Sustainable Bio-Digester Systems for Homes & Institutions in Africa

Replace septic tanks with smarter sanitation solutions. Save money, reduce waste, and protect the environment — Trusted by families, builders, and institutions across Africa.

What We Do

From compact Biofil toilets to large-scale rainwater systems, we deliver customized sanitation infrastructure designed for African climates

We specialize in state-of-the-art Bio Digester systems, transforming organic waste into eco-friendly compost

We recycle wastewater for irrigation or safe discharge. Ideal for hotels, hospitals, and industries

We construct off-grid sanitation solutions for remote sites, schools, and events.

We have durable, leak-proof water and waste storage solutions for residential and commercial needs.

Prevent sewer blockages with our commercial-grade grease traps. Designed for restaurants, hotels, and food processors, our systems separate fats/oils efficiently

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Why Choose Us?

African-engineered sanitation solutions backed by 6+ years of expertise and a 2-year guarantee on products.

Sustainability

E.F Anno is here to stay. We are one of the leading local industries in Ghana, making steady progress into international markets by providing eco‑friendly, long‑lasting sanitation solutions.

Strategy

Our team of skilled and dedicated professionals is committed to delivering the very best sanitation solutions for our valued clients.

Integrity

We believe in transparency, honesty, and fairness in all our dealings. Our commitment to integrity ensures that clients can always trust us to deliver on our promises.

Safety

We prioritize the health and safety of our clients, staff, and the communities we serve. Every project is executed with strict adherence to safety standards and environmental guidelines.

Reliability

Over the years, we have built a reputation for reliability by consistently delivering quality work on time and within budget. Our clients know they can depend on us for sustainable solutions.

Our Clients & Partners

We’re trusted by families, businesses, and institutions across Africa — here are some of the organizations we’ve worked with.

Testimonials

My number one choice always!
They installed a bio-digester for my home some years ago and it was the best investment I made.
💯 different from all the other companies claiming to be professionals in the field, EF gave me an impeccable service and I haven’t had any issues since the installation.
I highly recommend their services due to free consultation and site visits, professionalism, ability to explain things and swift manner of providing service.
They’re cost-effective compared to other prices and the ORIGINAL masters of bio-digester and biofil toilets.
10/10 service delivery!
Klenam Kay
21:59 04 Jul 22
This company has the technical expertise and a very dedicated staff who delivers the best design,precast and installations.
Their after installation/sales service is topnotch.
They are trust worthy of domestic and industrial plumbing and sanitary systems works.
King Xcel
14:28 04 Jul 22
I have always been looking for a good and reliable person for my plumbing works until I found Anno engineering, pls guys his so save to do business with them all time I recommend them. They keep to time and charge moderate
Francis Ennuson
13:41 04 Jul 22
Great Engineering Firm who understands and gives out best plumbing Services solution in maintaining good environment and peaceful home. Using your services has been unfortunatable experience because you gave our company quality service.
JOSEPH ASAASE
06:53 07 May 22
E. F. Anno Engineering & Plumbing Company Ltd is an incredible company. They deliver excellent services. They are reliable. The experience I had with them is that, they keep to their promises.

Free Site Visit for Clients in Accra

Book a complimentary site assessment – our team will identify the most efficient, cost-effective sanitation solution for your space.