diff --git a/db/migrate/20140402033428_add_foreign_keys.rb b/db/migrate/20140402033428_add_foreign_keys.rb
index f072127158..fce1ffd009 100644
--- a/db/migrate/20140402033428_add_foreign_keys.rb
+++ b/db/migrate/20140402033428_add_foreign_keys.rb
@@ -32,6 +32,11 @@ class AddForeignKeys < ActiveRecord::Migration
     say "Destroying #{orphaned_exchange_variants.count} orphaned ExchangeVariants (of total #{ExchangeVariant.count})"
     orphaned_exchange_variants.destroy_all
 
+    # Remove orphaned ExchangeFee records
+    orphaned_exchange_fees = ExchangeFee.joins('LEFT OUTER JOIN enterprise_fees ON enterprise_fees.id=exchange_fees.enterprise_fee_id').where('enterprise_fees.id IS NULL')
+    say "Destroying #{orphaned_exchange_fees.count} orphaned ExchangeFees (of total #{ExchangeFee.count})"
+    orphaned_exchange_fees.destroy_all
+
     # Remove orphaned Spree::InventoryUnits
     orphaned_inventory_units = Spree::InventoryUnit.joins('LEFT OUTER JOIN spree_variants ON spree_variants.id=spree_inventory_units.variant_id').where('spree_variants.id IS NULL')
     say "Destroying #{orphaned_inventory_units.count} orphaned InventoryUnits (of total #{Spree::InventoryUnit.count})"
diff --git a/lib/tasks/users.rake b/lib/tasks/users.rake
new file mode 100644
index 0000000000..323c679fb0
--- /dev/null
+++ b/lib/tasks/users.rake
@@ -0,0 +1,86 @@
+require 'csv'
+
+namespace :openfoodnetwork do
+
+  namespace :dev do
+    desc 'export users to CSV'
+    task export_users: :environment do
+      CSV.open('db/users.csv', 'wb') do |csv|
+        csv << header
+        users.each do |user|
+          csv << row(user)
+        end
+      end
+    end
+
+
+    desc 'import users from CSV'
+    task import_users: :environment do
+      ActionMailer::Base.delivery_method = :test
+
+      CSV.foreach('db/users.csv') do |row|
+        next if row[0] == 'encrypted_password'
+
+        create_user_from row
+      end
+    end
+
+
+    private
+
+    def users
+      # Skip some spambot users
+      Spree::User.all.reject { |u| u.email =~ /example.net/ }
+    end
+
+
+    def header
+      ["encrypted_password", "password_salt", "email", "remember_token", "persistence_token", "reset_password_token", "perishable_token", "sign_in_count", "failed_attempts", "last_request_at", "current_sign_in_at", "last_sign_in_at", "current_sign_in_ip", "last_sign_in_ip", "login", "created_at", "updated_at", "authentication_token", "unlock_token", "locked_at", "remember_created_at", "reset_password_sent_at",
+
+       "role_name",
+
+       "ship_address_firstname", "ship_address_lastname", "ship_address_address1", "ship_address_address2", "ship_address_city", "ship_address_zipcode", "ship_address_phone", "ship_address_state", "ship_address_country", "ship_address_created_at", "ship_address_updated_at", "ship_address_company",
+
+       "bill_address_firstname", "bill_address_lastname", "bill_address_address1", "bill_address_address2", "bill_address_city", "bill_address_zipcode", "bill_address_phone", "bill_address_state", "bill_address_country", "bill_address_created_at", "bill_address_updated_at", "bill_address_company",]
+    end
+
+
+    def row(user)
+      sa = user.orders.last.andand.ship_address
+      ba = user.orders.last.andand.bill_address
+
+      [user.encrypted_password, user.password_salt, user.email, user.remember_token, user.persistence_token, user.reset_password_token, user.perishable_token, user.sign_in_count, user.failed_attempts, user.last_request_at, user.current_sign_in_at, user.last_sign_in_at, user.current_sign_in_ip, user.last_sign_in_ip, user.login, user.created_at, user.updated_at, user.authentication_token, user.unlock_token, user.locked_at, user.remember_created_at, user.reset_password_sent_at,
+
+       user.spree_roles.first.andand.name,
+
+       sa.andand.firstname, sa.andand.lastname, sa.andand.address1, sa.andand.address2, sa.andand.city, sa.andand.zipcode, sa.andand.phone, sa.andand.state, sa.andand.country, sa.andand.created_at, sa.andand.updated_at, sa.andand.company,
+
+       ba.andand.firstname, ba.andand.lastname, ba.andand.address1, ba.andand.address2, ba.andand.city, ba.andand.zipcode, ba.andand.phone, ba.andand.state, ba.andand.country, ba.andand.created_at, ba.andand.updated_at, ba.andand.company,]
+    end
+
+
+    def create_user_from(row)
+      user = Spree::User.create!({password: 'changeme123', password_confirmation: 'changeme123', email: row[2], remember_token: row[3], persistence_token: row[4], reset_password_token: row[5], perishable_token: row[6], sign_in_count: row[7], failed_attempts: row[8], last_request_at: row[9], current_sign_in_at: row[10], last_sign_in_at: row[11], current_sign_in_ip: row[12], last_sign_in_ip: row[13], login: row[14], created_at: row[15], updated_at: row[16], authentication_token: row[17], unlock_token: row[18], locked_at: row[19], remember_created_at: row[20], reset_password_sent_at: row[21]}, without_protection: true)
+
+      user.update_column :encrypted_password, row[0]
+      user.update_column :password_salt, row[1]
+
+      # Safer if we don't make new users into admins
+      #role = Spree::Role.find_by_name row[24]
+      #user.spree_roles << role if role
+
+      sa_state = Spree::State.find_by_name row[30]
+      sa_country = Spree::Country.find_by_name row[31]
+      sa = Spree::Address.create!({firstname: row[23], lastname: row[24], address1: row[25], address2: row[26], city: row[27], zipcode: row[28], phone: row[29], state: sa_state, country: sa_country, created_at: row[32], updated_at: row[33], company: row[34]}, without_protection: true)
+      user.update_column :ship_address_id, sa.id
+
+      ba_state = Spree::State.find_by_name row[42]
+      ba_country = Spree::Country.find_by_name row[43]
+      ba = Spree::Address.create!({firstname: row[35], lastname: row[36], address1: row[37], address2: row[38], city: row[39], zipcode: row[40], phone: row[41], state: ba_state, country: ba_country, created_at: row[44], updated_at: row[45], company: row[46]}, without_protection: true)
+      user.update_column :bill_address_id, ba.id
+
+    rescue ActiveRecord::RecordInvalid => e
+      puts "#{row[2]} - #{e.message}"
+    end
+  end
+end