Calem

What Calem does

Calem S.A. is a family-owned Spanish self-storage operator founded in 2002 and headquartered in Seville, operating three physical facilities in the Seville metropolitan area — Hytasa, Camas, and San Juan de Aznalfarache. The company positions itself as a pioneer of the self-storage category in Andalusia, with more than two decades of continuous local operation and no external funding or institutional ownership. The technology stack is conventional and asset-heavy: physical units equipped with 24-hour video surveillance, alarm systems, fire protection, individual key control, and 24/7 access, with no proprietary digital platform or AI-driven systems disclosed.

The product portfolio covers six core lines — trasteros (storage rooms), mini-almacenes, guardamuebles (furniture storage), almacenes (larger warehouse modules of 4-32m²), standard self-storage units, and Almacenamiento Frigorífico (cold storage) — targeting both ambient and temperature-controlled demand. Unit sizes span roughly 3m² to 32m², with the Camas site offering 3,500m² of dedicated warehouse capacity and the San Juan de Aznalfarache site contributing 200+ units, indicating meaningful absolute scale for a regional operator.

Revenue is generated through recurring monthly and annual rental contracts with a tiered discount structure (cumulative discounts of up to approximately 50% for 12-month commitments, advance payment, and multi-unit bookings) and promotional offers such as first-month-free campaigns. The customer mix is deliberately diversified across four horizontal segments — individuals and households, self-employed professionals, SMBs and entrepreneurs, and larger businesses storing inventory or merchandise — with go-to-market executed direct-to-consumer via phone, web contact forms, and walk-in traffic. The absence of anchor enterprise customers, franchise operations, or third-party distribution channels keeps the business concentrated in organic, local-market demand within the Seville metro.

Name

Calem

Legal name

CALEM S.A.

Website

https://www.calemtrasteros.com

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Calem S.A. is a family-owned Spanish self-storage operator founded in 2002, offering rental storage units, warehouse modules, and cold storage across three facilities in the Seville metropolitan area to individuals, self-employed professionals, SMBs, and businesses.

Ownership category

akta.pro rank

Product category

Self-Storage Services

NAICS

Lessors of Miniwarehouses and Self-Storage Units (531130)

SIC

Public Warehousing & Storage (4220)

akta.pro primary industry

Standard/Non-Climate Self-Storage (HSAKAGAB)

akta.pro secondary industry

Climate-Controlled Self-Storage (HSAKAGAA)

Keywords

• Self storage rental
• Storage unit rental
• Mini warehouse rental
• Furniture storage
• Cold storage services

Headquarters

HQ city

Sevilla

HQ country

Spain

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Storage Unit Rental: Monthly rental of storage units (trasteros, minialmacenes, warehouses) with flexible contract durations. Customers pay recurring monthly fees with discounts for longer-term commitments. The company offers various unit sizes from 3m² to 32m² at different locations in the Seville area.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Calem S.A. rents self-storage units, mini-warehouses, cold-storage modules, furniture storage rooms, and warehouse modules on recurring monthly contracts across three facilities in the Seville metropolitan area. Customers access units 24/7 via personal keys and access codes under continuous videovigilance, alarms, fire protection, and on-site security. The offering is sold directly to individuals and businesses through the company website, phone, and walk-in inquiries.

Product overview

Calem S.A. is a family-owned Andalusian/Seville-based company and pioneer in self storage services in Sevilla for over 20 years, offering six integrated storage products: Trasteros (individual storage rooms from 4-32m² with 24/7 access), Mini Almacenes (compact warehouse spaces), Almacenamiento Frigorífico (cold storage for temperature-sensitive items), Guardamuebles (furniture storage for relocations), Almacenes (larger warehouse modules from 4-32m²), and Self Storage (exclusive-use spaces). All services share common infrastructure across three locations (Sevilla/Hytasa, Camas, San Juan de Aznalfarache) with uniform security features (videovigilance, alarm systems, 24-hour guards, private industrial parks), 24/7 key access, vehicle access for loading/unloading, and a product store supplying packing materials. The company also offers ancillary services including merchandise reception, forklift assistance, moving company referrals, and parking spaces.

Differentiator

Problem solved

Functional benefit

Products and services

• Trasteros Individual storage rooms available in sizes from 4m² to 32m² with 24/7 access via personal keys, advanced security measures including 24-hour security guards, video surveillance, and alarm systems. Sold to individuals and businesses in the Seville metro area on monthly or annual contracts.
• Mini Almacenes Compact warehouse spaces for storing stocks, tools, or products with round-the-clock surveillance, security circuits, and conditioned modules. Available in multiple sizes at three Sevilla-area locations, targeted at commercial clients and self-employed professionals (autónomos).
• Almacenamiento Frigorífico Cold storage service for temperature-sensitive products requiring controlled humidity, cold, or heat conditions. Available at the Camas facility with the same security and access guarantees as standard warehouses.
• Guardamuebles Individual furniture storage units for customers experiencing space problems during relocations, office changes, or home renovations. Offers flexible rental duration with climate-controlled and secure conditions.
• Almacenes Warehouse rental for organized merchandise storage, stocks, files, or materials. Modules range from 4m² to 32m² with independent units, video surveillance, private industrial location, and 24/7 access. Targeted at commercial clients.
• Self Storage Exclusive-use self-storage spaces rented for a set period, where the customer has sole access via personal key and code, with videovigilance and cleaning services. Available in Hytasa, Camas, and San Juan de Aznalfarache. Targeted at entrepreneurs and SMBs needing dedicated, secure, flexible space with 24/7 accessibility.

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators6 records

Recent moves4 records

Expansion highlights4 records

Direct peers

• BlueSpace: Leading Spanish self-storage chain operating across multiple cities including Seville. Directly comparable in offering (standard, climate-controlled, and business units) and customer base (individuals and businesses), but at meaningfully greater scale and with stronger digital booking capabilities.
• OK Minialmacenes: Spanish self-storage operator offering trasteros and mini-almacenes rentals comparable to Calem's core products. Similar target customer (individuals, autónomos, SMBs) and direct overlap in offering mix, though typically with broader national footprint.

Broad incumbents

• Shurgard Self Storage: Pan-European self-storage operator (publicly listed) with hundreds of facilities across multiple countries. Comparable core offering (standard and climate-controlled units, 24/7 access), though broader geographic footprint and more sophisticated digital platform than Calem.
• Safestore: UK-listed self-storage group and one of the largest operators in Europe. Comparable in core offering (self-storage units to individuals and businesses) but operates at significantly larger scale with institutional ownership and national brand recognition.
• Big Yellow Group: UK-listed self-storage operator with national network of facilities. Comparable offering (self-storage units with security, flexible terms) but operates at institutional scale with publicly disclosed financials and broader geographic reach.
• Public Storage: Largest self-storage REIT in the US with thousands of facilities. Same core business model (renting self-storage units to individuals and businesses on monthly terms) but at vastly greater scale, publicly listed, and serving a different geographic market.
• Extra Space Storage: Major US self-storage REIT with thousands of facilities. Operates the same core self-storage rental model to individuals and businesses with monthly recurring billing, but at institutional scale in a different geography.
• CubeSmart: US self-storage REIT with a large national network. Offers the same unit-rental model to consumers and businesses with similar security and access features, though at much larger scale and on the other side of the Atlantic.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/CALEM-Trasteros
• LinkedInlinkedin.com/company/calem-trasteros-sevilla

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 Calem