Agencies A-Z

A directory of Christian organisations which are involved in mission activity around the world.

  • Oasis

    Oasis has been pioneering life-transforming housing, healthcare, education and youth work initiatives across the globe for over twenty years. We work in 11 countries and offer volunteering opportunities from 2 weeks to several years.
    Tel: 020 7921 4200
  • Oasis Global

    Oasis considers belief and behaviour integral. We aim to live out what we believe, inspired by the life, message and example of Jesus Christ through whom God's unconditional love for all people is expressed.
  • Oaza

    Oaza is a Romanian non-profit organisation established in 1995 by Laura Andres, a Romanian citizen, to meet the needs of street children in Romania.
    Tel: 01736806462
  • Oddments Theatre Company

    Oddments is a full-time Christian Theatre Company whose aim is to produce quality, entertaining and thought provoking drama to prisons, schools and churches across Southern England.
  • OM Ships

    Bring knowledge, help and hope to the people of the world. We do this by supplying vital literature resources, encouraging cross-cultural understanding, training young people for more effective life and service, providing needed relief, and hope.
    Tel: + 49 (0) 6261 9263 0
  • OMF International UK

    Involved in evangelism in East Asia, OMF exists to share the good news of Jesus in all its fullness with East Asia's people to the glory of God.
    Tel: 01732 887299
  • On The Box Mission

    On The Box Mission is a Christian charity which is currently focused on supporting small projects in the developing world.
    Tel: 01243781662
  • One Challenge International UK

    One Challenge is an inter-denominational, international, Christian faith mission sending agency. OC empowers local church ministry in more than 100 countries around the world. 
    Tel: 01903 207 791
  • One Mission Society

    OMS exists to reach the nations for Christ through evangelism, church-planting and training. OMS is an international, evangelical, non-denominational mission, working in co-operation with national churches in over 70 countries around the world.
  • One Way Jesus Ministries

    We are missionary unit who spread the gospel wherever God sends us. We also train the local churches to be able to do the same. If you would like to join us then please feel free to contact us.
    Tel: 0333 303 4305
  • One-Eighty

    One-Eighty exists to engage excluded and vulnerable children and young people (aged 4-16) with a positive learning experience through working on patterns of thinking, behaviours and emotions that hinder learning
    Tel: 01865 236869
  • Open Air Campaigners

    OAC Ministries consists of a group of evangelists committed to effectively sharing the good news about the love of God in creative ways by 'Presenting Christ By All Means Everywhere'.
    Tel: 07779 048823
  • Open Arms International

    Open Arms International’s vision combines Christian ministry and medical care to deliver the powerful healing touch of God. Join us on one of our short-term outreach trips to Africa to serve the poor and be the hands and feet of Jesus.
    Tel: 0845 402 5898
  • Open Bible Trust

    The Open Bible Trust is a non-denominational Christian Charity whose Mission Statement is: "to help others come to a saving knowledge of the Lord Jesus Christ and to further their faith by all means.
    Tel: 01491 671357
  • Open Doors Hull

    Welcoming and helping destitute asylum seekers, refugees and migrants workers.
    Tel: 01482 345132
  • Open Doors International

    Open Doors is an international ministry serving persecuted Christians and churches worldwide. We supply Bibles, leadership training, literacy programmes, livelihood support and advocacy services.
    Tel: 01993 777640
  • Open Ears

    OPEN EARS is a non-denominational Christian charity for people who have various degrees of impaired hearing, mainly (but not exclusively) those who communicate orally, assisted by hearing-aids and lip-reading.
    Tel: 07396 236214
  • Open Homes

    A charity that aims to provide accommodation for 16-25 year olds who are homeless or living in inappropriate accommodation. Our main project currently is Nottingham Nightstop, which provides emergency accommodation in the homes of trained volunteer hosts.
    Tel: 0115 958 2976
  • Operation Agri BMM

    Operation Agri is a Baptist development charity which supports Christian-led rural and urban development projects in three continents, showing the love of Jesus in action.
    Tel: 020 8803 0113
  • Operation Mobilisation

    Established in 1957 by visionary, George Verwer, OM is a dynamic, international Christian missions movement. In the OM family of ministries, we have 6,100 workers representing over 113 nations in more than 110 countries and in world port communities.
    Tel: 01691 773388
  • Operation Orphan

    To improve the quality of life for orphans and vulnerable children in a holistic, culturally relevant and sustainable way.
    Tel: 084321 6 3838
  • Operation WellFound

    Operation Wellfound is a young progressive charity whose aim is to make a difference by bringing clean fresh water and sanitation to communities in need. We are currently working in Senegal, Guinea Bissau, and Kenya.
    Tel: 020 7998 7376
  • Opportunity International

    Opportunity International is working to end global poverty by creating/sustaining 20 million jobs by 2020. 
    Tel: 01865 725304
  • Orphaids UK

    Orphaids UK is a Christian charity working with AIDS orphans in Ecuador and Colombia.
    Tel: 01580 860765