarium supplies. Comparable as a UK specialist in live aquatic plants and aquarium products serving a similar hobbyist customer base.

Broad incumbents

• Pets at Home: The UK's largest multi-channel pet retailer with a national store network, veterinary services, and growing aquatics assortment. Comparable as a UK specialty pet retailer with both physical and digital distribution, though far broader in category scope than Maidenhead's aquatics focus.
• Amazon UK: Dominant UK e-commerce marketplace carrying a wide assortment of aquarium supplies, pond equipment, and pet products from multiple sellers. Comparable as the principal broad-based pricing competitor that Maidenhead's Price Match system is designed to counter.
• Pets Corner: UK family-owned pet retailer with a multi-store footprint and online presence, offering food, accessories, and live animals including fish. Comparable as a UK multi-channel specialty pet retailer, though broader in scope than aquatics-only.

Emerging players

• The Trop Shop: Online UK-based aquatics and tropical fish retailer. Comparable as a specialist online aquatics retailer targeting hobbyist customers, overlapping with Maidenhead's e-commerce assortment and audience.
• Pro Shrimp: UK specialist retailer focused on shrimp, plants, and nano aquarium equipment. Comparable as a UK e-commerce aquatics specialist targeting hobbyist customers, particularly in the planted tank and invertebrate niches that overlap with Maidenhead's live plant assortment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/the_fishkeeper
• YouTubeyoutube.com/channel/maidenheadaquatics
• Facebookfacebook.com/maidenheadaquatics
• LinkedInlinkedin.com/company/maidenhead-aquatics
• Instagraminstagram.com/maidenheadaquatics

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 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 Maidenhead Aquatics