Which production company whose employee and founder founded M1 and founded M2 was a British film editor 's employer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.production_company .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x0 ns:organization.organization.founders ?x1 .
?x1 ns:organization.organization_founder.organizations_founded M1 .
?x1 ns:organization.organization_founder.organizations_founded M2 .
?x2 a ns:film.editor .
?x2 ns:people.person.nationality ns:m.07ssc
}